springMVC+ajax+json

package com.zdp.controll; import java.io.PrintWriter; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import cn.zdp.bean.Person; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.serializer.SerializerFeature; @Controller public class PersonControll { @RequestMapping("toAjax.do") public String toAjax() { return "ajax"; } @RequestMapping(value = "ajax.do", method = RequestMethod.GET) public void ajax(@ModelAttribute Person person,PrintWriter printWriter) { System.out.println(person); String jsonString = JSON.toJSONString(person, SerializerFeature.PrettyFormat); printWriter.write(jsonString); printWriter.flush(); printWriter.close(); } }