JsonUtils

package com.dhc.util;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import java.text.SimpleDateFormat;

public class JsonUtils {

public static String getJson(Object object){
    return getJson(object,"yyyy-MM-dd HH:mm:ss");
}

public static String getJson(Object object,String dateFormat){
    ObjectMapper mapper = new ObjectMapper();
    //关闭时间戳功能
    mapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS,false);
    //自定义时间格式化对象
    SimpleDateFormat simpleDateFormat = new SimpleDateFormat(dateFormat);
    //指定时间日期格式
    mapper.setDateFormat(simpleDateFormat);
    try {
        return mapper.writeValueAsString(object);
    } catch (JsonProcessingException e) {
        e.printStackTrace();
    }
    return null;
}

}

原文：https://www.cnblogs.com/dhc1995/p/14779392.html