CN110750222A - Printing method, printing device, computer equipment and storage medium - Google Patents
Printing method, printing device, computer equipment and storage medium Download PDFInfo
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- CN110750222A CN110750222A CN201910886034.8A CN201910886034A CN110750222A CN 110750222 A CN110750222 A CN 110750222A CN 201910886034 A CN201910886034 A CN 201910886034A CN 110750222 A CN110750222 A CN 110750222A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
- G06F3/1285—Remote printer device, e.g. being remote from client or server
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
- G06F3/1285—Remote printer device, e.g. being remote from client or server
- G06F3/1287—Remote printer device, e.g. being remote from client or server via internet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The application relates to a printing method, a printing device, a computer device and a storage medium. The method comprises the following steps: the cloud server acquires a printing request, wherein the printing request is sent to the cloud server by a user terminal and comprises a user identifier; the cloud server searches corresponding printing information and a printing terminal according to the user identification; the cloud server sends the printing information to the printing terminal so that the printing terminal sends the printing information to the printer for printing. Because the printer connected with the printing terminal can be any type of printer, the user terminal can send the data to be printed to the printer of any type connected with the remote printing terminal through the cloud server to print, the user requirement is greatly met, and the compatibility of the printer types in the remote cloud printing is improved.
Description
Technical Field
The present application relates to the field of printing technologies, and in particular, to a printing method, an apparatus, a computer device, and a storage medium.
Background
The traditional software printing mode is to print or call the printing service of system printing through a browser, and directly print to a printer connected through Bluetooth or a local area network. With the development of printing technology, cloud printing technology appears, and in the traditional cloud printing technology, a printer needs to be connected to the Internet, data needing to be printed are uploaded to a cloud server through the Internet, a mobile phone network or application software, and are issued to the printer bound and connected to the Internet through the cloud server, so that remote cloud printing is achieved.
At present, a small number of printers in the market support remote cloud printing, but the printers are high in price and low in market share, so that the demands of most users cannot be met. At present, remote cloud printing can be realized through some software, but the remote cloud printing mode generally has requirements on the type of a printer, for example, after a customer places an order, a bluetooth thermal printer needs to be prepared in a merchant store to print out an order receipt, and the problem of low printer compatibility exists.
Disclosure of Invention
Based on this, it is necessary to provide a printing method, an apparatus, a computer device and a storage medium for solving the technical problems that the conventional cloud printing technology cannot meet the requirements of most users and has low compatibility with printer models.
In order to achieve the above object, in one aspect, an embodiment of the present application provides a printing method, including:
the method comprises the steps that a cloud server obtains a printing request sent by a user terminal, wherein the printing request comprises a user identifier;
the cloud server searches corresponding printing information and a printing terminal according to the user identification;
the cloud server sends the printing information to the printing terminal so that the printing terminal sends the printing information to the printer for printing.
In one embodiment, before the cloud server searches for corresponding print information and a print terminal according to the user identifier, the method further includes:
the cloud server receives a WebSocket connection establishment request sent by the printing terminal, the WebSocket connection establishment request comprises a printing identifier of the printing terminal, and the printing identifier and the user identifier have a corresponding relation, so that the cloud server searches for the corresponding printing terminal according to the user identifier.
In this embodiment, the cloud server sends the print information to the print terminal, and specifically includes: and the cloud server pushes the printing information to a printing terminal corresponding to the user identification through WebSocket.
In one embodiment, the pushing, by the cloud server, the printing information to the printing terminal corresponding to the user identifier through the WebSocket specifically includes:
the cloud server sends the printing information to a message queue;
the cloud server pushes the printing information in the message queue to a printing terminal corresponding to the user identification through WebSocket;
if the cloud server acquires a printing information pushing failure notice, pushing the printing information in the message queue to a printing terminal corresponding to the user identifier through WebSocket again within a preset condition;
and if the cloud server fails to push the printing information within the preset conditions, returning a notification of the failure of pushing the printing information to the user terminal.
In one embodiment, before the cloud server sends the print information to the print terminal, the method further includes:
and the cloud server assembles the printing information and generates data to be printed.
In this embodiment, the cloud server sends the print information to the print terminal, and specifically includes: and the cloud server sends the data to be printed to the printing terminal.
In one embodiment, the method further comprises:
the printing terminal receives printing information sent by the cloud server, and the printing information is searched by the cloud server according to a user identifier included in a printing request sent by the user terminal;
and the printing terminal calls a preset printer to print the printing information according to the user identification.
In one embodiment, before the print terminal receives the print information sent by the cloud server, the method further includes:
the printing terminal sends a WebSocket connection establishing request to the cloud server, the WebSocket connection establishing request comprises a printing identifier of the printing terminal, and the printing identifier and the user identifier have a corresponding relation, so that the cloud server searches for the corresponding printing terminal according to the user identifier.
In this embodiment, the receiving, by the print terminal, the print information sent by the cloud server specifically includes: and the printing terminal receives the printing information pushed by the cloud server according to the user identification through the WebSocket.
In one embodiment, after the printing terminal sends the request for establishing the WebSocket connection to the cloud server, the method further includes:
the printing terminal displays a connected printer list, wherein the printer list comprises printer identifications;
the printing terminal acquires a printer selected according to the connected printer list;
and the printing terminal establishes the association relationship between the printer identifier corresponding to the selected printer and the printing identifier.
