CN111845143A - Method and device for printing by handheld device - Google Patents
Method and device for printing by handheld device Download PDFInfo
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- CN111845143A CN111845143A CN202010663454.2A CN202010663454A CN111845143A CN 111845143 A CN111845143 A CN 111845143A CN 202010663454 A CN202010663454 A CN 202010663454A CN 111845143 A CN111845143 A CN 111845143A
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- printer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/36—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for portability, i.e. hand-held printers or laptop printers
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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
- G06F3/1286—Remote printer device, e.g. being remote from client or server via local network
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- Theoretical Computer Science (AREA)
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Abstract
The application aims at providing a method and equipment for printing by a handheld device, wherein the method comprises the steps of scanning all information for calling a printer on a PC (personal computer) through a printing transfer program running on the PC, and reporting the scanned information to an information management system service program running on network equipment; generating print task data through a related program running on the handheld device, and sending the print task data to the information management system service program; and receiving the data to be printed fed back by the information management system service program through the printing transfer program, and calling a system printing interface to print, wherein the data to be printed is determined by the information management system service program based on a target selected by a user, a printer and the printer task data. Through the form of PC machine transfer, solved the problem that android, iOS system lack the printer driver to the printer of various interfaces can be compatible.
Description
Technical Field
The present application relates to the field of computers, and in particular, to a method and an apparatus for printing with a handheld device.
Background
Many wireless handheld devices (such as palm computers, mobile phones, tablet computers, handheld game machines, etc.) do not have functional hardware for directly printing on current devices; common consumer-grade printers and industrial-grade printers rarely provide printing drivers on android and iOS operating systems, so that handheld devices cannot directly use the printers to print. The prior used technical scheme is as follows: integrating a small printer hardware module on the handheld device, and providing a printer driver for a manufacturer of the printer module to a manufacturer of the handheld device; and the handheld equipment directly generates printed paper on the handheld equipment by calling a local printer installed in the operating system for printing. However, the existing technical scheme is limited by the size of the handheld device, and the size of printed paper is limited. In a handheld device, the maximum number of sheets that can be stored is limited, and therefore the maximum number of pages that can be printed is limited. The handheld device provided with the printer hardware module is higher in price, so that the selectable brands and models of users are limited.
Disclosure of Invention
An object of the present application is to provide a method and an apparatus for printing by a handheld device, which solve the problems in the prior art that the size of the handheld device itself is limited, the maximum number of pages that can be printed is limited, and the price of the handheld device on which a printer hardware module is installed is higher.
According to one aspect of the application, a method of handheld device printing is provided, the method comprising:
scanning all information for calling printers on a PC through a printing transfer program running on the PC, and reporting the scanned information to an information management system service program running on network equipment;
generating print task data through a related program running on the handheld device, and sending the print task data to the information management system service program;
and receiving the data to be printed fed back by the information management system service program through the printing transfer program, and calling a system printing interface to print, wherein the data to be printed is determined by the information management system service program based on a target selected by a user, a printer and the printer task data.
Further, generating the print job data by the relevant program running on the handheld device includes:
the method comprises the steps of obtaining selection operation of a user on a handheld device, and generating printing task data based on the selection operation, wherein the selection operation comprises determination of a target working space.
Further, the method comprises:
And determining a printer information list under the target working space through the information management system service program.
Further, after generating the print job data by the relevant program running on the handheld device, the method includes:
acquiring a list of all printers in the target working space through the printing transfer program, and acquiring a target printer selected by the user from the list of all printers;
and reporting the name of the target printer and the corresponding printing task data to the information management system service program.
Further, before receiving the data to be printed fed back by the information management system service program through the print relay program, the method includes:
the information management system service program inquires a printer list under the target working space according to the machine name, the printer name and the current target working space;
if the record of the target printer is found in the printer list, acquiring a printing task queue corresponding to the target printer;
if the record of the target printer is not found in the printer list, newly adding the record of the target printer in the printer list, and acquiring a printer task queue corresponding to the target printer;
And summarizing the printer task queues obtained by inquiring the printer list so as to summarize the data to be printed.
