WO2019127894A1 - Pdf文件转图片的方法、电子装置及计算机可读存储介质 - Google Patents

Pdf文件转图片的方法、电子装置及计算机可读存储介质 Download PDF

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WO2019127894A1
WO2019127894A1 PCT/CN2018/077409 CN2018077409W WO2019127894A1 WO 2019127894 A1 WO2019127894 A1 WO 2019127894A1 CN 2018077409 W CN2018077409 W CN 2018077409W WO 2019127894 A1 WO2019127894 A1 WO 2019127894A1
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Prior art keywords
picture
file
pdf
pdf file
terminal
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PCT/CN2018/077409
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English (en)
French (fr)
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牛华
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平安科技（深圳）有限公司
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Publication of WO2019127894A1 publication Critical patent/WO2019127894A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/12—Use of codes for handling textual entities
    • G06F40/151—Transformation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4038—Image mosaicing, e.g. composing plane images from plane sub-images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/565—Conversion or adaptation of application format or content

Definitions

  • the present application relates to a PDF file format conversion method, and in particular, to a PDF to image method, an electronic device, and a computer readable storage medium.
  • PDF files play an important role in people's lives. Because they are a portable electronic file format and are common across multiple operating systems, this capability makes PDF format an electronic document distribution on the web. And the ideal document format for digital information dissemination, more and more e-books, product descriptions, company announcements, network materials, and e-mails begin to use PDF files. With the development of the Internet, people are not satisfied with reading PDF files locally, and hope to read online PDF files based on the browser on the mobile terminal. At present, there are several problems in viewing files in PDF format: the loading speed is slow, because the PDF reading must be loaded to complete the entire PDF file, so the loading speed is slow; the network traffic is consumed, and the entire file must be downloaded for reading each PDF file.
  • the purpose of the present application is to provide a method for converting a PDF file to a picture, an electronic device, and a computer readable storage medium, thereby further overcoming the problems existing in the prior art to some extent.
  • the application provides a method for converting a PDF file to a picture, comprising the following steps:
  • Step 01 The first terminal generates a PDF file and stores the PDF file.
  • Step 02 Convert the PDF file into several pictures by using an icepdf control
  • Step 03 Perform splicing processing on the plurality of pictures to form a super large picture stream, store the oversized picture stream, and form a unique identification ID, and send the ID to the second terminal;
  • Step 04 The second terminal views the super large picture stream according to the unique identification ID, or selects a picture in the super large picture stream to download the original picture.
  • the present application further provides an electronic device including a memory and a processor for storing a PDF file-to-picture system executed by a processor, the PDF file-to-picture system comprising:
  • the PDF generating unit includes a file collection subunit and a file storage subunit, and the file collection subunit is configured to scan the user file to form a PDF file after receiving the information collection instruction, and the file storage subunit is configured to store the generated PDF file;
  • a PDF conversion unit for converting the PDF file into a picture format
  • a picture processing unit configured to convert a picture into a super large picture stream and form a unique identification ID of the super large picture stream
  • a picture storage unit for storing the formed super large picture stream and its unique identification ID.
  • the present application further provides a computer readable storage medium having a PDF file transfer picture system stored therein, the PDF file transfer picture system being executable by at least one processor, Having the at least one processor perform the following steps of the PDF file transfer method:
  • Step 01 The first terminal generates a PDF file and stores the PDF file.
  • Step 02 Convert the PDF file into several pictures by using an icepdf control
  • Step 03 Perform splicing processing on the plurality of pictures to form a super large picture stream, store the oversized picture stream, and form a unique identification ID, and send the ID to the second terminal;
  • Step 04 The second terminal views the super large picture stream according to the unique identification ID, or selects a picture in the super large picture stream to download the original picture.
  • the positive effect of the application is that the generated PDF file is converted into a picture by the icepdf control, and the formed multiple pictures are templated to form a super large picture stream, which reduces the memory occupied by the file transmission and the review process, and improves the memory.
  • the file transfer and the efficiency of the download are avoided, which avoids the problem that the browser cannot display the PDF file.
  • FIG. 1 is a flow chart showing an embodiment of a PDF file transfer method of the present application.
  • FIG. 2 is a flow chart showing still another embodiment of the PDF file transfer method of the present application.
  • FIG. 3 is a flow chart showing still another embodiment of the PDF file transfer method of the present application.
  • FIG. 4 is a flow chart showing still another embodiment of the PDF file-to-picture method of the present application.
  • FIG. 5 is a schematic diagram showing the program module of an embodiment of the PDF file to picture system of the present application.
  • FIG. 6 is a schematic diagram showing a program module of still another embodiment of the PDF file to picture system of the present application.
  • FIG. 7 is a schematic diagram showing a program module of still another embodiment of the PDF file to picture system of the present application.
  • FIG. 8 is a schematic diagram showing a program module of still another embodiment of the PDF file to picture system of the present application.
  • FIG. 9 is a schematic diagram showing the hardware architecture of an embodiment of an electronic device of the present application.
  • FIG. 1 an embodiment of a PDF to image method of the present application is shown, including the following steps:
  • Step 01 The first terminal generates a PDF file and stores the PDF file.
  • the first terminal After the first terminal sends a service request to the second terminal, the corresponding file or the ID card of the service is scanned according to the requirement of the second terminal, and the file obtained by the scanning forms a PDF file.