In this embodiment, the method for printing the print information by the print terminal calls a preset printer according to the user identifier includes: and the printing terminal calls a printer associated with the printing identifier to print the printing information according to the user identifier.
In one embodiment, after the printing terminal receives the printing information sent by the cloud server, the method further includes:
the printing terminal performs format conversion on the printing information to generate printing data.
In this embodiment, the method for printing the print information by the print terminal calls a preset printer according to the user identifier includes: and the printing terminal calls a preset printer to print the printing data according to the user identification.
In one embodiment, after the printing terminal calls a preset printer to print the printing information according to the user identifier, the method further includes:
the printing terminal receives a printing completion notification sent by the printer;
and the printing terminal sends the printing completion notification to the cloud server so that the cloud server sends the printing completion notification to the user terminal.
On the other hand, the embodiment of the present application further provides a printing apparatus, and the apparatus includes:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring a printing request sent by a user terminal, and the printing request comprises a user identifier;
the data searching module is used for searching corresponding printing information and printing terminals according to the user identification;
and the sending module is used for sending the printing information to the printing terminal so that the printing terminal sends the printing information to the printer for printing.
On the other hand, an embodiment of the present application further provides a printing terminal, where the printing terminal includes:
the receiving module is used for receiving the printing information sent by the cloud server, and the printing information is searched by the cloud server according to the user identification included in the printing request sent by the user terminal;
and the printing module is used for calling a preset printer to print the printing information according to the user identification.
In yet another aspect, an embodiment of the present application further provides a computer device, which includes a memory and a processor, where the memory stores a computer program, and the processor implements the steps of the above method when executing the computer program.
In yet another aspect, the present application further provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the steps of the above method.
According to the printing method, the printing device, the computer equipment and the storage medium, after the cloud server obtains the printing request sent by the user terminal, the corresponding printing information and the printing terminal are searched according to the user identification contained in the printing request, the cloud server sends the printing information to the printing terminal corresponding to the user identification, and after the printing terminal receives the printing information, the printing information is printed by calling any connected printer. Because the printer connected with the printing terminal can be any type of printer, the user terminal can send the data to be printed to the printer of any type connected with the remote printing terminal through the cloud server to print, the user requirement is greatly met, and the compatibility of the printer types in the remote cloud printing is improved.
Drawings
FIG. 1 is a diagram of an application environment of a printing method in one embodiment;
FIG. 2 is a schematic flow chart of a printing method in one embodiment;
FIG. 3 is a schematic flow chart of a printing method in one embodiment;
FIG. 4 is a schematic flow chart diagram of a printing method in one embodiment;
FIG. 5 is a schematic flow chart diagram illustrating a printing method in one embodiment;
FIG. 6 is a schematic flow chart diagram illustrating a printing method in one embodiment;
FIG. 7 is a block diagram showing the configuration of a printing apparatus according to an embodiment;
FIG. 8 is a block diagram showing the configuration of a print terminal in one embodiment;
FIG. 9 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The printing method provided by the application can be applied to the application environment shown in FIG. 1. The application environment includes a user terminal 102, a cloud server 104, and a print terminal 106. The user terminal 102 and the cloud server 104 communicate with each other through a network. The cloud server 104 and the print terminal 106 communicate via a network. The cloud server 104 receives a print request sent by the user terminal 102, where the print request includes a user identifier. The cloud server 104 searches the print information and the print terminal 106 according to the user identifier, and sends the print information to the print terminal 106. The printing terminal 106 receives the printing information sent by the cloud server 104, and prints the printing information by calling a printer connected to the printing terminal 106. The user terminal 102 and the print terminal 106 may be, but are not limited to, various personal computers, notebook computers, smart phones, tablet computers, and portable wearable devices, and the cloud server 104 may be implemented by an independent server or a server cluster composed of a plurality of servers.
In one embodiment, as shown in fig. 2, a printing method is provided, which is described by taking the method as an example applied to the cloud server 104 in fig. 1, and includes the following steps:
step 202, the cloud server obtains a print request sent by the user terminal, where the print request includes a user identifier.
The user identifier is used for uniquely identifying the user terminal and the corresponding printing terminal, and the user identifier may be a mailbox address, an access account, ID information, and the like, which is not limited herein. Specifically, the user may trigger a print request through the user terminal. The user terminal sends the printing request to the cloud server, and the printing request comprises the user identification, so that the cloud server can search corresponding printing information and the printing terminal according to the user identification.
And step 204, the cloud server searches corresponding printing information and printing terminals according to the user identification.
The printing terminal may be a remote printing terminal relative to the user terminal, and data may be sent and received between the printing terminal and the user terminal through the cloud server, for example, the user terminal may be a terminal device in beijing, and the printing terminal may be a terminal device in shanghai, which is not limited herein. The printing terminal and the user terminal may establish a corresponding relationship through the user identifier, which is not limited herein. The print information may be data that the user needs to print, such as sales documents, documents in various formats, and the like, and is not limited herein. The print information may be pre-stored in the cloud server through a user terminal corresponding to the user identifier, which is not limited herein. Specifically, after acquiring a print request sent by a user terminal, the cloud server searches for corresponding print information and a print terminal according to a user identifier included in the print request. Further, the print information may also be input by the user through a user terminal. And the user terminal sends the printing request to the cloud server, so that the cloud server acquires the user identifier and the corresponding printing information according to the printing request.