Further, scanning all the called printers on the PC through a print relay program running on the PC, and reporting the scanned information to an information management system service program running on the network device includes:
scanning all equipment addresses of calling printers on a PC (personal computer) through a printing transfer program running on the PC;
determining the type of each called printer according to the path format to which the equipment address belongs, and determining the printer address, the printer name and the machine name according to the type, wherein the type comprises a local printer and a shared printer;
and reporting the printer address, the printer name and the machine name together with the identification information of the target working space to an information management system service program running on the network equipment.
Further, determining a printer address, a printer name, and a machine name according to the type includes:
if the type is a local printer, taking the printer address of the printer as a printer name and taking the PC machine name as a machine name;
And if the type is the shared printer, taking the UNC path to which the equipment address belongs as a printer address, splitting the UNC path, and obtaining a machine name and a printer name.
Further, calling a system printing interface to print, including:
calling a system printing interface by using a printer according to the target to which the data to be printed belongs, and informing the corresponding target to use the printer to actually print through the system printing interface;
and after a preset time interval, scanning all the information of the called printer on the PC through the transfer program again until the printing transfer program is closed.
Further, the acquiring a printer task queue corresponding to the target usage printer includes:
acquiring identification information of a target use printer selected by the user and corresponding printing task data;
searching a corresponding printing task queue according to the identification information of the target use printer;
adding the print job to the print job queue.
According to yet another aspect of the present application, there is also provided a system for handheld device printing, the system comprising: handheld devices, PCs and network devices,
Running a printing transfer program on the PC, scanning all information for calling the printer on the PC, and reporting the scanned information to the network equipment;
running a relevant program on the handheld device, generating print task data, and sending the print task data to the network device;
the network equipment runs an information management system service program and is used for receiving the information scanned by the printing transfer program and the printing task data generated on the handheld equipment;
and receiving the data to be printed fed back by the information management system service program through the printing transfer program, and calling a system printing interface to print, wherein the data to be printed is determined by the information management system service program based on a target selected by a user, a printer and the printer task data.
According to yet another aspect of the present application, there is also provided a handheld device printing device, the device comprising:
one or more processors; and
a memory storing computer readable instructions that, when executed, cause the processor to perform the operations of the method as previously described.
According to yet another aspect of the present application, there is also provided a computer readable medium having computer readable instructions stored thereon, the computer readable instructions being executable by a processor to implement the method as described above.
Compared with the prior art, the method and the system have the advantages that all information for calling the printer on the PC is scanned through the printing transfer program running on the PC, and the scanned information is reported to the information management system service program running on the network equipment; generating print task data through a related program running on the handheld device, and sending the print task data to the information management system service program; and receiving the data to be printed fed back by the information management system service program through the printing transfer program, and calling a system printing interface to print, wherein the data to be printed is determined by the information management system service program based on a target selected by a user, a printer and the printer task data. Through the form of PC machine transfer, solved the problem that android, iOS system lack the printer driver. The printer compatible with various interfaces can support a shared printer directly connected to a local area network through a network port, and can also support a printer connected to a PC through interfaces such as a USB, a serial port and a parallel port. The uniqueness of the printer can be identified, and even if a certain printer is shared by a plurality of PCs, only one piece of registration information of the printer can be seen on the information management system and the PDA device.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 illustrates a schematic block diagram of a system for handheld device printing according to one aspect of the present application;
FIG. 2 illustrates a hardware environment schema framework diagram in an embodiment of the subject application;
FIG. 3 illustrates a flow diagram of a method of handheld device printing provided in accordance with an aspect of the present application;
FIG. 4 is a flowchart illustrating a method for printing based on an information management system service program according to an embodiment of the present application;
FIG. 5 is a flowchart illustrating a method for printing by a PDA device in an embodiment of the present application.
The same or similar reference numbers in the drawings identify the same or similar elements.
