jackson的工具类

package com.example.fuxi.utils;



import com.fasterxml.jackson.core.JsonProcessingException;

import com.fasterxml.jackson.databind.ObjectMapper;

import com.fasterxml.jackson.databind.SerializationFeature;

import java.text.SimpleDateFormat;

public class jsonUntil {



    public static String getJson(Object obj) {

        return getJson(obj,"YYYY-MM-DD HH:MM:SS");

    }



    public static String getJson(Object obj,String DateFormat) {

        ObjectMapper mapper = new ObjectMapper();

        mapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS,false);

        final SimpleDateFormat sdf = new SimpleDateFormat(DateFormat);

        mapper.setDateFormat(sdf);

        try {

            return mapper.writeValueAsString(obj);

        } catch (JsonProcessingException e) {

            e.printStackTrace();

        }

        return null;

    }



}