In step 206, the cloud server sends the printing information to the printing terminal, so that the printing terminal sends the printing information to the printer for printing.
The printer may be any type of printer connected to the printing terminal, and may be a thermal bluetooth printer, a stylus printer, a laser printer, and the like, which is not limited herein. Specifically, after finding the corresponding printing information and printing terminal according to the user identifier, the cloud server sends the printing information to the printing terminal corresponding to the user identifier, so that the printing terminal can send the printing information to any connected printer, and the printing information is printed by the printer.
In the printing method, after the cloud server acquires the printing request sent by the user terminal, the corresponding printing information and the printing terminal are searched according to the user identification contained in the printing request, the cloud server sends the printing information to the printing terminal corresponding to the user identification, and after the printing terminal receives the printing information, the printing information is printed by calling any connected printer. Because the printer connected with the printing terminal can be any type of printer, the user terminal can send the data to be printed to the printer of any type connected with the remote printing terminal through the cloud server to print, the user requirement is greatly met, and the compatibility of the printer types in the remote cloud printing is improved.
In an embodiment, before the cloud server searches for corresponding printing information and a printing terminal according to the user identifier, the cloud server may further receive a request for establishing a WebSocket connection sent by the printing terminal, where the request for establishing the WebSocket connection includes the printing identifier of the printing terminal, and the printing identifier and the user identifier have a corresponding relationship, so that the cloud server searches for the corresponding printing terminal according to the user identifier.
Among them, WebSocket is a protocol for full duplex communication over a single TCP connection. The printing identification is used for distinguishing different printing terminals, the printing identification can be a mailbox address, an access account, ID information and the like, and the printing identification and the user identification can establish a corresponding relation through the mailbox address, the access account, the ID information and the like.
Specifically, a print user may trigger a request for establishing the WebSocket connection through the print terminal, where the request for establishing the WebSocket connection includes a print identifier of the print terminal. The printing terminal sends a Websocket connection establishment request including the printing identification to the cloud server, so that the cloud server and the printing terminal keep real-time communication through the Websocket. After the cloud server obtains the print request sent by the user terminal, the print identifier and the user identifier can establish a corresponding relationship through a mailbox address, an access account, ID information and the like, so that the cloud server can find the corresponding print identifier according to the user identifier contained in the print request, and determine the print terminal corresponding to the user identifier, so that the cloud server can push the print information corresponding to the user identifier to the corresponding print terminal in real time through WebSocket. In this embodiment, the cloud server sends the print information to the print terminal, and specifically includes: and the cloud server pushes the printing information to a printing terminal corresponding to the user identification through WebSocket.
For example, the user terminal may be set in a company in beijing, the print terminal may be set in a warehouse of the company in shanghai, and the print terminal of the shanghai warehouse sends a request for establishing a WebSocket connection to the cloud server, where the request includes the print identifier. The user identifier of the user terminal of the beijing company and the print identifier of the print terminal of the shanghai warehouse may establish a corresponding relationship by the same ID information, which is not limited herein. When a user terminal of a beijing company needs to print an invoice through a printing terminal of a shanghai warehouse, a printing request may be transmitted to a cloud server. The cloud server searches the printing information and the printing identification corresponding to the user identification by identifying the user identification in the printing information, and sends the searched printing information to the corresponding printing terminal.
In this embodiment, by establishing a one-to-one correspondence relationship between the user identifier and the print identifier, the cloud server can search for the print terminal corresponding to the print identifier according to the user identifier, and can send the print information to the designated print terminal. The cloud server keeps real-time communication with the printing terminal through the WebSocket, so that the cloud server can actively and timely push the printing information to the designated printing terminal after finding the printing information, the printing terminal does not need to access to obtain the printing information, and the information transmission efficiency in remote cloud printing is improved.
In one embodiment, as shown in fig. 3, the pushing, by the cloud server, the print information to the print terminal corresponding to the user identifier through the WebSocket specifically includes the following steps:
step 302, the cloud server sends the printing information to a message queue.
A Message Queue (Message Queue) is a container for storing messages during the transmission of the messages. And after finding the printing information according to the user identification contained in the acquired printing request, the cloud server sends the printing information corresponding to the user identification to the message queue.
And step 304, the cloud server pushes the printing information in the message queue to a printing terminal corresponding to the user identifier through WebSocket.
Specifically, the printing identifier and the user identifier may establish a corresponding relationship through a mailbox address, an access account, ID information, and the like, so that the cloud server may find the corresponding printing identifier according to the user identifier included in the printing request, thereby determining the printing terminal corresponding to the user identifier. And after finding the printing information corresponding to the user identification, the cloud server sends the printing information corresponding to the user identification to the message queue. And the cloud server sends the printing information corresponding to the user identification in the message queue to the corresponding printing terminal by identifying the user identification of the printing information in the message queue.
Step 306, if the cloud server obtains the print information pushing failure notification, the print information in the message queue is pushed to the print terminal corresponding to the user identifier through the WebSocket again within the preset condition.
Wherein the preset condition may be any one of a preset period and a preset number of times. The cloud server can acquire a notification of printing information pushing failure from the printing terminal according to the TCP connection protocol. Specifically, the cloud server sends the printing information corresponding to the user identifier in the message queue to the corresponding printing terminal by identifying the user identifier of the printing information in the message queue. If the cloud server obtains the notification of the printing information pushing failure from the printing terminal, the printing information corresponding to the user identifier can be pushed to the corresponding printing terminal again through the Websocket within the preset condition. For example, the preset condition may be that the print information is pushed to the printing terminal again through the WebSocket every 1 minute, and the number of times of pushing the print information to the printing terminal again does not exceed 6 times in total.