Detailed Description
The present application is described in further detail below with reference to the attached figures.
In a typical configuration of the present application, the terminal, the device serving the network, and the trusted party each include one or more processors (e.g., Central Processing Units (CPUs)), input/output interfaces, network interfaces, and memory.
The Memory may include volatile Memory in a computer readable medium, Random Access Memory (RAM), and/or nonvolatile Memory such as Read Only Memory (ROM) or flash Memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, Phase-Change RAM (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), flash Memory or other Memory technology, Compact Disc Read-Only Memory (CD-ROM), Digital Versatile Disc (DVD) or other optical storage, magnetic cassette tape, magnetic tape storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include non-transitory computer readable media (transmyedia), such as modulated data signals and carrier waves.
Fig. 1 shows a schematic structural diagram of a system for handheld device printing according to an aspect of the present application, the system comprising: the system comprises a handheld device 11, a PC 12 and a network device 13, wherein a printing transfer program is run on the PC 12 and used for scanning all information for calling a printer on the PC 12 and reporting the scanned information to the network device 13; running a relevant program on the handheld device 11 to generate print job data and sending the print job data to the network device 13; the network device 13 runs an information management system service program, and is configured to receive information scanned by the print relay program and print job data generated on the handheld device 11; and receiving the data to be printed fed back by the information management system service program through the printing transfer program, and calling a system printing interface to print, wherein the data to be printed is determined by the information management system service program based on a target selected by a user, a printer and the printer task data. Here, the PC is a personal computer, and taking the installation of the Windows operating system as an example, the print relay program, the Windows print-related API, and the printer driver are run on the Windows operating system, the information management system service program is run on the network device, and the related program is run on the handheld device (PDA).
Specifically, the method comprises the following steps: as shown in the schematic diagram of the hardware environment mode framework shown in fig. 2, each local area network corresponds to a physical work space, and a user in one work space can walk to any one printer to take printed paper. The printer may be directly connected to the lan and shared (e.g., PRT _01), may be connected to the PC first and then shared by the PC in the lan (e.g., PRT _02A), or may be directly connected to the PC but not shared (e.g., PRT _02B, PRT _ 03). The printer may be connected by any one of the above three methods, or by any combination of a plurality of methods. The PDA device can access the information management system server (e.g., PDA _01) through a wireless access point in the lan, or can connect to the information management system server (e.g., PDA _02) through another secure network. Each local area network can be connected to an information management system server; each device can also communicate with the information management system server, and the information management system can be located in a superior local area network or a wide area network. The set printing transfer program needs to be installed on the PC, and when the PDA device is used, at least one PC is required to be started and the printing transfer program is required to be normally operated.
The network device described in this application may be one server, a plurality of servers connected via a local area network, a plurality of servers connected via the internet, or a cloud including a plurality of servers. Here, the Cloud is composed of a large number of computers or network servers based on Cloud Computing (Cloud Computing), which is a kind of distributed Computing, a super virtual computer composed of a group of loosely coupled computer sets.
In an embodiment of the present application, with continued reference to the block diagram of fig. 1, the information management system service program is a program running on the information management system server, and maintains a printer information list therein, and each printer in all the workspaces has a unique record in the list and a globally unique number; meanwhile, each printer corresponds to a print job queue. The related program on the PDA is a program running on the PDA, the program can create a new print task, and after a printer number is selected for the print task, the new print task is reported to the information management system service program, so that the information management system service program can add the print task into a print task queue corresponding to the printer number. The printing transfer program is a program running on a PC (Windows operating system), and can scan all printers that can be called by the PC, report to the information management system service program, receive printing task data returned by the information management system service program, and call a system printing interface (Windows printing API) to print. The printing data can be sent to the printer and the printer can be driven to complete the printing task through the Windows printing related API and the printer driver. Therefore, through the system, any type of PDA equipment can use a common consumption-level printer and an industrial-level printer to print through PC transfer. Under the management of an information management system, any number of PCs form a cluster, and as long as one PC in the cluster can normally operate, the whole printing process can be smoothly carried out. The printer compatible with various interfaces can support a shared printer directly connected to a local area network through a network port, and can also support a printer connected to a PC through interfaces such as a USB, a serial port and a parallel port. The uniqueness of the printer can be identified, and even if a certain printer is shared by a plurality of PCs, only one piece of registration information of the printer can be seen on the information management system and the PDA device.
