寫在前面的話
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一、POM.XML文件
<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.fs</groupId>
<artifactId>springboot_json_3</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>springboot_json_3 Maven Webapp</name>
<url>http://maven.apache.org</url>
<!-- spring boot 父節點依賴,引入這個之後相關的引入就不需要添加version配置,spring boot會自動選擇最合適的版本進行添加。 -->
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.4.1.RELEASE</version>
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<!-- 指定一下jdk的版本 ,這裏我們使用jdk 1.8 ,默認是1.6 -->
<java.version>1.8</java.version>
</properties>
<dependencies>
<!-- spring-boot-starter-web: MVC,AOP的依賴包.... -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<!-- <version></version> 由於我們在上面指定了 parent(spring boot) -->
</dependency>
<!-- 添加fastjson 依賴包. -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.15</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>springboot_json_3</finalName>
</build>
</project>
二、HelloController.java
package com.fs;
import java.util.Date;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class HelloController {
@RequestMapping("/getJson")
public Demo getJson() {
Demo demo = new Demo();
demo.setId(1);
demo.setName("張三");
demo.setCreateTime(new Date());
return demo;
}
}
三、Demo.java
package com.fs;
import java.util.Date;
import com.alibaba.fastjson.annotation.JSONField;
public class Demo {
private int id;
private String name;
// com.alibaba.fastjson.annotation.JSONField
@JSONField(format = "yyyy-MM-dd HH:mm")
private Date createTime;
public int getId() {
return id;
}
public Date getCreateTime() {
return createTime;
}
public void setCreateTime(Date createTime) {
this.createTime = createTime;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
package com.fs;
import java.util.List;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
@SpringBootApplication
public class App extends WebMvcConfigurerAdapter {
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
super.configureMessageConverters(converters);
FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
FastJsonConfig fastJsonConfig = new FastJsonConfig();
fastConverter.setDateFormat("yyyy-MM-dd HH:mm:ss");
fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);
fastConverter.setFastJsonConfig(fastJsonConfig);
converters.add(fastConverter);
}
public static void main(String[] args) {
SpringApplication.run(App.class, args);
}
}
五、運行