微信公众号开发

微信h5跳转至小程序

本文主要是介绍微信h5跳转至小程序，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

在开发微信公众号时，有两个菜单需跳转至小程序。
在这里插入图片描述

参考官方开发文档
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由于菜单项是通过循环遍历出的，直接使用 wx-open-launch-weapp包裹住菜单项，发现在浏览器调试时，并不显示

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

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .nav a {
      display: block;
      text-align: center;
      border: 1px solid rgb(126, 115, 115);
      width: 100px;
      height: 100px;
      margin: 10px;
    }

    .nav a i {
      display: block;
      margin: 0 auto;
      width: 65px;
      height: 65px;
    }

    .nav a i img {
      display: block;
      width: 100%
    }

    .nav a strong {
      display: block;
      font-size: 14px;
      color: #333;
      font-weight: 200;
    }
   
  </style>
</head>

<body>
  <div class="nav">
    <a href="javascript:void(0);">
      <wx-open-launch-weapp style="width: 100%; height: 100%;" path="pages/webview/webview" username="gh_test1account">
        <script type="text/wxtag-template">
          <style>
            img {
              display: block;
              width: 100%;
            }
            strong {
              display: block;
              font-size: 12px;
              color: #333;
              font-weight: 200;
            }
          </style>
          <div class="toWrap">
            <i>
              <img src="https://img1.baidu.com/it/u=1955340679,2837494472&fm=26&fmt=auto">
            </i>
            <strong>来院导航</strong>
          </div>
        </script>
      </wx-open-launch-weapp>
    </a>
  </div>


</body>

</html>

在这里插入图片描述
因此，采用plan B，在原菜单项上加一个div放置weapp组件，并定位在父元素上方，此时菜单可显示，且点击也可跳转。
在这里插入图片描述

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

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .nav a {
      display: block;
      text-align: center;
      border: 1px solid rgb(126, 115, 115);
      width: 100px;
      height: 100px;
      margin: 10px;
    }

    .nav a i {
      display: block;
      margin: 0 auto;
      width: 65px;
      height: 65px;
    }

    .nav a i img {
      display: block;
      width: 100%
    }

    .nav a strong {
      display: block;
      font-size: 14px;
      color: #333;
      font-weight: 200;
    }
    .originA {
      position: relative;
    }

    .weappContainer {
      position: absolute;
      top: 0;
      left: 0;
      bottom: 0;
      right: 0;
    }
  </style>
</head>

<body>
  <div class="nav">
    <a href="javascript:void(0);" class="originA">
      <i><img src="https://img1.baidu.com/it/u=1955340679,2837494472&fm=26&fmt=auto"></i>
      <strong>来院导航</strong>
      <div class="weappContainer">
        <wx-open-launch-weapp style="width: 100%; height: 100%;" path="pages/webview/webview"
          username="gh_test1account">
          <script type="text/wxtag-template">
            <style>
              .toWrap{
                display: flex;flex-direction: column;align-items: center;
                width: 100%;
                height: 100%;
                opacity: 0;
              }
              img {
                display: block;
                width: 100%;
              }
              strong {
                display: block;
                font-size: 12px;
                color: #333;
                font-weight: 200;
              }
            </style>
            <div class="toWrap">
              <i>
                <img src="https://img1.baidu.com/it/u=1955340679,2837494472&fm=26&fmt=auto">
              </i>
              <strong>来院导航</strong>
            </div>
          </script>
        </wx-open-launch-weapp>
      </div>
    </a>
  </div>


</body>

</html>
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