Fig. 3 shows a flow diagram of a method of handheld device printing provided in accordance with an aspect of the present application, the method comprising: step S11 to step S13,
in step S11, scanning all the information of the called printers on the PC through the print relay program running on the PC, and reporting the scanned information to the information management system service program running on the network device; after the print relay program running on the PC is started, all printers that can be called by all the native computers are obtained by scanning through the Windows system print related API, and the information of all printers that can be called by all the native computers obtained by scanning is reported to the information management system service program running on the network device, where the information includes the device address, name, local area network where the printer is located, and the like.
In step S12, generating print job data by a related program running on the handheld device, and sending the print job data to the information management system service program; when the user operates the PDA, a piece of print task data is generated through a relevant program, and after a printer number is selected for the piece of print task, the print task data is reported to the information management system service program, so that the information management system service program adds the piece of print task into a print task queue corresponding to the printer number.
In step S13, the print relay program receives the data to be printed fed back by the information management system service program, and calls a system print interface to print, where the data to be printed is determined by the information management system service program based on the target selected by the user using the printer and the printer task data. After receiving the fed back data to be printed, the transfer program calls a Windows system API according to the printer to which the printer to be printed belongs, and informs the corresponding printer of performing actual printing work; wherein, the data to be printed is determined by the information management system service program according to the information reported by the printing transfer program and the target printer selected by the user and reported by the related program on the handheld device, and the data to be printed is matched with the target printer, if the print job is determined to include the print job 1 and the print job 2 according to the information reported by the print relay program, depending on the user's selection on the handheld device, print job 1 needs to be printed on target use printer A, print job 2 needs to be printed on target use printer B, the data to be printed, which is composed of the printing task 1 needing to be printed on the target printer A and the printing task 2 needing to be printed on the target printer B, is fed back to the printing transfer program, so that the corresponding printer is called to print the corresponding data needing to be printed. Through the form of PC machine transfer, solved the problem that android, iOS system lack the printer driver.
In an embodiment of the present application, in step S12, a selection operation of a user on a handheld device is obtained, and print job data is generated based on the selection operation, wherein the selection operation includes determining a target workspace. The printing transfer program starts to run, and selection operation of a user is obtained, wherein the selection operation comprises selection of a number of a target working space, the target working space is a current working space, each local area network corresponds to one physical working space, so that printers in one or more local area networks can be subsequently managed in an information management system service program according to the number of the selected current working space, and all local area networks, namely all printers corresponding to all working spaces, have a unique record in a printer information list and have a globally unique number; the PC in the working space local area network can be any one, can be one or a cluster, or can be a server provided with a Windows system and a printer driver, and the whole printing function can be used as long as at least one PC operates normally; in addition, the user of the PDA can select any printer under the workspace to print, and is not limited to a small printer on the PDA device.
Further, a list of printer information under the target workspace is determined by the information management system service. Here, the printer information list in the target workspace can be inquired by using the printer information list maintained inside the information management system service program and the number of the target workspace selected by the user.
In an embodiment of the application, after generating print task data by a related program running on a handheld device, a list of all printers in the target workspace can be obtained by the print relay program, and a target usage printer selected by the user from the list of all printers is obtained; and reporting the name of the target printer and the corresponding printing task data to the information management system service program. Here, as shown in fig. 4, after the user operates the PDA to generate print job data, a list of all printers in the target workspace (current workspace) is obtained by the information management system service program, the user is allowed to select which printer to use from the list of printers for printing, that is, the target printer to use, and the printer number selected by the user is reported to the information management system service program together with the printer job. It should be noted that, the PDA may not obtain the printer information list, but may attach a barcode label to each printer by an operator in each workspace, where the barcode content is a globally unique number of the printer, and a user may use the PDA to scan the barcode of the printer beside a target printer instead of selecting the printer from the printer information list.