  • the first terminal is to be The client that handles the service
  • the second terminal is the agent that provides the service for the service.
  • the agent reminds the user to scan the electronic according to the electronic file required by the service.
  • File upload The specific PDF file can be a service contract document, an ID card, a face image collection file, and the like.
  • the step further includes the following sub-steps:
  • Step 1-1 The first terminal sends a service request to the second terminal, and the second terminal sends an information collection instruction to the first terminal.
  • the second terminal forms a list of PDF files required for processing the service according to the service request category sent by the first terminal, and sends the list and the information collection instruction to the first terminal.
  • Step 1-2 After receiving the information collection instruction, the first terminal scans the user file to form a PDF file.
  • the first terminal performs scan collection of the live file to form a PDF file associated with multiple services.
  • Step 1-3 The first terminal stores the generated PDF file and names it.
  • the first terminal temporarily stores the newly generated plurality of associated PDF files in the file memory and waits for processing.
  • Step 02 Convert the PDF file into several pictures by using an icepdf control
  • the first terminal After detecting that the PDF conversion unit can receive a new PDF file for conversion processing, the first terminal sends the PDF file in the file storage to the conversion unit in batches for image conversion processing.
  • the step further includes the following sub-steps:
  • Step 2-1 Check whether the stored PDF file can be converted into a picture, and if yes, proceed to the next step, if otherwise continue to detect;
  • the loop detection sub-unit in the PDF conversion unit scans the current state of the PDF conversion unit at intervals t, checks whether there is a PDF file being processed in the conversion unit or whether a PDF file is entering, and if not, the storage location
  • the PDF file is processed, wherein 2s ⁇ t ⁇ 10s, the specific scan interval can be adjusted according to the PDF file to be processed in the file memory and the conversion efficiency of the conversion unit, so as to avoid excessive conversion of the PDF file in the conversion unit. low efficiency.
  • Step 2-2 The second terminal sends a file transfer instruction to the first terminal, and the first terminal sends the PDF file in the file storage unit to the PDF conversion unit to perform image conversion processing;
  • the loop detection subunit sends the detection result to the second terminal, and the second terminal selects whether to perform file transmission according to the current state of the PDF conversion unit, and if the current state is that a new PDF file can be received, the second terminal sends a file transfer instruction.
  • the first terminal sends the PDF file of the file storage unit terminal to the PDF conversion unit for processing, converts the PDF file into a picture file through the icepdf control built in the PDF conversion unit, and the second terminal can be converted according to the PDF file to be converted.
  • the number and file type select the aspect ratio and pixel of the corresponding image file.
  • Icepdf is an open source, lightweight PDF engine for displaying, viewing, converting, and extracting PDF documents, which can be integrated into Java desktop applications or web servers. If the PDF file has N pages, it is converted into N pictures by the icepdf control.
  • Step 2-3 Send the generated picture to the picture processing unit.
  • the PDF conversion unit sends the formed pictures in batches to the image processing unit for the next stitching process.
  • Step 03 Perform splicing processing on the plurality of pictures to form a super large picture stream, store the oversized picture stream, and form a unique identification ID, and send the ID to the second terminal;
  • the step advances one step to the plurality of formed pictures.
  • the files are stitched together to form a super large image stream file.
  • the step further includes the following sub-steps:
  • Step 3-1 The picture detecting subunit detects the number N of pictures and the aspect ratio of the picture entering the picture processing unit;
  • the number of detected pictures is used to generate N picture pasting areas, and the aspect ratio of the detected pictures is used to form the size of each pasted area according to the aspect ratio.
  • Step 3-2 Generate a blank image template of a preset aspect ratio according to the quantity and the aspect ratio and form N picture pasting areas;
  • Forming a blank picture template capable of accommodating the N pictures according to the number of detected pictures and the aspect ratio, and forming a picture pasting area corresponding to the N pictures one by one.
  • Step 3-3 Paste the pictures on the blank picture template in order from left to right and top to bottom according to a preset picture stitching sequence to form a super large picture stream;
  • the splicing process is performed on the blank picture template according to the file type of the picture or the aspect ratio of the picture to form a super large picture stream.
  • Step 3-4 Record location information of the current n-th picture pasted, and form a naming code of the picture in the super-large picture stream;
  • the system records the position information of the nth picture pasted, specifically the XY axis position information on the blank picture template and forms the identification code of the nth picture in the super large picture stream.
  • Step 3-5 Name the super large picture stream to form a unique identification ID and store it in the picture storage unit, and send the unique identification ID to the second terminal.
  • the formed super large picture stream is named, and the specific one can be named according to the ID number or the contract number or the service code.
  • Step 04 The second terminal views the super large picture stream according to the unique identification ID, or selects a picture in the super large picture stream to download the original picture.
  • the second terminal After receiving the unique identification ID, the second terminal downloads the super large picture stream corresponding to the ID to the picture storage unit for viewing. If the picture in the picture stream needs to be viewed, the small picture in the picture stream is directly clicked to download the original picture. can.
  • a PDF file-to-picture system 20 is shown.
  • the PDF file-to-picture system 20 is divided into one or more program modules, and one or more program modules are stored in the storage.
  • the medium is executed by one or more processors to complete the application.
  • the program module referred to in the present application refers to a series of computer program instruction segments capable of performing a specific function, and is more suitable for describing the execution process of the PDF file to picture system 20 in a storage medium than the program itself. The following description will specifically describe each embodiment of the present embodiment.
