在VS2008平台下使用C语言编写的JAVA语言词法分析器，使用DFA设计，使用两对半缓冲区读取单词，能报告词法错误和出错位置，并将词法分析结果属性字流写入txt文件。-Platform in VS2008 using C language lexical analyzer written in JAVA language, using the DFA design, using two pairs of semi-buffer to read the word, lexical errors and mistakes can report the location and properties of lexical analysis of words written to txt file stream.