JP2006285461A - Web server device and web client device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problems wherein a user needs to remember the URL of a Web server that has been requested last time, and the designated value of print parameters designated on the HTML page of the Web server, when the user wishes to download and print data that are downloaded and printed by designating print parameters by designating the same print parameters again. <P>SOLUTION: When requesting distribution to the Web server, a request parameter for indicating history information client storage is designated, and a request parameter for printing designated in downloading, the thumbnail of the print image of the data, and the server URL are acquired from the downloaded data and are stored as history information. When the user refers to the history information via a UI and clicks the thumbnail image, downloading and printing are made by requesting to the server URL written on the history information with the request parameters written on the history information. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a group of Web server computers connected to a network such as the Internet or an intranet, a group of Web client computers that download print data from the server computer, and generate a print job from the print data. The present invention relates to a Web server device and a Web client device according to a printing system including an output device group such as a local printer or a network printer of each client computer that outputs a print job transmitted from a client computer.

  Currently, a Web printing system as described below has been devised using a server computer and a client computer connected to a network such as the Internet or an intranet, and a printer, and is realized as a known system.

Web printing system [1] A user uses a general-purpose Web browser of a client to specify print parameters in an HTML input form of a Web page provided by a Web server, and issues an HTTP request to the Web server.

  [2] The Web server receives the HTTP request from the client, creates HTTP response data for the Web print client application, and distributes it to the general-purpose Web browser.

  [3] The general-purpose Web browser activates the corresponding Web print client application from the MIME type designation of the received HTTP response data, and passes the response data distributed from the Web server.

  [4] The Web print client application converts the print file data included in the response data into a print job, designates the print parameters included in the response data, and transmits the print parameters to the printer.

  Further, the data specified in the HTML input form of the Web page described in [1] and the server embeds the specified value as job information in the HTTP response data described in [2] is as follows. In the Web printing system, it is used as an HTTP parameter.

Job information Print attribute: Job name, Print attribute: Number of copies, Print attribute: Duplex printing, Print attribute: Paper cassette, Print attribute: Print start page, Print attribute: Print end page

  In addition to the above, there are the following HTTP parameters that are specified in the HTML input form of the Web page described in [1] and notify the Web server of how to generate HTTP response data.

-Output data specification Output type: Type of Web printing client application to be started Printing file: Specify file on server Output form: Preview or direct printing in client application Distribution mode: Data distribution mode to client Driver name: Printer driver used when generating a print job on the client Printer name: Printer to which the client sends a print job

Further, the response data once printed by the Web printing client application is deleted after the printing process mainly from the viewpoint of security data maintenance in the client computer.
JP 2000-284937 A

Therefore, conventionally, in such a Web printing system, when the user wants to download and print the Web printing data previously delivered from the server and printed by the client application from the server in the same manner, Previous information-Web server information that downloaded the HTML input form-Job setting parameter group specified in the downloaded HTML input form-Remember the parameter group that specifies the data to be generated on the server specified in the HTML input form. It is necessary to specify the same Web server information and the same HTML parameters again in the browser, make a data distribution request to the server, and download and print the data again.

  The present invention has been made in order to solve the above-mentioned problems. From the viewpoint of security mainly, in a Web client that does not hold past download data, reprinting of data distributed from a Web server is performed last time. Web server device and Web client that downloads print data set with the same job information as the previous printing by referring to the output image at the time of printing from the same server as the previous printing and prints the same as the previous printing An object is to provide an apparatus.

In order to achieve the above object, the first Web server device of the present invention provides:
A print request parameter providing means for providing a document to be printed on the client device and a value that can be set as a print attribute to the document to the client as a print request parameter;
Similar to the request parameter providing unit for printing, a request parameter providing unit for history storage that provides a client with a request parameter for history storage, as a request parameter indicating that the client device performs history storage of print data;
A client request receiving means for receiving a request including a request parameter for printing provided by the request parameter providing means for printing and a request parameter for saving history provided by the request parameter providing means for saving history from a client device;
A print request parameter value acquisition unit that acquires the value of the print request parameter from the request data received by the client request reception unit;
A history storage request parameter value acquisition means for acquiring a value of the history storage request parameter from the request data received by the client request reception means;
Printing intermediate data generating means for generating intermediate data for printing in which the printing attribute specified by the parameter is set in the print document specified by the parameter based on the request parameter value for printing acquired by the request parameter value acquiring means for printing;
Response data generating means for generating response data for a request from the client, using the printing intermediate data generated by the printing intermediate data generating means as a data body;
History saving request parameter value identifying means for identifying whether the parameter value obtained by the history saving request parameter value obtaining means is a value for requesting history saving at the client;
Server information embedding means for embedding information of the server apparatus from which the client apparatus sent a request parameter in the response data generated by the response data generating means;
All request parameter embedding means for embedding all request parameters sent from the client device in the response data;
Response data transmitting means for transmitting the response data to the client device.

