CN103595759A

CN103595759A - Desktop presenting method based on cloud

Info

Publication number: CN103595759A
Application number: CN201310482012.8A
Authority: CN
Inventors: 李建欣; 于伟仁; 宋骐; 孙承根; 吴博
Original assignee: Beihang University
Current assignee: Beihang University
Priority date: 2013-10-15
Filing date: 2013-10-15
Publication date: 2014-02-19
Anticipated expiration: 2033-10-15
Also published as: CN103595759B

Abstract

The invention provides a desktop presenting method based on a cloud. A first terminal sends a first login request to the cloud, wherein the first login request comprises a first user name of a first user corresponding to the first terminal, and a first password; the first terminal sends a first request which is used for indicating presentation of a virtual desktop corresponding to the first user; the cloud queries a prestored mapping relation between user names and virtual desktops according to the first user name to obtain the first virtual desktop corresponding to the first user name, opens the first virtual desktop, and sends a first data stream used for displaying the first virtual desktop to an appointed first projection device and the first terminal; the first terminal sends an instruction used for operating the first virtual desktop to the cloud; the cloud operates the first virtual desktop according to the instruction, and synchronously presents the operation process through the first projection device. According to the desktop presenting method based on the cloud, due to the fact that the virtual desktops are built on the cloud for users, flexibility for presenting the desktops of terminals corresponding to the users is improved.

Description

Desktop presentation method based on high in the clouds

Technical field

The present invention relates to the communication technology, relate in particular to a kind of desktop presentation method based on high in the clouds.

Background technology

In as the actual application scenarios such as classroom, lecture or meeting, targeted customer wants to demonstrate to other users own to personal computer (Personal Computer, be called for short PC) in during the operating process of data or file, targeted customer need to be carried to the PC of oneself in classroom or meeting-place, PC is connected with projector equipment, then can be by projector equipment by targeted customer's PC desktop presentation out.The targeted customer's that other users can go out by this projection PC desktop, sees targeted customer's operating process and data etc.

But in the desktop presentation method of above-mentioned terminal, targeted customer must carry the PC of preserving or being provided with targeted customer self desktop, then could represent by projector equipment targeted customer's PC desktop.In practical application, targeted customer may leave behind PC, or the PC phenomenon such as break down in displaying process, will make like this targeted customer cannot normally carry out the displaying of data, and flexibility is poor.

Summary of the invention

The invention provides a kind of desktop presentation method based on high in the clouds, in order to solve user in prior art, must carry PC, then could by projector equipment, represent the problem of user's PC desktop, to improve the flexibility of displaying.

To achieve these goals, the invention provides a kind of desktop presentation method based on high in the clouds, comprising:

First terminal sends the first logging request to high in the clouds, described the first logging request comprises first user name and the first password of the first user that described first terminal is corresponding;

Described first terminal sends the first request that is used to indicate the virtual desktop of showing described first user to described high in the clouds;

The user name that described high in the clouds prestores according to described first user name inquiry and the mapping relations between virtual desktop, obtain first virtual desktop corresponding with described first user name;

Described the first virtual desktop is opened in described high in the clouds, by for showing that the first data flow of described the first virtual desktop sends to the first projector equipment and the described first terminal of appointment;

Described first terminal sends the instruction for described the first virtual desktop is operated to described high in the clouds;

Described high in the clouds operates described the first virtual desktop according to described instruction, by described the first projector equipment, synchronously shows operating process.

Desktop presentation method based on high in the clouds provided by the invention, first terminal sends the first logging request to high in the clouds, the first logging request comprises first user name and the first password of the first user that described first terminal is corresponding, first terminal sends the first request that is used to indicate the virtual desktop of showing that first user is corresponding to high in the clouds, the high in the clouds user name that inquiry prestores according to first user name and the mapping relations between virtual desktop, obtain first virtual desktop corresponding with first user name, open the first virtual desktop, by for showing that the first data flow of the first virtual desktop sends to the first projector equipment and the first terminal of appointment, first terminal sends the instruction for the first virtual desktop is operated to high in the clouds, high in the clouds operates the first virtual desktop according to instruction, by the first projector equipment, synchronously show operating process.In the present invention, high in the clouds is each user's foundation and the corresponding virtual desktop of PC desktop, and be stored in the dummy node in high in the clouds, when user asks to show the virtual desktop of self, high in the clouds can send to projector equipment by the data flow of user's virtual desktop, overcome user and must carry PC, could represent by projector equipment the problem of PC desktop, the flexibility that has improved desktop presentation.

Accompanying drawing explanation

The schematic diagram of a kind of desktop presentation method based on high in the clouds that Fig. 1 provides for the embodiment of the present invention;

The schematic diagram of the desktop presentation method of the another kind that Fig. 2 provides for the embodiment of the present invention based on high in the clouds;

The schematic diagram of the desktop presentation method of the another kind that Fig. 3 provides for the embodiment of the present invention based on high in the clouds;

The schematic diagram of the desktop presentation method of the another kind that Fig. 4 provides for the embodiment of the present invention based on high in the clouds;

The schematic diagram of the desktop presentation method of the another kind that Fig. 5 provides for the embodiment of the present invention based on high in the clouds;

The structural representation of a kind of desktop presentation system based on high in the clouds that Fig. 6 provides for the embodiment of the present invention.

Embodiment

Below by drawings and Examples, technical scheme of the present invention is described in further detail.

The schematic diagram of a kind of desktop presentation method based on high in the clouds that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, should the desktop presentation method based on high in the clouds comprise the following steps:

101, first terminal sends the first logging request to high in the clouds, and described the first logging request comprises first user name and the first password of the first user that described first terminal is corresponding.

First, the first user that first terminal is corresponding can create first user name and first password beyond the clouds, by first user name and first password, to high in the clouds, registers, and becomes the validated user in high in the clouds.After registration, first virtual desktop corresponding with this first user name can be set up for first user in high in the clouds beyond the clouds, and high in the clouds can be stored in the first virtual desktop in the dummy node in high in the clouds.Need explanation herein, first terminal can be mobile phone, personal digital assistant's (Personal Digital Assistant is called for short PDA), PC etc.The terminal of using while first user being logined to high in the clouds in the present embodiment is called first terminal, and first user can not logined high in the clouds by different first terminals in the same time.

First user is shown or during the first virtual desktop beyond the clouds of projection self, can to high in the clouds, send by first terminal the first logging request to other users wanting.The first logging request is carried first user name and the first password that this first user is registered beyond the clouds.In the present embodiment, the client in login high in the clouds can be installed on first terminal, first terminal sends the first logging request to high in the clouds by client.

For guarantee the fail safe of network, after receiving the first logging request, high in the clouds can be according to the user name prestoring and password the authenticating identity to first user, by after authentication, just first user can sign in to high in the clouds.

102, described first terminal sends the first request that is used to indicate the first virtual desktop of showing described first user to described high in the clouds.

Sign in to behind high in the clouds, first terminal can send the first request to high in the clouds, and wherein, the first request is used to indicate the virtual desktop of showing first user.Alternatively, portal website beyond the clouds or be installed on first terminal for logining menu or the OptionButton that is provided for showing virtual desktop in the client in high in the clouds, first terminal, by clicking menu or OptionButton, sends the first request to high in the clouds.

