Laravel项目全站接入ajax

<script src="https://cdn.bootcss.com/jquery.pjax/2.0.1/jquery.pjax.min.js"></script>

//定义加载区域
$(document).pjax('a', 'body');
//定义pjax有效时间，超过这个时间会整页刷新
$.pjax.defaults.timeout = 12000;
//显示加载动画
$(document).on('pjax:click', function () {
  $("#loading").show();
});
//隐藏加载动画
$(document).on('pjax:end', function () {
  $("#loading").hide();
});

#loading {
  background-color: rgba(238, 238, 238, 0.6);
  display: none;
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  z-index: 2000;
  bottom: 0;
  padding-top: 10%;
}
#loading .spinner {
  margin: 100px auto;
  width: 50px;
  height: 60px;
  text-align: center;
  font-size: 10px;
}
#loading .spinner > div {
  background-color: rgba(0, 0, 0, 0.2);
  height: 100%;
  width: 6px;
  display: inline-block;
  -webkit-animation: stretchdelay 1.2s infinite ease-in-out;
  animation: stretchdelay 1.2s infinite ease-in-out;
}
#loading .spinner .rect2 {
  -webkit-animation-delay: -1.1s;
  animation-delay: -1.1s;
}
#loading .spinner .rect3 {
  -webkit-animation-delay: -1s;
  animation-delay: -1s;
}
#loading .spinner .rect4 {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s;
}
#loading .spinner .rect5 {
  -webkit-animation-delay: -0.8s;
  animation-delay: -0.8s;
}
@-webkit-keyframes stretchdelay {
  0%,
  40%,
  100% {
    -webkit-transform: scaleY(0.4);
  }
  20% {
    -webkit-transform: scaleY(1);
  }
}
@keyframes stretchdelay {
  0%,
  40%,
  100% {
    transform: scaleY(0.4);
    -webkit-transform: scaleY(0.4);
  }
  20% {
    transform: scaleY(1);
    -webkit-transform: scaleY(1);
  }
}

composer require spatie/laravel-pjax

protected $middleware = [
    ...
    \Spatie\Pjax\Middleware\FilterIfPjax::class,
];

    <div id="loading">
        <div class="spinner">
            <div class="rect1"></div>
            <div class="rect2"></div>
            <div class="rect3"></div>
            <div class="rect4"></div>
            <div class="rect5"></div>
        </div>
    </div>