spring mvc demo 简单框架搭建

package com.springmvc.controller; import java.io.IOException; import java.util.ArrayList; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.ModelAndView; @Controller public class ViewController { @RequestMapping("/view") public ModelAndView view(HttpServletRequest request){ ModelAndView mav = new ModelAndView(); System.out.println("*************"); mav.setViewName("login"); return mav; } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //得到用户名和密码 String u=request.getParameter("username"); u=new String(u.getBytes("ISO-8859-1"),"gb2312"); //转换编码 String p=request.getParameter("passwd"); //使用模型，完成验证 System.out.println("*************"+p); if(u=="wjg"&&p=="123"){ //在跳转到wel.jsp request.getRequestDispatcher("main.jsp").forward(request,response); }else{ } } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //合二为一 this.doGet(request,response); } }