HttpServletRequest request 相关方法 得到路径

/* --------------------------POST------------->http://192.168.1.211:8080/demo/index.jspusername=qqqqpassword=wwwwemail=1063128263@qq.com发送请求！ */request.getMethod()=POSTrequest.getContextPath()=/demorequest.getRequestURI()=/demo/regrequest.getRequestURL()=http://192.168.1.211:8080/demo/regrequest.getServletPath()=/reg/* http://192.168.1.211:8080/demo/index.jsp?username=1&password=1&email=1 *///-----------------------GET------------------->request.getMethod()=GETrequest.getContextPath()=/demorequest.getQueryString()=username=1&password=1&email=1request.getRequestURI()=/demo/index.jsprequest.getRequestURL()=http://192.168.1.211:8080/demo/index.jsprequest.getServletPath()=/index.jsp