<%

	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StringBuffer

	String virtualPath = request.getServletPath();     //虚拟路径

	String realPath = request.getRealPath(virtualPath);//物理路径

%>