  • the function of the program module is:
  • the PDF generating unit 201 is configured to generate a PDF file in the first terminal and store the PDF file, including a file collection subunit 2011 and a file storage subunit 2012, where the file collection subunit is configured to the user file after receiving the information collection instruction. Scanning to form a PDF file, the file storage sub-unit is used to store the generated PDF file; specifically, the PDF file can be formed by scanning a related paper document or ID card by a file scanner set in the first terminal, and the generated PDF file is generated. Store and name.
  • the PDF conversion unit 202 is configured to convert the PDF file into a picture format. Specifically, the PDF file may be converted into a picture format by using an icepdf conversion control built in the system, where the PDF conversion unit includes the following sub-units:
  • the loop detection sub-unit 2021 is configured to detect the current state of the PDF conversion subunit 2022 by the interval t time scan, check whether there is a PDF file being processed in the conversion unit or whether a PDF file is entering, and if not, the storage may be performed.
  • the PDF file is processed, wherein 2s ⁇ t ⁇ 10s, and the specific scan interval can be adjusted according to the PDF file to be processed in the file memory and the conversion efficiency of the conversion unit, so as to avoid excessive PDF files in the conversion unit.
  • the conversion efficiency is low, and the detection status is sent to the second terminal.
  • the PDF conversion sub-unit 2022 is configured to convert the PDF file into a picture file of a predetermined aspect ratio and pixel by using the built-in icepdf control.
  • the loop detection sub-unit 2021 sends the detection result to the second terminal, and the second terminal selects whether to perform file transmission according to the current state of the PDF conversion unit, and if the current state is that a new PDF file can be received, the second terminal sends the file transmission.
  • the instruction is sent to the first terminal, and the first terminal sends the PDF file of the file storage unit terminal to the PDF conversion unit for processing, and converts the PDF file into a picture file by using the icepdf control built in the PDF conversion subunit 2022, and the second terminal can be converted according to the image to be converted.
  • the number of PDF files and the file type select the aspect ratio of the corresponding image file as well as the pixels.
  • the picture processing unit 203 is configured to convert the picture into a super large picture stream and form a unique identification ID for the super large picture stream, where the picture processing unit includes the following subunits:
  • the picture detection sub-unit 2031 is configured to detect the number N of the pictures to be processed entering the picture processing unit and the aspect ratio;
  • the template forming subunit 2032 is configured to form a blank image template of a preset height and width according to the detected number of pictures to be processed and a high aspect ratio, and form N picture pasting areas;
  • the picture splicing forming sub-unit 2033 is configured to sequentially splicing the N pictures to be processed to the corresponding positions of the blank picture template according to a preset picture splicing order, according to the file type of the picture or the size of the picture in the blank picture template.
  • the splicing process is performed to form a super large picture stream.
  • the system records the position information of the nth picture pasted, specifically the XY axis position information on the blank picture template and forms the identification code of the nth picture in the super large picture stream.
  • the picture storage unit 204 is configured to store the formed super large picture stream and its unique identification ID.
  • the embodiment provides an electronic device. It is a schematic diagram of the hardware architecture of an embodiment of the electronic device of the present application.
  • the electronic device 2 is an apparatus capable of automatically performing numerical calculation and/or information processing in accordance with an instruction set or stored in advance.
  • it can be a smartphone, a tablet, a laptop, a desktop computer, a rack server, a blade server, a tower server, or a rack server (including a stand-alone server, or a server cluster composed of multiple servers).
  • the electronic device 2 includes at least, but not limited to, a memory 21, a processor 22, a network interface 23, and a PDF file transfer system 20 that are communicably coupled to one another via a system bus. among them:
  • the memory 21 includes at least one type of computer readable storage medium including a flash memory, a hard disk, a multimedia card, a card type memory (eg, SD or DX memory, etc.), a random access memory (RAM), Static Random Access Memory (SRAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), Programmable Read Only Memory (PROM), magnetic memory, magnetic disk, optical disk, and the like.
  • the memory 21 may be an internal storage module of the electronic device 2, such as a hard disk or a memory of the electronic device 2.
  • the memory 21 may also be an external storage device of the electronic device 2, such as a plug-in hard disk equipped on the electronic device 2, a smart memory card (SMC), and a secure digital device. (Secure Digital, SD) card, flash card, etc.
  • the memory 21 can also include both the internal storage module of the electronic device 2 and its external storage device.
  • the memory 21 is generally used to store an operating system installed in the electronic device 2 and various types of application software, such as program codes of the PDF to picture system 20, and the like. Further, the memory 21 can also be used to temporarily store various types of data that have been output or are to be output.
  • the processor 22 may be a Central Processing Unit (CPU), controller, microcontroller, microprocessor, or other data processing chip in some embodiments.
  • the processor 22 is typically used to control the overall operation of the electronic device 2, such as performing control and processing associated with data interaction or communication with the electronic device 2.
  • the processor 22 is configured to run program code or process data stored in the memory 21, such as running the PDF to image system 20 and the like.
  • the network interface 23 may comprise a wireless network interface or a wired network interface, which is typically used to establish a communication connection between the electronic device 2 and other electronic devices.
  • the network interface 23 is for connecting the electronic device 2 to an external terminal through a network, establishing a data transmission channel, a communication connection, and the like between the electronic device 2 and an external terminal.
