<!DOCTYPE html>
<html lang="zh">

<head>
  <meta charset="utf-8" />
  <script src="http://res.wx.qq.com/connect/zh_CN/htmledition/js/wxLogin.js"></script>
</head>
<style type="text/css">
  body {
    margin: 0;
    overflow: hidden;
    width: 300px;
  }

  #root {
    overflow: hidden;
    margin-top: -45px;
    height: 350px;
  }

  .loading-bg {
    background: #fff;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    opacity: 0.9;
  }

  .page-loading-warp {
    padding: 130px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    position: fixed;
    z-index: 2;
  }

  .ant-spin {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    color: rgba(0, 0, 0, 0.65);
    font-size: 14px;
    font-variant: tabular-nums;
    line-height: 1.5;
    list-style: none;
    -webkit-font-feature-settings: 'tnum';
    font-feature-settings: 'tnum';
    position: absolute;
    display: none;
    color: #1890ff;
    text-align: center;
    vertical-align: middle;
    opacity: 0;
    -webkit-transition: -webkit-transform 0.3s cubic-bezier(0.78, 0.14, 0.15, 0.86);
    transition: -webkit-transform 0.3s cubic-bezier(0.78, 0.14, 0.15, 0.86);
    transition: transform 0.3s cubic-bezier(0.78, 0.14, 0.15, 0.86);
    transition: transform 0.3s cubic-bezier(0.78, 0.14, 0.15, 0.86),
      -webkit-transform 0.3s cubic-bezier(0.78, 0.14, 0.15, 0.86);
  }

  .ant-spin-spinning {
    position: static;
    display: inline-block;
    opacity: 1;
  }

  .ant-spin-dot {
    position: relative;
    display: inline-block;
    font-size: 20px;
    width: 20px;
    height: 20px;
  }

  .ant-spin-dot-item {
    position: absolute;
    display: block;
    width: 9px;
    height: 9px;
    background-color: #1890ff;
    border-radius: 100%;
    -webkit-transform: scale(0.75);
    -ms-transform: scale(0.75);
    transform: scale(0.75);
    -webkit-transform-origin: 50% 50%;
    -ms-transform-origin: 50% 50%;
    transform-origin: 50% 50%;
    opacity: 0.3;
    -webkit-animation: antSpinMove 1s infinite linear alternate;
    animation: antSpinMove 1s infinite linear alternate;
  }

  .ant-spin-dot-item:nth-child(1) {
    top: 0;
    left: 0;
  }

  .ant-spin-dot-item:nth-child(2) {
    top: 0;
    right: 0;
    -webkit-animation-delay: 0.4s;
    animation-delay: 0.4s;
  }

  .ant-spin-dot-item:nth-child(3) {
    right: 0;
    bottom: 0;
    -webkit-animation-delay: 0.8s;
    animation-delay: 0.8s;
  }

  .ant-spin-dot-item:nth-child(4) {
    bottom: 0;
    left: 0;
    -webkit-animation-delay: 1.2s;
    animation-delay: 1.2s;
  }

  .ant-spin-dot-spin {
    -webkit-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    transform: rotate(45deg);
    -webkit-animation: antRotate 1.2s infinite linear;
    animation: antRotate 1.2s infinite linear;
  }

  .ant-spin-lg .ant-spin-dot {
    font-size: 32px;
    width: 32px;
    height: 32px;
  }

  .ant-spin-lg .ant-spin-dot i {
    width: 14px;
    height: 14px;
  }

  @media all and (-ms-high-contrast: none),
  (-ms-high-contrast: active) {
    .ant-spin-blur {
      background: #fff;
      opacity: 0.5;
    }
  }

  @-webkit-keyframes antSpinMove {
    to {
      opacity: 1;
    }
  }

  @keyframes antSpinMove {
    to {
      opacity: 1;
    }
  }

  @-webkit-keyframes antRotate {
    to {
      -webkit-transform: rotate(405deg);
      transform: rotate(405deg);
    }
  }

  @keyframes antRotate {
    to {
      -webkit-transform: rotate(405deg);
      transform: rotate(405deg);
    }
  }
</style>

<body>
  <div id="root"></div>
  <div id="loading">
    <div class="loading-bg"></div>
    <div class="page-loading-warp">
      <div class="ant-spin ant-spin-lg ant-spin-spinning">
        <span class="ant-spin-dot ant-spin-dot-spin">
          <i class="ant-spin-dot-item"></i>
          <i class="ant-spin-dot-item"></i>
          <i class="ant-spin-dot-item"></i>
          <i class="ant-spin-dot-item"></i>
        </span>
      </div>
    </div>
  </div>
</body>
<script>
  function getQuery(name) {
    var reg = new RegExp(`(^|\\?|&)${name}=([^&]*)(&|$)`);
    var r = window.location.href.substr(1).match(reg);
    if (r != null) return unescape(r[2]);
    return null;
  }
  var code = getQuery('code');
  if (code) {
    window.top.postMessage('code:' + code, '*');
  } else {
    document.getElementById('loading').style.display = 'none';
  }
  new WxLogin({
    id: 'root',
    self_redirect: true,
    appid: getQuery('appid'),
    scope: 'snsapi_login',
    redirect_uri: getQuery('redirectUri') + '/login.html',
  });
</script>

</html>