读入文本文件source.txt,将其内容中字符串“location”全部用字符串“east lake”替换，结果保存到文本文件target.txt-Reads text files source.txt, its contents string location All string east lake replace, the results are saved to a text file target.txt

从多个txt文件中读取内容，然后根据不同的需求来转义txt内容并替换到新的txt文件中，例如批量修改名字为考勤机内部的系统id号码-Read the content multiple txt files, and then according to the different needs to escape TXT content and replace the new TXT file, for example, batch modify name attendance machine in

将分号分隔符的txt文件转换为逗号分隔符txt文件(Converts the semicolon delimited TXT file to a comma delimited TXT file)