And 308, if the cloud server fails to push the printing information within the preset conditions, returning a notification of the failure of pushing the printing information to the user terminal.
Specifically, if the print information is failed to be pushed to the print terminal corresponding to the user identifier by the cloud server within the preset condition, the cloud server searches for the corresponding user identifier through the print identifier of the print terminal, and returns a notification of the failure in pushing the print information to the user terminal corresponding to the user identifier. Continuing to take the preset condition as an example, if the cloud server still obtains the print information push failure notification sent by the print terminal after pushing the print information to the print terminal corresponding to the user identifier for 6 times, the cloud server determines the corresponding user identifier according to the print identifier of the print terminal, and returns a print information push failure notification to the user terminal corresponding to the user identifier.
In this embodiment, the printing information is added to the message queue, and the corresponding printing terminal is determined according to the user identifier of the printing information in the message queue. When the cloud server fails to push the printing information to the corresponding printing terminal, the printing information can be reserved through the information queue, and the printing information is pushed to the corresponding printing terminal again in the preset condition until the pushing is successful in the preset condition, so that the stability of the printing information transmission process is improved.
In one embodiment, before the cloud server sends the printing information to the printing terminal, the cloud server may further assemble the printing information to generate the data to be printed.
The data to be printed can be data to be sent to the printing terminal by the cloud server for printing, and the format of the data to be printed can be data convenient for the printing terminal to analyze. Specifically, after the cloud service finds the printing information corresponding to the user identifier, the printing information is assembled, and the data to be printed corresponding to the user identifier is generated. For example, the printing information may be assembled into data to be printed in a Json format, which is not limited herein. In this embodiment, the cloud server sends the print information to the print terminal, specifically including the cloud server sending the data to be printed to the print terminal. Specifically, after the printing information is assembled, the cloud server generates data to be printed corresponding to the user identifier, and sends the data to be printed to the printing terminal corresponding to the user identifier for printing.
In this embodiment, after the cloud server assembles the printing information corresponding to the user identifier into the data to be printed, the corresponding printing terminal is determined according to the user identifier, and the data to be printed is sent to the corresponding printing terminal, so that the data to be printed can be conveniently read and analyzed by the subsequent printing terminal.
In one embodiment, as shown in fig. 4, a printing method is provided, which is exemplified by the method applied to the printing terminal 106 in fig. 1, and includes the following steps:
step 402, the printing terminal receives printing information sent by the cloud server, and the printing information is searched by the cloud server according to a user identifier included in a printing request sent by the user terminal.
The user identifier is used for uniquely identifying the user terminal and the printing terminal, and the user identifier may be a mailbox address, an access account, ID information, and the like of the user, which is not limited herein. The printing terminal may be a remote printing terminal relative to the user terminal, and data may be sent and received between the printing terminal and the user terminal through the cloud server, for example, the user terminal may be a terminal device in beijing, and the printing terminal may be a terminal device in shanghai, which is not limited herein. The printing terminal and the user terminal may establish a corresponding relationship through the user identifier, which is not limited herein. The print information may be data that the user needs to print, such as sales documents, documents in various formats, and the like, and is not limited herein. The print information may be pre-stored in the cloud server through a user terminal corresponding to the user identifier, which is not limited herein. Specifically, after acquiring a print request sent by a user terminal, the cloud server searches for corresponding print information and a print terminal according to a user identifier included in the print request. And the cloud server sends the printing information to a printing terminal corresponding to the user identification. The printing terminal receives the printing information. Further, the print information may also be input by the user through a user terminal. And the user terminal sends the printing request to the cloud server, so that the cloud server acquires the user identifier and the corresponding printing information according to the printing request.
And step 404, the printing terminal calls a preset printer to print the printing information according to the user identification.
The preset printer may be any printer corresponding to the preset user identifier. The printer may be any type of printer connected to the printing terminal, and may be a thermal bluetooth printer, a stylus printer, a laser printer, etc., which is not limited herein. Specifically, after receiving printing information sent by the cloud server according to the user identification, the printing terminal searches for a corresponding preset printer according to the user identification, calls the preset printer through a system component, and sends the printing information to the preset printer for printing.
In this embodiment, after receiving the printing information sent by the cloud server, the printing terminal calls a preset printer to print according to the user identifier included in the printing information. Because the printer connected with the printing terminal can be any type of printer, the compatibility of the printer types in the remote cloud printing is greatly improved.
In an embodiment, before the print terminal receives print information sent by the cloud server according to the user identifier, the print terminal may further send a request for establishing the WebSocket connection to the cloud server, where the request for establishing the WebSocket connection includes the print identifier of the print terminal, and the print identifier and the user identifier have a corresponding relationship, so that the cloud server searches for the corresponding print terminal according to the user identifier.