103, the user name that described high in the clouds prestores according to described first user name inquiry and the mapping relations between virtual desktop, obtain first virtual desktop corresponding with described first user name.

In the present embodiment, the mapping relations that high in the clouds is pre-stored between user name and virtual desktop, after receiving the first request, the mapping relations between this user name and virtual desktop are inquired about according to first user name in high in the clouds, obtain first virtual desktop corresponding with first user name.In the present embodiment, virtual desktop is all stored in the dummy node of disposing in high in the clouds, high in the clouds is actual, and what get is the sign of the first virtual desktop, then the first virtual desktop sign is sent to dummy node, by being arranged on the software of opening of dummy node, opens the first virtual desktop.

Alternatively, if the relation of first user name that first terminal is pre-stored and the first virtual desktop sign, just can in the first request, carry the first virtual desktop sign, high in the clouds receives the first request, can get the first virtual desktop sign and send to dummy node, so that dummy node is opened the first virtual desktop.

104, described the first virtual desktop is opened in described high in the clouds, by for showing that the first data flow of described the first virtual desktop sends to the first projector equipment and the described first terminal of appointment.

Open after the first virtual desktop in high in the clouds, the first data flow for showing corresponding to the first virtual desktop is sent to the first projector equipment of the appointment being connected with high in the clouds.After receiving the first data flow, the first projector equipment can be shown or projection goes out this first virtual desktop.Alternatively, high in the clouds can select a projector equipment as the first projector equipment from least one projector equipment being connected with high in the clouds, the data flow of the first virtual desktop is sent to this first projector equipment, or high in the clouds can be by the sign of at least one projector equipment being connected with high in the clouds, mode with list is handed down to first terminal, first user sends to high in the clouds by first terminal by the sign that selects the first projector equipment, so that the first projector equipment of choosing is learnt in high in the clouds, high in the clouds is according to the sign of the first projector equipment, the first data flow is sent to this first projector equipment.The first projector equipment the first virtual desktop is shown or projection after, other users just can see this first virtual desktop.

When sending the first data flow to the first projector equipment, first terminal can also be handed down to by the first data flow of the first virtual desktop in high in the clouds, first terminal receives after the first data flow, can the first virtual desktop be showed to first user by display interface.

Alternatively, high in the clouds, before the first data flow is issued, need to be compressed and encode the first data flow, to improve the first data stream transmitting efficiency.Because the first data flow is encoded and compresses in transmitting procedure, first terminal and the first projector equipment receive after the first data flow, need to adopt corresponding decoding and decompression algorithm, and the first data flow is processed.

105, described first terminal sends the instruction for described the first virtual desktop is operated to described high in the clouds.

First user can be according to the demand of oneself, display interface by first terminal operates the first virtual desktop, now, first terminal can send to high in the clouds the order for the first virtual desktop is operated, for example, when first user wants to open certain application of target virtual desktop or file, can send to high in the clouds corresponding instruction.

106, described high in the clouds operates described the first virtual desktop according to described instruction, by described the first projector equipment, synchronously shows operating process.

Receiving for after to the instruction operating of the first virtual desktop, high in the clouds operates the first virtual desktop accordingly according to this instruction, in the present embodiment, high in the clouds also can, by the operating process to the first virtual desktop, synchronously show other users by the first projector equipment.

For example, class hour on classroom, if teacher leaves behind the PC of oneself, teacher uses user name and the login password of registration beyond the clouds, sends logging request and the first request by mobile phone to high in the clouds.After teacher's virtual desktop is opened in high in the clouds, be issued on the projecting apparatus in mobile phone and classroom, place, by projecting apparatus, to student, show teacher's oneself virtual desktop.Teacher can send the instruction that the virtual desktop of oneself is operated to high in the clouds by mobile phone, high in the clouds operates virtual desktop according to instruction, and can, by the operating process to virtual desktop, by projector equipment, synchronously show student.

The desktop presentation method based on high in the clouds that the present embodiment provides, first terminal sends the first logging request to high in the clouds, first terminal sends the first request that is used to indicate the first virtual desktop of showing first user to high in the clouds, the high in the clouds user name that inquiry prestores according to first user name and the mapping relations between virtual desktop, obtain first virtual desktop corresponding with first user name, open the first virtual desktop, by for showing that the first data flow of the first virtual desktop sends to the first projector equipment and the first terminal of appointment, first terminal sends the instruction for the first virtual desktop is operated to high in the clouds, high in the clouds operates the first virtual desktop according to instruction, by the first projector equipment, synchronously show operating process.In the present invention, high in the clouds is each user's foundation and the corresponding virtual desktop of PC desktop, and be stored in the dummy node in high in the clouds, when user asks to show the virtual desktop of self, high in the clouds can send to the projector equipment of choosing to show the data flow of user's virtual desktop, overcome the PC that user must carry storage or self desktop is set, could represent by projector equipment the problem of user's PC desktop, the flexibility that has improved the desktop presentation of terminal.

The schematic diagram of the desktop presentation method of the another kind that Fig. 2 provides for the embodiment of the present invention based on high in the clouds.As shown in Figure 2, should the desktop presentation method based on high in the clouds comprise:

201, first terminal sends the first logging request to high in the clouds, and described the first logging request comprises first user name and the first password of the first user that described first terminal is corresponding.

202, described first terminal sends the first request that is used to indicate the first virtual desktop of showing described first user to described high in the clouds.

203, the user name that described high in the clouds prestores according to described first user name inquiry and the mapping relations between virtual desktop, obtain first virtual desktop corresponding with described first user name.

204, described the first virtual desktop is opened in described high in the clouds, by for showing that the first data flow of described the first virtual desktop sends to the first projector equipment and the described first terminal of appointment.

The content that step 201～step 204 can be recorded referring to step 101～104 in above-described embodiment repeats no more herein.

205, the second terminal sends the second logging request to described high in the clouds, and described the second logging request comprises the second user's that described the second terminal is corresponding the second user name and the second password.

The process in the second terminal login high in the clouds can, referring to the process of first terminal login in above-mentioned steps 101, repeat no more herein.

206, described the second terminal sends the second request that is used to indicate the second virtual desktop of showing the second user to described high in the clouds.

At the first projector equipment, show in the process of virtual desktop of first user, the second user corresponding to the second terminal can send to high in the clouds the second request, this second request is used to indicate the second virtual desktop of showing the second user, and this second virtual desktop is corresponding with the second user name.

207, described high in the clouds judges whether the second projector equipment of appointment is described the first projector equipment.

After receiving the second request, high in the clouds can be chosen one as the second projector equipment from the projector equipment being connected with high in the clouds, or the sign of all projector equipments is sent to the second terminal with the form of list, so that the second terminal specifies a projector equipment as the second projector equipment.High in the clouds judges whether the second projector equipment of appointment is the first projector equipment, if judgment result is that to be, perform step 208, if the determination result is NO, the second virtual desktop of the second user is opened in high in the clouds, data flow corresponding to the second virtual desktop is sent to the second projector equipment of appointment.

208, the authority that described high in the clouds judges described first user whether lower than or equal described the second user's authority.

In the present embodiment, in advance the end packet of registration is beyond the clouds become to different user's groups, and for each user's group, authority information is set, according to the authority information of user's group, can judge the authority height that user organizes.Wherein, the terminal comprising under each user's group has identical authority.For saving resource, can go up beyond the clouds the authority information of each user group is pre-stored, the authority information that user can be organized is particularly stored in high in the clouds in the mode of list.