With continued reference to fig. 4, identification information of the target-use printer selected by the user and corresponding print job data may be obtained; searching a corresponding printing task queue according to the identification information of the target use printer; adding the print job to the print job queue. Here, the information management system service program finds a corresponding print job queue according to a printer selected by a user, and adds print data to the print job queue.
In an embodiment of the present application, before receiving, by the print relay program, data to be printed, which is fed back by the information management system service program, the information management system service program may query, according to the machine name, the printer name, and a current target workspace, a printer list in the target workspace; if the record of the target printer is found in the printer list, acquiring a printing task queue corresponding to the target printer; if the record of the target printer is not found in the printer list, newly adding the record of the target printer in the printer list, and acquiring a printer task queue corresponding to the target printer; and summarizing the printer task queues obtained by inquiring the printer list so as to summarize the data to be printed. The information management system service program inquires a printer information list according to three conditions of a machine name, a printer name and a working space number reported by a printing transfer program, adds a new record if the printer record does not exist, registers the new record in the system and generates a globally unique number for the printer; if the record of the printer exists, finding a printer task queue corresponding to the printer to obtain task data to be printed, summarizing the two conditions, and returning the summarized task data to be printed to a printing transfer program; therefore, even if one printer is shared by a plurality of PCs, the information management system and the PDA device only see one copy of the registration information of the printer, and the situation of repeated registration does not occur.
In an embodiment of the present application, in step S11, the print intermediary program running on the PC scans device addresses of all calling printers on the PC; determining the type of each called printer according to the path format to which the equipment address belongs, and determining the printer address, the printer name and the machine name according to the type, wherein the type comprises a local printer and a shared printer; and reporting the printer address, the printer name and the machine name together with the identification information of the target working space to an information management system service program running on the network equipment. Here, the printing relay program scans all printer device addresses that can be called by the host computer, and determines whether each printer is a network sharing printer according to a path format to which the printer addresses belong, where the path format to which the printer addresses belong is, for example, a UNC format, and the UNC format is a naming rule of a universal, stable, and reliable network sharing device on Windows. That is, whether each printer is a network shared printer or a local printer is judged according to whether the printer address is in the UNC path format, so that the corresponding printer address, printer name, machine name and the identification information of the target workspace are reported to the information management system service program running on the network device. The printer in the embodiment of the application can be accessed into a network in any mode, can be directly shared into a local area network through a network port, and can also be connected to a PC; the printers may or may not be shared with the local area network after being connected to the PC, and can be used by the PDA device as long as the PC has the print intermediation program installed therein. Of course, the UNC path may not be split, and in another embodiment of the present application, the printer name of the local printer may be rewritten into the form of the UNC path, for example, if the current PC name is PC _03, and the printer name read from the Windows system API is PRT _03, the printer path is rewritten into "\\ \ PC _03\ PRT _ 03"; meanwhile, the UNC path of the local area network shared printer is not changed (such as "\ \ PC _02\ PRT _ 02A"); when the printer list is reported to the information management system service program, all printer paths (UNC paths) + workspace numbers are used.
Specifically, when determining a printer address, a printer name, and a machine name according to the type, if the type is a local printer, the printer address of the printer is used as the printer name, and the PC name is used as the machine name; and if the type is the shared printer, taking the UNC path to which the equipment address belongs as a printer address, splitting the UNC path, and obtaining a machine name and a printer name. If the printer is a local printer, the printer address is the printer name, and the local PC machine name and the printer name are reported to the information management system service program together with the number of the current working space; if the printer is shared, the printer address is a UNC path, wherein the UNC path is 'machine name \ printer name', the UNC path is divided into two items of an actual machine name and a printer name, the actual machine name is a fixed IP under the condition of pure network sharing of the printer, and the machine name and the printer name obtained by the division and the number (such as LAN _01) of the current working space are reported to the information management system service program together.
