web层统一返回base类

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;

/**
 * Created  by 
 * base类
 * 
 */
public class Base<T> {
    private Integer code;//返回码
    private String info;//返回信息
    private T data;//返回值

    public Base(Integer code, String info, T data) {
        this.code = code;
        this.info = info;
        this.data = data;
    }

    public Base() {
    }

    public Integer getCode() {
        return code;
    }

    public void setCode(Integer code) {
        this.code = code;
    }

    public String getInfo() {
        return info;
    }

    public void setInfo(String info) {
        this.info = info;
    }

    public T getData() {
        return data;
    }

    public void setData(T data) {
        this.data = data;
    }

    /**
     * 带信息的错误返回
     * @param msg
     * @return
     */
    public static Base error(String msg) {
        Base Base = new Base();
        Base.setCode(500);
        Base.setInfo(msg);
        return Base;
    }

    /**
     * 带编码和信息的错误返回
     * @param code
     * @param msg
     * @return
     */
    public static Base error(Integer code, String msg) {
        Base Base = new Base();
        Base.setCode(code);
        Base.setInfo(msg);
        return Base;
    }

    /**
     * 异常返回，带具体错误编码和信息
     *
     * @param resultEnum
     * @return
     */
    public static Base error(ResultEnum resultEnum) {
        Base Base = Base(resultEnum);
        return Base;
    }

    /**
     * 异常返回，带具体错误编码、信息和数据
     *
     * @param resultEnum
     * @param data
     * @return
     */
    public static Base error(ResultEnum resultEnum, Object... data) {
        Base Base = Base(resultEnum, data);
        return Base;
    }

    /**
     * 异常返回，带具体错误信息和返回数据
     * @param msg
     * @param data
     * @return
     */
    public static Base error(String msg, Object... data) {
        Base Base = Base(ResultEnum.ERROR, data);
        Base.setInfo(msg);
        return Base;
    }

    /**
     * 默认的成功返回
     * @return
     */
    public static Base success() {
        Base Base = new Base();
        Base.setCode(200);
        Base.setInfo("操作成功");
        return Base;
    }
    public static Base successM(Integer code,String msg,Object data) {
        Base Base = new Base();
        Base.setCode(code);
        Base.setInfo(msg);
        Base.setData(data);
        return Base;
    }
    public static Base errorM(Integer code,String msg,Object data) {
        Base Base = new Base();
        Base.setCode(code);
        Base.setInfo(msg);
        Base.setData(data);
        return Base;
    }
    /**
     * 带信息的成功返回，用在增删改
     * @param msg
     * @return
     */
    public static Base success(String msg) {
        Base Base = success();
        Base.setInfo(msg);
        return Base;
    }

    /**
     * 带数据的成功返回，用在查
     * @param msg
     * @param data
     * @return
     */
    public static Base success(String msg, Object... data) {
        Base Base = successD(data);
        Base.setInfo(msg);
        return Base;
    }

    /**
     * 带数据的成功返回,不自定义msg，用在查
     * @param data
     * @return
     */
    public static Base successD(Object... data) {
        Base Base = Base(ResultEnum.SUCCESS, data);

        return Base;
    }

    /**
     * 带信息返回
     * @param resultEnum
     * @return
     */
    private static Base Base(ResultEnum resultEnum) {
        Base Base = new Base();
        Base.setCode(resultEnum.getCode());
        Base.setInfo(resultEnum.getMessage());
        return Base;
    }

    /**
     * 帶信息、数据返回
     *
     * @param resultEnum
     * @param data
     * @return Base
     */
    private static Base Base(ResultEnum resultEnum, Object... data) {
        Base Base = new Base();
        Base.setCode(resultEnum.getCode());
        Base.setInfo(resultEnum.getMessage());
        Integer length = data.length;
        if (length == 1) {
            Base.setData(data[0]);
        } else {
            JSONObject rs = new JSONObject();
            for (int i = 0; i < length; i = i + 2) {
                rs.put(data[i].toString(), data[i + 1]);
            }
            Base.setData(rs);
        }
        return Base;
    }

    @Override
    public String toString() {
        return JSON.toJSONString(this);
    }

    public static void main(String[] args) {
        Base a = success("b", "a");
    }
}

数据字典: 枚举

public enum ResultEnum {
    SUCCESS(200, "成功"),

    SUCCESS_SAVE(200, "保存成功"),

    ERROR(500, "操作失败");

    private Integer code;

    private String message;

    ResultEnum(Integer code, String message) {
        this.code = code;
        this.message = message;
    }

    public Integer getCode() {
        return code;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

}