CN104967551B

CN104967551B - The method and relevant device and communication system of blit interaction

Info

Publication number: CN104967551B
Application number: CN201410385076.0A
Authority: CN
Inventors: 查冲
Original assignee: Tencent Technology Shenzhen Co Ltd
Current assignee: Tencent Technology Shenzhen Co Ltd; Tencent Cloud Computing Beijing Co Ltd
Priority date: 2014-08-06
Filing date: 2014-08-06
Publication date: 2019-02-05
Anticipated expiration: 2034-08-06
Also published as: CN104967551A

Abstract

The embodiment of the invention discloses the method for blit interaction and relevant device and communication systems.A kind of method of blit interaction includes: that access server receives the image data for the first picture that source user terminal is transmitted to purpose user terminal and the image data of the corresponding thumbnail of the first picture；When the ratio that the image data for the first picture that access server receives accounts for whole image datas of the first picture is greater than or equal to proportion threshold value, access server sends picture downloading notification message or access server instruction message server to purpose user terminal and sends picture downloading notification message to purpose user terminal；Wherein, picture downloading notification message carries the image data of the corresponding thumbnail of the first picture and the picture identification of the first picture, wherein proportion threshold value is less than 100%.The scheme of the embodiment of the present invention is conducive to shorten the waiting time of purpose user terminal during transmission picture between source user terminal and purpose user terminal, to improve user experience.

Description

The method and relevant device and communication system of blit interaction

Technical field

The present invention relates to network technique fields, and in particular to a kind of method and relevant device and communication system that blit is interactive System.

Background technique

Currently, user can share the resources such as picture or video by user terminals such as mobile phones.Such as source user terminal and mesh User terminal between can use the instant communication clients such as QQ or wechat to transmit the resources such as picture or video.

In traditional technical solution, access server will be to certain of purpose user terminal transmission in reception source user terminal After whole image datas of picture, access server just notifies the picture number of purpose user terminal downloads certain picture According to.

The present inventor has found at least there is technology below in the prior art and ask in research and practice process Topic: sometimes because of the reasons such as network jitter, picture be larger, it may cause purpose user terminal and need to wait the long period could Start download pictures, and then user experience may be influenced.

Summary of the invention

The embodiment of the present invention provides the interactive method of blit and relevant device and communication system, to shorten source user terminal Between purpose user terminal transmit picture during purpose user terminal waiting time, to which user experience can be improved.

In a first aspect, a kind of method of blit interaction, comprising:

Access server receives the image data of the first picture that source user terminal is transmitted to purpose user terminal and described The image data of the corresponding thumbnail of first picture；

When the image data for first picture that the access server receives accounts for whole figures of first picture When the ratio of sheet data is greater than or equal to proportion threshold value, the access server sends picture downloading to the purpose user terminal Notification message or the access server instruction message server send picture downloading notice to the purpose user terminal and disappear Breath；Wherein, the picture downloading notification message carries the image data and described first of the corresponding thumbnail of first picture The picture identification of picture, wherein the proportion threshold value is less than 100%.

Second aspect, a kind of access server, comprising:

Receiving unit, for receiving image data and the institute of the first picture that source user terminal is transmitted to purpose user terminal State the image data of the corresponding thumbnail of the first picture；

The image data of notification unit, first picture for receiving when the receiving unit accounts for first figure When the ratio of whole image datas of piece is greater than or equal to proportion threshold value, picture downloading notice is sent to the purpose user terminal Message or instruction message server send picture to the purpose user terminal and download notification message；Wherein, the picture downloading Notification message carries the image data of the corresponding thumbnail of first picture and the picture identification of first picture, the ratio Example threshold value is less than 100%.

The third aspect, a kind of communication system, comprising:

Access server, for receive the first picture that source user terminal is transmitted to purpose user terminal image data and The image data of the corresponding thumbnail of first picture；When the picture for first picture that the access server receives When the ratio that data account for whole image datas of first picture is greater than or equal to proportion threshold value, instruction message server is to institute It states purpose user terminal and sends picture downloading notification message, the proportion threshold value is less than 100%；

The message server sends to the purpose user terminal and schemes for the instruction according to the access server Piece downloads notification message, and the picture downloading notification message carries image data and the institute of the corresponding thumbnail of first picture State the picture identification of the first picture.

As can be seen that in the embodiment of the present invention, when the source user terminal that the access server receives is to purpose user The ratio that the image data of first picture of terminal transmission accounts for whole image datas of first picture is greater than or equal to ratio When threshold value, the access server just sends picture downloading notification message or access clothes to the purpose user terminal Business device instruction message server sends picture to the purpose user terminal and downloads notification message, wherein proportion threshold value is less than 100%, since the access server is before the whole image datas for receiving the first picture just to the purpose user Terminal send corresponding picture downloading notification message or access server be the whole image datas for receiving the first picture it Before would indicate that message server sends corresponding picture downloading notification message to the purpose user terminal, be conducive to shorten in this way Between source user terminal and purpose user terminal transmit picture during purpose user terminal waiting time, to which use can be improved Family experience.

Also, to the purpose user terminal push picture downloading notification message at the time of with the purpose user terminal It initiates in the period between at the time of picture downloading is requested, since access server s1 continues to receive source user terminal to purpose The remaining image data of first picture of user terminal transmission, this just realizes time-interleaving to a certain extent (can also be referred to as For time window multiplexing), also, when the purpose user terminal initiates picture downloading request, access server may be The whole image datas for having received the first picture or the visible critical value for having been received that the first picture correspond to image data, It is therefore more likely that having no effect on downloading and displaying of the purpose user terminal to the first picture.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the invention Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is a kind of flow diagram of the method for blit interaction provided in an embodiment of the present invention；

Fig. 2-a is a kind of configuration diagram of communication system provided in an embodiment of the present invention；

Fig. 2-b is the flow diagram of the method for another blit interaction provided in an embodiment of the present invention；

Fig. 2-c is a kind of data format schematic diagram of cell provided in an embodiment of the present invention；

Fig. 3-a is the configuration diagram of another communication system provided in an embodiment of the present invention；

Fig. 3-b is the flow diagram of the method for another blit interaction provided in an embodiment of the present invention；

Fig. 4-a is the configuration diagram of another communication system provided in an embodiment of the present invention；

Fig. 4-b is the flow diagram of the method for another blit interaction provided in an embodiment of the present invention；

Fig. 5-a is the configuration diagram of another communication system provided in an embodiment of the present invention；

Fig. 5-b is the flow diagram of the method for another blit interaction provided in an embodiment of the present invention；

Fig. 6 is a kind of schematic diagram of access server provided in an embodiment of the present invention；

Fig. 7 is the schematic diagram of another access server provided in an embodiment of the present invention；

Fig. 8 is a kind of schematic diagram of communication system provided in an embodiment of the present invention.