In order to achieve the above object, the first Web client device of the present invention provides:
Print request parameter setting means for setting a value by a user to a print request parameter provided by the server device;
A history storage request parameter setting means for setting a value to a history storage request parameter provided by the server device by a user;
Request parameter sending means for sending the print request parameter and the history saving request parameter value set by the user to the server using the printing request parameter setting means and the history saving request parameter setting means;
Response data receiving means for receiving response data for the request data sent to the server device by the request parameter sending means from the server;
A history storage request parameter inclusion determination means for determining whether or not a history storage request parameter is included in the response data received by the response data reception means;
Server information acquisition means for acquiring information of the server device embedded in the response data; all request parameter acquisition means for acquiring all request parameters embedded in the response data;
Printing intermediate data extracting means for extracting the printing intermediate data which is the body of the response data;
A print job generation unit that generates the print job data by drawing the intermediate print data extracted by the intermediate print data extraction unit;
A print image thumbnail generating unit that generates a print image thumbnail when generating the print job data from the print intermediate data by the print job generating unit;
Print job transmission means for transmitting the print job generated by the print job generation means to a predetermined printing device;
Print data deletion means for deleting the print job data and the printing intermediate data transmitted to the printing apparatus by the print job transmission means;
Three pieces of information including the thumbnail generated by the print image thumbnail generation unit, the server information acquired by the server information acquisition unit, and all the request parameters acquired by the all request parameter acquisition unit are collectively stored as one print history. Printing history storage means to
Is provided.

In order to achieve the above object, the first Web client device of the present invention displays a list of thumbnail images so that all thumbnail images stored in the print history storage unit can be selected by the user. Means,
When the thumbnail displayed by the thumbnail list display means is selected by the user, the server information read together with the thumbnail data and all the request parameters are read from the print history saving means when the user selects the thumbnail. Means,
Request direct transmission means for transmitting a request to the server information read by the server request parameter reading means using the request parameter that has been read.

  In order to achieve the above object, the printing apparatus to which the first Web client apparatus of the present invention transmits the print job by the print job transmitting means is a local printer or network connected to the Web client apparatus. The Web client device is automatically selected based on a value set in the print request parameter, or is arbitrarily selected by an operator of the Web client device. Features.

  In order to achieve the above object, the second Web client device of the present invention includes the history storage request parameter setting unit, the request parameter sending unit, and the response data receiving unit of the first Web client device. The means is realized by a general-purpose Web browser.

  In order to achieve the above object, the general-purpose Web browser that operates on the second Web client device of the present invention provides a MIME that indicates the type of body data of the HTTP response specified in the Content-Type header of the HTTP response. According to the type, a print Web client application is started, and HTTP response body data is passed to the application.

In order to achieve the above object, a second Web server device of the present invention includes a Web page transmission unit that transmits a Web page requested by the Web client device to the Web client device,
Request data receiving means for receiving, as a request from the Web client, a form input by a user on the Web page sent to the Web client device by the Web page transmitting means;
Response data generating means for generating response data based on the request parameter of the Web client received by the request data receiving means;
Response data transmitting means for sending response data generated by the response data generating means to the Web client;
Is provided.

  In order to achieve the above object, a third Web server device according to the present invention provides the print request parameter providing unit and the history storage request parameter providing unit of the first Web server device to a Web client. Provided in the form of an HTML form that can be displayed and input by the browser of the device, and receives the HTTP request generated by the user input to the HTML form in the browser by the client request reception means, and by the response data transmission means The HTTP response is transmitted.

  In order to achieve the above object, the intermediate data for printing used in the first Web server device and the first Web client device of the present invention is the FCM and CSM of Canon imageware form manager, or Adobe's PDF It is data of a document file format capable of storing print settings such as (Portable Document Format).

