Spring MVC 異步互動demo：
1.jsp頁面：
pageEncoding="utf-8"%>
html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
Insert title here
function ajaxTest(){
$.ajax({
data:"name="+$("#name").val(),
type:"GET",
dataType: 'json',
url:"user/login.do",
error:function(data){
alert("出錯了！！:"+data.msg);
},
success:function(data){
alert("success:"+data.msg);
$("#result").html(data.msg) ;
}
});
}
2.controller：
package xm.zjl.controller;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
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.bind.annotation.ResponseBody;
@Controller
@RequestMapping("/user/*")
public class LoginController {
@RequestMapping(value="login.do")
public @ResponseBody Map login(HttpServletRequest request,HttpServletResponse response) throws IOException{
System.out.println(request.getParameter("name"));
Map map = new HashMap();
if(request.getParameter("name").equals("123")){
System.out.println("城東");
map.put("msg", "成功");
}else{
System.out.println("失敗");
map.put("msg", "失敗");
}
return map;
}
}