////////////////////控制器

<?php

namespace App\Http\Controllers;

use App\models\registerModel;

// 1 先引入Illuminate\Support\Facades\Validator;
use Illuminate\Support\Facades\Validator;

use Illuminate\Http\Request;

class registerController extends Controller
{

    public function index()
    {
        //
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        //
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
//       $params= $request->all();
////       var_dump($params);
//        $name=$request->input(‘name‘);
//        if (empty($name)){
//            //接口三要素
//           $arr[‘status‘]=500;
//           $arr[‘info‘]=‘用户名不可以为空‘;
//           echo json_encode($arr);
//        }
//$password=$request->input(‘password‘);
//if (empty($password)){
//    $arr[‘status‘]=500;
//    $arr[‘info‘]=‘密码不可以为空‘;
//    echo json_encode($arr);
//
//}
//$img=$request->img;
//if (empty($img)){
//    $arr[‘status‘]=500;
//    //提示信息
//    $arr[‘info‘]=‘照片不可以为空‘;
//    //返回 json
//    echo json_encode($arr);
//}
//        $res=registerModel::store($name,$password,$img);
       $param=$request->all();
//       var_dump($param);
//        $this->validate()
   $validator=Validator::make($param,[
    "name"=>‘required‘,
    "password"=>"required",
    "img"=>"required"
],[
    "name.required"=>"用户名不可以为空",
    "password.required"=>"密码不可以为空",
    "img.required"=>"照片不可以为空",
]);
//print_r($validator);
        if ($validator->fails()){
            $err=$validator->errors()->first();
            $arr[‘status‘]=200;
            $arr[‘info‘]=$err;
            echo json_encode($arr);
        }
$param[‘img‘] = ‘/‘.$request->img->store(‘img‘);
$res=registerModel::store($param);
if ($res){
    $arr[‘status‘]=200;
    $arr[‘info‘]=‘添加成功‘;
    return json_encode($arr);
}else{
    $arr[‘status‘]=500;
    $arr[‘info‘]=‘添加失败‘;
    return json_encode($arr);
}
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
        //
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        //
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        //
    }
}

//////////////////////////////////////模型

<?php

namespace App\models;

use Illuminate\Database\Eloquent\Model;
use phpDocumentor\Reflection\Types\Self_;

class registerModel extends Model
{
    //定义数据表与模型的关系
    protected $table=‘register‘;
    public $timestamps=false;
    public  $PrimaryKey=‘id‘;

    //添加数据库

public static function store($param){
   $obj=new self();
   $obj->name=$param[‘name‘];
   $obj->password=md5($param[‘password‘]);
   $obj->img=$param[‘img‘];
   return $obj->save();

}





}

接口（ ）