  In order to achieve the above object, the print job data generated from the intermediate print data by the print job generation unit by the first Web client device of the present invention is directly generated by a printer such as PDL (Page Description Language). There is print image description data that can be interpreted.

  In order to achieve the above object, the fourth Web server device and the third Web client device of the present invention are the intermediate data for printing used by the first Web server device and the first Web client device. Rather, it uses print image description data that can be directly interpreted by a printer such as PDL (Page Description Language).

  In order to achieve the above object, the server information embedded in the response data by the server information embedding means in the first Web server apparatus of the present invention is a protocol of a communication path that connects the Web server apparatus and the Web client apparatus. And a port number of the Web server device, a domain name of the Web server device, and the like.

  In order to achieve the above object, the print request parameter provided to the client by the print request parameter providing means in the first Web server device of the present invention is a file name or file identifier on the server used for printing, And print document name, printer driver name, printer name, print job name, print copy number, duplex copy setting, print paper cassette, print start page, print end page, and client application for printing It is characterized by the type and the data distribution mode to the client.

  In order to achieve the above object, the server information embedding unit and the all request parameter embedding unit in the first Web server apparatus of the present invention include a printing intermediate generated by the response data generating unit as a body of the response data. Each data is embedded in an “extended area” defined as a file format of the data.

  In order to achieve the above object, in the fifth Web server device of the present invention, the server information embedded in the response data by the server information embedding means is information on the storage server that stores the response data transmitted to the client device. It is characterized by.

[Action]
In this configuration, the print request parameter provided by the print request parameter providing unit of the first Web server apparatus, and the history storage request parameter provided by the history storage request parameter providing unit of the apparatus The user sets the request parameter setting unit for printing and the request parameter setting unit for history storage of the first Web client device,
The request parameter sending means is used to send a request to the Web server device.

The Web server apparatus receives the request from the client apparatus by the client request receiving unit,
The print request parameter value obtaining means obtains the print request parameter value from the request data,
Based on the print request parameter value, the print intermediate data generation means sets the parameter specification print attribute to the document data of the file on the parameter specification server, and generates the print intermediate data. The intermediate data for printing is generated as a main body of response data by the response data generating means.

  Further, the history storage request parameter value acquisition means acquires the history storage request parameter value from the request data, and the history storage request parameter value identification means determines that the request parameter value is “save. In the response data, the server information of the apparatus is embedded in the response data by the server information embedding unit, and all the request parameters received from the client device are embedded by the all request parameter embedding unit.

  Finally, the Web server apparatus transmits the response data to the client apparatus by the response data transmission unit.

  The transmitted response data is received by the Web client device by the response data receiving means, and from the received response data, the Web client device is the main body of the response data by the intermediate data extraction means for printing. The intermediate data for printing is extracted, and the history storage request parameter inclusion determination unit determines whether the response data includes a history storage request parameter. When it is determined that the history storage request parameter is included, the server information acquisition unit acquires the server device information embedded in the response data, and the all request parameter acquisition unit acquires the response data. Get all request parameters embedded in.

  The Web client device generates a print image thumbnail by the print image thumbnail generation unit when the print job generation unit generates the print job data by drawing the print intermediate data.

  The Web client device transmits the print job data generated by the print job generation unit to a predetermined printing device by the print job transmission unit, and the print job data that has been transmitted is transmitted by the print data deletion unit. Delete together with intermediate data for printing.

  The Web client device stores the thumbnail, the server information, and all the request parameters as a piece of information as a piece of print history information by the print history storage unit.

  The Web client apparatus displays a list of all thumbnail images stored in the print history storage unit so that the user can select them by the thumbnail list display unit.

  When one of the thumbnail groups is selected by the user, the server request parameter reading unit reads the server information and all request parameters stored together with the thumbnail data in the print history storage unit, and the request The direct transmission means transmits the request for the request parameter to the predetermined Web server apparatus based on the server information by a predetermined communication method, and receives the response from the Web server by the response data receiving means as in the previous time. .

  In this way, mainly from a security point of view, in a Web client such as the first Web client device that does not hold past download data locally, the user uses the first Web client device for printing the previous time. Without remembering the values specified by the request parameter setting means and the history saving request parameter setting means, the next print data transmission to a predetermined Web server device is performed by the same Web server specification and the same print parameter specification as the previous time. A request can be made to acquire and print the data.