Specific embodiment

In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical solution in the embodiment of the present invention are explicitly described, it is clear that described embodiment is only the present invention The embodiment of a part, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having Every other embodiment obtained under the premise of creative work is made, should fall within the scope of the present invention.

It is described in detail separately below.

Description and claims of this specification and term " first ", " second ", " third " and " in above-mentioned attached drawing Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.

One embodiment of the method for blit of the present invention interaction, a kind of method of blit interaction include: that access server connects Receive the image data and the corresponding thumbnail of first picture of the first picture that source user terminal is transmitted to purpose user terminal Image data；When the image data for first picture that the access server receives accounts for the whole of first picture When the ratio of image data is greater than or equal to proportion threshold value, the access server is sent under picture to the purpose user terminal It carries notification message or the access server instruction message server and sends picture downloading notice to the purpose user terminal Message；The picture downloading notification message carries the image data and first picture of the corresponding thumbnail of first picture Picture identification, the proportion threshold value is less than 100%.

Referring to Fig. 1, Fig. 1 is a kind of flow diagram of the method for blit interaction that one embodiment of the present of invention provides. Wherein, shown in Fig. 1, a kind of method for blit interaction that one embodiment of the present of invention provides may include:

101, access server receive the image data of the first picture that source user terminal is transmitted to purpose user terminal and The image data of the corresponding thumbnail of first picture.

Wherein, source user terminal and purpose user terminal access network service (network service by access server respectively Such as can be wechat service, QQ service, easy telecommunications services or Fetion service or other kinds of network service), wherein source user The access server that terminal and purpose user terminal are accessed may be the same access server, it is also possible to be different access Server.

102, the image data of first picture received when the access server accounts for the complete of first picture When the ratio of portion's image data is greater than or equal to proportion threshold value, the access server sends picture to the purpose user terminal It downloads notification message or the access server instruction message server and sends picture to the purpose user terminal and download and lead to Know message.Wherein, picture downloading notification message carries the image data of the corresponding thumbnail of first picture and described The picture identification of first picture, wherein the proportion threshold value is less than 100%.

Wherein, in practical applications, the value of the proportion threshold value can be determined according to actual needs.Such as the ratio Threshold value is equal to 50%, 60%, 70%, 75%, 80%, 85%, 90%, 95% or other values.Optionally, the ratio threshold Value can be greater than or equal to the visible critical value of first picture, and certain proportion threshold value can also be slightly less than first picture Visible critical value.

Wherein, image data corresponding to the visible critical value using the first picture can clearly show that out first substantially Picture.Wherein, the visible critical value of the first picture for example can be equal to 45%, 60%, 70%, 75% or 80%, 85%, 90%, 95% or other value.

As can be seen that in the present embodiment, when the source user terminal that the access server receives is to purpose user terminal The ratio that the image data of first picture of transmission accounts for whole image datas of first picture is greater than or equal to proportion threshold value When, the access server just sends picture downloading notification message or the access server to the purpose user terminal Instruction message server to the purpose user terminal send picture download notification message, wherein proportion threshold value less than 100%, Since the access server is just sent out to the purpose user terminal before the whole image datas for receiving the first picture Send corresponding picture downloading notification message, the access server be before the whole image datas for receiving the first picture just Instruction message server sends corresponding picture to the purpose user terminal and downloads notification message, is conducive to shortening source use in this way Between family terminal and purpose user terminal transmit picture during purpose user terminal waiting time, to which user's body can be improved It tests.

Also, to the purpose user terminal push picture downloading notification message at the time of with the purpose user terminal It initiates in the period between at the time of picture downloading is requested, since access server continues to receive source user terminal to purpose use The remaining image data of first picture of family terminal transmission, this just realizes time-interleaving (also referred to as to a certain extent Time window multiplexing), also, when the purpose user terminal initiates picture downloading request, access server may connect The whole image datas for having received the first picture or the visible critical value for having been received that the first picture correspond to image data, because This is likely to have no effect on downloading and displaying of the purpose user terminal to the first picture.Certainly, if proportion threshold value is big In or equal to the first picture visible critical value, the purpose user terminal initiate picture downloading request when have substantially no effect on institute State downloading and displaying of the purpose user terminal to the first picture.

Optionally, in some possible embodiments of the invention, the method also includes: the access server connects Receive the proportion threshold value from the source user terminal.That is, the access server comes from the source by receiving The proportion threshold value of user terminal knows the proportion threshold value.Furthermore the access server can also by calculate or other Mode knows the proportion threshold value.

Optionally, in some possible embodiments of the invention, the access server instruction message server to The purpose user terminal sends picture and downloads notification message, it may include: the access server sends to message server and uses The instruction message of picture downloading notification message is sent to the purpose user terminal in the instruction message server, wherein institute Stating instruction message includes the picture identification of first picture and the image data of the corresponding thumbnail of first picture.Its In, the picture identification of first picture is can to index the various information of first picture, such as first picture Picture identification can be the first picture picture key assignments (key) etc..It wherein, can base between access server and message server In hypertext transfer protocol (HTTP, Hypertext transfer protocol) or other shared agreements or proprietary protocol into Row communication.It is used for example, the access server is used to indicate the message server to message server transmission to the purpose Family terminal sends the instruction message of picture downloading notification message can include: the access server sends HTTP to message server Message, wherein sent comprising being used to indicate the message server to the purpose user terminal in the message body of HTTP message The instruction message of picture downloading notification message.

Optionally, in some possible embodiments of the invention, if the method may also include that the access service Device receives the picture downloading request of the picture identification of carrying first picture from the purpose user terminal, described to connect Enter the image data that server sends first picture that the access server receives to the purpose user terminal.Its In, after the purpose user terminal receives above-mentioned picture downloading notification message, the purpose user terminal can be accessed to it The picture that server sends the picture identification for carrying first picture downloads request, to request to download the figure of first picture Sheet data.

