• ResultCode

package com.xuecheng.framework.model.response;

/**
 * Created by wjp on 2018/3/5.
 * 10000-- 通用错误代码
 * 22000-- 媒资错误代码
 * 23000-- 用户中心错误代码
 * 24000-- cms错误代码
 * 25000-- 文件系统
 */
public interface ResultCode {
    //操作是否成功,true为成功，false操作失败
    boolean success();
    //操作代码
    int code();
    //提示信息
    String message();

}

• CommonCode

package com.xuecheng.framework.model.response;

import lombok.ToString;

/**
 * @Author: wjp.
 * @Description:
 * @Date:Created in 2018/1/24 18:33.
 * @Modified By:
 */

@ToString
public enum CommonCode implements ResultCode{

    SUCCESS(true,10000,"操作成功！"),
    FAIL(false,11111,"操作失败！"),
    UNAUTHENTICATED(false,10001,"此操作需要登陆系统！"),
    UNAUTHORISE(false,10002,"权限不足，无权操作！"),
    SERVER_ERROR(false,99999,"抱歉，系统繁忙，请稍后重试！");
//    private static ImmutableMap<Integer, CommonCode> codes ;
    //操作是否成功
    boolean success;
    //操作代码
    int code;
    //提示信息
    String message;
    private CommonCode(boolean success,int code, String message){
        this.success = success;
        this.code = code;
        this.message = message;
    }

    @Override
    public boolean success() {
        return success;
    }
    @Override
    public int code() {
        return code;
    }

    @Override
    public String message() {
        return message;
    }


}

• Response

package com.xuecheng.framework.model.response;

/**
 * @Author: wjp.
 * @Description:
 * @Date:Created in 2018/1/24 18:33.
 */
public interface Response {
    public static final boolean SUCCESS = true;
    public static final int SUCCESS_CODE = 10000;
}

• ResponseResult

package com.xuecheng.framework.model.response;

import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;

/**
 * @Author: wjp.
 * @Description:
 * @Date:Created in 2018/1/24 18:33.
 * @Modified By:
 */
@Data
@ToString
@NoArgsConstructor
public class ResponseResult implements Response {

    //操作是否成功
    boolean success = SUCCESS;

    //操作代码
    int code = SUCCESS_CODE;

    //提示信息
    String message;

    public ResponseResult(ResultCode resultCode){
        this.success = resultCode.success();
        this.code = resultCode.code();
        this.message = resultCode.message();
    }

    public static ResponseResult SUCCESS(){
        return new ResponseResult(CommonCode.SUCCESS);
    }
    public static ResponseResult FAIL(){
        return new ResponseResult(CommonCode.FAIL);
    }

}

• QueryResponseResult

package com.xuecheng.framework.model.response;

import lombok.Data;
import lombok.ToString;

@Data
@ToString
public class QueryResponseResult extends ResponseResult {

    QueryResult queryResult;

    public QueryResponseResult(ResultCode resultCode,QueryResult queryResult){
        super(resultCode);
       this.queryResult = queryResult;
    }

}

• QueryResult

package com.xuecheng.framework.model.response;

import lombok.Data;
import lombok.ToString;

import java.util.List;

/**
 * @Author: wjp
 * @Description:
 * @Date:Created in 2018/1/24 18:33.
 * @Modified By:
 */
@Data
@ToString
public class QueryResult<T> {
    //数据列表
    private List<T> list;
    //数据总数
    private long total;

}

mvc返回头