Particularly, high in the clouds is according to first user name and the second user name, obtain respectively the affiliated user's group of first user and the second user, if the authority of the user's group under first user is higher than the authority of the user's group under the second user, illustrate that the authority of first user is higher than the second user's authority, now, high in the clouds can not directly be shown or projection the second virtual desktop, need to perform step 209.If if the authority of the user group under first user lower than or equal the user's group under the second user, the authority that first user be described lower than or equal the second user's authority, now, high in the clouds performs step 211.

209, described high in the clouds sends described first terminal by described the second request.

If judge the authority of first user higher than the second user's authority, high in the clouds needs to receive the second request and sends to first terminal.Particularly, first user is logined high in the clouds by first terminal, and the address information of first terminal can be learnt in high in the clouds, as Internet protocol (Internet Protocol is called for short IP) address, according to the IP address of first terminal, to first terminal, forwards the second request.

210, described first terminal, when allowing to show described the second virtual desktop, sends and allows response message to described high in the clouds.

First terminal inquires by display interface whether first user allows to show the second virtual desktop, if first user allows to show the second virtual desktop, by first terminal, is sent allowed response message to high in the clouds.

211, described the second virtual desktop is opened in described high in the clouds, by for showing that the second data flow of described the second virtual desktop sends to described the first projector equipment.

Allow after response message receiving, the second virtual desktop is opened in high in the clouds, by for showing that the second data flow of described the second virtual desktop sends to the first projector equipment that shows the first virtual desktop.The process of the second virtual desktop is opened in high in the clouds, can referring to high in the clouds, open the process of the first virtual desktop, repeats no more herein.

In the present embodiment, if the authority of judging first user lower than or equal the second user's authority, the second virtual desktop can be directly opened in high in the clouds, the second data flow is sent to the first projector equipment that shows the first virtual desktop.

In the present embodiment; the first projector equipment can be shown the first virtual desktop and the second virtual desktop by subfield; or the first projector equipment suspends or cuts out the first data flow reception and show, then receives the second data flow the second virtual desktop is shown.

For example, teacher A shows in the virtual desktop process of self at classroom A, teacher B can send by high in the clouds the request of showing teacher B self virtual desktop to teacher A, if the authority of teacher B higher than or equal teacher A, high in the clouds is switched to the virtual desktop of the teacher A of the current displaying of projecting apparatus the virtual desktop of teacher B, if the authority of teacher B is lower than the authority of teacher A, teacher A need to be inquired in high in the clouds, after obtaining teacher A license, high in the clouds just can be switched to the virtual desktop of the teacher A of the current displaying of projecting apparatus the virtual desktop of teacher B or the virtual desktop of teacher A and teacher B be carried out to subfield displaying on projecting apparatus.

The embodiment of the present invention provide based on high in the clouds desktop presentation method, at the first projector equipment, show in the process of the first virtual desktop, if the second terminal is shown the second virtual desktop of the second user to high in the clouds application in the first projection on equipment, high in the clouds, according to the authority of first user and the second user's authority, determines whether the second data flow to send to the first projector equipment.If the authority of first user with higher than the second user's authority, after the permission that obtains first user, the second virtual desktop can be opened in high in the clouds, sends to the first projector equipment to show the second data flow; If the authority of first user lower than or while equaling the second user's authority, the second virtual desktop can directly will be opened in high in the clouds, sends to the first projector equipment to show the second data flow.The present embodiment has been realized user and having been shown in the process of self virtual desktop, other users can high in the clouds application by showing the virtual desktop of Picture switch to other users, realized better the utilization of resource, and improved the flexibility of desktop presentation.

The schematic diagram of the desktop presentation method of the another kind that Fig. 3 provides for the embodiment of the present invention based on high in the clouds, as shown in Figure 3, should the desktop presentation method based on high in the clouds comprise the following steps:

301, first terminal sends the first logging request to high in the clouds, and described the first logging request comprises first user name and the first password of the first user that described first terminal is corresponding.

302, described first terminal sends the first request that is used to indicate the first virtual desktop of showing described first user name correspondence to described high in the clouds.

303, the user name that described high in the clouds prestores according to described first user name inquiry and the mapping relations between virtual desktop, obtain first virtual desktop corresponding with described first user name.

304, described the first virtual desktop is opened in described high in the clouds, by for showing that the first data flow of described the first virtual desktop sends to the first projector equipment and described first terminal.

The content that step 301～step 304 can be recorded referring to step 101～104 in above-described embodiment repeats no more herein.

305, described first terminal sends for asking to share first of described the first virtual desktop and shares request to described high in the clouds, and described first shares the user name that request comprises at least one the first sharing users.

At the first projector equipment, show in the process of the first virtual desktop, first user can also be sent for asking to share first of the first virtual desktop and share request to high in the clouds by first terminal.Particularly, first user is selected at least one first sharing users by first terminal, user name corresponding to the first sharing users is carried to first and shares and in request, send high in the clouds.Need explanation herein, the first shared terminal can comprise the second terminal in above-described embodiment.

306, the authority that described high in the clouds judges described first user whether higher than or equal the authority of described the first sharing users.

The authority that high in the clouds judges first user whether higher than or equal the process of the authority of the first sharing users, can, referring to the record of related content in step 208 in above-described embodiment, repeat no more herein.If judge the authority of first user lower than the authority of the first sharing users, high in the clouds execution step 307.If the authority of judging first user higher than or equal the authority of the first sharing users, high in the clouds execution step 309.

307, described high in the clouds sends and shares inquiry request to the first shared terminal corresponding to described the first sharing users.

High in the clouds, to the first shared terminal corresponding to the first sharing users, sends and shares inquiry request, to inquire whether the first sharing users shares the first virtual desktop.Particularly, the first sharing users is by the first shared terminal login high in the clouds, and the IP address of the first shared terminal can be learnt in high in the clouds, according to the IP address of the first shared terminal, to the first shared terminal, sends and shares inquiry request.

308, described high in the clouds receives the permission response message that described the first shared terminal sends when allowing to share described the first virtual desktop.

The first shared terminal inquires by display interface whether the first sharing users allows to share the first virtual desktop, if the first sharing users allows to share the first virtual desktop, by the first shared terminal, is sent allowed response message to high in the clouds.

309, described high in the clouds sends to described the first shared terminal by described the first data flow.

After receiving permission response message, high in the clouds sends to the first shared terminal by the first data flow, and such the first shared terminal can be shown the first virtual desktop to the first sharing users by display interface.Further, the first shared terminal can also send to the projector equipment being connected with the first shared terminal by the first data flow, by this projector equipment, the first virtual desktop is shown or projection.

In the present embodiment, if the authority of judging first user in step 306 higher than or equal the authority of the first sharing users, high in the clouds can directly send to the first shared terminal by the first data flow.

For example, in classroom, teacher A is in the process of teaching, to high in the clouds, applied for the virtual desktop of teacher A, some student may cannot come classroom to listen to the teacher for some reason, now, teacher A can send and share request to high in the clouds, and the student's that cannot attend class user name is carried to be shared in request, the authority of teacher A is higher than student's authority beyond the clouds, and high in the clouds will send data flow corresponding to the virtual desktop of teacher A to be given on student's mobile phone like this.