Optionally, in some possible embodiments of the invention, the method may also include that in the access service When device receives the picture downloading request of the picture identification of carrying first picture from the purpose user terminal, if The access server has been received that whole image datas of first picture, the access server can be to the mesh User terminal send the first data volume size instruction, wherein the first data volume size instruction be used to indicate out described first The data volume size of whole image datas of picture.Wherein, the purpose user terminal is obtained according to the instruction of the first data volume size Know the data volume size of the image data for first picture that can be downloaded to.

Optionally, in some possible embodiments of the invention, the method may also include that in the access service When device receives the picture downloading request of the picture identification for carrying first picture from the purpose user terminal, such as Access server described in fruit does not receive whole image datas of first picture also, and the access server can be to the mesh User terminal send the second data volume size instruction.Wherein the second data volume size instruction is used to indicate out the ratio Threshold value or the second data volume size instruction are used to indicate out the access server and currently have received first picture Image data data volume size.Wherein, know can be following according to the instruction of the second data volume size for the purpose user terminal The data volume size of the image data for first picture being downloaded to.

As can be seen that this embodiment scheme in, when the image data of upload reach proportion threshold value just as upload successfully, into And trigger to purpose user terminal push picture downloading notice, it is touched again after being uploaded compared to whole image datas in picture It is sent to the traditional mechanism of purpose user terminal push picture downloading notice, this embodiment scheme is conducive to reduce the number that picture uploads According to amount, be conducive to improve picture upload success rate；And the period that picture downloading notice is pushed to purpose user terminal is superimposed upon In source user terminal graph piece upload procedure, the time loss that can reduce the upload of part figure piece is shown as.And it is whole in purpose user When end is by clicking thumbnail come download pictures, whole image datas of picture are likely to upload completely, even if not uploading Complete, purpose user terminal is also likely to that a slightly hazy picture can be downloaded to.And from user experience angle, this implementation The technical solution of example can reduce the delay that user waits picture downloading notice, be conducive to the real-time for enhancing blit in this way, promoted User experience.

The technical solution of above-described embodiment to facilitate the understanding of the present invention, below by citing application scenes into Row further illustrates.

- a and Fig. 2-b, Fig. 2-a are that a kind of framework for communication system that one embodiment of the present of invention provides shows referring to fig. 2 It is intended to.Fig. 2-b be another embodiment of the present invention provides another blit interaction method flow diagram.Wherein, The method of the interaction of blit shown in Fig. 2-b can be implemented in the communication system of the framework shown in Fig. 2-a.

- b referring to fig. 2, a kind of method of blit interaction provided by one embodiment of the present invention can include:

201, source user terminal need to be to mesh to the above-mentioned source user terminal of the access server s1 of above-mentioned source user terminal transmission User terminal transmission the first picture image data and the corresponding thumbnail of first picture image data.

Wherein, source user terminal and purpose user terminal access network service (network service by access server respectively Such as can be wechat service, QQ service, easy telecommunications services or Fetion service or other kinds of network service), wherein source user The access server that terminal and purpose user terminal are accessed may be the same access server, it is also possible to be different access Server, the present embodiment are different access server with the access server that source user terminal and purpose user terminal are accessed For.

202, access server s1 receives the picture number for the first picture that source user terminal need to be transmitted to purpose user terminal According to the image data of thumbnail corresponding with first picture, the access server judges first figure having received Whether the ratio that the image data of piece accounts for whole image datas of first picture is greater than or equal to proportion threshold value.

Optionally, in some possible embodiments of the present invention, the method also includes: the access server receives The proportion threshold value from the source user terminal.That is, the access server is used by receiving from the source The proportion threshold value of family terminal knows the proportion threshold value.Furthermore the access server can also pass through calculating or its other party Formula knows the proportion threshold value.

203, when the image data of the access server s1 first picture received accounts for first picture When the ratio of whole image datas is greater than or equal to proportion threshold value, the access server s1 is sent to message server for referring to Show that the message server sends the instruction message of picture downloading notification message to the purpose user terminal.

Wherein, the instruction message includes the picture identification and the corresponding thumbnail of first picture of first picture Image data.It wherein, can be based on HTTP or other shared agreements or privately owned association between access server s1 and message server View is communicated.For example, the access server s1 is used to indicate the message server to described to message server transmission Purpose user terminal sends the instruction message of picture downloading notification message can include: the access server is sent out to message server Send HTTP message, wherein whole to the purpose user comprising being used to indicate the message server in the message body of HTTP message End sends the instruction message of picture downloading notification message.

As shown in fig. 2-c, above-mentioned instruction message may include multiple cells shown in Fig. 2-c, and each cell may include four Field specifically may include the field for recording cell title (Key), for recording the word of cell Name Length (Key_Len) Section, the field of the field for recording cell content (Value) and the length (Value_Len) for recording cell content.Its In, the length of Key_Len field and Value_Len field can be nybble, and network bytes sequence can be used to be transmitted.Wherein, Value field can record the figure of the format information of the first picture, the icon mark of the first picture, the corresponding thumbnail of the first picture Sheet data etc..

204, message server receive from the access server s1 be used to indicate it is described whole to the purpose user End sends the instruction message of picture downloading notification message, and message server sends picture downloading notice to the purpose user terminal Message.

205, purpose user terminal receives the picture from message server and downloads notification message, and picture downloads notification message Carry the picture identification of first picture and the image data of the corresponding thumbnail of first picture.The purpose user Terminal sends the picture downloading for the picture identification for carrying first picture to the access server s2 of the purpose user terminal Request.Wherein, the picture identification of first picture for example can be the various information that can index first picture, lift For example, the picture identification of first picture can be the picture key etc. of the first picture.

206, access server s2 is requested to access server s1 forwarding picture downloading.

207, access server s1 sends first figure that access server s1 has been received to access server s2 The image data of piece, access server s2 forward described first received from access server s1 to the purpose user terminal The image data of picture.