Among them, WebSocket is a protocol for full duplex communication over a single TCP connection. The printing identifier is used for distinguishing different printing terminals, the printing identifier may be a mailbox address, an access account, ID information, and the like, and the printing identifier and the user identifier may establish a corresponding relationship through the mailbox address, the access account, the ID information, and the like, which is not limited herein. Specifically, a print user can trigger a request for establishing the WebSocket connection through the print terminal, where the request for establishing the WebSocket connection includes a print identifier of the print terminal. And the printing terminal sends the establishment request of the Websocket connection and the printing identification to the cloud server, so that the cloud server and the printing terminal keep real-time communication through the Websocket. After the cloud server obtains the printing request sent by the user terminal, the corresponding printing identification is found according to the user identification contained in the printing request, and the corresponding relation can be established between the printing identification and the user identification through the mailbox address, the network access account, the ID information and the like, so that the cloud server can find the corresponding printing identification according to the user identification contained in the printing request, the printing terminal corresponding to the user identification is determined, and the cloud server can push the printing information corresponding to the user identification to the corresponding printing terminal in real time through WebSocket. In this embodiment, the receiving, by the print terminal, the print information sent by the cloud server specifically includes: and the printing terminal receives the printing information pushed by the cloud server according to the user identification through the WebSocket.
For example, the user terminal may be set in a company in beijing, the print terminal may be set in a warehouse of the company in shanghai, and the print terminal of the shanghai warehouse sends a request for establishing a WebSocket connection to the cloud server, where the request includes the print identifier. The user identifier of the user terminal of the beijing company and the print identifier of the print terminal of the shanghai warehouse may establish a corresponding relationship by the same ID information, which is not limited herein. When a user terminal of a beijing company needs to print an invoice through a printing terminal of a shanghai warehouse, a printing request may be transmitted to a cloud server. The cloud server searches the printing information and the printing identification corresponding to the user identification by identifying the user identification in the printing information, and sends the searched printing information to the corresponding printing terminal.
In this embodiment, the print terminal sends a request for establishing the WebSocket connection to the cloud server, the request for establishing the WebSocket connection includes the print identifier, and the cloud server can search the print terminal corresponding to the print identifier according to the user identifier by establishing a one-to-one correspondence relationship between the user identifier and the print identifier, so that print information can be received through the designated print terminal. The printing terminal keeps real-time communication with the cloud server through the WebSocket, so that the cloud server can actively and timely push the printing information to the designated printing terminal after finding the printing information, the printing terminal does not need to access to obtain the printing information, and the efficiency of remote cloud printing is improved.
In one embodiment, as shown in fig. 5, after the printing terminal sends the request for establishing the WebSocket connection to the cloud server, the method further includes the following steps:
in step 502, the printing terminal displays a connected printer list, where the printer list includes printer identifiers.
The printer identifier is used to distinguish different printers, and may be a printer name, a printer model, or the like, which is not limited herein. Specifically, after the printing terminal and the cloud server establish communication connection through WebSocket, the printing terminal may display a connected printer list to the printing user, so that the printing user may select an applicable printer according to the printer list.
In step 504, the printer selected from the connected printer list is acquired.
Step 506, the association relationship between the printer identifier corresponding to the selected printer and the print identifier is established.
Specifically, the print user may trigger a request to select a printer through the print terminal. The printing terminal acquires the information of the printer selected by the printing user, determines the printer identifier of the selected printer according to the information of the selected printer, and establishes the association relationship between the printer identifier and the printing identifier.
In this embodiment, the method for printing the print information by the print terminal according to the user identifier includes:
and step 508, the printing terminal calls a printer associated with the printing identifier to print the printing information according to the user identifier.
Wherein the preset printer may be a selected printer. Specifically, since the printing identifier and the user identifier may establish a corresponding relationship through a mailbox address, an access account, ID information, and the like, after receiving the printing information corresponding to the user identifier from the cloud server, the printing terminal may identify the selected printer associated with the printing identifier according to the user identifier, and send the printing information to the printer associated with the printing identifier for printing.
In this embodiment, the connected printer list is displayed to the printing user, so that the printing user can preview the connected printer through the printer list, select a printer to be used, and establish an association relationship between the print identifier of the printing terminal and the selected printer identifier. After the printing terminal receives the printing information corresponding to the user identification, the selected printer associated with the printing identification is determined through the user identification, so that the printing information can be printed out through the selected printer, the user can print out the printing information through the appointed printer model conveniently, the operation is simple and rapid, and the requirements of the user are met.
In one embodiment, after the printing terminal receives the printing information sent by the cloud server, the printing terminal may further perform format conversion on the printing information to generate printing data.
Specifically, after receiving the printing information sent by the cloud server according to the user identifier, the printing terminal may perform format conversion on the printing information to generate printing data corresponding to the user identifier. For example, the format may be converted to pdf format, but is not limited thereto. In this embodiment, the method for calling, by the print terminal, the preset print information of the printer according to the user identifier specifically includes: and the printing terminal calls a preset printer to print the printing data according to the user identification. Specifically, the preset printer may be any printer corresponding to a preset user identifier. The printing terminal searches for the corresponding preset printer according to the user identification, calls the preset printer through the system component, and sends the printing data to the preset printer for printing.
In an embodiment, after the printing terminal calls a preset printer to print the printing information according to the user identifier, the printing terminal may further receive a printing completion notification sent by the printer, and send the printing completion notification to the cloud server, so that the cloud server sends the printing completion notification to the user terminal.
Specifically, after the printer completes printing, a notification of completion of printing may be returned to the printing terminal. And the printing terminal sends the printing completion notification to the cloud server. The cloud service identifies the user identification corresponding to the printing terminal through the printing completion notification, searches the corresponding user terminal according to the user identification, and sends the printing completion notification to the user terminal.
