返回结果集工具类

• 案例1

import com.alibaba.fastjson.JSON;
 
public class RespResult {
 
	private int code;
	private String msg;
	private Object data;
 
	public int getCode() {
		return code;
	}
	public void setCode(int code) {
		this.code = code;
	}
	public String getMsg() {
		return msg;
	}
	public void setMsg(String msg) {
		this.msg = msg;
	}
	public Object getData() {
		return data;
	}
	public void setData(Object data) {
		this.data = data;
	}
	
	public RespResult() {
		super();
	}
	public RespResult(int code, String msg, Object data) {
		this.code = code;
		this.msg = msg;
		this.data = data;
	}
 
	public static String success() {
		return success("请求成功", null);
	}
	public static String success(String msg) {
		return success(msg, null);
	}
	public static String success(Object data) {
		return success("请求成功", data);
	}
	//转为json格式
	public static String success(String msg, Object data) {
		RespResult rr = new RespResult(20000, msg, data);
		return JSON.toJSONString(rr);
	}
	
	public static String error(String msg) {
		return error(msg, null);
	}
	public static String error(Object data) {
		return error("请求失败", data);
	}
	public static String error(String msg, Object data) {
		RespResult rr = new RespResult(20002, msg, data);
		return JSON.toJSONString(rr);
	}
	
}

• 案例2

import com.alibaba.fastjson.PropertyNamingStrategy;
import com.alibaba.fastjson.annotation.JSONType;
import com.dxc.dxc.healthcare.platformsso.infrastructure.util.ValidUtil;
import java.util.HashMap;
 
/**
 * 用户数据返回的实体
 */
@JSONType(naming = PropertyNamingStrategy.CamelCase)
public class JSONResult {
 
    public final static String REDIRECT_URL_KEY = "redirect_url";
 
    public final static Integer OK = 200;
    public final static Integer code301 = 301;
    public final static Integer code400 = 400;
    public final static Integer code401 = 401;
    public final static Integer code403 = 403;
    public final static Integer code404 = 404;
    public final static Integer code406 = 406;
    public final static Integer code500 = 500;
    public final static Integer code800 = 800;
    public final static Integer code801 = 801;
    public final static Integer code802 = 802;
    public final static Integer code803 = 803;
 
    public final static Integer TOKEN_AUTO_REFRESH_2000 = 2000;
    public final static Integer TOKEN_MT_REFRESH_2001 = 2001;
 
    public final static Integer USER_ERROR_10001 = 10001;
    public final static Integer USER_ERROR_10002 = 10002;
    public final static Integer USER_ERROR_10003 = 10003;
    public final static Integer USER_ERROR_10004 = 10004;
    public final static Integer USER_ERROR_10005 = 10005;
    public final static Integer USER_ERROR_10006 = 10006;
 
    public final static Integer USER_ERROR_UNLOGIN = 30002;
    public final static Integer INPUT_ERROR = 40001;
    public final static Integer INPUT_ERROR_UNVALID = 40002;
    public final static Integer BUSINESS_ERROR = 50001;
 
    public final static Integer USER_PULL_AGAIN = 10301;
 
    public enum ResultCode {
 
        OK(JSONResult.OK, "请求成功"),
        code301(JSONResult.code301, "需要重定向到新的页面"),
        code400(JSONResult.code400, "系统错误,操作失败，请稍候重试"),
        code401(JSONResult.code401, "对不起请登录"),
        code403(JSONResult.code403, "对不起，您无权访问"),
        code404(JSONResult.code404, "对不起，服务未找到"),
        code406(JSONResult.code406, "当前token不可接受，请刷新token"),
 
        code500(JSONResult.code500, "服务异常，请稍后重试"),
 
        TOKEN_AUTO_REFRESH_2000(JSONResult.TOKEN_AUTO_REFRESH_2000, "自动刷新access_token,请用新的token访问"),
        TOKEN_MT_REFRESH_2001(JSONResult.TOKEN_MT_REFRESH_2001, "手动刷新access_token,请用新的token访问"),
 
        USER_ERROR_10001(JSONResult.USER_ERROR_10001, "用户名或者密码错误"),
        USER_PULL_AGAIN(JSONResult.USER_PULL_AGAIN,"重新拉取"),
 
        INPUT_ERROR(JSONResult.INPUT_ERROR, "用户输入的参数不正确");
 
        private Integer code;
        private String name;
 
        private ResultCode(Integer code, String name) {
            this.code = code;
            this.name = name;
        }
 
        public Integer getCode() {
            return code;
        }
    }
 
    private int code;
    private String msg;
    private Object data;
    private Long timestamp;
 
    public Object getData() {
        return data;
    }
 
    public void setData(Object data) {
        this.data = data;
    }
 
    public int getCode() {
        return code;
    }
 
    public String getMsg() {
        return msg;
    }
 
    public Long getTimestamp() {
        return timestamp;
    }
 
    public JSONResult() {
        this(null);
    }
 
    public JSONResult(Object returndata) {
        this(ResultCode.OK, returndata);
    }
 
    public JSONResult(ResultCode resultCode, Object returndata) {
        this.code = resultCode.code;
        this.msg = resultCode.name;
        this.data = returndata;
        this.timestamp = System.currentTimeMillis();
    }
 
    public JSONResult(Integer resultCode, String msg) {
        this.code = resultCode;
        this.msg = msg;
        this.data = null;
        this.timestamp = System.currentTimeMillis();
    }
 
    /**
     * 注意： 这个不能跟setData 和 new JSONResult(ResultCode resultCode, Object returndata)混用
     *
     * @param key
     * @param value
     * @return
     */
    public JSONResult map(String key, Object value){
        HashMap<String, Object> map = null;
        if(data == null){
            map = new HashMap<>();
        }else if(data instanceof HashMap){
            map = (HashMap<String, Object>) data;
        }
        if(!ValidUtil.isEmpty(value)){
            map.put(key,value);
            this.setData(map);
        }
        return this;
    }
 
    public JSONResult code(ResultCode resultCode){
        this.code = resultCode.code;
        this.msg = resultCode.name;
        return this;
    }
 
    public JSONResult msg(String msg){
        this.msg = msg;
        return this;
    }
 
    public JSONResult data(Object data){
        this.data = data;
        return this;
    }
 
    public HashMap<String, Object> dataGet(){
        if(this.data instanceof HashMap){
            return (HashMap<String, Object>) this.data;
        }
        return new HashMap<>();
    }
 
    public boolean hasKeyOfData(String key){
        return this.dataGet().keySet().contains(key);
    }
 
}