As can be seen that in the present embodiment, when the source user terminal that the access server receives is to purpose user terminal The ratio that the image data of first picture of transmission accounts for whole image datas of first picture is greater than or equal to proportion threshold value When, the access server would indicate that message server sends picture downloading notification message to the purpose user terminal, wherein Proportion threshold value less than 100%, due to the access server be before the whole image datas for receiving the first picture just to The purpose user terminal sends corresponding picture and downloads notification message, and the access server is to receive the first picture It would indicate that message server sends corresponding picture downloading notification message to the purpose user terminal before whole image datas, When being conducive to shorten the waiting of purpose user terminal during transmitting picture between source user terminal and purpose user terminal in this way It is long, to which user experience can be improved.

Optionally, in some possible embodiments of the invention, the method may also include that in access server s1 When receiving the picture downloading request of the picture identification of carrying first picture from the purpose user terminal, if institute Whole image datas that access server s1 has been received that first picture are stated, the access server s1 passes through access Server s2 can send the instruction of the first data volume size to the purpose user terminal, wherein the big little finger of toe of the first data volume Show the data volume size for being used to indicate out whole image datas of first picture.Wherein, the purpose user terminal according to The data volume size of the image data for first picture that can be downloaded to is known in the instruction of first data volume size.

Optionally, in some possible embodiments of the invention, the method may also include that in the access service When device s1 receives the picture downloading request of the picture identification for carrying first picture from the purpose user terminal, If access server s1 does not receive whole image datas of first picture also, the access server s1 can be by connecing Enter server s2 and sends the instruction of the second data volume size to the purpose user terminal.Wherein the second data volume size instruction It is used to indicate out the proportion threshold value or the second data volume size instruction has been used to indicate out the access server currently Receive the data volume size of the image data of first picture.Wherein, the purpose user terminal is according to the second data volume The data volume size of the image data for first picture that can be downloaded to is known in size instruction.

It is that a kind of framework for communication system that one embodiment of the present of invention provides shows referring to Fig. 3-a and Fig. 3-b, Fig. 3-a It is intended to.Fig. 3-b be another embodiment of the present invention provides another blit interaction method flow diagram.Wherein, The method of the interaction of blit shown in Fig. 3-b can be implemented in the communication system of the framework shown in Fig. 3-a.

Referring to Fig. 3-b, a kind of method of blit interaction provided by one embodiment of the present invention can include:

301, source user terminal need to be to mesh to the above-mentioned source user terminal of the access server s1 of above-mentioned source user terminal transmission User terminal transmission the first picture image data and the corresponding thumbnail of first picture image data.

302, access server s1 receives the picture number for the first picture that source user terminal need to be transmitted to purpose user terminal According to the image data of thumbnail corresponding with first picture, the access server s1 judges have received described first Whether the ratio that the image data of picture accounts for whole image datas of first picture is greater than or equal to proportion threshold value.

303, when the image data of the access server s1 first picture received accounts for first picture When the ratio of whole image datas is greater than or equal to proportion threshold value, the access server s1 connects to what purpose user terminal accessed Enter server s2 transmission and is used to indicate the access server s2 to purpose user terminal transmission picture downloading notification message Instruction message.

Wherein, the instruction message includes the picture identification and the corresponding thumbnail of first picture of first picture Image data.It wherein, can be based on HTTP or other shared agreements or privately owned association between access server s1 and message server View is communicated.For example, the access server s1 is used to indicate access server s2 to the purpose to access server s2 User terminal sends the instruction message of picture downloading notification message can include: the access server is sent to access server s2 HTTP message, wherein whole to the purpose user comprising being used to indicate the access server s2 in the message body of HTTP message End sends the instruction message of picture downloading notification message.

304, access server s2 receive from the access server s1 be used to indicate it is described to the purpose user Terminal sends the instruction message of picture downloading notification message, and access server s2 sends picture downloading to the purpose user terminal Notification message.

305, purpose user terminal receives the picture from access server s2 and downloads notification message, and picture downloading notice disappears Breath carries the picture identification of first picture and the image data of the corresponding thumbnail of first picture.The purpose is used Family terminal is sent to the access server s2 of the purpose user terminal under the picture for the picture identification for carrying first picture Carry request.Wherein, the picture identification of first picture for example can be the various information that can index first picture, For example, the picture identification of first picture can be the picture key etc. of the first picture.

306, access server s2 is requested to access server s1 forwarding picture downloading.

307, access server s1 sends first figure that access server s1 has been received to access server s2 The image data of piece, access server s2 forward described first received from access server s1 to the purpose user terminal The image data of picture.

As can be seen that in the present embodiment, when the source user terminal that the access server s1 is received is whole to purpose user The ratio for holding the image data of the first picture of transmission to account for whole image datas of first picture is greater than or equal to ratio threshold When value, the access server s1 pushes picture downloading notice to the purpose user terminal by instruction access server s2 and disappears Breath, wherein proportion threshold value less than 100%, due to access server s1 be the whole image datas for receiving the first picture it Preceding just to send corresponding picture downloading notification message to the purpose user terminal, access server s1 is to receive the first figure It would indicate that access server s2 sends corresponding picture downloading to the purpose user terminal and leads to before whole image datas of piece Know message, is conducive to shorten purpose user terminal during transmitting picture between source user terminal and purpose user terminal in this way Waiting time, to which user experience can be improved.

Also, to the purpose user terminal push picture downloading notification message at the time of with the purpose user terminal It initiates in the period between at the time of picture downloading is requested, since access server s1 continues to receive source user terminal to purpose The remaining image data of first picture of user terminal transmission, this just realizes time-interleaving to a certain extent (can also be referred to as For time window multiplexing), also, when the purpose user terminal initiates picture downloading request, access server s1 may be Received whole image datas to the first picture or the visible critical value corresponding diagram the piece number for having been received that the first picture According to it is therefore more likely that having no effect on downloading and displaying of the purpose user terminal to the first picture.Certainly, if ratio threshold Value is greater than or equal to the visible critical value of the first picture, the not shadow substantially when the purpose user terminal initiates picture downloading request Ring downloading and displaying of the purpose user terminal to the first picture.

- a and Fig. 4-b, Fig. 4-a are that a kind of framework for communication system that one embodiment of the present of invention provides shows referring to fig. 4 It is intended to.Fig. 4-b be another embodiment of the present invention provides another blit interaction method flow diagram.Wherein, The method of the interaction of blit shown in Fig. 4-b can be implemented in the communication system of the framework shown in Fig. 4-a.