  • the network may be an intranet, an Internet, a Global System of Mobile communication (GSM), a Wideband Code Division Multiple Access (WCDMA), a 4G network, or a 5G network.
  • Wireless or wired networks such as network, Bluetooth, Wi-Fi, etc.
  • Figure 5 only shows the electronic device with components 20-23, but it should be understood that not all illustrated components may be implemented and that more or fewer components may be implemented instead.
  • the PDF to picture system 20 stored in the memory 21 may also be divided into one or more program modules, the one or more program modules being stored in the memory 21, and by one or A plurality of processors (this embodiment is processor 22) are executed to complete the application.
  • FIG. 3 shows a schematic diagram of a program module of the first embodiment of the PDF file-to-picture system 20.
  • the PDF-based file-to-picture system 20 can be divided into a PDF generation unit 201 and a PDF conversion unit. 202.
  • the program module referred to in the present application refers to a series of computer program instruction segments capable of performing a specific function, and is more suitable than the program to describe the execution process of the PDF file-to-picture system 20 in the electronic device 2.
  • the specific functions of the program modules 201-204 are described in detail in the second embodiment, and details are not described herein again.
  • the embodiment provides a computer readable storage medium on which the PDF file to picture system 20 is stored, and the PDF file to picture system 20 is implemented by one or more processors to implement the above PDF file. Transfer picture method or operation of an electronic device.

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Abstract

本申请公开了一种PDF文件转图片的方法、电子装置及计算机可读存储介质，包括如下步骤：步骤01、第一终端生成PDF文件并存储所述PDF文件；步骤02、通过icepdf控件将所述PDF文件转化为若干图片；步骤03、对所述若干图片进行拼接处理形成超大图片流，存储所述超大图片流并形成唯一识别ID，将所述ID发送至第二终端；步骤04、第二终端根据所述唯一识别ID查看所述超大图片流，或选择所述超大图片流中的图片下载原图片。采用该方法减少了文件传输、查阅过程中所占用的内存，提高了文件传输以及查阅下载的效率，避免了浏览器无法显示PDF文件的问题。

Description

PDF文件转图片的方法、电子装置及计算机可读存储介质
本申请申明享有2017年12月25日递交的申请号为CN 2017114302960、名称为“PDF文件转图片的方法、电子装置及计算机可读存储介质”的中国专利申请的优先权，该中国专利申请的整体内容以参考的方式结合在本申请中。
技术领域
本申请涉及一种PDF文件格式转化方法，具体涉及一种PDF转图片方法、电子装置及计算机可读存储介质。
背景技术
