java 获得 相当路径

File   fdoc =   new   File(request.getRealPath("/")+downloadSrcFiles.replaceAll(".rgf",".doc"));
 String realPath1 = "http://" + request.getServerName() + ":" + request.getServerPort() + request.getContextPath()+request.getServletPath().substring(0,request.getServletPath().lastIndexOf("/")+1);    
System.out.println("web URL 路径:"+realPath1);  

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