- b referring to fig. 4, a kind of method of blit interaction provided by one embodiment of the present invention can include:

401, source user terminal need to be to mesh to the above-mentioned source user terminal of the access server s1 of above-mentioned source user terminal transmission User terminal transmission the first picture image data and the corresponding thumbnail of first picture image data.

Wherein, source user terminal and purpose user terminal access network service (network service by access server respectively Such as can be wechat service, QQ service, easy telecommunications services or Fetion service or other kinds of network service), wherein source user The access server that terminal and purpose user terminal are accessed may be the same access server, it is also possible to be different access Server, the present embodiment are that same access server is with the access server that source user terminal and purpose user terminal are accessed Example.

402, access server s1 receives the picture number for the first picture that source user terminal need to be transmitted to purpose user terminal According to the image data of thumbnail corresponding with first picture, the access server judges first figure having received Whether the ratio that the image data of piece accounts for whole image datas of first picture is greater than or equal to proportion threshold value.

Optionally, in some possible embodiments of the present invention, the method also includes: the access server s1 connects Receive the proportion threshold value from the source user terminal.That is, the access server s1 comes from the source user by receiving The proportion threshold value of terminal knows the proportion threshold value.Furthermore the access server can also pass through calculating or other modes Know the proportion threshold value.

403, when the image data of the access server s1 first picture received accounts for first picture When the ratio of whole image datas is greater than or equal to proportion threshold value, the access server s1 is sent to message server for referring to Show that the message server sends the instruction message of picture downloading notification message to the purpose user terminal.

404, message server receive from the access server s1 be used to indicate it is described whole to the purpose user End sends the instruction message of picture downloading notification message, and message server sends picture downloading notice to the purpose user terminal Message.

405, purpose user terminal receives the picture from message server and downloads notification message, and picture downloads notification message Carry the picture identification of first picture and the image data of the corresponding thumbnail of first picture.The purpose user Terminal sends the picture downloading for the picture identification for carrying first picture to the access server s1 of the purpose user terminal Request.Wherein, the picture identification of first picture for example can be the various information that can index first picture, lift For example, the picture identification of first picture can be the picture key etc. of the first picture.

406, access server s1 receives picture downloading request, and access server s1 connects to purpose user terminal transmission Enter the image data for first picture that server s1 is received.

Optionally, in some possible embodiments of the invention, the method may also include that in access server s1 When receiving the picture downloading request of the picture identification of carrying first picture from the purpose user terminal, if institute State whole image datas that access server s1 has been received that first picture, the access server s1 can be to described Purpose user terminal sends the instruction of the first data volume size, wherein the first data volume size instruction is used to indicate out described The data volume size of whole image datas of first picture.Wherein, the purpose user terminal is according to the big little finger of toe of the first data volume Show the data volume size for knowing the image data for first picture that can be downloaded to.

Optionally, in some possible embodiments of the invention, the method may also include that in the access service When device s1 receives the picture downloading request of the picture identification for carrying first picture from the purpose user terminal, If access server s1 does not receive whole image datas of first picture also, the access server s1 can be to described Purpose user terminal sends the instruction of the second data volume size.Wherein the second data volume size instruction is used to indicate out the ratio Example threshold value or the second data volume size instruction are used to indicate out the access server and currently have received first figure The data volume size of the image data of piece.Wherein, known according to the instruction of the second data volume size can be with for the purpose user terminal The data volume size of the image data of first picture downloaded to.

It is that a kind of framework for communication system that one embodiment of the present of invention provides shows referring to Fig. 5-a and Fig. 5-b, Fig. 5-a It is intended to.Fig. 5-b be another embodiment of the present invention provides another blit interaction method flow diagram.Wherein, The method of the interaction of blit shown in Fig. 5-b can be implemented in the communication system of the framework shown in Fig. 5-a.

Referring to Fig. 5-b, a kind of method of blit interaction provided by one embodiment of the present invention can include:

501, source user terminal need to be to mesh to the above-mentioned source user terminal of the access server s1 of above-mentioned source user terminal transmission User terminal transmission the first picture image data and the corresponding thumbnail of first picture image data.

502, access server s1 receives the picture number for the first picture that source user terminal need to be transmitted to purpose user terminal According to the image data of thumbnail corresponding with first picture, the access server s1 judges have received described first Whether the ratio that the image data of picture accounts for whole image datas of first picture is greater than or equal to proportion threshold value.

503, when the image data of the access server s1 first picture received accounts for first picture When the ratio of whole image datas is greater than or equal to proportion threshold value, the access server s1 is sent to the purpose user terminal Picture downloads notification message.

Wherein, the picture downloading notification message includes that the picture identification of first picture and first picture correspond to Thumbnail image data.

504, purpose user terminal receives the picture from access server s1 and downloads notification message, and picture downloading notice disappears Breath carries the picture identification of first picture and the image data of the corresponding thumbnail of first picture.The purpose is used Family terminal is sent to the access server s1 of the purpose user terminal under the picture for the picture identification for carrying first picture Carry request.Wherein, the picture identification of first picture for example can be the various information that can index first picture, For example, the picture identification of first picture can be the picture key etc. of the first picture.

505, access server s1 receives picture downloading request, and access server s1 connects to purpose user terminal transmission Enter the image data for first picture that server s1 is received.

As can be seen that in the present embodiment, when the source user terminal that the access server s1 is received is whole to purpose user The ratio for holding the image data of the first picture of transmission to account for whole image datas of first picture is greater than or equal to ratio threshold When value, the access server s1 downloads notification message to purpose user terminal push picture, wherein proportion threshold value is less than 100%, since access server s1 is before the whole image datas for receiving the first picture just to the purpose user end End sends corresponding picture and downloads notification message, and access server s1 is before receiving whole image datas of the first picture Corresponding picture is sent to the purpose user terminal and downloads notification message, is conducive to shorten source user terminal in this way and purpose is used Between the terminal of family transmit picture during purpose user terminal waiting time, to which user experience can be improved.

Relevant apparatus for implementing the above scheme is also provided below.

Referring to Fig. 6, the embodiment of the present invention also provides a kind of access server 600, comprising: receiving unit 610 and notification sheet Member 620.