  According to the present invention, print data downloaded in the past is not stored locally, and print data having the same print attributes as the previous time is downloaded from the same server as the previous time under the same request conditions and printed. There is an effect that can be done.

  Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to examples.

  FIG. 1 is a block diagram illustrating the configuration of a server computer showing a first embodiment of the present invention.

  In the figure, reference numeral 1000 denotes a server computer, which includes a CPU 101 that executes processing based on a program or the like stored in a ROM 103, and comprehensively controls each device connected to the system bus 104.

  Reference numeral 102 denotes a RAM which functions as a main memory, work area, and the like for the CPU 101.

  Reference numeral 103 denotes a ROM which stores a control program for the CPU 101 and various data as shown in the flowchart of FIG.

  A keyboard controller (KBC) 105 controls key input from a keyboard 109 or a pointing device (not shown).

  Reference numeral 106 denotes a CRT controller (CRTC), which controls display on a CRT display (CRT) 110.

  A speaker controller (SPC) 113 controls sound reproduction of the speaker 114.

  A disk controller (DKC) 107 is a hard disk (HD) 111 for storing a boot program, various applications, font data, user files, edit files, etc., and an external memory such as a floppy (registered trademark) disk (FD) 112. Control access.

  A network controller (NC) 108 is connected to the network via a predetermined network interface 121 and executes communication control processing with other network devices.

  FIG. 2 is a block diagram illustrating the configuration of the client computer according to the embodiment of the present invention.

  In the figure, reference numeral 2000 denotes a client computer, which includes a CPU 201 that executes processing based on a program or the like stored in a ROM 203, and comprehensively controls each device connected to the system bus 204.

  A RAM 202 functions as a main memory, work area, and the like for the CPU 201.

  A ROM 203 stores a control program for the CPU 201 and various data as shown in the flowcharts of FIGS.

  A keyboard controller (KBC) 205 controls input from a keyboard 209 or a pointing device (not shown).

  Reference numeral 206 denotes a CRT controller (CRTC), which controls display on a CRT display (CRT) 210.

  A speaker controller (SPC) 213 controls sound reproduction of the speaker 214.

  A disk controller (DKC) 207 stores a boot program, various applications such as a Web browser, a printing helper application, a history printing application, various device drivers such as a printer driver, a user file, an editing file, a history file, and the like. Controls access to an external memory such as a hard disk (HD) 211 and a floppy (registered trademark) disk (FD) 212.

  A network controller (NC) 208 is connected to the network via a predetermined network interface 221 and executes communication control processing with other network devices.

  FIG. 3 is a system configuration diagram showing the first embodiment of the present invention.

  In the figure, 1000 is the server computer 1000 in FIG. 1, 2000 is the client computer 2000 in FIG. 2, 3000 is the printer, and each is connected by a transmission line 4000.

  An embodiment in the system configured as described above will be described with reference to the flowcharts of FIGS.

[First Example]
FIG. 4 is a flowchart showing a first embodiment of the present invention in a server computer.

When the CPU 101 of the server computer 1000 receives a server resource transmission request by URL designation from the Web browser of the client 2000 (step S4-1),
A designated HTML page as shown in FIG. 8 stored in the hard disk 111 is transmitted (step S4-2).

In the form (definition section by form tag) in the HTML page sent to the Web browser of the client 2000, the form is filled in and sent by the operator, an HTTP request is issued, an HTTP connection with the client 2000 is established, and the network When the HTTP request is received via the interface 121 (step S4-3),
The value of the print request parameter is acquired from the HTTP request parameter (step S4-4),
A designated file included in the parameter (fm-formfilename, fm-fielddatafilename, fm-fielddatafilename, fm-mainformfile, fm-resourcefile in the HTML form in FIG. 8) is read from the hard disk 111 (step S5).
The document data of the file includes print attributes (fm-driver, fm-printer, fm-ncopy, fm-duplex, fm-cassette, fm-printstartpage, fm-printendpage, etc. in the HTML form of FIG. 8). (Equivalent to that) is set, and intermediate data for printing is generated (step S4-6).

