Maven?

Lombok項目是一個Java庫，它會自動插入您的編輯器和構建工具中，從而為您的Java增光添彩。

永遠不要再編寫另一個getter或equals方法，帶有一個注釋的類將具有功能全面的生成器，自動執行日志記錄變量等等。?

<dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><optional>true</optional></dependency>

源代碼

package com.zstu.metrocity.dto;import lombok.Data;/*** @Author ShenTuZhiGang* @Version 1.0.0* @Date 2020-02-10 12:51*/ @Data public class ResponseBean {private Integer status;private String msg;private Object data;public static ResponseBean build() {return new ResponseBean();}public static ResponseBean ok(String msg) {return new ResponseBean(200, msg, null);}public static ResponseBean ok(String msg, Object obj) {return new ResponseBean(200, msg, obj);}public static ResponseBean error(String msg) {return new ResponseBean(500, msg, null);}public static ResponseBean error(String msg, Object obj) {return new ResponseBean(500, msg, obj);}private ResponseBean() {}private ResponseBean(Integer status, String msg, Object obj) {this.status = status;this.msg = msg;this.data = obj;} }

基于Builder模式

import com.*.web.common.ResponseBeanMessage; import lombok.Builder; import lombok.Data;import java.io.Serializable;/*** Response Bean* @author ShenTuZhiGang* @version 1.1.0* @date 2020-02-10 12:51*/ @Data @Builder public class ResponseBean implements Serializable {private Integer status;private String msg;private Object data;public static ResponseBean success(){return success(ResponseBeanMessage.SUCCESS);}public static ResponseBean success(String msg) {return success( msg, null);}public static ResponseBean success(Object obj){return success(ResponseBeanMessage.SUCCESS,obj);}public static ResponseBean success(String msg, Object obj) {return new ResponseBean(200, msg, obj);}public static ResponseBean ok(String msg) {return success(msg);}public static ResponseBean ok(String msg, Object obj){return success(msg,obj);}public static ResponseBean error(){return error(ResponseBeanMessage.ERROR);}public static ResponseBean error(String msg) {return error(msg, null);}public static ResponseBean error(Object obj) {return new ResponseBean(500,ResponseBeanMessage.ERROR, obj);}public static ResponseBean error(String msg, Object obj) {return new ResponseBean(500, msg, obj);}private ResponseBean() {}public ResponseBean(Integer status) {this.status = status;}public ResponseBean(Integer status, String msg) {this.status = status;this.msg = msg;}private ResponseBean(Integer status, String msg, Object obj) {this.status = status;this.msg = msg;this.data = obj;} }

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總結

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