Spring Mvc Demo

package com.spring.controller; import java.util.Map; import javax.servlet.http.HttpServletRequest; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; @Controller //设置Controller控制器 public class HelloController { @RequestMapping(value="/hello")//设置访问方法 //通过 http://localhost:端口/SpringMvc02/hello 访问 public String hello(){ return "/hello"; } @RequestMapping(value="/add") //通过 http://localhost:端口/SpringMvc02/add 访问 public String add(Map<String,String> map){ map.put("hello", "hello Spring Mvc"); return "/add"; } @RequestMapping (value="/model") //通过 http://localhost:端口/SpringMvc02/model?userid=111 访问 public String model(@RequestParam(value="userid") int id,Model model){ model.addAttribute("hello", "你好"); model.addAttribute("你好啊！"); model.addAttribute(1111); return "/add"; } @RequestMapping (value="/request") //通过 http://localhost:端口/SpringMvc02/ 访问 然后提交 查看控制台看效果 public String request(HttpServletRequest req){ System.out.println(req.getParameter("username")); System.out.println(req.getParameter("password")); return "/hello"; } }