【微服务】通信工具类

Dear 丶 2024-03-31 08:06 82阅读 0赞

> 封装了一个常用的工具类，用来返回数据信息

public class Result<T> {
        private String code;    //状态码
        private String msg;     //消息
        private T data;         //数据
    
        //带参构造器
        public Result(T data) {
            this.data = data;
        }
        //无参构造器
        public Result(){}
    
        /**
         * 成功时的返回对象
         */
        //不携带数据对象
        public static Result success(){
            Result result = new Result<>();
            result.setCode("200");
            result.setMsg("成功！（不携带数据对象）");
            return result;
        }
        //携带数据对象
        public static <T> Result<T> success(T data){
            Result<T> result = new Result<>(data);
            result.setCode("200");
            result.setMsg("成功！(携带数据对象)");
            return result;
        }
        //携带数据对象+信息
        public static <T> Result<T> success(String msg, T data){
            Result<T> result = new Result<>(data);
            result.setCode("200");
            result.setMsg(msg);
            return result;
        }
        /**
         * 失败时的返回对象
         */
        //不携带数据对象
        public static Result error(String code, String msg){
            Result result = new Result<>();
            result.setCode(code);
            result.setMsg(msg);
            return result;
        }
        //携带数据对象
        public static <T> Result<T> error(String code, String msg,T data){
            Result<T> result = new Result<>(data);
            result.setCode(code);
            result.setMsg(msg);
            return result;
        }
    
        public String getCode() {
            return code;
        }
    
        public void setCode(String code) {
            this.code = code;
        }
    
        public String getMsg() {
            return msg;
        }
    
        public void setMsg(String msg) {
            this.msg = msg;
        }
    
        public T getData() {
            return data;
        }
    
        public void setData(T data) {
            this.data = data;
        }
    }