In the HTTP request parameters received in step S4-3, a parameter indicating that the print history of the print data is stored in the client device (referred to as “client history save parameter”. Fm-clienthistory save in the HTML form of FIG. 8). Is equivalent) (step S4-7),
It is checked whether or not the parameter value is a value indicating “save” (the equivalent of “fm-clienthistory save” in the HTML form of FIG. 8) (step S4-8), and the value indicating “save” If there is
Information necessary for connection from the client, such as the protocol, server location, and resource location used in the HTTP connection information with the client 2000, is embedded as server information of this apparatus in the extended area of the intermediate data for printing (step S4- 9),
In addition, the information of all request parameters included in the HTTP request is embedded in the same manner as in step S4-9 (step S4-10).

Then, the intermediate data for printing is stored in the body part of HTTP response data corresponding to the HTTP request (step S4-11),
An HTTP response is transmitted to the client device 2000 (step S4-12),
The process ends.

  If the client history storage parameter is not included in the step S4-7, or the value of the client history storage parameter indicates “not stored” in the step S4-8 (HTML form in FIG. 8). Fm-clienthistorysave no in step S4-11 and step S4-12 are executed, and the process is terminated.

  FIG. 5 is a flowchart showing a first embodiment of the present invention in a client computer.

  The CPU 201 of the client computer 2000 starts up a Web browser, which is one of various applications stored in the hard disk 211, in response to input from the keyboard 209 or pointing device by the operator (step S5-1).

The Web browser operated by the CPU 201 receives an input from the keyboard 209 or the pointing device, and requests transmission of information to a server that matches a URL including information such as a protocol, a server position, and a resource position (Step S5-2). ),
A designated HTML page as shown in FIG. 8 is received from the server via the network interface 221 and displayed on the browser screen (step S5-3).

  Various parameters are set by the operator on the HTML page displayed on the Web browser, and when HTML form transmission is selected on the HTML page, the Web browser sends an HTTP request together with the set parameters to the server 1000. To start an HTTP connection with the server (step S5-4).

When the Web browser receives an HTTP response from the server 1000 via the HTTP connection with the server (step S5-5),
The Web browser starts a print helper application, which is one of various applications stored in the hard disk 211, in accordance with the MIME Media Type set in the Content-Type attribute of the header part of the HTTP response data. The body part data of the HTTP response data is passed to the printing helper application (step S5-6).

The print helper application that is started by the Web browser and that is operated by the CPU 201 searches the extended area part of the intermediate data for printing that is the body part data of the HTTP response data passed at the time of start-up. When it is detected that data of “save parameter” is included (step S5-7),
Server information is read from the extended area of the intermediate data for printing and stored in the RAM 202 (step S5-8).

  Further, the printing helper application reads all the request parameter information from the extended area of the printing intermediate data, and similarly stores it in the RAM 202 (step S5-9).

Then, the printing helper application expands and renders the printing intermediate data on the RAM 202, generates a print image thumbnail as shown in 7000 in FIG. 7 (step S5-10),
Print history for the printing helper application stored in the hard disk 211 with the generated thumbnail, the server information stored in the RAM 202 in step S5-8, and all the request parameter information stored in the RAM 202 in step S5-9. The file is stored as one piece of print history information (step S5-11).

  Then, the printing helper application re-expands the printing intermediate data on the RAM 202, performs drawing using a printer driver that is one of various device drivers stored in the hard disk 211, and outputs the printing intermediate data. The print attribute set in the data is transferred to the printer driver to generate a print job (step S5-12).

  The generated print job is transmitted to the printer 3000 via the network interface 221 by the printer driver that the CPU 201 operates (step S5-13).

Thereafter, the printing helper application deletes the printing intermediate data and the temporary work data remaining on the RAM 202 (step S5-14),
The process ends.

  If it is detected in step S5-7 that the “client history storage parameter” data is not included, steps S5-12 and S5-14 are executed, and the process ends.

  The web browser corresponds to a general-purpose web browser such as Microsoft Internet Explorer.

  The intermediate data for printing corresponds to an FCM file or a CSM file in Canon imageware form manager.

  FIG. 6 is a flowchart showing history printing in the first embodiment of the present invention on the client computer.

  The CPU 201 of the client computer 2000 receives an input from the operator using the keyboard 209 or the pointing device, and activates a history printing application that is one of various applications stored in the hard disk 211 (step S6-1).

The history printing application operated by the CPU 201 acquires printing history data from the printing history file for the printing helper application (step S6-2).
All thumbnails included in the data as a print history are displayed as a list on the CRT display 210 in the display format as shown in FIG. 7 (step S6-3).