The embodiment of the present invention provide based on high in the clouds desktop presentation method, at the first projector equipment, show in the process of the first virtual desktop, first terminal is shared with other users to high in the clouds application by the first virtual desktop, if the authority of first user higher than or equal other users' authority, high in the clouds can directly send to the first data flow terminal corresponding to other users of choosing; If the authority of first user is lower than other users' that choose authority, high in the clouds, after the license that obtains other users, can send to other users by the first data flow.The present embodiment not only can represent the first virtual desktop, the first virtual desktop can also be shared with to other users, is conducive to sharing and using of resource.

Alternatively, the another kind of implementation that first user is shared the first virtual desktop to other users is: the user name that can carry other users that choose in the first request sending to high in the clouds at first user, wherein, other users are the first sharing users, user's user name corresponding to the first sharing users by name of other users.High in the clouds can be according to the authority of first user and other users' authority, when issuing the first data flow to first terminal, by the first data flow be handed down to authority in other users lower than or equal the user of the authority of first user.For authority in other users, higher than the user of the authority of first user, the user that these authorities are high can be inquired in high in the clouds, after being permitted, the first data flow is sent to the user that authority is high.

The schematic diagram of the desktop presentation method in the another kind of high in the clouds that Fig. 4 provides for the embodiment of the present invention, as shown in Figure 4, should the desktop presentation method based on high in the clouds comprise the following steps:

401, first terminal sends the first logging request to high in the clouds, and described the first logging request comprises first user name and the first password of the first user that described first terminal is corresponding.

402, described first terminal sends the first request that is used to indicate the first virtual desktop of showing described first user name correspondence to described high in the clouds.

403, the user name that described high in the clouds prestores according to described first user name inquiry and the mapping relations between virtual desktop, obtain first virtual desktop corresponding with described first user name.

404, described the first virtual desktop is opened in described high in the clouds, by for showing that the first data flow of described the first virtual desktop sends to the first projector equipment and described first terminal.

The content that step 401～step 404 can be recorded referring to step 101～104 in above-described embodiment repeats no more herein.

405, described first terminal sends the request of obtaining for obtaining the 3rd virtual desktop corresponding to the 3rd user to described high in the clouds, described in the request of obtaining comprise user name corresponding to described the 3rd user.

At the first projector equipment, show that in the process of virtual desktop of first user, first terminal can send to high in the clouds the request of obtaining, this request of obtaining comprises user name corresponding to the 3rd user, and this request of obtaining is for obtaining the 3rd virtual desktop corresponding to the 3rd user.Need explanation herein, the 3rd user does not specifically refer to specific user, can be in the second user in above-described embodiment or the first sharing users.

406, the authority that described high in the clouds judges described first user whether higher than or equal the 3rd user's authority.

The authority that high in the clouds judges first user whether higher than or equal the process of the 3rd user's authority, can, referring to the record of related content in step 208 in above-described embodiment, repeat no more herein.If judge the authority of first user lower than the 3rd user's authority, high in the clouds execution step 407.If the authority of judging first user higher than or equal the 3rd user's authority, high in the clouds execution step 409.

407, described high in the clouds obtains inquiry request described in sending to third terminal corresponding to described the 3rd user.

High in the clouds sends to third terminal corresponding to the 3rd user by obtaining inquiry request, to inquire the 3rd user whether first user obtains the 3rd virtual desktop of self.Particularly, the 3rd user uses the 3rd user's user name login high in the clouds by third terminal, and the IP address of third terminal can be learnt according to the 3rd user's user name in high in the clouds, then according to the IP address of third terminal, to third terminal, sends the inquiry request of obtaining.

408, described high in the clouds receives the permission response message that described third terminal sends when allowing described first terminal to obtain described the 3rd virtual desktop.

Third terminal inquires by display interface whether the 3rd user allows to share the first virtual desktop, if the 3rd user allows first user to obtain the 3rd virtual desktop, by third terminal, is sent allowed response message to high in the clouds.

409, described the 3rd virtual desktop is opened in described high in the clouds, and the data flow of described the 3rd virtual desktop is sent to described the first projector equipment.

Allow after response message receiving, the 3rd virtual desktop is opened in high in the clouds, by for showing that the 3rd data flow of described the 3rd virtual desktop sends to the first projector equipment that shows the first virtual desktop.The process of the 3rd virtual desktop is opened in high in the clouds, can referring to high in the clouds, open the process of the first virtual desktop, repeats no more herein.

In the present embodiment, if judge the authority of first user lower than the 3rd user's authority, the 3rd virtual desktop can be directly opened in high in the clouds, the 3rd data flow is sent to the first projector equipment that shows the first virtual desktop.

For example, teacher A shows in the virtual desktop process of self at classroom A, can obtain to high in the clouds application the virtual desktop of teacher B, if the authority of teacher B lower than or equal the authority of teacher A, high in the clouds can directly be switched to the virtual desktop of the teacher A of the current displaying of projecting apparatus the virtual desktop of teacher B, if the authority of teacher B is higher than the authority of teacher A, teacher A need to be inquired in high in the clouds, after obtaining teacher B license, high in the clouds just can be switched to the virtual desktop of the teacher A of the current displaying of projecting apparatus the virtual desktop of teacher B.

The embodiment of the present invention provide based on high in the clouds desktop presentation method, at the first projector equipment, show in the process of the first virtual desktop, high in the clouds can receive the request of obtaining that first terminal sends, if the authority of first user higher than or equal the 3rd user's authority, the 3rd virtual desktop is opened in high in the clouds, sends to the first projector equipment to show the 3rd data flow; If the authority of first user is during lower than the 3rd user's authority, after obtaining the 3rd user's permission, the 3rd virtual desktop can be opened in high in the clouds, sends to the first projector equipment to show the 3rd data flow.The present embodiment has been realized in showing the process of the first virtual desktop, can be by applying for to high in the clouds, and the virtual desktop by the Picture switch of showing to other users, has realized better the utilization of resource, and has improved the flexibility of desktop presentation.

The desktop that first user is corresponding comprises that the first virtual desktop that first user builds beyond the clouds and the PC desktop of first user are the local desktop of first terminal.The methods of exhibiting of the desktop of the terminal based on high in the clouds that the embodiment of the present invention provides not only can be shown user's virtual desktop, can also show or projection the local desktop of user place terminal.

The schematic diagram of the desktop presentation method in the another kind of high in the clouds that Fig. 5 provides for the embodiment of the present invention, as shown in Figure 5, should the desktop presentation method based on high in the clouds comprise the following steps:

501, first terminal sends the first logging request to high in the clouds, and described the first logging request comprises first user name and the first password of the first user that described first terminal is corresponding.

First user, when wanting the desktop of other users' displayings or projection self, can send by first terminal the first logging request to high in the clouds.The first logging request is carried first user name and the first password that this first user is registered beyond the clouds.In the present embodiment, the client in login high in the clouds can be installed on first terminal, first terminal sends the first logging request to high in the clouds by client.

502, described first terminal sends the 3rd request that is used to indicate the local desktop of showing described first terminal to described high in the clouds.

At first terminal, sign in to behind high in the clouds, can send to high in the clouds the 3rd request, the 3rd request is used to indicate the local desktop of showing described first terminal.Alternatively, be provided for showing menu or the OptionButton of local desktop on can portal website beyond the clouds, first terminal, by clicking menu or OptionButton, sends the 3rd request to high in the clouds.