In this embodiment, the printing terminal receives the printing completion notification sent by the printer, and sends the printing completion notification to the corresponding user terminal through the cloud server, so that the user terminal can learn the conditions of printing success or printing failure, and a user can conveniently perform the next operation according to the printing result.
In one embodiment, the printing method is further described by a specific embodiment, as shown in fig. 6, comprising the steps of:
step 601, the cloud server obtains a print request sent by the user terminal, wherein the print request includes a user identifier.
Step 602, the cloud server receives a WebSocket connection establishment request sent by the printing terminal. The WebSocket connection establishment request comprises a printing identifier of the printing terminal, and the printing identifier and the user identifier have a corresponding relation, so that the cloud server searches for the corresponding printing terminal according to the user identifier.
Step 603, the printing terminal displays the connected printer list, and the printer list comprises printer identifiers.
In step 604, the printing terminal acquires a printer selected according to the connected printer list.
Step 605, the printing terminal establishes an association relationship between the printer identifier corresponding to the selected printer and the printing identifier.
And 606, the cloud server searches corresponding printing information and printing terminals according to the user identification.
In step 607, the cloud server assembles the printing information and generates data to be printed.
In step 608, the cloud server sends the data to be printed to a message queue.
Step 609, the cloud server pushes the data to be printed in the message queue to the printing terminal through WebSocket.
Step 610, the printing terminal performs format conversion on the data to be printed to generate printing data.
In step 611, the printing terminal calls a printer associated with the printing identifier according to the user identifier.
In step 612, the printing terminal sends the print data to the printer.
In step 613, the printer prints the received print data.
In step 614, the printing terminal receives a printing completion notification sent by the printer.
And step 615, the printing terminal sends the printing completion notification to the cloud server.
In step 616, the cloud server sends a print completion notification to the user terminal.
It should be understood that although the various steps in the flow charts of fig. 1-6 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 1-6 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
In one embodiment, as shown in fig. 7, there is provided a printing apparatus 700 comprising: an obtaining module 701, a data searching module 702 and a sending module 703, wherein:
an obtaining module 701, configured to obtain a print request sent by a user terminal, where the print request includes a user identifier.
And a data searching module 702, configured to search for corresponding printing information and printing terminal according to the user identifier.
The sending module 703 is configured to send the print information to the printing terminal, so that the printing terminal sends the print information to the printer for printing.
In one embodiment, the system further includes a communication connection module, configured to receive a request for establishing the WebSocket connection sent by the print terminal, where the request for establishing the WebSocket connection includes a print identifier of the print terminal, and the print identifier and the user identifier have a corresponding relationship, so that the cloud server searches for the corresponding print terminal according to the user identifier.
In an embodiment, the sending module 703 is further configured to send the print information to a message queue, and push the print information in the message queue to a print terminal corresponding to the user identifier through WebSocket.
In one embodiment, the printing system further comprises a data assembling module for assembling the printing information and generating the data to be printed. The sending module 703 is further configured to send data to be printed to the printing terminal.
For specific limitations of the printing apparatus, reference may be made to the above limitations of the printing method, which are not described herein again. The respective modules in the above-described printing apparatus may be implemented in whole or in part by software, hardware, and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, as shown in fig. 8, there is provided a printing terminal 800 comprising: a receiving module 801 and a printing module 802, wherein:
the receiving module 801 is configured to receive print information sent by the cloud server, where the print information is found by the cloud server according to a user identifier included in a print request sent by a user terminal.
And a printing module 802, configured to invoke a preset printer to print the printing information according to the user identifier.
In one embodiment, the system further includes a communication connection request module, configured to send a request for establishing the WebSocket connection to the cloud server, where the request for establishing the WebSocket connection includes a print identifier of the print terminal, and the print identifier and the user identifier have a corresponding relationship, so that the cloud server searches for the corresponding print terminal according to the user identifier.
In one embodiment, the printer further comprises a display module for displaying a connected printer list, the printer list comprising printer identifications; the printer management system further comprises a second acquisition module for acquiring the printer selected according to the connected printer list.
In one embodiment, the printing system further comprises a format conversion module for performing format conversion on the printing information to generate printing data.
In one embodiment, the printer further comprises a second receiving module, configured to receive a print completion notification sent by the printer; and the second sending module is used for sending the printing completion notification to the cloud server so that the cloud server sends the printing completion notification to the user terminal.
For the specific definition of the printing terminal, reference may be made to the above definition of the printing method, which is not described herein again. The respective modules in the above-described printing terminal may be entirely or partially implemented by software, hardware, and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 9. The computer device includes a processor, a memory, a network interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a printing method. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 9 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program:
the method comprises the steps that a cloud server obtains a printing request sent by a user terminal, wherein the printing request comprises a user identifier; the cloud server searches corresponding printing information and a printing terminal according to the user identification; the cloud server sends the printing information to the printing terminal so that the printing terminal sends the printing information to the printer for printing.
In one embodiment, before the cloud server searches for corresponding printing information and printing terminal according to the user identifier, the processor, when executing the computer program, implements the following steps:
the cloud server receives a WebSocket connection establishment request sent by the printing terminal, the WebSocket connection establishment request comprises a printing identifier of the printing terminal, and the printing identifier and the user identifier have a corresponding relation, so that the cloud server searches for the corresponding printing terminal according to the user identifier.
