laravel Ajax post方式的使用

    <div class="fl">
        <input  type="email" id="email" name="email" value="{{$data -> email}}">
           <span id="pass1" style="display:none;">邮箱格式不正确</span> 
           <span id="pass2" style="display:none;">邮箱格式正确</span>
    </div>

 //email判断
     $("input[name=‘email‘]").on(‘blur‘,function()
    {
        $.post(‘/user/email‘,{‘_token‘:‘{{csrf_token()}}‘,‘email‘:$("#email").val()},function(data) //第二个参数要传token的值 再传参数要用逗号隔开
        {
            if(data == 2)
            {
                $("#pass1").css("display","block");
                $("input[name=‘email‘]").on(‘focus‘,function(){
                     $("#pass1").css("display","none");
                });
            }else if(data == 1){
                $("#pass2").css("display","block");
                 $("input[name=‘email‘]").on(‘focus‘,function(){
                     $("#pass2").css("display","none");
                });
            }
        });
    });

Route::post(‘/user/email‘,‘Home\CenterController@email‘);

//ajax
    // 判断邮箱
    public function email()
    {
        $eamil = $_POST[‘email‘];
        $patten = ‘/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/‘;
        preg_match($patten,$eamil,$match);
        if($match)
        {
            echo 1;
        }else{
            echo 2;
        }
    }