503, described high in the clouds sends to described first terminal by the sign of at least one projector equipment.

The sign of at least one projector equipment, after receiving the 3rd request, can be returned in high in the clouds to first terminal, for example, the sign of projector equipment can be sent to first terminal with the form of list.

504, described first terminal is chosen target projection equipment, the described target projection equipment of notifying described high in the clouds to choose.

First terminal receives after the sign of the projector equipment returning, and chooses a projector equipment as target projection equipment, and to high in the clouds, returns to a notification message, the target projection equipment that notice high in the clouds first terminal is chosen.Particularly, can in notification message, carry the sign of target projection equipment.Need explanation herein, target projection equipment can be the first projector equipment.

505, described high in the clouds be described first terminal with described target projection equipment between set up network and be connected.

High in the clouds, according to the sign of the IP address of first terminal and target projection equipment, is set up network and is connected between control first terminal and target projection equipment.Now, when first terminal carries out projection or shows to target projection equipment, no longer need on first terminal, insert video transmission standard (Video Graphics Array is called for short VGA) line.By the network of setting up between first terminal and target projection equipment, be connected, be just easy to use target projection equipment and carry out projection or displaying.

506, described first terminal sends to described target projection equipment by the data flow of described local desktop.

After setting up network be connected between first terminal and target projection equipment, first terminal, by the data flow of local desktop, is connected and is sent on target projection equipment by network, and target projection equipment just can be shown the local desktop of first terminal.

507, described first terminal is chosen at least one second sharing users.

At target projection equipment, show that in the process of local desktop of first terminal, first user can also be shared with local desktop other users.Particularly, by first terminal, choose at least one user name as the second sharing users.Wherein, terminal corresponding to the user name of the second sharing users is called the second shared terminal.

508, the authority that described first terminal judges described first user whether higher than or equal the authority of described the second sharing users.

The authority information of pre-stored user's group on first terminal, user name by the second sharing users can find the user's group under the second sharing users, then the authority of the user group under first user and the authority that the user under the second sharing users organizes are compared, the authority that judges first user whether higher than or equal the authority of the second sharing users.If after the authority of the authority of first user lower than the second sharing users, first terminal execution step 509; If the authority of first user higher than or equal the authority of the second sharing users, first terminal execution step 511.

509, described first terminal is shared second of described local desktop to the second shared terminal transmission corresponding to described the second sharing users and is shared request.

510, described first terminal receives the permission response message that described the second shared terminal sends when allowing to share described local desktop.

Particularly, in the present embodiment, under control beyond the clouds, between terminal equipment corresponding to each user, set up network connection.If judge the authority of first user lower than the authority of the second sharing users, first user sends second by first terminal to the second shared terminal and shares request, to inquire whether the second sharing users allows to share the local desktop of first terminal.This second is shared request and is used to indicate and shares the local desktop of first terminal.The authority of only having certain customers in the second sharing users is during higher than first user, and first terminal only need to send second higher than the second sharing users of first user to authority share request.

The second shared terminal inquires by display interface whether the second sharing users allows to share the local desktop of first terminal, if the second sharing users allows to share the local desktop of first terminal, by the second shared terminal, to first terminal, is sent and allows response message.

511, described first terminal sends to described the second shared terminal by the data flow of described local desktop.

First terminal by with the second shared terminal between network be connected, the data flow of local desktop is handed down to the second shared terminal, so that show the local desktop of first terminal at the second shared terminal.

The embodiment of the present invention provide based on high in the clouds desktop presentation method, first user is logined behind high in the clouds by first terminal, can show local desktop to high in the clouds application, now high in the clouds be first terminal with the target projection equipment of choosing between set up network and be connected, no longer on first terminal, plug VGA line and be connected with target projection equipment, first terminal just can be shown or the local desktop of projection by target projection equipment.And in the local desktop of projection, can also share local desktop to other users.If the authority of first user higher than or equal the authority of sharing users, first terminal can directly send to shared terminal by the data flow of local desktop; If the authority of first user is during lower than the authority of sharing users, after the permission that obtains sharing users, first terminal can send to sharing users by the data flow of local desktop.Between the present embodiment first terminal and target projection equipment, setting up network is connected, no longer on first terminal, plug VGA line and just can show local desktop by target projection equipment, improved the flexibility of desktop presentation, and local desktop can also be shared with to other users, realized better the utilization of resource.

Alternatively, the second sharing users can target projection equipment show or the process of the local desktop of projection first user in, the request of sharing of initiatively initiating to share the local desktop of first user to first terminal.Share after request receiving this, whether the authority that first terminal judges first user is higher than the authority of the second sharing users.If the authority of first user lower than or while equaling the authority of the second sharing users, first terminal directly sends to the second shared terminal by the data flow of local desktop; If the authority of first user is during higher than the authority of the second sharing users, first terminal can inquire whether first user allows the second sharing users to share this this locality desktop by display interface, if first user allows the second sharing users to share the local desktop of self, first terminal is handed down to the second shared terminal corresponding to the second sharing users by the data flow of the local desktop of self.

At the present embodiment, between projector equipment and high in the clouds, carry out before transfer of data also comprising: after projector equipment is opened, by HTTP (Hypertext Transport Protocol is called for short HTTP) request, carry out facility registration on beyond the clouds.High in the clouds is added to the information of projector equipment in database, and then projector equipment can be set up and maintain maintenances and is connected with high in the clouds, and this maintenance connection is used for transmission and the malfunction monitoring of the order between projector equipment and high in the clouds.After keeping connection to set up, high in the clouds can change to corresponding projector equipment state available, whenever, the disconnection that this maintenance connects all can cause high in the clouds that projector equipment state is changed to down state.When keeping connection to maintain, if projector equipment receives by this connection the request that the connection picture disply sent in high in the clouds or data flow are shown, projector equipment just can be set up the connection for picture exhibition, the connection of any moment picture exhibition disconnects, and all can cause projector equipment state again to change to upstate.

A kind of desktop presentation system based on high in the clouds that Fig. 6 provides for the embodiment of the present invention.As shown in Figure 6, this system comprises: high in the clouds 61, first terminal 62 and the first projector equipment 63.

The first user of first terminal 62 correspondences can be beyond the clouds 61 creates first user name and first passwords, by first user name and first password, to high in the clouds, 61 registers, and becomes the validated user in high in the clouds 61.After 61 registrations, first virtual desktop corresponding with this first user name can be set up for first user in high in the clouds 61 beyond the clouds, and high in the clouds 61 can be stored in the first virtual desktop in the dummy node in high in the clouds 61.Need explanation herein, first terminal 62 can be mobile phone, PDA, PC etc.The terminal of using while first user being logined to high in the clouds 61 in the present embodiment is called first terminal 62, and first user can not logined high in the clouds 61 by different first terminal 62 in the same time.

First user shows or projection self beyond the clouds during the first virtual desktop of 61 to other users wanting, can to high in the clouds, 61 send the first logging request by first terminal 62.The first logging request is carried this first user first user name and the first password of 61 registrations beyond the clouds.In the present embodiment, the client in login high in the clouds 61 can be installed on first terminal 62, first terminal 62 61 sends logging request by client to high in the clouds.

