pms/src/main/java/com/izouma/zhumj/converter/MapConverter.java

package com.izouma.zhumj.converter;

import com.alibaba.fastjson.JSONObject;

import javax.persistence.AttributeConverter;
import java.util.HashMap;
import java.util.Map;

public class MapConverter implements AttributeConverter<Map<String, Object>, String> {
    @Override
    public String convertToDatabaseColumn(Map<String, Object> map) {
        if (map == null) return null;
        return new JSONObject(map).toJSONString();
    }

    @Override
    public Map<String, Object> convertToEntityAttribute(String s) {
        try {
            JSONObject jsonObject = JSONObject.parseObject(s);
            return jsonObject.getInnerMap();
        } catch (Exception ignore) {
        }
        return new HashMap<>();
    }
}