Receiving unit 610, for receiving the image data for the first picture that source user terminal is transmitted to purpose user terminal The image data of thumbnail corresponding with first picture

Notification unit 620, the image data of first picture for receiving when the receiving unit account for described the When the ratio of whole image datas of one picture is greater than or equal to proportion threshold value, picture downloading is sent to the purpose user terminal Notification message or instruction message server send picture to the purpose user terminal and download notification message；Wherein, the picture Downloading notification message carries the image data of the corresponding thumbnail of first picture and the picture identification of first picture, institute Proportion threshold value is stated less than 100%.

Optionally, the proportion threshold value is greater than or equal to the visible critical value of first picture.

Optionally, in some possible embodiments of the invention, the receiving unit is also used to, and is received and is come from the source The proportion threshold value of user terminal.

Optionally, it in some possible embodiments of the invention, is used in the instruction message server to the purpose Family terminal sends the aspect of picture downloading notification message, and the notification unit is specifically used for, and sends to message server for referring to Show that the message server sends the instruction message of picture downloading notification message to the purpose user terminal, wherein the finger Show that message includes the picture identification and the corresponding thumbnail of first picture of first picture.

Optionally, in some possible embodiments of the invention,

The access server 600 further include: issuance unit 630, if receiving for the receiving unit from described The picture of the picture identification of carrying first picture of purpose user terminal downloads request, sends to the purpose user terminal The image data for first picture that the receiving unit receives.

Optionally, in some possible embodiments of the invention, issuance unit 630 is also used to, in the receiving unit When receiving the picture downloading request of the picture identification of carrying first picture from the purpose user terminal, if described Receiving unit has been received that whole image datas of first picture, sends the first data to the purpose user terminal Measure size instruction, wherein the first data volume size instruction is used to indicate out whole image datas of first picture Data volume size；

Optionally, in some possible embodiments of the invention, issuance unit 630 is also used to, in the receiving unit When receiving the picture downloading request of the picture identification of carrying first picture from the purpose user terminal, if described Receiving unit does not receive whole image datas of first picture also, sends the second data volume to the purpose user terminal Size instruction, wherein the second data volume size instruction is used to indicate out the proportion threshold value or second data volume is big Small instruction is used to indicate out the data volume size that the access server currently has received the image data of first picture.

It is understood that the function of each functional module of the access server 600 of the present embodiment can be according to the above method Method specific implementation in embodiment, specific implementation process are referred to the associated description of above method embodiment, herein not It repeats again.

As can be seen that in the present embodiment, when the source user terminal that access server 600 receives is passed to purpose user terminal When the ratio that the image data of the first defeated picture accounts for whole image datas of first picture is greater than or equal to proportion threshold value, The access server 600 just sends picture downloading notification message or the access server to the purpose user terminal 600 instruction message servers send picture to the purpose user terminal and download notification message, wherein proportion threshold value is less than 100%, since the access server 600 is just used to the purpose before the whole image datas for receiving the first picture Family terminal sends corresponding picture and downloads notification message, and access server 600 is in the whole picture numbers for receiving the first picture According to would indicate that message server sends corresponding picture downloading notification message to the purpose user terminal before, be conducive in this way Shorten the waiting time of purpose user terminal during transmitting picture between source user terminal and purpose user terminal, to mention High user experience.

Also, to the purpose user terminal push picture downloading notification message at the time of with the purpose user terminal It initiates in the period between at the time of picture downloading is requested, since access server 600 continues to receive source user terminal to mesh User terminal transmission the first picture remaining image data, this just realizes time-interleaving to a certain extent (can also claim Be multiplexed for time window), also, when the purpose user terminal initiates picture downloading request, access server 600 may The whole image datas for having been received that the first picture or the visible critical value for having been received that the first picture correspond to picture Data, it is therefore more likely that having no effect on downloading and displaying of the purpose user terminal to the first picture.Certainly, if ratio Threshold value is greater than or equal to the visible critical value of the first picture, substantially not when the purpose user terminal initiates picture downloading request Influence downloading and displaying of the purpose user terminal to the first picture.

Referring to Fig. 7, Fig. 7 be another embodiment of the present invention provides access server 700 structural block diagram.Access server 700 include: at least one processor 701, at least one network interface 704, memory 705, at least one communication bus 702.Communication Bus 702 is for realizing the connection communication between these components.The access server 700 optionally includes user interface 703, packet Include display (such as touch screen, liquid crystal display, holographic imaging (English: Holographic) or projection (English: Projector) etc.), pointing device (such as mouse, trace ball (English: trackball) touch-sensitive plate or touch screen etc.), take the photograph As head and/or sound pick up equipment etc..

Wherein, memory 705 may include read-only memory and random access memory, and refer to the offer of processor 701 Order and data.Wherein, a part of in memory 705 can also include nonvolatile RAM.

In some embodiments, memory 705 stores following element, executable modules or data structures, or Their subset of person or their superset:

Operating system 7051 includes various system programs, hardware based for realizing various basic businesses and processing Task.

Application program module 7052 includes various application programs, for realizing various applied business.

Include but is not limited in application program module 7052: receiving unit 610, notification unit 620 and issuance unit 630 Deng.

In embodiments of the present invention, by the program or instruction of calling memory 705 to store, processor 701 receives source and uses The picture of the image data for the first picture that family terminal is transmitted to purpose user terminal and the corresponding thumbnail of first picture Data；Be greater than when the ratio that the image data of first picture received accounts for whole image datas of first picture or When equal to proportion threshold value, picture downloading notification message or instruction message server are sent to institute to the purpose user terminal It states purpose user terminal and sends picture downloading notification message；It is corresponding that the picture downloading notification message carries first picture The picture identification of the image data of thumbnail and first picture, the proportion threshold value is less than 100%.

Optionally, in some possible embodiments of the invention, processor 701 is also used to: being received and is come from the source The proportion threshold value of user terminal.That is, processor 701 is also by receiving the ratio from the source user terminal Example threshold value knows the proportion threshold value.Furthermore the access server can also know the ratio by calculating or other modes Threshold value.

Optionally, in some possible embodiments of the invention, the instruction message server is used to the purpose Family terminal sends picture and downloads notification message, it may include: processor 701 is used to indicate the message clothes to message server transmission Business device sends the instruction message of picture downloading notification message to the purpose user terminal, wherein the instruction message includes institute State the picture identification of the first picture and the image data of the corresponding thumbnail of first picture.Wherein, first picture Picture identification is can to index the various information of first picture, for example, the picture identification of first picture can Think the picture key etc. of the first picture.It wherein, can be based on HTTP or other shared associations between access server and message server View or proprietary protocol are communicated.

