httpRequest请求的一些常用操作
获取请求地址
HttpServletRequest request = (HttpServletRequest) arg0;
String url = request.getRequestURI();
方法
http://localhost:7001/myservlet/somepath/test?someparam=somevalue
request.getPathInfo():返回/somepath/test
request.getRequestURL():返回http://localhost:7001/myservlet/somepath/test
request.getRequestURI():返回/myservlet/somepath/test
request.getServletPath():返回/myservlet
request.getQueryString():返回someparam=somevalue