test_app/app/Http/Controllers/Controller.php

<?php

namespace App\Http\Controllers;

use Illuminate\Foundation\Bus\DispatchesJobs;
use Illuminate\Routing\Controller as BaseController;
use Illuminate\Foundation\Validation\ValidatesRequests;
use Illuminate\Foundation\Auth\Access\AuthorizesRequests;

class Controller extends BaseController
{
    use AuthorizesRequests, DispatchesJobs, ValidatesRequests;

    public function success($data,$msg="成功"){
        $this->parseNull($data);
        $result = [
            "code"=>200,
            "message"=>$msg,
            "data"=>$data,
        ];
        return response()->json($result,200);
    }
//
//<<<<<<< HEAD
//=======
//
//>>>>>>> 9aa477479386789a8615d89285e74706ec72fbab
    public function success_list($data,$msg="成功" ,$total=0){
        $this->parseNull($data);
        $result = [
            "code"=>200,
            "message"=>$msg,
            "data"=>[
                'total'=>$total,
                'list'=>$data
            ],
        ];
        return response()->json($result,200);
    }

    //失败返回
    public function error($code=422,$msg="失败",$data=""){
        $result = [
            "code"=>$code,
            "message"=>$msg,
            "data"=>$data
        ];
        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)){
//                $data = [];
                if(is_array($data)){
                    $data = [];
                }else{
                    $data = '';
                }
            }
        }
    }
}