For example, processor 701 is used to indicate the message server to message server transmission and uses to the purpose Family terminal sends the instruction message of picture downloading notification message can include: and processor 701 sends HTTP message to message server, Wherein, it is sent under picture comprising being used to indicate the message server to the purpose user terminal in the message body of HTTP message Carry the instruction message of notification message.

Optionally, in some possible embodiments of the invention, processor 701 is also used to: if processor 701 receives Picture to the picture identification of carrying first picture from the purpose user terminal downloads request, uses to the purpose Family terminal sends the image data for first picture that the access server receives.Wherein, when the purpose user is whole After end receives above-mentioned picture downloading notification message, the purpose user terminal can be sent to its access server carries described the The picture of the picture identification of one picture downloads request, to request to download the image data of first picture.

Optionally, in some possible embodiments of the invention, processor 701 is also used to: being received in processor 701 When downloading request to the picture of the picture identification of carrying first picture from the purpose user terminal, if processor 701 have been received that whole image datas of first picture, and it is big to send the first data volume to the purpose user terminal Small instruction, wherein the first data volume size instruction is used to indicate out the data volume of whole image datas of first picture Size.Wherein, the purpose user terminal knows first picture that can be downloaded to according to the instruction of the first data volume size Image data data volume size.

Optionally, in some possible embodiments of the invention, processor 701 is also used to: being received in processor 701 To the picture identification for carrying first picture from the purpose user terminal picture download request when, if processing Device 701 does not receive whole image datas of first picture also, can send the second data volume to the purpose user terminal Size instruction.Wherein the second data volume size instruction is used to indicate out the proportion threshold value or second data volume is big Small instruction is used to indicate out the data volume size that the access server currently has received the image data of first picture. Wherein, the purpose user terminal knows the picture for first picture that can be downloaded to according to the instruction of the second data volume size The data volume size of data.

Referring to Fig. 8, the embodiment of the present invention provides a kind of communication system, comprising: access server 810 and message server 820。

Access server 810, for receiving the picture number for the first picture that source user terminal is transmitted to purpose user terminal According to the image data of thumbnail corresponding with first picture；When first figure that the access server 810 receives When the ratio that the image data of piece accounts for whole image datas of first picture is greater than or equal to proportion threshold value, instruction message clothes Device 820 be engaged in purpose user terminal transmission picture downloading notification message, the proportion threshold value is less than 100%.

The message server 820, for the instruction according to the access server 810, to the purpose user terminal It sends picture and downloads notification message, the picture downloading notification message carries the picture number of the corresponding thumbnail of first picture According to the picture identification with first picture.

As can be seen that in the present embodiment, when the source user terminal that the access server 810 receives is whole to purpose user The ratio for holding the image data of the first picture of transmission to account for whole image datas of first picture is greater than or equal to ratio threshold When value, the access server 810 just sends picture downloading notification message or access clothes to the purpose user terminal Business 810 instruction message server 820 of device sends picture to the purpose user terminal and downloads notification message, wherein proportion threshold value Less than 100%, since the access server 810 is to would indicate that message before the whole image datas for receiving the first picture Server 820 sends corresponding picture to the purpose user terminal and downloads notification message, is conducive to shorten source user end in this way The waiting time of purpose user terminal during transmitting picture between purpose user terminal is held, to which user experience can be improved.

Also, to the purpose user terminal push picture downloading notification message at the time of with the purpose user terminal It initiates in the period between at the time of picture downloading is requested, since access server 810 continues to receive source user terminal to mesh User terminal transmission the first picture remaining image data, this just realizes time-interleaving to a certain extent (can also claim Be multiplexed for time window), also, when the purpose user terminal initiates picture downloading request, access server 810 may The whole image datas for having been received that the first picture or the visible critical value for having been received that the first picture correspond to picture Data, it is therefore more likely that having no effect on downloading and displaying of the purpose user terminal to the first picture.Certainly, if ratio Threshold value is greater than or equal to the visible critical value of the first picture, substantially not when the purpose user terminal initiates picture downloading request Influence downloading and displaying of the purpose user terminal to the first picture.

Optionally, in some possible embodiments of the invention, the access server 810 is also used to receive and come from The proportion threshold value of the source user terminal.That is, the access server 810 comes from the source user by receiving The proportion threshold value of terminal knows the proportion threshold value.Furthermore the access server 810 can also by calculate or other Mode knows the proportion threshold value.

Optionally, in some possible embodiments of the invention, the 810 instruction message server of access server 820, which send picture to the purpose user terminal, downloads notification message, it may include: the access server 810 is to messaging service Device 820, which is sent, is used to indicate the finger that the message server 820 sends picture downloading notification message to the purpose user terminal Show message, wherein the instruction message includes the picture identification and the corresponding thumbnail of first picture of first picture Image data.Wherein, the picture identification of first picture be can index the various information of first picture, such as The picture identification of first picture can be the picture key etc. of the first picture.Wherein, access server 810 and messaging service It can be communicated based on HTTP or other shared agreements or proprietary protocol between device 820.For example, the access server 810 to The transmission of message server 820 is used to indicate the message server 820 and sends picture downloading notice to the purpose user terminal The instruction message of message can include: the access server 810 sends HTTP message to message server 820, wherein HTTP report Disappear comprising being used to indicate the message server 820 to purpose user terminal transmission picture downloading notice in the message body of text The instruction message of breath.

Optionally, in some possible embodiments of the present invention, access server 810 is also used to: if the access takes Business device 810 receives the picture downloading request of the picture identification of carrying first picture from the purpose user terminal, The image data for first picture that the access server 810 receives is sent to the purpose user terminal.Wherein, when After the purpose user terminal receives above-mentioned picture downloading notification message, the purpose user terminal can be to its access server 810 pictures for sending the picture identification for carrying first picture download request, to request to download the picture of first picture Data.

Optionally, in some possible embodiments of the present invention, access server 810 is also used to: being taken in the access Business device 810 receives the picture downloading request of the picture identification of carrying first picture from the purpose user terminal When, if the access server 810 has been received that whole image datas of first picture, can be used to the purpose Family terminal sends the instruction of the first data volume size, wherein the first data volume size instruction is used to indicate out first picture Whole image datas data volume size.Wherein, know can according to the instruction of the first data volume size for the purpose user terminal With the data volume size of the image data of first picture downloaded to.