For guarantee the fail safe of network, after receiving the first logging request, high in the clouds 61 can be according to the user name prestoring and password the authenticating identity to first user, by after authentication, just first user can sign in to high in the clouds 61.

Sign in to behind high in the clouds 61, first terminal 62 can be asked to high in the clouds in 61 transmissions first, and wherein, the first request is used to indicate the virtual desktop of showing first user.Alternatively, be provided for showing beyond the clouds menu or the OptionButton of virtual desktop in 61 portal website, first terminal 62 is by clicking menu or OptionButton, and to high in the clouds, 61 send the first request.

In the present embodiment, the mapping relations that high in the clouds 61 is pre-stored between user name and virtual desktop, after receiving the first request, the mapping relations between this user name and virtual desktop are inquired about according to first user name in high in the clouds 61, obtain first virtual desktop corresponding with first user name.In the present embodiment, virtual desktop is all stored in the dummy node of disposing in high in the clouds, high in the clouds 61 is actual, and what get is the sign of the first virtual desktop, then the first virtual desktop sign is sent to dummy node, by being arranged on the software of opening of dummy node, opens the first virtual desktop.

Alternatively, if the relation of first user name that first terminal 62 is pre-stored and the first virtual desktop sign, just can in the first request, carry the first virtual desktop sign, high in the clouds 61 receives the first request, can get the first virtual desktop sign and send to dummy node, so that dummy node is opened the first virtual desktop.

Open after the first virtual desktop in high in the clouds 61, the first data flow for showing corresponding to the first virtual desktop is sent to the first projector equipment 63 of the appointment being connected with high in the clouds 61.After receiving the first data flow, the first projector equipment 63 can be shown or projection goes out this first virtual desktop.After first 63 pairs of projector equipments the first virtual desktop displaying or projection, other users just can see this first virtual desktop.The process of choosing of the first projector equipment 63, can be referring to the record of related content in above-described embodiment.

When sending the first data flow to the first projector equipment 63, first terminal 62 can also be handed down to by the first data flow of the first virtual desktop in high in the clouds 61, first terminal 62 receives after the first data flow, can the first virtual desktop be showed to first user by display interface.

High in the clouds 62, before the first data flow is issued, need to be compressed and encode the first data flow, to improve the first data stream transmitting efficiency.Because the first data flow is encoded and compresses in transmitting procedure, first terminal 62 and the first projector equipment 63 receive after the first data flow, need to adopt corresponding decoding and decompression algorithm, and the first data flow is processed.

First user can be according to the demand of oneself, display interface by first terminal 62 operates the first virtual desktop, now, first terminal 62 can 61 transmissions be used for the orders that the first virtual desktop is operated to high in the clouds, for example, when first user wants to open certain application of target virtual desktop or file, can the corresponding instruction of 61 transmission to high in the clouds.Receiving for after to the instruction operating of the first virtual desktop, high in the clouds 61 operates the first virtual desktop accordingly according to this instruction, in the present embodiment, high in the clouds 61 also can, by the operating process to the first virtual desktop, synchronously show other users by the first projector equipment 63.

The desktop presentation system based on high in the clouds that the present embodiment provides, first terminal sends the first logging request to high in the clouds, the first logging request comprises first user name and the first password of the first user that described first terminal is corresponding, first terminal sends the first request that is used to indicate the first virtual desktop of showing first user name correspondence to high in the clouds, the first virtual desktop is opened in high in the clouds, by for showing that the first data flow of the first virtual desktop sends to the first projector equipment and first terminal, first terminal sends the instruction for the first virtual desktop is operated to high in the clouds, high in the clouds operates the first virtual desktop according to instruction, by the first projector equipment, synchronously show operating process.In the present invention, high in the clouds is each user's foundation and the corresponding virtual desktop of PC desktop, and be stored in the dummy node in high in the clouds, when user asks to show the virtual desktop of self, high in the clouds can send to the projector equipment of choosing to show the data flow of user's virtual desktop, overcome user and must carry the PC that keeps or stored self desktop, could represent by projector equipment the problem of user's PC desktop, the flexibility that has improved the desktop presentation of terminal.

The desktop presentation system based on high in the clouds that the present embodiment provides also comprises: the second terminal 64, at least one first shared terminal 65, third terminal 66 and at least one the second shared terminal 67.

At the first projector equipment 63, show in the process of virtual desktop of first users, the second user can be by the second corresponding terminal 64 61 transmission second requests to high in the clouds, this second request is used to indicate the virtual desktop of showing the second user, before sending the second request to high in the clouds 61, the second terminal 64 need to be to high in the clouds 61 the second logging request that send, the process in the second terminal 64 login high in the clouds 61 can, referring to the process in above-mentioned first terminal 62 login high in the clouds 61, repeat no more herein.By after the authentication in high in the clouds 61, just can 61 transmissions second ask to high in the clouds.

In the present embodiment, in advance the end packet of 61 registrations is beyond the clouds become to different user's groups, and for each user's group, authority information is set, according to the authority information of user's group, can judge the authority height that user organizes.Wherein, the terminal comprising under each user's group has identical authority.For saving resource, can the authority information of each user group is pre-stored beyond the clouds on 61, the authority information of user's group can be stored in to high in the clouds 61 in the mode of list particularly.

After receiving the second request, high in the clouds 61 gets the process of the second virtual desktop of the second user according to the second user name, can referring to high in the clouds 61, according to first user name, get the process of the first virtual desktop of first user, repeats no more herein.

Further, a projector equipment can be chosen as the second projector equipment in high in the clouds 61 from the projector equipment being connected with high in the clouds 61, or the sign of all projector equipments is sent to the second terminal 64 with the form of list, so that the second terminal 64 is specified the second projector equipments.High in the clouds 61 judges whether the second projector equipment of appointment is the first projector equipment 63, if judgment result is that and be, whether the authority that high in the clouds 61 judges first user is higher than the second user's authority.If the determination result is NO, the second virtual desktop of the second user is opened in high in the clouds 61, data flow corresponding to the second virtual desktop sent to the second projector equipment of appointment. wherein, the process of high in the clouds 61 judgement user right grades, can, referring to the record of related content in above-described embodiment, repeat no more herein.

If judge the authority of first user higher than the second user's authority, high in the clouds 61 needs to receive the second request and sends to first terminal 62.High in the clouds 61 sends the process of the second request to first terminal 62, can, referring to the record of related content in above-described embodiment, repeat no more herein.

First terminal 62 inquires by display interface whether first user allows to show the second virtual desktop, if the second user allows to show the second virtual desktop, by first terminal 62, to high in the clouds, 61 transmissions allow response message.

Allow after response message receiving, the second virtual desktop is opened in high in the clouds 61, by for showing that the second data flow of described the second virtual desktop sends to the first projector equipment 63 that shows the first virtual desktop.The process of the second virtual desktop is opened in high in the clouds 61, can referring to high in the clouds 61, open the process of the first virtual desktop, repeats no more herein.

If the authority of judging first user lower than or equal the second user's authority, the second virtual desktop can be directly opened in high in the clouds 61, the second data flow is sent to the first projector equipment 63 that shows the first virtual desktop.

In the present embodiment; the first projector equipment 63 can be shown the first virtual desktop and the second virtual desktop by subfield; or the first projector equipment 63 suspends or cuts out the first data flow reception and show, then receives the second data flow the second virtual desktop is shown.