PDF文件在人们的生活中扮演着很重要的作用，由于是一种便携的电子文件格式，而且在多种操作系统中都是通用的，这一性能使PDF格式成为在网络上进行电子文档发行和数字化信息传播的理想文档格式，越来越多的电子图书、产品说明、公司文告、网络资料、电子邮件开始使用PDF格式的文件。而随着互联网的发展，人们不满足于本地阅读PDF文件，寄希望能基于移动终端上的浏览器来阅读在线PDF文件。目前采用PDF格式查看文件主要存在以下几个问题：加载速度慢，由于PDF阅读必须加载完成整个PDF文件才能进行，所以导致加载速度慢；耗费网络流量，阅读每个PDF文件都必须下载整个文件，所以会耗费大量的流量；占用内存，无论使用何种技术，PDF阅读必须把PDF加载到内存中，对于较大的百兆以上的PDF文件，对内存昂贵的移动设备来说，无疑压力巨大；占用CPU资源，PDF的解析和显示需要耗费CPU资源对文件进行解析，耗费CPU资源；网络流量和内存、CPU的 耗费会提高手机的耗电量；显示效果，经常为了克服以上几个问题，会对PDF进行压缩处理，但是导致压缩后PDF质量下降，影响阅读体验，甚至丢失内容。
发明内容
本申请的目的在于提供一种PDF文件转图片的方法、电子装置以及计算机可读存储介质，进而在一定程度上克服现有技术中存在的问题。
本申请是通过下述技术方案来解决上述技术问题：
本申请提供一种PDF文件转图片的方法，包括如下步骤：
步骤01、第一终端生成PDF文件并存储所述PDF文件；
步骤02、通过icepdf控件将所述PDF文件转化为若干图片；
步骤03、对所述若干图片进行拼接处理形成超大图片流，存储所述超大图片流并形成唯一识别ID，将所述ID发送至第二终端；
步骤04、第二终端根据所述唯一识别ID查看所述超大图片流，或选择所述超大图片流中的图片下载原图片。
为了实现上述目的，本申请还提供一种电子装置，包括存储器和处理器，所述存储器用于存储被处理器执行的PDF文件转图片的系统，所述PDF文件转图片系统包括：
PDF生成单元，包括文件采集子单元和文件存储子单元，文件采集子单元用于在在接收到信息采集指令后对用户文件进行扫描形成PDF文件，文件存储子单元用于存储生成的PDF文件；
PDF转化单元，用于将所述PDF文件转化为图片格式；
图片处理单元，用于将图片转化形成超大图片流并对所述超大图片流形成唯一识别ID；
图片存储单元，用于存储形成的超大图片流及其唯一识别ID。
为了实现上述目的，本申请还提供一种计算机可读存储介质，所述计算 机可读存储介质内存储有PDF文件转图片系统，所述PDF文件转图片系统可被至少一个处理器所执行，以使所述至少一个处理器执行PDF文件转图片方法的以下步骤：
步骤01、第一终端生成PDF文件并存储所述PDF文件；
步骤02、通过icepdf控件将所述PDF文件转化为若干图片；
步骤03、对所述若干图片进行拼接处理形成超大图片流，存储所述超大图片流并形成唯一识别ID，将所述ID发送至第二终端；
步骤04、第二终端根据所述唯一识别ID查看所述超大图片流，或选择所述超大图片流中的图片下载原图片。
本申请的积极效果在于：通过icepdf控件将生成的多个PDF文件转化为图片，并将形成的多个图片进行模板拼接形成超大图片流，减少了文件传输、查阅过程中所占用的内存，提高了文件传输以及查阅下载的效率，避免了浏览器无法显示PDF文件的问题。
附图说明
图1示出了本申请PDF文件转图片方法一实施例的流程图。
图2示出了本申请PDF文件转图片方法又一实施例的流程图。
图3示出了本申请PDF文件转图片方法又一实施例的流程图。
图4示出了本申请PDF文件转图片方法又一实施例的流程图。
图5示出了本申请PDF文件转图片系统一实施例的程序模块示意图。
图6示出了本申请PDF文件转图片系统又一实施例的程序模块示意图。
图7示出了本申请PDF文件转图片系统又一实施例的程序模块示意图。
图8示出了本申请PDF文件转图片系统又一实施例的程序模块示意图。
图9示出了本申请电子装置一实施例的硬件架构示意图。
具体实施方式
实施例一
参阅图1，示出了本申请一种PDF转图片方法的实施例，包括如下步骤：
步骤01、第一终端生成PDF文件并存储所述PDF文件；
第一终端向第二终端发送服务请求后，根据第二终端的需求扫描该服务相应的纸质文件或身份证，上述扫描获取的文件形成PDF文件，在该实施例中，第一终端为待办理业务的用户端，第二终端为提供业务办理服务的坐席端，当用户端向坐席端发起某项业务办理的服务请求后，坐席端根据该服务需要的电子文件提醒用户端进行相关扫描电子文件的上传。具体的PDF文件可为服务合同文件、身份证、人脸图像采集文件等。
在一个较佳实施例中，该步骤进一步包括如下子步骤：
步骤1-1、第一终端发送服务请求至第二终端，第二终端发送信息采集指令至第一终端；
第二终端根据第一终端发送的服务请求类别形成办理该项服务所需的PDF文件清单并将所述清单以及信息采集指令发送至第一终端。
步骤1-2、第一终端接收到信息采集指令后，扫描用户文件形成PDF文件；
根据第二终端发送的信息采集指令以及清单，第一终端进行现场文件的扫描采集形成多个业务关联的PDF文件。
步骤1-3、第一终端存储生成的PDF文件并命名。
为了避免后续的PDF文件转化单元中PDF文件处理缓慢，第一终端将新生成的所述多个关联的PDF文件临时存储在文件存储器中排队等候处理。
步骤02、通过icepdf控件将所述PDF文件转化为若干图片；
在检测到PDF转化单元可以接收新的PDF文件进行转化处理后，第一终端将文件存储器中的PDF文件批量发送至转化单元进行图片转化处理。
在一个较佳实施例中，该步骤进一步包括如下子步骤：
步骤2-1、检测是否可对存储的PDF文件进行图片转化处理，若是，则进入下一步，若否则继续检测；
PDF转化单元中的循环检测子单元间隔t时间扫描PDF转化单元的当前状态，检查所述转化单元中是否有正在进行处理的PDF文件或是否有PDF文件正在进入，若没有则可对存储的所述PDF文件进行处理，其中2s＜t＜10s，具体的扫描间隔时间可根据文件存储器中待处理的PDF文件以及转化单元的转化效率进行调整，以避免转化单元中的PDF文件过多而造成转化效率低。
