CN114527946A

CN114527946A - Silent print client based on browser

Info

Publication number: CN114527946A
Application number: CN202210032114.9A
Authority: CN
Inventors: 冯晓辉
Original assignee: Hangzhou Shiatomic Technology Co ltd
Current assignee: Hangzhou Shiatomic Technology Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-24

Abstract

The invention belongs to the technical field of cloud processing, and particularly relates to a silent printing client based on a browser, which comprises an express module, a socket Io module, a puppeter module and a pdftopriner module, wherein the express module is used for starting local web service, the socket Io module is used for realizing socket communication between the client and the browser, the puppeter module is used for converting a browser document into pdf, and an electron + puppeter technical framework is adopted, so that the realization of the cross-system silent printing is realized, the silent printing resource of the browser under a mac system is realized, all contents in the browser can be pushed to a printer to print silently, a printing interface is not required to be opened, a url address is supported, and a picture and html fragment are pushed to the printing client, and the use is more convenient.

Description

Silent print client based on browser

Technical Field

The invention relates to the technical field of cloud processing, in particular to a silent printing client based on a browser.

Background

At present, a printing client based on a browser is almost not compatible with a mac end, more than all printing clients based on a window system are inconvenient to use in daily use, and therefore a printing client compatible with multiple systems and supporting multiple browsers is needed to support the requirement of silent printing from the browser.

Disclosure of Invention

The invention aims to provide a silent printing client based on a browser to solve the problem of inconvenient use of the printing client without a compatible mac end in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the silent printing client based on the browser comprises an express module, a socket.io module, a puppeter module and a pdftopriner module, wherein the socket.io module is connected with the express module and the puppeter module, the puppeter module is connected with the pdftopriner module, the express module is used for opening local web services, the socket.io module is used for realizing socket communication between the client and the browser, the puppeter module is used for converting a browser document into a pdf, and the pdftopriner module is used for sending a pdf file in the puppeterer module to a printer for printing.

Preferably, the client is based on a node module under an electron technology architecture.

Preferably, the express module is used for a server which exclusively provides Web page resources to the outside, and the output stream of the client in the socket.io module is the input stream of the browser, and the output stream of the browser is the input stream of the client.

Preferably, the puppeteer module is used for screenshot of a webpage, generating PDF, crawling of an SPA or SSR website, automatic UI test, form submission simulation, keyboard input and clicking.

Compared with the prior art, the invention has the beneficial effects that:

the invention adopts the technical framework of electron + puppeteer, realizes the realization of cross-system silent printing, realizes the silent printing resource of a browser under a mac system, supports all contents in the browser to be pushed to a printer to be printed silently, does not need to open a printing interface, supports url addresses, pushes pictures and html fragments to a printing client, realizes the cross-end silent printing requirement based on the browser, solves the problem of the silent printing under the mac, and is more convenient to use.

Drawings

FIG. 1 is a logic block diagram of the system of the present invention.

In the figure: 1. an express module; 2. io module; 3. a puppeteer module; 4. pdftopriner module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1, the present invention provides a technical solution: the silent printing client based on the browser comprises an express module 1, a socket.io module 2, a puppeter module 3 and a pdftopriter module 4, wherein the socket.io module 2 is connected with the express module 1 and the puppeter module 3, the puppeter module 3 is connected with the pdftopriter module 4, the express module 1 is used for opening local web services, the socket.io module 2 is used for realizing socket communication between the client and the browser, the puppeter module 3 is used for converting browser documents into pdfs, and the pdftopriter module 4 is used for sending the pdf files in the puppeter module 3 to a printer for printing.

The client is based on a node module under an electron technical architecture, the express module 1 is used for a server which specially provides Web webpage resources to the outside, the output stream of the client in the socket.io module 2 is the input stream of a browser, the output stream of the browser is the input stream of the client, and the puppeteer module 3 is used for screenshot of a webpage, generating PDF, crawling of an SPA or SSR website, automatic UI test, simulation of form submission, keyboard input and clicking.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A browser-based silent print client, characterized by: the system comprises an express module (1), a socket.io module (2), a puppeteer module (3) and a pdftopriter module (4), wherein the socket.io module (2) is connected with the express module (1) and the puppeteer module (3), the puppeteer module (3) is connected with the pdftopriter module (4), the express module (1) is used for opening local web services, the socket.io module (2) is used for realizing socket communication between a client and a browser, the puppeteer module (3) is used for converting a browser document into pdf, and the pdftopriter module (4) is used for sending pdf files in the puppeteer module (3) to a printer for printing.

2. The browser-based silent print client of claim 1, wherein: the client is based on a node module under an electron technology architecture.

3. The browser-based silent print client of claim 1, wherein: the express module (1) is used for a server which specially provides Web webpage resources to the outside, and the output stream of a client in the socket.io module (2) is the input stream of a browser, and the output stream of the browser is the input stream of the client.

4. The browser-based silent print client of claim 1, wherein: the puppeteer module (3) is used for performing automatic tests on screenshot of a webpage, generating PDF, crawling an SPA or SSR website, UI, simulating form submission, inputting by a keyboard and clicking.