The present embodiment has been realized user and having been shown in the process of self virtual desktop, other users can high in the clouds application by showing the virtual desktop of Picture switch to other users, realized better the utilization of resource, further, improved the flexibility of desktop presentation.

Alternatively, at the first projector equipment 63, show in the process of the first virtual desktops, first user can also 61 be sent for asking to share first of the first virtual desktop and shares request to high in the clouds by first terminal 62.Particularly, first user is selected at least one first sharing users by first terminal 62, user name corresponding to the first sharing users is carried to first and shares and in request, send high in the clouds 61.Need explanation herein, the first shared terminal can comprise the second terminal in above-described embodiment.

High in the clouds 61 sends and shares inquiry request to the first shared terminal 65 corresponding to the first sharing users, to inquire whether the first sharing users shares the first virtual desktop.Particularly, the first sharing users is by the first shared terminal 65 login high in the clouds, and the IP address of the first shared terminal 65 can be learnt in high in the clouds 61, according to the IP address of the first shared terminal 65, to the first shared terminal 65, sends and shares inquiry request.

The first shared terminal 65 inquires by display interface whether the first sharing users allows to share the first virtual desktop, if the first sharing users allows to share the first virtual desktop, by the first shared terminal 65, is sent allowed response message to high in the clouds.After receiving permission response message, high in the clouds 61 sends to the first shared terminal 65 by the first data flow, and such the first shared terminal 65 can be shown the first virtual desktop to the first sharing users by display interface.Further, the first shared terminal 65 can also send to the first data flow the projector equipment being connected with the first shared terminal 65, by projector equipment, the first virtual desktop is shown or projection.

In the present embodiment, if the authority of judging first user higher than or equal the authority of the first sharing users, high in the clouds 61 can directly send to the first data flow the first shared terminal 65.

In the present embodiment, at projector equipment, show in the process of the first virtual desktop, first terminal is shared with other users to high in the clouds application by the first virtual desktop, if the authority of first user higher than or equal other users' authority, high in the clouds can directly send to the first data flow terminal corresponding to other users of choosing; If the authority of first user is lower than other users' that choose authority, high in the clouds, after the license that obtains other users, can send to other users by the first data flow.The present embodiment not only can represent the first virtual desktop, the first virtual desktop can also be shared with to other users, is conducive to sharing of resource.

Alternatively, the another kind of implementation that first user is shared the first virtual desktop to other users is: the user name that can carry other users that choose in the first request sending to high in the clouds 61 at first user, wherein, other users are the first sharing users, user's user name corresponding to the first sharing users by name of other users.High in the clouds 61 can be according to the authority of first user and other users' authority, when issuing the first data flow to first terminal, by the first data flow be handed down to authority in other users lower than or equal the user of the authority of first user.For authority in other users, higher than the user of the authority of first user, the user that these authorities are high can be inquired in high in the clouds 61, after being permitted, the first data flow is sent to the user that authority is high.

At the first projector equipment 63, show in the process of virtual desktop of first users, first terminal 62 can 61 transmissions obtain request to high in the clouds, this request of obtaining comprises user name corresponding to the 3rd user, and this request of obtaining is for obtaining the 3rd virtual desktop corresponding to the 3rd user.Need explanation herein, the 3rd user does not specifically refer to specific user, can be in the second user in above-described embodiment or the first sharing users.

After receiving the request of obtaining, the authority that high in the clouds 61 judges first user whether higher than or equal the 3rd user's authority.Whether the authority that high in the clouds 61 judges first user higher than the process of the 3rd user's authority, can, referring to the record of related content in above-described embodiment, repeat no more herein.

If the authority of judging first user higher than or equal the 3rd user's authority, high in the clouds 61 sends to third terminal 66 corresponding to the 3rd user the inquiry request of obtaining.Particularly, third terminal 66IP address is learnt according to the user name of obtaining the 3rd user in request in high in the clouds 61.Because third terminal 66 is used the 3rd user's user name login 61， high in the clouds, high in the clouds 61, can learn the IP address of third terminal according to the 3rd user's user name, then according to the IP address of third terminal 66, to third terminal 66, send the inquiry request of obtaining.

Third terminal 66 inquires by display interface whether the 3rd user allows to share the first virtual desktop, if the 3rd user allows first user to obtain the 3rd virtual desktop, by third terminal 66, to high in the clouds, 61 transmissions allow response message.

Allow after response message receiving, the 3rd virtual desktop is opened in high in the clouds 61, by for showing that the 3rd data flow of described the 3rd virtual desktop sends to the first projector equipment 63 that shows the first virtual desktop.The process of the 3rd virtual desktop is opened in high in the clouds 61, can referring to high in the clouds 61, open the process of the first virtual desktop, repeats no more herein.

In the present embodiment, if judge the authority of first user lower than the 3rd user's authority, the 3rd virtual desktop can be directly opened in high in the clouds 61, the 3rd data flow is sent to the first projector equipment 63 that shows the first virtual desktop.

At projector equipment, show in the process of the first virtual desktop, high in the clouds can receive the request of obtaining that first terminal sends, if the authority of first user higher than or equal the 3rd user's authority, the 3rd virtual desktop is opened in high in the clouds, sends to projector equipment to show the 3rd data flow; If the authority of first user is during lower than the 3rd user's authority, after obtaining the 3rd user's permission, the 3rd virtual desktop can be opened in high in the clouds, sends to projector equipment to show the 3rd data flow.The present embodiment has been realized in showing the process of the first virtual desktop, can the Picture switch of showing be arrived to other users' virtual desktop to high in the clouds application, has realized better the utilization of resource, and has improved the flexibility of desktop presentation.

Alternatively, the desktop that first user is corresponding comprises that the first virtual desktop that first user builds beyond the clouds and the PC desktop of first user are the local desktop of first terminal.The methods of exhibiting of the desktop based on high in the clouds that the embodiment of the present invention provides not only can be shown user's virtual desktop, can also show or projection the local desktop of user place terminal.

First user by first terminal 62 to high in the clouds 61 login families, can be to high in the clouds 61 send the 3rd request, the 3rd request is used to indicate the local desktop of showing described first terminal 62.Alternatively, can be beyond the clouds provided for showing menu or the OptionButton of local desktop in 61 portal website, first terminal 62 is by clicking menu or OptionButton, and to high in the clouds, 61 send the 3rd request.

The sign of at least one projector equipment, after receiving the 3rd request, can be returned in high in the clouds 61 to first terminal 62, for example, the sign of projector equipment is sent to first terminal 62 with the form of list.First terminal 62 receives after the sign of the projector equipment returning, and chooses a projector equipment as target projection equipment 68, and to high in the clouds, returns to a notification message, the target projection equipment 68 that notice high in the clouds first terminal is chosen.Particularly, can in notification message, carry the sign of target projection equipment 68.Need explanation herein, target projection equipment 68 can be the first projector equipment 63.

High in the clouds 61, according to the sign of the IP address of first terminal 62 and target projection equipment 68, is set up network and is connected between first terminal 62 and target projection equipment 68.Now, when first terminal 62 carries out projection or shows to target projection equipment 68, no longer need on first terminal 62, insert VGA line.By the network of setting up between first terminal 62 and target projection equipment 68, be connected, be just easy to use target projection equipment 68 and carry out projection or displaying.