步骤2-2、第二终端发送文件传输指令至第一终端，第一终端将文件存储单元中的PDF文件发送至PDF转化单元进行图片转化处理；
循环检测子单元将所述检测结果发送至第二终端，第二终端根据PDF转化单元的当前状态选择是否进行文件传输，若当前状态为可以接收新的PDF文件，则第二终端发送文件传输指令至第一终端，第一终端将文件存储单元终端的PDF文件发送至PDF转化单元进行处理，通过PDF转化单元内置的icepdf控件将PDF文件转化为图片文件，第二终端可以根据待转化的PDF文件数量以及文件类型选择相应的图片文件的高宽比例以及像素。其中icepdf为一种开源，属于轻量级的PDF引擎，用于展示、查看、转换、抽取PDF文档，可集成到Java桌面应用程度或Web服务器中使用。若所述PDF文件有N页，则通过所述icepdf控件转化为N张图片。
步骤2-3、将生成的图片发送至图片处理单元。PDF转化单元将形成的图片批量发送至图片处理单元进行下一步拼接处理。
步骤03、对所述若干图片进行拼接处理形成超大图片流，存储所述超大图片流并形成唯一识别ID，将所述ID发送至第二终端；
由于每个服务对应的PDF文件可能有多个，相应的形成的图片文件也有多个，为了便于坐席端后续查阅所述多个关联的图片文件，该步骤进步一步 对所述多个形成的图片文件进行拼接处理以形成一张超大图片流文件。
在一个较佳实施例中，该步骤进一步包括如下子步骤：
步骤3-1、图片检测子单元检测进入图片处理单元的图片数量N以及高宽比例；
其中检测图片数量用于生成N个图片粘贴区，检测图片的高宽比例用于根据高宽比例形成每个粘贴区域的尺寸。
步骤3-2、根据所述数量和高宽比例生成预设高宽比例的空白图片模板并形成N个图片粘贴区；
根据检测的图片数量以及高宽比例形成能够容纳所述N张图片的空白图片模板，并形成与所述N张图片一一对应的图片粘贴区。
步骤3-3、按预设的图片拼接顺序将所述图片按从左至右、从上至下的顺序在空白图片模板上进行粘贴处理以形成超大图片流；
按图片的文件类型或者图片高宽比例的大小在空白图片模板上进行拼接处理形成超大图片流。
步骤3-4、记录当前第n张图片粘贴的位置信息，并形成所述图片在所述超大图片流中的命名编码；
在拼接过程中，系统记录第n张图片粘贴的位置信息，具体的可为在空白图片模板上的XY轴位置信息并形成所述第n张图片在所述超大图片流中的识别编码。
步骤3-5、对所述超大图片流命名形成唯一识别ID并存储在图片存储单元，同时将所述唯一识别ID发送至第二终端。
当第N张图片按顺序粘贴完成后，对形成的超大图片流进行命名，具体的可根据用于身份证号或合同号或者业务编码进行命名。
步骤04、第二终端根据所述唯一识别ID查看所述超大图片流，或选择所述超大图片流中的图片下载原图片。
第二终端接收到所述唯一识别ID后到图片存储单元下载该ID对应的超大图片流进行查看，如需要查看图片流中各个图片，则直接点击该图片流中的小图进行原图下载即可。
实施例二
参阅图2-4，示出了一种PDF文件转图片系统20，在本实施例中，PDF文件转图片系统20被分割成一个或多个程序模块，一个或者多个程序模块被存储于存储介质中，并由一个或多个处理器所执行，以完成本申请。本申请所称的程序模块是指能够完成特定功能的一系列计算机程序指令段，比程序本身更适合描述PDF文件转图片系统20在存储介质中的执行过程，以下描述将具体介绍本实施例各程序模块的功能：
PDF生成单元201，用于在第一终端生成PDF文件并存储所述PDF文件，包括文件采集子单元2011和文件存储子单元2012，文件采集子单元用于在接收到信息采集指令后对用户文件进行扫描形成PDF文件，文件存储子单元用于存储生成的PDF文件；具体的，可通过设置在第一终端的文件扫描仪扫描相关纸质文件或身份证形成PDF文件，并对生成的PDF文件进行存储和命名。
PDF转化单元202，用于将所述PDF文件转化为图片格式，具体的，可通过系统内置的icepdf转化控件将所述PDF文件转化为图片格式，其中所述PDF转化单元包括如下子单元：
循环检测子单元2021，用于间隔t时间扫描检测PDF转化子单元2022的当前状态，检查所述转化单元中是否有正在进行处理的PDF文件或是否有PDF文件正在进入，若没有则可对存储的所述PDF文件进行处理，其中2s＜t＜10s，具体的扫描间隔时间可根据文件存储器中待处理的PDF文件以及转化单元的转化效率进行调整，以避免转化单元中的PDF文件过多而造成转化效率低，并检测状态发送至第二终端。
PDF转化子单元2022，用于通过内置的icepdf控件将PDF文件转化为预 设高宽比例和像素的图片文件。循环检测子单元2021将所述检测结果发送至第二终端，第二终端根据PDF转化单元的当前状态选择是否进行文件传输，若当前状态为可以接收新的PDF文件，则第二终端发送文件传输指令至第一终端，第一终端将文件存储单元终端的PDF文件发送至PDF转化单元进行处理，通过PDF转化子单元2022内置的icepdf控件将PDF文件转化为图片文件，第二终端可以根据待转化的PDF文件数量以及文件类型选择相应的图片文件的高宽比例以及像素。
图片处理单元203，用于将图片转化形成超大图片流并对所述超大图片流形成唯一识别ID，图片处理单元包括如下子单元：
图片检测子单元2031，用于检测进入图片处理单元的待处理图片的数量N以及高宽比例；
模板形成子单元2032，用于根据检测到的待处理图片的数量以及高宽比例形成预设高宽的空白图片模板并形成N个图片粘贴区；
图片拼接形成子单元2033，用于按预设的图片拼接顺序将待处理的N个图片依次拼接至空白图片模板的相应位置处，按图片的文件类型或者图片高宽比例的大小在空白图片模板上进行拼接处理形成超大图片流。在拼接过程中，系统记录第n张图片粘贴的位置信息，具体的可为在空白图片模板上的XY轴位置信息并形成所述第n张图片在所述超大图片流中的识别编码。
