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统一结果集返回类R

时间:2022-11-30 09:35:35浏览次数:29  
标签:返回 return 结果 put static error msg public 统一

/**
* Copyright (c) 2016-2019 人人开源 All rights reserved.
*
* https://www.renren.io
*
* 版权所有,侵权必究!
*/

package com.atguigu.common.utils;

import org.apache.http.HttpStatus;
import java.util.HashMap;
import java.util.Map;

/**
* 返回数据
*
* @author Mark [email protected]
*/
public class R extends HashMap<String, Object> {
private static final long serialVersionUID = 1L;

public R() {
put("code", 0);
put("msg", "success");
}

public static R error() {
return error(HttpStatus.SC_INTERNAL_SERVER_ERROR, "未知异常,请联系管理员");
}

public static R error(String msg) {
return error(HttpStatus.SC_INTERNAL_SERVER_ERROR, msg);
}

public static R error(int code, String msg) {
R r = new R();
r.put("code", code);
r.put("msg", msg);
return r;
}

public static R ok(String msg) {
R r = new R();
r.put("msg", msg);
return r;
}

public static R ok(Map<String, Object> map) {
R r = new R();
r.putAll(map);
return r;
}

public static R ok() {
return new R();
}

public R put(String key, Object value) {
super.put(key, value);
return this;
}
}


eg:
@GetMapping("/{attrgroupId}/attr/relation")
public R attrRelation(@PathVariable("attrgroupId") Long attrgroupId) {
List<AttrEntity> entities = attrService.getRelationAttr(attrgroupId);
return R.ok().put("data", entities);
}
 

标签:返回,return,结果,put,static,error,msg,public,统一
From: https://www.cnblogs.com/sensenh/p/16937436.html

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