基础实体类

Posted 2021-01-04 huanghuanghui

package com.jn.tpr.entity.basic;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

import java.io.Serializable;
import java.lang.reflect.Type;

/**
 * 基础实体类，所有的实体都应继承当前的基础实体类
 */
@SuppressWarnings("serial")
public class Entity<TEntity> implements Serializable {

    /**
     * 对象复制
     */
    public TEntity copy(Entity entity) {
        Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd HH:mm:ss").create();
        TEntity copy = (TEntity) gson.fromJson(gson.toJson(entity), this.getClass());
        return copy;
    }

    /**
     * 转换为json字符串
     */
    public String toJson() {
        return new GsonBuilder().setDateFormat("yyyy-MM-dd HH:mm:ss").create().toJson(this);
    }

    public Entity() {
    }

    public TEntity toEntity(String json) {
        return (TEntity) new GsonBuilder().setDateFormat("yyyy-MM-dd HH:mm:ss").create().fromJson(json, this.getClass());
    }

    public TEntity toEntity(String json, Type type) {
        return (TEntity) new GsonBuilder().setDateFormat("yyyy-MM-dd HH:mm:ss").create().fromJson(json, type);
    }

    @Override
    public String toString() {
        return toJson();
    }

}