When one of the thumbnails displayed in a list is selected by an input by an operator using the keyboard 209 or a pointing device (step S6-4),
HTTP request data is generated using the server information and all request parameter information stored in the print history data as one print history information together with the selected thumbnail (step S6-5),
With the connection information indicated in the server information, an HTTP connection is established to the server 1000, and the HTTP request data is transmitted (step S6-6).

When the history print application receives an HTTP response from the server 1000 via an HTTP connection with the server (step S6-7),
The history print application starts a print helper application that is one of various applications stored in the hard disk 211 in accordance with the MIME Media Type set in the Content-Type attribute of the header part of the HTTP response data. The body part data of the HTTP response data is passed to the printing helper application (step S6-8).

  The printing helper application that is activated by the history printing application and is operated by the CPU 201 expands the intermediate data for printing, which is the body data of the HTTP response data passed at the time of activation, on the RAM 202, and the hard disk 211 A drawing is performed using a printer driver which is one of various device drivers stored in the printer driver, and a print attribute set in the intermediate data for printing is passed to the printer driver to generate a print job (step S6-9).

  The generated print job is transmitted to the printer 3000 via the network interface 221 by the printer driver that is operated by the CPU 201 (step S6-10).

Thereafter, the printing helper application deletes the printing intermediate data and the temporary work data remaining on the RAM 202 (step S6-11),
The process ends.

It is a block diagram explaining the control structure of the server computer which shows one Example of this invention. FIG. 3 is a block diagram illustrating a control configuration of a printer according to an embodiment of the present invention. 1 is a system configuration diagram showing an embodiment of the present invention. It is a flowchart of the server computer of 1st Example of this invention. It is a flowchart of the client computer of 1st Example of this invention. It is a flowchart of history printing of the client computer of the first embodiment of the present invention. It is a figure which shows the printing history display of the client computer of 1st Example of this invention. It is a figure which shows the HTML page of 1st Example of this invention.

Explanation of symbols

101 CPU
102 RAM
103 ROM
104 System bus 201 CPU
202 RAM
203 ROM
204 System bus 1000 Server computer 2000 Client computer 3000 Printer 4000 Transmission path 7000 Thumbnail

Claims (17)

