Spring MVC使用

package orc.dhw.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.portlet.ModelAndView;

import orc.dhw.bean.UserInfo;

@Controller
@RequestMapping("/user")
public class UserInfoController {

	@RequestMapping(value="/test4")
	public ModelAndView test4(){
		ModelAndView mo = new ModelAndView();
		mo.addObject(new UserInfo(1001, "刘德华", "123", 1));
		return mo;
	}
	
	@RequestMapping(value="/test1/{id}/{name}")
	public String test1(@PathVariable("id")String id,@PathVariable("name")String name){
		System.out.println("有人访问我"+id);
		System.out.println("有人访问我"+name);
		return "index";
	}
	
	@RequestMapping(value="/test2")
	public String test2(UserInfo info){
		System.out.println(info);
		return "index";
	}
	
	@RequestMapping(value="/ajax",produces="text/plain;charset=utf-8")
	@ResponseBody
	public String ajax(String name,String pwd){
		System.out.println(name);
		System.out.println(pwd);
		return "这是AJAX请求";
	}
	@RequestMapping(value="/test3")
	public String test3(@RequestParam(value="abc",required=false,defaultValue="aaaaa")String id){
		System.out.println(id);
		return "index";
	}
}