图片存储单元204，用于存储形成的超大图片流及其唯一识别ID。
实施例三
参阅图5，本实施例提供一种电子装置。是本申请电子装置一实施例的硬件架构示意图。本实施例中，所述电子装置2是一种能够按照事先设定或者存储的指令，自动进行数值计算和/或信息处理的设备。例如，可以是智能手机、平板电脑、笔记本电脑、台式计算机、机架式服务器、刀片式服务器、塔式服务器或机柜式服务器(包括独立的服务器，或者多个服务器所组成的 服务器集群)等。如图所示，所述电子装置2至少包括，但不限于，可通过系统总线相互通信连接存储器21、处理器22、网络接口23、以及PDF文件转图片系统20。其中：
所述存储器21至少包括一种类型的计算机可读存储介质，所述可读存储介质包括闪存、硬盘、多媒体卡、卡型存储器(例如，SD或DX存储器等)、随机访问存储器(RAM)、静态随机访问存储器(SRAM)、只读存储器(ROM)、电可擦除可编程只读存储器(EEPROM)、可编程只读存储器(PROM)、磁性存储器、磁盘、光盘等。在一些实施例中，所述存储器21可以是所述电子装置2的内部存储模块，例如该电子装置2的硬盘或内存。在另一些实施例中，所述存储器21也可以是所述电子装置2的外部存储设备，例如该电子装置2上配备的插接式硬盘，智能存储卡(Smart Media Card,SMC)，安全数字(Secure Digital,SD)卡，闪存卡(Flash Card)等。当然，所述存储器21还可以既包括所述电子装置2的内部存储模块也包括其外部存储设备。本实施例中，所述存储器21通常用于存储安装于所述电子装置2的操作系统和各类应用软件，例如所述PDF转图片系统20的程序代码等。此外，所述存储器21还可以用于暂时地存储已经输出或者将要输出的各类数据。
所述处理器22在一些实施例中可以是中央处理器(Central Processing Unit，CPU)、控制器、微控制器、微处理器、或其他数据处理芯片。该处理器22通常用于控制所述电子装置2的总体操作，例如执行与所述电子装置2进行数据交互或者通信相关的控制和处理等。本实施例中，所述处理器22用于运行所述存储器21中存储的程序代码或者处理数据，例如运行所述的PDF转图片系统20等。
所述网络接口23可包括无线网络接口或有线网络接口，该网络接口23通常用于在所述电子装置2与其他电子装置之间建立通信连接。例如，所述 网络接口23用于通过网络将所述电子装置2与外部终端相连，在所述电子装置2与外部终端之间的建立数据传输通道和通信连接等。所述网络可以是企业内部网(Intranet)、互联网(Internet)、全球移动通讯系统(Global System of Mobile communication，GSM)、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)、4G网络、5G网络、蓝牙(Bluetooth)、Wi-Fi等无线或有线网络。
需要指出的是，图5仅示出了具有部件20-23的电子装置，但是应理解的是，并不要求实施所有示出的部件，可以替代的实施更多或者更少的部件。
在本实施例中，存储于存储器21中的所述PDF转图片系统20还可以被分割为一个或者多个程序模块，所述一个或者多个程序模块被存储于存储器21中，并由一个或多个处理器(本实施例为处理器22)所执行，以完成本申请。
例如，图3示出了所述PDF文件转图片系统20第一实施例的程序模块示意图，该实施例中，所述基于PDF文件转图片系统20可以被划分为PDF生成单元201、PDF转化单元202、图片处理单元203、图片存储单元204。其中，本申请所称的程序模块是指能够完成特定功能的一系列计算机程序指令段，比程序更适合于描述所述PDF文件转图片系统20在所述电子装置2中的执行过程。所述程序模块201-204的具体功能在实施例二中已有详细描述，在此不再赘述。
实施例四
本实施例提供一种计算机可读存储介质，该计算机可读存储介质上存储有所述PDF文件转图片系统20，该PDF文件转图片系统20被一个或多个处理器执行时实现上述PDF文件转图片方法或电子装置的操作。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述 实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。
以上仅为本申请的优选实施例，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。

Claims (14)

  1. 一种PDF文件转图片的方法，其特征在于，包括如下步骤：
    步骤01、第一终端生成PDF文件并存储所述PDF文件；
    步骤02、通过icepdf控件将所述PDF文件转化为若干图片；
    步骤03、对所述若干图片进行拼接处理形成超大图片流，存储所述超大图片流并形成唯一识别ID，将所述ID发送至第二终端；
    步骤04、第二终端根据所述唯一识别ID查看所述超大图片流，或选择所述超大图片流中的图片下载原图片。
  2. 根据权利要求1所述PDF文件转图片的方法，其特征在于，步骤01包括：
    步骤1-1、第一终端发送服务请求至第二终端，第二终端发送信息采集指令至第一终端；
    步骤1-2、第一终端接收到信息采集指令后，扫描用户文件形成PDF文件；
    步骤1-3、第一终端存储生成的PDF文件并命名。
  3. 根据权利要求1所述PDF文件转图片的方法，其特征在于，步骤02包括：
    步骤2-1、检测是否可对存储的PDF文件进行图片转化处理，若是，则进入下一步，若否则继续检测；
    步骤2-2、第二终端发送文件传输指令至第一终端，第一终端将文件存储单元中的PDF文件发送至PDF转化单元进行图片转化处理；