A print request parameter providing means for providing a document to be printed on the client device and a value that can be set as a print attribute to the document to the client as a print request parameter;
Similar to the request parameter providing unit for printing, a request parameter providing unit for history storage that provides a client with a request parameter for history storage, as a request parameter indicating that the client device performs history storage of print data;
A client request receiving means for receiving a request including a request parameter for printing provided by the request parameter providing means for printing and a request parameter for saving history provided by the request parameter providing means for saving history from a client device;
A print request parameter value acquisition unit that acquires the value of the print request parameter from the request data received by the client request reception unit;
A history storage request parameter value acquisition means for acquiring a value of the history storage request parameter from the request data received by the client request reception means;
Printing intermediate data generating means for generating intermediate data for printing in which the printing attribute specified by the parameter is set in the print document specified by the parameter based on the request parameter value for printing acquired by the request parameter value acquiring means for printing;
Response data generating means for generating response data for a request from the client, using the printing intermediate data generated by the printing intermediate data generating means as a data body;
History saving request parameter value identifying means for identifying whether the parameter value obtained by the history saving request parameter value obtaining means is a value for requesting history saving at the client;
Server information embedding means for embedding information of the server apparatus from which the client apparatus sent a request parameter in the response data generated by the response data generating means;
All request parameter embedding means for embedding all request parameters sent from the client device in the response data;
Response data transmitting means for transmitting the response data to the client device;
A Web server device comprising: A request parameter setting unit for printing that allows a user to set a value for the print request parameter provided by the Web server device according to claim 1;
History saving request parameter setting means for setting a value by the user to the history saving request parameter provided by the Web server device;
Request parameter sending means for sending the print request parameter and the history saving request parameter value set by the user to the server using the printing request parameter setting means and the history saving request parameter setting means;
Response data receiving means for receiving response data for the request data sent to the server device by the request parameter sending means from the server;
A history storage request parameter inclusion determination means for determining whether or not a history storage request parameter is included in the response data received by the response data reception means;
Server information acquisition means for acquiring information of the server device embedded in the response data; all request parameter acquisition means for acquiring all request parameters embedded in the response data;
Printing intermediate data extracting means for extracting the printing intermediate data which is the body of the response data;
A print job generation unit that generates the print job data by drawing the intermediate print data extracted by the intermediate print data extraction unit;
A print image thumbnail generating unit that generates a print image thumbnail when generating the print job data from the print intermediate data by the print job generating unit;
Print job transmission means for transmitting the print job generated by the print job generation means to a predetermined printing device;
Print data deletion means for deleting the print job data and the printing intermediate data transmitted to the printing apparatus by the print job transmission means;
Three pieces of information including the thumbnail generated by the print image thumbnail generation unit, the server information acquired by the server information acquisition unit, and all the request parameters acquired by the all request parameter acquisition unit are collectively stored as one print history. Printing history storage means to
A Web client device comprising: Thumbnail list display means for displaying a list of all thumbnail images stored in the print history storage means so as to be user-selectable;
When the thumbnail displayed by the thumbnail list display means is selected by the user, the server information read together with the thumbnail data and all the request parameters are read from the print history saving means when the user selects the thumbnail. Means,
The web client device according to claim 2, further comprising: a request direct transmission unit that transmits a request to the server information read by the server request parameter reading unit using the request parameter that has been read.   The printing apparatus that transmits the print job by the print job transmission unit is a local printer or a network printer connected to the Web client apparatus, and the printer has a value set in the print request parameter. 3. The Web client device according to claim 2, wherein the Web client device is automatically selected based on the Web client device, or is arbitrarily selected by an operator of the Web client device.   3. The Web client device according to claim 2, wherein the history storage request parameter setting unit, the request parameter sending unit, and the response data receiving unit are realized by a general-purpose Web browser.   The general-purpose web browser starts a print web client application according to the MIME type indicating the type of body data of the HTTP response specified in the Content-Type header of the HTTP response, and the body data of the HTTP response is sent to the application. The Web client device according to claim 5, wherein: Web page transmitting means for transmitting a Web page requested by the Web client device according to claim 2 to the Web client device;
Request data receiving means for receiving, as a request from the Web client, a form input by a user on the Web page sent to the Web client device by the Web page transmitting means;
Response data generating means for generating response data based on the request parameter of the Web client received by the request data receiving means;
Response data transmitting means for sending response data generated by the response data generating means to the Web client;
The web server device according to claim 1, further comprising:   6. The Web server device according to claim 1, wherein the print request parameter providing unit and the history storage request parameter providing unit of the Web server device can be displayed by a browser of the Web client device according to claim 5. Provided in the form of an inputable HTML form, receives an HTTP request generated by a user input to the HTML form in the browser by the client request reception means, and transmits the HTTP response by the response data transmission means A Web server device characterized by the above.   2. The Web server apparatus according to claim 1, wherein the intermediate print data used in the Web server apparatus is data in a document file format capable of storing print settings.   3. The Web client device according to claim 2, wherein the printing intermediate data used in the Web client device is data in a document file format in which print settings can be saved.   3. The Web client device according to claim 2, wherein the print job data generated by the Web client device from the print intermediate data by the print job generation unit includes print image description data that can be directly interpreted by a printer, such as PDL. A Web client device characterized by that.   2. The Web server apparatus according to claim 1, wherein print image description data that can be directly interpreted by a printer, such as PDL, is used instead of the intermediate data for printing.   3. The Web client apparatus according to claim 2, wherein print image description data that can be directly interpreted by a printer, such as PDL, is used instead of the intermediate data for printing.   The server information embedded in the response data by the server information embedding unit includes the protocol of the communication path connecting the Web server device according to claim 1 and the Web client device according to claim 2, and the port number of the Web server device And a domain name of the Web server device, and the like.   The print request parameter provided to the client by the print request parameter providing unit includes a file name or file identifier on the server used for printing, a print document name, a printer driver name, a printer name, and a print job name, And the number of copies to be printed, the duplex printing setting, the print paper cassette, the print start page, the print end page, the print client application type, and the data distribution mode to the client. 1. The Web server device according to 1.   The server information embedding unit and all the request parameter embedding units are configured such that each data is stored in the intermediate data for printing generated by the response data generating unit as the main body of the response data, and in the extension area defined as the file format of the data. The Web server device according to claim 1, wherein: is embedded.   2. The Web server device according to claim 1, wherein the server information embedded in the response data by the server information embedding unit is information on a storage server that stores the response data transmitted to the client device.