In an embodiment of the present application, a system printing interface may be called by using a printer according to a target to which the data to be printed belongs, and the system printing interface notifies a corresponding target to use the printer to perform actual printing; and after a preset time interval, scanning all the information of the called printer on the PC through the transfer program again until the printing transfer program is closed. After receiving the data to be printed, the print relay program calls a Windows system API according to the printer to which the data to be printed belongs, notifies the corresponding printer to perform actual printing, and scans information of all printers that can be called (for example, scans device addresses of all printers that can be called) on the PC again through the relay program after a preset time interval (for example, 1 hour) until the program is closed by the user.
Fig. 5 is a flowchart illustrating a method for printing by a PDA device according to an embodiment of the present invention, where after a printer relay program starts to run, a user selects a number of a current workspace, scans all printers that can be called by a PC according to the selected number, circularly processes each printer, determines whether a printer name is in a UNC path format, if so, splits the UNC path to obtain a machine name to which the shared printer belongs and a real name of the printer, otherwise, obtains the machine name of the current PC as the machine name to which the printer belongs, and after all the printers are completely processed, reports a list of the machine name to which the printer belongs and the printer name together with the current workspace number to an information management system service program; then, the information management system service program circularly processes each printer, judges whether the printer is recorded in the system, if so, obtains a task to be printed in a task queue corresponding to the printer, otherwise, registers the printer in the system and generates a globally unique number for the printer; summarizing the tasks to be printed corresponding to the printers under the two conditions, returning the data to be printed to the printing transfer program after all the printers are circularly processed, calling the corresponding printers by the printing transfer program to print, and scanning the printers which can be called by the PC again after a certain time interval until the programs are closed.
In addition, the embodiment of the present application also provides a computer readable medium, on which computer readable instructions are stored, and the computer readable instructions can be executed by a processor to implement the aforementioned method for printing by a handheld device.
In an embodiment of the present application, there is also provided a handheld device printing apparatus, including:
one or more processors; and
a memory storing computer readable instructions that, when executed, cause the processor to perform the operations of the method as previously described.
For example, the computer readable instructions, when executed, cause the one or more processors to:
scanning all information for calling printers on a PC through a printing transfer program running on the PC, and reporting the scanned information to an information management system service program running on network equipment;
generating print task data through a related program running on the handheld device, and sending the print task data to the information management system service program;
and receiving the data to be printed fed back by the information management system service program through the printing transfer program, and calling a system printing interface to print, wherein the data to be printed is determined by the information management system service program based on a target selected by a user, a printer and the printer task data.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
It should be noted that the present application may be implemented in software and/or a combination of software and hardware, for example, implemented using Application Specific Integrated Circuits (ASICs), general purpose computers or any other similar hardware devices. In one embodiment, the software programs of the present application may be executed by a processor to implement the steps or functions described above. Likewise, the software programs (including associated data structures) of the present application may be stored in a computer readable recording medium, such as RAM memory, magnetic or optical drive or diskette and the like. Additionally, some of the steps or functions of the present application may be implemented in hardware, for example, as circuitry that cooperates with the processor to perform various steps or functions.
In addition, some of the present application may be implemented as a computer program product, such as computer program instructions, which when executed by a computer, may invoke or provide methods and/or techniques in accordance with the present application through the operation of the computer. Program instructions which invoke the methods of the present application may be stored on a fixed or removable recording medium and/or transmitted via a data stream on a broadcast or other signal-bearing medium and/or stored within a working memory of a computer device operating in accordance with the program instructions. An embodiment according to the present application comprises an apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, trigger the apparatus to perform a method and/or a solution according to the aforementioned embodiments of the present application.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Claims (12)
1. A method of handheld device printing, the method comprising:
scanning all information for calling printers on a PC through a printing transfer program running on the PC, and reporting the scanned information to an information management system service program running on network equipment;
Generating print task data through a related program running on the handheld device, and sending the print task data to the information management system service program;
and receiving the data to be printed fed back by the information management system service program through the printing transfer program, and calling a system printing interface to print, wherein the data to be printed is determined by the information management system service program based on a target selected by a user, a printer and the printer task data.
