JSONConfig处理日期
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2022-07-12 15:53:13
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javaBean转JSON对象的时候,使用JSONObject.fromObject(object)的时候,针对日期转换显示的不是我们想要的效果。具体详情见如下测试代码:
javaBean对象
package com.zhdw.mgrclient.test;
import java.util.Date;
public class Person {
private String name;
private int age;
private Date birthday;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public Date getBirthday() {
return birthday;
}
public void setBirthday(Date birthday) {
this.birthday = birthday;
}
}
测试类:
package com.zhdw.mgrclient.test;
import java.util.Date;
import net.sf.json.JSONObject;
public class JSONTest {
public static void main(String[] args) {
Person hbk = new Person();
hbk.setAge(30);
hbk.setName("黄宝康");
hbk.setBirthday(new Date());
JSONObject object = JSONObject.fromObject(hbk);
System.out.println(object);
}
}
运行输出的结果:
{"birthday":{"time":1526873584591,"minutes":33,"seconds":4,"hours":11,"month":4,"year":118,"timezoneOffset":-480,"day":1,"date":21},"name":"黄宝康","age":30}
如果我们想输出yyyy-MM-dd格式,需要配合使用JsonConifg类
package com.zhdw.mgrclient.test;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import net.sf.json.JsonConfig;
import net.sf.json.processors.JsonValueProcessor;
public class JsonDateValueProcessor implements JsonValueProcessor{
private String format ="yyyy-MM-dd";
public JsonDateValueProcessor() {
super();
}
public JsonDateValueProcessor(String format) {
super();
this.format = format;
}
@Override
public Object processArrayValue(Object object, JsonConfig arg1) {
// TODO Auto-generated method stub
return process(object);
}
@Override
public Object processObjectValue(String arg0, Object object, JsonConfig arg2) {
// TODO Auto-generated method stub
return process(object);
}
private Object process(Object value){
if(value instanceof Date){
SimpleDateFormat sdf = new SimpleDateFormat(format,Locale.CHINA);
return sdf.format(value);
}
return value == null ? "" : value.toString();
}
}
新建一个JsonDateValueProcessor 类实现JsonValueProcessor接口,在使用JSONObject.fromObject(object)的时候,多传入一个JsonConfig配置对象。
代码如下:
package com.zhdw.mgrclient.test;
import java.util.Date;
import net.sf.json.JSONObject;
import net.sf.json.JsonConfig;
public class JSONTest {
public static void main(String[] args) {
Person hbk = new Person();
hbk.setAge(30);
hbk.setName("黄宝康");
hbk.setBirthday(new Date());
JsonConfig config = new JsonConfig();
config.registerJsonValueProcessor(Date.class,new JsonDateValueProcessor());
JSONObject object = JSONObject.fromObject(hbk,config);
System.out.println(object);
}
}
运行后控制台输出:
{"birthday":"2018-05-21","name":"黄宝康","age":30}
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