app-api/app/Http/Controllers/Controller.php

<?php

namespace App\Http\Controllers;
use Illuminate\Http\Request;
use Dingo\Api\Routing\Helpers;
use Laravel\Lumen\Routing\Controller as BaseController;

class Controller extends BaseController
{
    use Helpers;

    public function success($data,$msg="ok",$message='成功'){
        $data=is_array($data)?collect($data)->toArray():$data;
        $this->parseNull($data);
        $result = [
            "code"=>200,
            "msg"=>$msg,
            "message"=>$message,
            "data"=>$data,
        ];
        return response()->json($result,200);
    }

    public function success_list($data,$msg="ok" ,$total=0,$re=[],$res="all"){
        $data=is_array($data)?collect($data)->toArray():$data;
        $data=collect($data)->toArray();
        $this->parseNull($data);
        $result = [
            "code"=>200,
            "msg"=>$msg,
            "message"=>$msg,
            "data"=>[
                'size'=>15,
                'total'=>$total,
                "$res"=>$re,
                'list'=>$data
            ],
        ];
        return response()->json($result,200);
    }

    //失败返回
    public function error($code="422",$data="",$msg="fail"){
        if(empty($data) && $msg!='fail'){
            $data=$msg;
        }elseif(!empty($data) && $msg=='fail'){
            $msg=$data;
        }
        $result = [
            "code"=>$code,
            "msg"=>$msg,
            "message"=>$msg,
            "data"=>$data
        ];
        return response()->json($result,200);
    }

    public function new_error($code="422",$msg="fail"){
        $result = [
            "code"=>$code,
            "msg"=>$msg,
            "message"=>$msg,
        ];
        return response()->json($result,200);
    }

    //如果返回的数据中有 null 则那其值修改为空 （安卓和IOS 对null型的数据不友好，会报错）
    private function parseNull(&$data){
        if(is_array($data)){
            foreach($data as &$v){
                $this->parseNull($v);
            }
        }else{
            if(is_null($data)){
                $data = "";
            }
        }
    }
}