In this embodiment, the cloud server sends the print information to the print terminal, and specifically includes: and the cloud server pushes the printing information to a printing terminal corresponding to the user identification through WebSocket.
In one embodiment, the processor, when executing the computer program, performs the steps of:
the cloud server sends the printing information to a message queue; the cloud server pushes the printing information in the message queue to a printing terminal corresponding to the user identification through WebSocket; if the cloud server acquires a printing information pushing failure notice, pushing the printing information in the message queue to a printing terminal corresponding to the user identifier through WebSocket again within a preset condition; and if the cloud server fails to push the printing information within the preset conditions, returning a notification of the failure of pushing the printing information to the user terminal.
In one embodiment, before the cloud server sends the print information to the print terminal, the processor when executing the computer program implements the steps of:
and the cloud server assembles the printing information and generates data to be printed.
In one embodiment, the processor, when executing the computer program, performs the steps of:
the printing terminal receives printing information sent by the cloud server, and the printing information is searched by the cloud server according to a user identifier included in a printing request sent by the user terminal; and the printing terminal calls a preset printer to print the printing information according to the user identification.
In one embodiment, before the print terminal receives the print information sent by the cloud server, the processor when executing the computer program implements the following steps:
the printing terminal sends a WebSocket connection establishing request to the cloud server, the WebSocket connection establishing request comprises a printing identifier of the printing terminal, and the printing identifier and the user identifier have a corresponding relation, so that the cloud server searches for the corresponding printing terminal according to the user identifier.
In one embodiment, after the print terminal sends the request for establishing the WebSocket connection to the cloud server, the processor, when executing the computer program, implements the following steps:
the printing terminal displays a connected printer list, wherein the printer list comprises printer identifications; the printing terminal acquires a printer selected according to the connected printer list; and the printing terminal establishes the association relationship between the printer identifier corresponding to the selected printer and the printing identifier.
In one embodiment, after the print terminal receives the print information sent by the cloud server, the processor when executing the computer program implements the following steps:
the printing terminal performs format conversion on the printing information to generate printing data.
In one embodiment, after the printing terminal calls a preset printer to print the printing information according to the user identification, the processor executes the computer program to realize the following steps:
the printing terminal receives a printing completion notification sent by the printer; and the printing terminal sends the printing completion notification to the cloud server so that the cloud server sends the printing completion notification to the user terminal.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
the method comprises the steps that a cloud server obtains a printing request sent by a user terminal, wherein the printing request comprises a user identifier; the cloud server searches corresponding printing information and a printing terminal according to the user identification; the cloud server sends the printing information to the printing terminal so that the printing terminal sends the printing information to the printer for printing.
In one embodiment, before the cloud server searches for corresponding print information and print terminal according to the user identifier, the computer program when executed by the processor implements the following steps:
the cloud server receives a WebSocket connection establishment request sent by the printing terminal, the WebSocket connection establishment request comprises a printing identifier of the printing terminal, and the printing identifier and the user identifier have a corresponding relation, so that the cloud server searches for the corresponding printing terminal according to the user identifier.
In one embodiment, the computer program when executed by the processor implements the steps of: the cloud server sends the printing information to a message queue; the cloud server pushes the printing information in the message queue to a printing terminal corresponding to the user identification through WebSocket; if the cloud server acquires a printing information pushing failure notice, pushing the printing information in the message queue to a printing terminal corresponding to the user identifier through WebSocket again within a preset condition; and if the cloud server fails to push the printing information within the preset conditions, returning a notification of the failure of pushing the printing information to the user terminal.
In one embodiment, before the cloud server sends the print information to the print terminal, the computer program when executed by the processor implements the steps of:
and the cloud server assembles the printing information and generates data to be printed.
In one embodiment, the computer program when executed by the processor implements the steps of:
the printing terminal receives printing information sent by the cloud server, and the printing information is searched by the cloud server according to a user identifier included in a printing request sent by the user terminal; and the printing terminal calls a preset printer to print the printing information according to the user identification.
In one embodiment, before the print terminal receives the print information sent by the cloud server, the computer program when executed by the processor implements the steps of:
the printing terminal sends a WebSocket connection establishing request to the cloud server, the WebSocket connection establishing request comprises a printing identifier of the printing terminal, and the printing identifier and the user identifier have a corresponding relation, so that the cloud server searches for the corresponding printing terminal according to the user identifier.
In one embodiment, after the print terminal sends a request for establishing a WebSocket connection to the cloud server, the computer program when executed by the processor implements the steps of:
the printing terminal displays a connected printer list, wherein the printer list comprises printer identifications; the printing terminal acquires a printer selected according to the connected printer list; and the printing terminal establishes the association relationship between the printer identifier corresponding to the selected printer and the printing identifier.
In one embodiment, after the print terminal receives the print information sent by the cloud server, the computer program when executed by the processor implements the steps of:
the printing terminal performs format conversion on the printing information to generate printing data.
In one embodiment, after the printing terminal calls a preset printer to print the printing information according to the user identification, the computer program when executed by the processor implements the following steps:
the printing terminal receives a printing completion notification sent by the printer; and the printing terminal sends the printing completion notification to the cloud server so that the cloud server sends the printing completion notification to the user terminal.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (13)
1. A method of printing, the method comprising:
the method comprises the steps that a cloud server obtains a printing request sent by a user terminal, wherein the printing request comprises a user identifier;
the cloud server searches corresponding printing information and printing terminals according to the user identification;
and the cloud server sends the printing information to the printing terminal so that the printing terminal sends the printing information to a printer for printing.
