- HttpServletRequest httpRequest=(HttpServletRequest)request;
- String strBackUrl = "http://" + request.getServerName() //服务器地址
- + ":"
- + request.getServerPort() //端口号
- + httpRequest.getContextPath() //项目名称
- + httpRequest.getServletPath() //请求页面或其他地址
- + "?" + (httpRequest.getQueryString()); //参数