After setting up network be connected between first terminal 62 and target projection equipment 68, first terminal 62 is by the data flow of local desktop, by network, connected and sent on target projection equipment 68, target projection equipment 68 just can be shown the local desktop of first terminal.

At target projection equipment 68, show that in the process of local desktop of first terminals, first user can also be shared with local desktop other users.Particularly, by first terminal 62, choose at least one second sharing users.In the present embodiment, terminal corresponding to the second sharing users is called the second shared terminal 67.

In the present embodiment, the authority information of pre-stored user's group in each terminal.First terminal 62 is after selecting the second sharing users, can can find the user's group under the second sharing users according to the user name of the second sharing users, then the authority of the user group under first user and the authority that the user under the second sharing users organizes are compared, the authority that judges first user whether higher than or equal the authority of the second sharing users.

In the present embodiment, under 61 control, between terminal equipment corresponding to each user, set up network connection beyond the clouds.If judge the authority of first user lower than the authority of the second sharing users, first user sends second by first terminal 62 with the second shared terminal 67 and shares request, to inquire whether the second sharing users allows to share the local desktop of first terminal 62.This second is shared request and is used to indicate and shares the local desktop of first terminal.The authority of only having certain customers in the second sharing users is during higher than first user, and first terminal only need to send second higher than the second sharing users of first user to authority share request.

The second shared terminal 67 inquires by display interface whether the second sharing users allows to share the local desktop of first terminal 62, if the second sharing users allows to share the local desktop of first terminal 62, by the second shared terminal 61, to first terminal 62, send and allow response message.

First terminal 62 by with the second shared terminal 67 between network be connected, the data flow of local desktop is handed down to the second shared terminal 67, so that show the local desktop of first terminal 62 on the second shared terminal 67.

If the authority that first terminal 62 is judged the second sharing users lower than or equal the authority of first user, first terminal 62 is directly handed down to the second shared terminal 67 by the data flow of self local desktop.

In the present embodiment, first user can be shown local desktop to high in the clouds application, high in the clouds be first terminal with target projection equipment 68 between set up network and be connected, need on first terminal, not plug VGA line can be by the local desktop of 68 displayings of target projection equipment or projection first terminal, the flexibility that has improved desktop presentation.And in the local desktop of projection first terminal, first terminal can also be shared local desktop to other users, has realized better the utilization of resource.

Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims

1. the desktop presentation method based on high in the clouds, is characterized in that, comprising:

2. the desktop presentation method based on high in the clouds according to claim 1, it is characterized in that, described the first virtual desktop is opened in described high in the clouds, by for after showing that the first data flow of described the first virtual desktop sends to first projector equipment and described first terminal of appointment, also comprises:

The second terminal sends the second logging request to described high in the clouds, and described the second logging request comprises the second user's that described the second terminal is corresponding the second user name and the second password;

Described the second terminal sends the second request that is used to indicate the virtual desktop of showing the second user to described high in the clouds;

The user name that described high in the clouds prestores according to described the second user name inquiry and the mapping relations between virtual desktop, obtain second virtual desktop corresponding with described the second user name;

Described high in the clouds judges whether the second projector equipment of appointment is described the first projector equipment;

If judgment result is that to be, the authority that described high in the clouds judges described first user whether lower than or equal described the second user's authority;

If the authority that judgment result is that described first user lower than or equal described the second user's authority, described the second virtual desktop is opened in described high in the clouds, and described the second data flow is sent to described the first projector equipment.

3. the desktop presentation method based on high in the clouds according to claim 2, is characterized in that, also comprises:

If described in judgment result is that the authority of described first user is higher than described the second user's authority, described high in the clouds sends described first terminal by described the second request;

Described first terminal, when allowing to show described the second virtual desktop, sends and allows response message to described high in the clouds;

Described the second virtual desktop is opened in described high in the clouds, and described the second data flow is sent to described the first projector equipment.

4. the desktop presentation method based on high in the clouds according to claim 1, it is characterized in that, described the first virtual desktop is opened in described high in the clouds, by for after showing that the first data flow of described the first virtual desktop sends to first projector equipment and described first terminal of appointment, also comprises:

Described first terminal sends for asking to share first of described the first virtual desktop and shares request to described high in the clouds; Wherein, described first shares the user name that request comprises at least one the first sharing users;

The authority that described high in the clouds judges described first user whether higher than or equal the authority of described the first sharing users;

If judgment result is that to be, described high in the clouds sends to the first shared terminal corresponding to described the first sharing users by described the first data flow.

5. the desktop presentation method based on high in the clouds according to claim 4, is characterized in that, also comprises:

If the determination result is NO, described high in the clouds sends and shares inquiry request to described the first shared terminal;

Described high in the clouds receives the permission response message that described the first shared terminal sends when allowing to share described the first virtual desktop;

Described high in the clouds sends to described the first shared terminal by described the first data flow.

6. the desktop presentation method based on high in the clouds according to claim 1, it is characterized in that, described the first virtual desktop is opened in described high in the clouds, by for after showing that the first data flow of described the first virtual desktop sends to first projector equipment and described first terminal of appointment, also comprises:

Described first terminal sends to described high in the clouds for obtaining the request of obtaining of the 3rd user's the 3rd virtual desktop; The described request of obtaining comprises described the 3rd user's user name;

The authority that described high in the clouds judges described first user whether higher than or equal the 3rd user's authority;

If judgment result is that to be, described the 3rd virtual desktop is opened in described high in the clouds, and the 3rd data flow of described the 3rd virtual desktop is sent to described the first projector equipment.

7. the desktop presentation method based on high in the clouds according to claim 6, is characterized in that, also comprises:

If the determination result is NO, described high in the clouds sends to third terminal corresponding to described the 3rd user the inquiry request of obtaining;

Described high in the clouds receives the permission response message that described third terminal sends when allowing described first terminal to obtain described the 3rd virtual desktop;

Described the 3rd virtual desktop is opened in described high in the clouds, and described the 3rd data flow is sent to described the first projector equipment.

8. the desktop presentation method based on high in the clouds according to claim 1, is characterized in that, described first terminal, after high in the clouds sends the first logging request, also comprises:

Described first terminal sends the 3rd request that is used to indicate the local desktop of showing described first terminal to described high in the clouds;

Described high in the clouds sends to described first terminal by the sign of at least one projector equipment;

Described first terminal is chosen target projection equipment, the described target projection equipment of notifying described high in the clouds to choose;

Described high in the clouds be described first terminal with described target projection equipment between set up network and be connected;

Described first terminal sends to described target projection equipment by the data flow of described local desktop.

9. the desktop presentation method based on high in the clouds according to claim 8, is characterized in that, described first terminal also comprises after the data flow of described local desktop is sent on described target projection equipment:

Described first terminal is chosen at least one second sharing users;

The authority that described first terminal judges described first user whether higher than or equal the authority of the second sharing users;

If judgment result is that to be, described first terminal sends to the second shared terminal corresponding to described the second sharing users by the data flow of described local desktop.

10. the desktop presentation method based on high in the clouds according to claim 9, is characterized in that, also comprises:

If the determination result is NO, described first terminal sends request and shares second of described local desktop and share request to described the second shared terminal;

Described first terminal receives the permission response message that described the second shared terminal sends when allowing to share described local desktop;

Described first terminal sends to described the second shared terminal by the data flow of described local desktop.