2. The method of claim 1, wherein generating print job data by an associated program running on a handheld device comprises:
the method comprises the steps of obtaining selection operation of a user on a handheld device, and generating printing task data based on the selection operation, wherein the selection operation comprises determination of a target working space.
3. The method of claim 2, wherein the method comprises:
and determining a printer information list under the target working space through the information management system service program.
4. The method of claim 3, after generating the print job data by the associated program running on the handheld device, comprising:
Acquiring a list of all printers in the target working space through the printing transfer program, and acquiring a target printer selected by the user from the list of all printers;
and reporting the name of the target printer and the corresponding printing task data to the information management system service program.
5. The method according to claim 4, wherein before receiving the data to be printed fed back by the information management system service program through the print intermediation program, the method comprises:
the information management system service program inquires a printer list under the target working space according to the machine name, the printer name and the current target working space;
if the record of the target printer is found in the printer list, acquiring a printing task queue corresponding to the target printer;
if the record of the target printer is not found in the printer list, newly adding the record of the target printer in the printer list, and acquiring a printer task queue corresponding to the target printer;
And summarizing the printer task queues obtained by inquiring the printer list so as to summarize the data to be printed.
6. The method of claim 1, wherein scanning all calling printers on the PC through a print intermediation program running on the PC and posting the scanned information to an information management system service program running on the network device comprises:
scanning all equipment addresses of calling printers on a PC (personal computer) through a printing transfer program running on the PC;
determining the type of each called printer according to the path format to which the equipment address belongs, and determining the printer address, the printer name and the machine name according to the type, wherein the type comprises a local printer and a shared printer;
and reporting the printer address, the printer name and the machine name together with the identification information of the target working space to an information management system service program running on the network equipment.
7. The method of claim 6, wherein determining a printer address, a printer name, and a machine name from the type comprises:
if the type is a local printer, taking the printer address of the printer as a printer name and taking the PC machine name as a machine name;
And if the type is the shared printer, taking the UNC path to which the equipment address belongs as a printer address, splitting the UNC path, and obtaining a machine name and a printer name.
8. The method of claim 1, wherein invoking a system print interface to print comprises:
calling a system printing interface by using a printer according to the target to which the data to be printed belongs, and informing the corresponding target to use the printer to actually print through the system printing interface;
and after a preset time interval, scanning all the information of the called printer on the PC through the transfer program again until the printing transfer program is closed.
9. The method of claim 5, wherein obtaining a printer task queue corresponding to the target-use printer comprises:
acquiring identification information of a target use printer selected by the user and corresponding printing task data;
searching a corresponding printing task queue according to the identification information of the target use printer;
adding the print job to the print job queue.
10. A system for handheld device printing, the system comprising: handheld devices, PCs and network devices,
Running a printing transfer program on the PC, scanning all information for calling the printer on the PC, and reporting the scanned information to the network equipment;
running a relevant program on the handheld device, generating print task data, and sending the print task data to the network device;
the network equipment runs an information management system service program and is used for receiving the information scanned by the printing transfer program and the printing task data generated on the handheld equipment;
and receiving the data to be printed fed back by the information management system service program through the printing transfer program, and calling a system printing interface to print, wherein the data to be printed is determined by the information management system service program based on a target selected by a user, a printer and the printer task data.
11. An apparatus for handheld device printing, the apparatus comprising:
one or more processors; and
a memory storing computer readable instructions that, when executed, cause the processor to perform the operations of the method of any of claims 1 to 9.
12. A computer readable medium having computer readable instructions stored thereon which are executable by a processor to implement the method of any one of claims 1 to 9.
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