电子计算机给人类带来的影响是深远的，人们的日常
生活中，计算机扮演了一个非常重要的角色，工作中使用计算机几乎成了一种必然。人们每天从计算机上阅读文字图像，要求阅读软件不仅功能强大而且要简介易用。各大软件公司相互竞争，大量的阅读软件诞生。
Adobe Systems是一家总部位于美国加州圣何塞的
电脑软件公司，创建于1982年12月。20 多年来Adobe公司一直致力于帮助用户和企业以更好的成本效益，通过更好的方式表达图像、信息和思想。 公司在
数码成像、设计和文档技术方面的创新成果，在这些领域树立了杰出的典范，使数以百万计的人们体会到视觉信息交流的强大魅力。而所有这些方案都采用了 Adobe 便携文档格式 （PDF） 这一基础技术。 Adobe PDF 和随处可得的 Adobe Reader 已成为在各种计算机和系统间交互查看和共享文档等内容的集成标准，跨越了各种平台或设备差异的障碍。
PDF的使用不仅仅局限于阅读跟书写，更被程序人员津津乐道，用开发平台（VB,C++,JAVA）实现更多的功能。
本文主要介绍PDF到文本文档的转换。
用我最简洁、最高效、最真诚的回答，
解你最困惑、最急切、最实际的问题。
The electronic accounting machine the influence which brings to the humanity is profound, in people's daily life, the computer acted an extremely important role, in the work has used the computer to become one kind of necessity nearly.Not only the people every day read the writing image from the computer, the request reading software the function formidable moreover must introduce easily to use.Each big software company competes mutually, massive reading software birth. Adobe Systems is headquarters is located the American California San Jose's computer software company, founded in December, 1982.20 for many years Adobe Corporation has devoted continuously to the help user and the enterprise by the better cost benefit, expresses the image, the information and the thought through a better way. The company in the digital image formation, the design and the documents technology aspect innovation achievement, set up the outstanding model in these domains, causes the people who million counts to realize the visual information exchange the formidable charm.But all these plans have all used Adobe the portable documents form (PDF) this foundation technology. Adobe PDF and everywhere may result in Adobe Reader has become in between each kind of computer and the system examined alternately and content and so on sharing documents integrated standards, surmounted each kind of platform or the equipment difference barrier. The PDF use limits not merely to reading with writing, loves to talk about by the procedure personnel, with develops the platform (VB, C++, JAVA) to realize more functions. This article mainly introduces PDF to the text documents transformation.