ModelAndView
@RequestMapping("/testModelAndView")
public ModelAndView testModelAndView(){
//创建ModelAndView对象
ModelAndView mv = new ModelAndView();
System.out.println("testModelAndView执行了");
//模拟从数据库中查出User对象
User user = new User();
user.setUserName("会有");
user.setPassWord("636");
user.setAge(30);
//那user对象存储到mv对象中，也会把user对象存入到request对象中
mv.addObject("user",user);
//跳转到哪个页面
mv.setViewName("success");
return mv;
}
ページの前方とリダイレクトのためのジャンプ
@RequestMapping("/testForwardAndRedirect")
public String testForwardAndRedirect(){
System.out.println("testForwardAndRedirect执行了");
// return "forward:/WEB-INF/pages/success.jsp";
return "redirect:/index.jsp";
}
ResponseBody応答データJSON
@RequestMapping("/testAjax")
public void testAjax(@RequestBody String body){
System.out.println("testAjax执行了");
System.out.println(body);
}
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
<script src="js/jquery-1.11.3.min.js"></script>
<script>
$(function () {
$("#btn").click(function () {
alert("hello!");
$.ajax({
url:"user/testAjax",
contentType:"application/json;charset=utf-8",
type:"post",
dataType:"json",
data:'{"username":"hehe","password":"123456","age":"20"}',
success:function (data) {
}
})
})
})
</script>
</head>
<body>
<a href="user/testString">testString</a>
<br/>
<a href="user/testVoid">testVoid</a>
<br/>
<a href="user/testModelAndView">testModelAndView</a>
<br/>
<a href="user/testForwardAndRedirect">testForwardAndRedirect</a>
<br/>
<button id="btn">发送ajax请求</button>
</body>
</html>
*使用する必要があるため、JSONデータパケットのJava Beanのパッケージを話すこと：
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.8</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.9.8</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.9.8</version>
</dependency>
$(function () {
$("#btn").click(function () {
alert("hello!");
$.ajax({
url:"user/testAjax",
contentType:"application/json;charset=utf-8",
type:"post",
dataType:"json",
data:'{"userName":"回复我","passWord":"123456","age":"20"}',
success:function (data) {
alert(data)
alert(data.userName+"---"+data.passWord+"---"+data.age);
}
})
})
})
@RequestMapping("/testAjax")
public @ResponseBody User testAjax(@RequestBody User user){
System.out.println("testAjax执行了");
//客户端发送ajax请求，传的时json字符串，后端把json字符串封装到user对象中
System.out.println(user);
return user;
}
