发ajax响应json格式数据
2021-04-14 07:26
阅读：537
标签：content webapp coding ase ica compiler span creat lease
1、maven依赖
xml version="1.0" encoding="UTF-8"?> project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> modelVersion>4.0.0modelVersion> groupId>com.ly.mvcgroupId> artifactId>springmvc02artifactId> version>1.0-SNAPSHOTversion> packaging>warpackaging> name>springmvc02 Maven Webappname> url>http://www.example.comurl> properties> project.build.sourceEncoding>UTF-8project.build.sourceEncoding> maven.compiler.source>13maven.compiler.source> maven.compiler.target>13maven.compiler.target> spring.version>5.0.2.RELEASEspring.version> properties> dependencies> dependency> groupId>org.springframeworkgroupId> artifactId>spring-contextartifactId> version>${spring.version}version> dependency> dependency> groupId>org.springframeworkgroupId> artifactId>spring-webartifactId> version>${spring.version}version> dependency> dependency> groupId>org.springframeworkgroupId> artifactId>spring-webmvcartifactId> version>${spring.version}version> dependency> dependency> groupId>javax.servletgroupId> artifactId>javax.servlet-apiartifactId> version>3.0.1version> scope>providedscope> dependency> dependency> groupId>javax.servlet.jspgroupId> artifactId>jsp-apiartifactId> version>2.0version> scope>providedscope> dependency> dependency> groupId>com.fasterxml.jackson.coregroupId> artifactId>jackson-coreartifactId> version>2.9.10version> dependency> dependency> groupId>com.fasterxml.jackson.coregroupId> artifactId>jackson-databindartifactId> version>2.9.10version> dependency> dependency> groupId>com.fasterxml.jackson.coregroupId> artifactId>jackson-annotationsartifactId> version>2.9.10version> dependency> dependencies> build> finalName>springmvc02finalName> pluginManagement> plugins> plugin> artifactId>maven-clean-pluginartifactId> version>3.1.0version> plugin> plugin> artifactId>maven-resources-pluginartifactId> version>3.0.2version> plugin> plugin> artifactId>maven-compiler-pluginartifactId> version>3.8.0version> configuration> source>${maven.compiler.source}source> target>${maven.compiler.target}target> configuration> plugin> plugin> artifactId>maven-surefire-pluginartifactId> version>2.22.1version> plugin> plugin> artifactId>maven-war-pluginartifactId> version>3.2.2version> plugin> plugin> artifactId>maven-install-pluginartifactId> version>2.5.2version> plugin> plugin> artifactId>maven-deploy-pluginartifactId> version>2.8.2version> plugin> plugins> pluginManagement> build> project>
2、请求页面
--
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User: Administrator
Date: 2020/2/27
Time: 19:26
To change this template use File | Settings | File Templates.
--%>
@ page contentType="text/html;charset=UTF-8" language="java" %>
html>
head>
title>Titletitle>
script src="js/jquery.min.js" type="text/javascript">script>
script>
$(function() {
$("#btn").click(function() {
$.ajax({
url:"test",
type:"post",
//请求数据类型
contentType:"application/json;charset=UTF-8",
//返回数据类型
dataType:"json",
//注意json格式字符串的写法
data:‘{"name":"刘阳","age":28}‘,
success:function(data) {
console.info(data);
alert(data.name);
alert(data.age);
}
});
});
});
script>
head>
body>
button id="btn">按钮button>
body>
html>
3、处理方法
/** * @ResponseBody 将返回值以json格式返回到页面 * @RequestBody 自动将RequestBody内容映射到User对象 * @ResponseBody和@RequestBody需要如下jar包的支持 * jackson-core * jackson-databind * jackson-annotations */ @RequestMapping("/test") @ResponseBody public User test1(@RequestBody User u) { System.out.println(u); u.setAge(100); System.out.println(u); return u; }
4、总结
4.1、注意ajax请求data的json格式
4.2、处理方法中需使用@RequestBody注解将请求体映射到User对象
4.3、在处理方法上加上@ResponseBody注解将返回值以json格式响应到页面
4.4、@RequestBody和@ResponseBody注解需要jackson-core、jackson-databind、jackson-annotations jar包的支持
发ajax响应json格式数据
标签：content webapp coding ase ica compiler span creat lease
原文地址：https://www.cnblogs.com/liuyang-520/p/12376781.html
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