由于经常传文件到Linux下面 经常由于路径问题出现各种包含文件错误! windows用的是\ 而linux用的是/ 所有想到用DIRECTORY_SEPARATOR来修正路径 支持多种格式 如windows上:c:\a\//\b.txt也能正确转换为c:\a\b.txt 详细请自己测试!-Because often deliver documents to Linux below often due to include a file path problem appear all sorts