jsp中获取当前文件路径 .

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<%  String path1 = application.getRealPath(request.getRequestURI()); //当前请求的JSP文件的物理路径String path2 = application.getRealPath("/");                     //当前WEB应用的物理路径String path3 = request.getRequestURI();StringBuffer path4 = request.getRequestURL();      //getRequestURL()返回的是StringBufferString virtualPath = request.getServletPath();     //虚拟路径 String realPath = request.getRealPath(virtualPath);//物理路径%>

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PS：?request.getRequestURI()与request.getRequestURL()的区别request.getRequestURI()只是显示的是文件的名称 ?//?? /cta/xiahu/xiahu_add.jsp?
request.getRequestURL()显示的全部的URL ? ? ? ? ? // ??http://localhost:7001/cta/xiahu/xiahu_add.jsp

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