2. The method according to claim 1, before the cloud server searches for corresponding printing information and printing terminal according to the user identifier, further comprising:
the cloud server receives a WebSocket connection establishment request sent by the printing terminal, wherein the WebSocket connection establishment request comprises a printing identifier of the printing terminal, and the printing identifier and the user identifier have a corresponding relation, so that the cloud server searches for the corresponding printing terminal according to the user identifier;
the cloud server sends the printing information to the printing terminal, and the method comprises the following steps:
and the cloud server pushes the printing information to a printing terminal corresponding to the user identification through WebSocket.
3. The method of claim 2, wherein the pushing, by the cloud server, the printing information to the printing terminal corresponding to the user identifier through a WebSocket includes:
the cloud server sends the printing information to a message queue;
the cloud server pushes the printing information in the message queue to the printing terminal corresponding to the user identifier through WebSocket;
if the cloud server acquires a printing information pushing failure notice, pushing the printing information in the message queue to a printing terminal corresponding to the user identifier through WebSocket again within a preset condition;
and if the cloud server fails to push the printing information within the preset conditions, returning a notification of the failure of pushing the printing information to the user terminal.
4. The method according to claim 1, before the cloud server sends the printing information to the printing terminal, further comprising:
the cloud server assembles the printing information to generate data to be printed;
the cloud server sends the printing information to the printing terminal, and the method comprises the following steps:
and the cloud server sends the data to be printed to the printing terminal.
5. A method of printing, the method comprising:
the method comprises the steps that a printing terminal receives printing information sent by a cloud server, wherein the printing information is searched by the cloud server according to a user identifier included in a printing request sent by a user terminal;
and the printing terminal calls a preset printer to print the printing information according to the user identification.
6. The method according to claim 5, before the printing terminal receives the printing information sent by the cloud server, further comprising:
the printing terminal sends a WebSocket connection establishment request to the cloud server, the WebSocket connection establishment request comprises a printing identifier of the printing terminal, and the printing identifier and the user identifier have a corresponding relation, so that the cloud server searches for the corresponding printing terminal according to the user identifier;
the printing terminal receives printing information sent by the cloud server, and the method comprises the following steps:
and the printing terminal receives the printing information pushed by the cloud server according to the user identification through the WebSocket.
7. The method according to claim 6, wherein after the printing terminal sends the request for establishing the WebSocket connection to the cloud server, the method further comprises:
the printing terminal displays a connected printer list, wherein the printer list comprises printer identifications;
the printing terminal acquires a printer selected according to the connected printer list;
the printing terminal establishes an association relation between a printer identifier corresponding to the selected printer and the printing identifier;
the printing terminal calls a preset printer to print the printing information according to the user identification, and the method comprises the following steps:
and the printing terminal calls a printer associated with the printing identifier to print the printing information according to the user identifier.
8. The method according to claim 5, wherein after the printing terminal receives the printing information sent by the cloud server, the method further comprises:
the printing terminal performs format conversion on the printing information to generate printing data;
the printing terminal calls a preset printer to print the printing information according to the user identification, and the method comprises the following steps:
and the printing terminal calls a preset printer to print the printing data according to the user identification.
9. The method according to claim 5, wherein after the printing terminal calls a preset printer to print the printing information according to the user identifier, the method further comprises:
the printing terminal receives a printing completion notification sent by the printer;
and the printing terminal sends the printing completion notification to the cloud server so that the cloud server sends the printing completion notification to the user terminal.
10. The printing device is characterized in that the printing device is arranged at a cloud server side, and the printing device comprises:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring a printing request sent by a user terminal, and the printing request comprises a user identifier;
the data searching module is used for searching corresponding printing information and printing terminals according to the user identification;
and the sending module is used for sending the printing information to the printing terminal so that the printing terminal sends the printing information to a printer for printing.
11. A printing terminal, characterized in that the printing terminal comprises:
the system comprises a receiving module, a sending module and a processing module, wherein the receiving module is used for receiving printing information sent by a cloud server, and the printing information is searched by the cloud server according to a user identifier included in a printing request sent by a user terminal;
and the printing module is used for calling a preset printer to print the printing information according to the user identification.
12. A computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor implements the steps of the method of any one of claims 1 to 9 when executing the computer program.
13. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 9.
Priority Applications (2)
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| CN201910886034.8A CN110750222A (en) | 2019-09-19 | 2019-09-19 | Printing method, printing device, computer equipment and storage medium |
| PCT/CN2019/123882 WO2021051664A1 (en) | 2019-09-19 | 2019-12-09 | Printing method and apparatus, computer device and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910886034.8A CN110750222A (en) | 2019-09-19 | 2019-09-19 | Printing method, printing device, computer equipment and storage medium |
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| CN110750222A true CN110750222A (en) | 2020-02-04 |
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| CN113535102A (en) * | 2021-09-16 | 2021-10-22 | 飞天诚信科技股份有限公司 | Intelligent Internet of things platform system, working method thereof and computer readable storage medium |
| CN116541107A (en) * | 2023-06-26 | 2023-08-04 | 平安银行股份有限公司 | Peripheral calling method, device, terminal and medium |
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