    步骤2-3、将生成的图片发送至图片处理单元。
  4. 根据权利要求3所述PDF文件转图片的方法，其特征在于，步骤2-1包括：循环检测子单元间隔t时间扫描PDF转化单元串口检查当前状态是否有新的PDF文件进入或正在转化处理，若没有则可对存储的所述PDF文件进 行处理，其中2s＜t＜10s。
  5. 根据权利要求3所述PDF文件转图片的方法，其特征在于，步骤2-2包括：通过PDF转化单元内置的icepdf控件将PDF文件转化为预设高宽比例和像素的图片文件。
  6. 根据权利要求1所述PDF文件转图片的方法，其特征在于，步骤03包括：
    步骤3-1、图片检测子单元检测进入图片处理单元的图片数量N以及高宽比例；
    步骤3-2、根据所述数量和高宽比例生成预设高宽比例的空白图片模板并形成N个图片粘贴区；
    步骤3-3、按预设的图片拼接顺序将所述图片按从左至右、从上至下的顺序在空白图片模板上进行粘贴处理以形成超大图片流；
    步骤3-4、记录当前第n张图片粘贴的位置信息，并形成所述图片在所述超大图片流中的命名编码；
    步骤3-5、对所述超大图片流命名形成唯一识别ID并存储在图片存储单元，同时将所述唯一识别ID发送至第二终端。
  7. 一种电子装置，包括存储器和处理器，其特征在于，所述存储器用于存储被处理器执行的PDF文件转图片的系统，所述PDF文件转图片系统包括：
    PDF生成单元，包括文件采集子单元和文件存储子单元，文件采集子单元用于在在接收到信息采集指令后对用户文件进行扫描形成PDF文件，文件存储子单元用于存储生成的PDF文件；
    PDF转化单元，用于将所述PDF文件转化为图片格式；
    图片处理单元，用于将图片转化形成超大图片流并对所述超大图片流形成唯一识别ID；
    图片存储单元，用于存储形成的超大图片流及其唯一识别ID。
  8. 根据权利要求7所述的电子装置，其特征在于，所述PDF转化单元包 括：
    循环检测子单元，用于间隔t时间扫描检测PDF转化子单元的当前状态，并检测状态发送至第二终端；
    PDF转化子单元，用于通过内置的icepdf控件将PDF文件转化为预设高宽比例和像素的图片文件。
  9. 根据权利要求7所述的电子装置，其特征在于，图片处理单元包括：
    图片检测子单元，用于检测进入图片处理单元的待处理图片的数量N以及高宽比例；
    模板形成子单元，用于根据检测到的待处理图片的数量以及高宽比例形成预设高宽的空白图片模板并形成N个图片粘贴区；
    图片拼接形成子单元：按预设的图片拼接顺序将待处理的N个图片依次拼接至空白图片模板的相应位置处。
  10. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质内存储有PDF文件转图片系统，所述PDF文件转图片系统可被至少一个处理器所执行，以使所述至少一个处理器执行PDF文件转图片方法的以下步骤：
    步骤01、第一终端生成PDF文件并存储所述PDF文件；
    步骤02、通过icepdf控件将所述PDF文件转化为若干图片；
    步骤03、对所述若干图片进行拼接处理形成超大图片流，存储所述超大图片流并形成唯一识别ID，将所述ID发送至第二终端；
    步骤04、第二终端根据所述唯一识别ID查看所述超大图片流，或选择所述超大图片流中的图片下载原图片。
  11. 根据权利要求10所述的计算机可读存储介质，其特征在于，步骤01包括：
    步骤1-1、第一终端发送服务请求至第二终端，第二终端发送信息采集指令至第一终端；
    步骤1-2、第一终端接收到信息采集指令后，扫描用户文件形成PDF文 件；
    步骤1-3、第一终端存储生成的PDF文件并命名。12、根据权利要求10所述的计算机可读存储介质，其特征在于，步骤02包括：
    步骤2-1、检测是否可对存储的PDF文件进行图片转化处理，若是，则进入下一步，若否则继续检测；
    步骤2-2、第二终端发送文件传输指令至第一终端，第一终端将文件存储单元中的PDF文件发送至PDF转化单元进行图片转化处理；
    步骤2-3、将生成的图片发送至图片处理单元。
  12. 根据权利要求12所述的计算机可读存储介质，其特征在于，步骤2-1包括：循环检测子单元间隔t时间扫描PDF转化单元串口检查当前状态是否有新的PDF文件进入或正在转化处理，若没有则可对存储的所述PDF文件进行处理，其中2s＜t＜10s。
  13. 根据权利要求12所述的计算机可读存储介质，其特征在于，步骤2-2包括：通过PDF转化单元内置的icepdf控件将PDF文件转化为预设高宽比例和像素的图片文件。
  14. 根据权利要求10所述的计算机可读存储介质，其特征在于，步骤03包括：
    步骤3-1、图片检测子单元检测进入图片处理单元的图片数量N以及高宽比例；
    步骤3-2、根据所述数量和高宽比例生成预设高宽比例的空白图片模板并形成N个图片粘贴区；
    步骤3-3、按预设的图片拼接顺序将所述图片按从左至右、从上至下的顺序在空白图片模板上进行粘贴处理以形成超大图片流；
    步骤3-4、记录当前第n张图片粘贴的位置信息，并形成所述图片在所述超大图片流中的命名编码；
    步骤3-5、对所述超大图片流命名形成唯一识别ID并存储在图片存储单 元，同时将所述唯一识别ID发送至第二终端。
PCT/CN2018/077409 2017-12-25 2018-02-27 Pdf文件转图片的方法、电子装置及计算机可读存储介质 WO2019127894A1 (zh)

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