Ajax post json xml to SpringMVC 2016-07-25 02:24
We can use json and xml to store complex data in our application. In this post I will show you how to use Ajax post xml and json to springMVC. For quickly starting I use Spring Boot in my example. The code also works in SpringMVC.
Structure of project
├─main
│ ├─java
│ │ └─com
│ │ └─henryxi
│ │ └─post
│ │ SamplePostController.java
│ │ User.java
│ │
│ └─resources
│ │ application.properties
│ │
│ └─META-INF
│ └─resources
│ │ jquery.1.12.0.js
│ │
│ └─WEB-INF
│ └─jsp
│ post.jsp
│
└─test
└─java
pom.xml
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<version>8.0.28</version>
</dependency>
</dependencies>
User.java
Don't forget getter and setter methods. If you missing them the variable user will be empty.
@XmlRootElement
public class User {
private String name;
private String age;
//getter and setter methods
@Override
public String toString() {
return "User{" +
"name='" + name + '\'' +
", age='" + age + '\'' +
'}';
}
}
SamplePostController.java There are two method in controller. postXml will handle the xml and postJson will handle the json.
@Controller
@EnableAutoConfiguration
public class SamplePostController extends SpringBootServletInitializer {
@RequestMapping("/")
public String index() {
return "post";
}
@RequestMapping(path = "/post-xml", method = RequestMethod.POST)
@ResponseBody
public String postXml(@RequestBody User user) throws IOException {
return user.toString();
}
@RequestMapping(path = "/post-json", method = RequestMethod.POST)
@ResponseBody
public String postJson(User user) {
return user.toString();
}
public static void main(String[] args) throws Exception {
SpringApplication.run(SamplePostController.class, args);
}
}
post.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>post</title>
</head>
<body>
<script type="application/javascript" src="jquery.1.12.0.js"></script>
<input id="postXmlBtn" type="button" value="post xml">
<br>
<input id="postJsonBtn" type="button" value="post json">
<div id="content"></div>
<script type="application/javascript">
$('#postXmlBtn').click(function () {
var xml = '';
$.ajax({
url: 'post-xml',
type: 'POST',
contentType: "application/xml",
data: '<user><name>henryxi</name><age>28</age></user>',
success: function (data) {
$('#content').html(data);
},
error: function (xhr, status, error) {
var err = eval("(" + xhr.responseText + ")");
alert(err.Message);
}
});
});
$('#postJsonBtn').click(function () {
$.post('post-json', {"name": "henry", "age": 28}, function (data) {
$('#content').html(data);
})
});
</script>
</body>
</html>
application.properties
spring.mvc.view.prefix=/WEB-INF/jsp/
spring.mvc.view.suffix=.jsp
server.port=8090
Run the main method of controller and access localhost:8090 you will see two buttons. The one is for posting xml the other one is for posting json. After clicking the button the content of page will change.