Optionally, in some possible embodiments of the present invention, access server 810 is also used to: being taken in the access Business device 810 receives the picture downloading request of the picture identification for carrying first picture from the purpose user terminal When, it, can be to the purpose user if the access server 810 does not receive whole image datas of first picture also Terminal sends the instruction of the second data volume size.Wherein the second data volume size instruction is used to indicate out the proportion threshold value, Or the second data volume size instruction is used to indicate out the access server 810 and currently has received first picture Image data data volume size.Wherein, know can be following according to the instruction of the second data volume size for the purpose user terminal The data volume size of the image data for first picture being downloaded to.

The embodiment of the present invention also provides a kind of computer storage medium, wherein the computer storage medium can be stored with journey Sequence, the program include some or all of the method for any blit interaction recorded in above method embodiment step when executing Suddenly.

It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily of the invention It is necessary.

In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment Point, reference can be made to the related descriptions of other embodiments.

In several embodiments provided herein, it should be understood that disclosed device, it can be by another way It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of the unit, it is only a kind of Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit, It can be electrical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code Medium.

The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims

1. a kind of method of blit interaction characterized by comprising

Access server receives the image data and described first for the first picture that source user terminal is transmitted to purpose user terminal The image data of the corresponding thumbnail of picture；

The access server receives the proportion threshold value from the source user terminal；

When the image data for first picture that the access server receives accounts for whole picture numbers of first picture According to ratio be greater than or equal to the proportion threshold value when, the access server to the purpose user terminal send picture downloading Notification message or the access server instruction message server send picture downloading notice to the purpose user terminal and disappear Breath；Wherein, the picture downloading notification message carries the image data and described first of the corresponding thumbnail of first picture The picture identification of picture, wherein the proportion threshold value is less than 100%；The proportion threshold value is greater than or equal to first picture Visible critical value；

If the access server receives the picture identification of carrying first picture from the purpose user terminal Picture downloading request, the picture number for first picture that the access server is transmitted and received to the purpose user terminal According to.

2. the method according to claim 1, wherein

It includes: institute that the access server instruction message server, which sends picture downloading notification message to the purpose user terminal, It states access server and is used to indicate the message server to purpose user terminal transmission picture to message server transmission Download the instruction message of notification message, wherein the instruction message includes the picture identification and described first of first picture The corresponding thumbnail of picture.

3. the method according to claim 1, wherein

The method also includes: carrying first figure from the purpose user terminal is received in the access server When the picture of the picture identification of piece downloads request, if the access server has been received that whole figures of first picture Sheet data, the access server send the instruction of the first data volume size to the purpose user terminal, wherein first number The data volume size of whole image datas of first picture is used to indicate out according to amount size instruction；

Alternatively,

The picture identification of carrying first picture from the purpose user terminal is received in the access server When picture downloading request, if the access server does not receive whole image datas of first picture, the access also Server sends the instruction of the second data volume size to the purpose user terminal, wherein the second data volume size instruction is used In indicating that the proportion threshold value or the second data volume size instruction be used to indicate out the access server and currently connect Receive the data volume size of the image data of first picture.

4. a kind of access server characterized by comprising

Receiving unit, for receiving the image data and described for the first picture that source user terminal is transmitted to purpose user terminal The image data of the corresponding thumbnail of one picture；

The receiving unit is also used to, and receives the proportion threshold value from the source user terminal；

The image data of notification unit, first picture for receiving when the receiving unit accounts for first picture When the ratio of whole image datas is greater than or equal to the proportion threshold value, picture downloading notice is sent to the purpose user terminal Message or instruction message server send picture to the purpose user terminal and download notification message；Wherein, the picture downloading Notification message carries the image data of the corresponding thumbnail of first picture and the picture identification of first picture, the ratio Example threshold value is less than 100%；The proportion threshold value is greater than or equal to the visible critical value of first picture；

Issuance unit, if receiving carrying first picture from the purpose user terminal for the receiving unit The picture of picture identification downloads request, sends first picture that the receiving unit receives to the purpose user terminal Image data.

5. access server according to claim 4, which is characterized in that in the instruction message server to the purpose User terminal sends the aspect of picture downloading notification message, and the notification unit is specifically used for, and is used for message server transmission Indicate that the message server sends the instruction message of picture downloading notification message to the purpose user terminal, wherein described Instruction message includes the picture identification and the corresponding thumbnail of first picture of first picture.

6. access server according to claim 4, which is characterized in that

The issuing unit is also used to, and receives the carrying described first from the purpose user terminal in the receiving unit When the picture of the picture identification of picture downloads request, if the receiving unit has been received that whole figures of first picture Sheet data sends the instruction of the first data volume size to the purpose user terminal, wherein the first data volume size instruction is used In the data volume size for the whole image datas for indicating first picture；

Alternatively, the issuing unit is also used to, the carrying institute from the purpose user terminal is received in the receiving unit When stating the picture downloading request of the picture identification of the first picture, if the receiving unit does not receive the complete of first picture also Portion's image data sends the instruction of the second data volume size to the purpose user terminal, wherein the big little finger of toe of the second data volume Show and is used to indicate out the proportion threshold value or the second data volume size instruction to be used to indicate out the access server current Have received the data volume size of the image data of first picture.

7. a kind of communication system characterized by comprising

Access server, for receiving the image data of the first picture that source user terminal is transmitted to purpose user terminal and described The image data of the corresponding thumbnail of first picture；Receive the proportion threshold value from the source user terminal；When the access takes The ratio for whole image datas that the image data for first picture that business device receives accounts for first picture is greater than or waits When the proportion threshold value, instruction message server sends picture to the purpose user terminal and downloads notification message, the ratio Example threshold value is less than 100%；

The message server is sent under picture for the instruction according to the access server to the purpose user terminal Carry notification message, picture downloading notification message carries the image data and described the of the corresponding thumbnail of first picture The picture identification of one picture；The proportion threshold value is greater than or equal to the visible critical value of first picture；

The access server, if being also used to receive the picture of carrying first picture from the purpose user terminal The picture of mark downloads request, the image data of first picture transmitted and received to the purpose user terminal.