iphone上实现的一个普通txt文本和pdf都可以阅读的阅读器-implemented on a regular iphone txt text and pdf reader can read

iPhone文本阅读器应用范例代码，对钻研iPhone开发的工程师有一定参考价值。-iPhone text reader application sample code, and delve into the iPhone developer' s engineers have a certain reference value.

text文本阅读器，精选ios编程学习源码，很好的参考资料。-Text text reader, select learning IOS programming source code, a good reference.