H5
/
huaqiaocheng-org
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Baozhangchao 3 gadus atpakaļ
vecāks
1e8f9f8669
revīzija
7a9f7f505f
1 mainītis faili ar 82 papildinājumiem un 51 dzēšanām
Dalītais skats Rādīt salīdzināšanas statistiku
  1. 82
    51
      index.html

+ 82
- 51
index.html Parādīt failu 

@@ -15,73 +15,104 @@
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     }
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     .dv_img {
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-      max-width: 100%;
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       height: auto;
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+      display: block;
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+      width: 100%;
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     }
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   </style>
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 </head>
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 <body>
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-  <script>
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-    const shareImg = `${location.origin}${location.pathname}images/shaer.jpg`
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+  <img class="dv_img" alt="华侨城集团介绍" src="" data-src="./images/1.jpg" />
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+  <img class="dv_img" alt="华侨城集团介绍" src="" data-src="./images/2.jpg" />
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+  <img class="dv_img" alt="华侨城集团介绍" src="" data-src="./images/3.jpg" />
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-    function request(url, options) {
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-      return fetch(url, options)
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-        .then(response => response.json())
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-        .then(data => {
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-          if (data.code === 1000) return data.data
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-          return Promise.reject(data.message)
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-        })
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+</body>
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+<script>
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+  var imgs = document.querySelectorAll('img');
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+
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+  //offsetTop是元素与offsetParent的距离，循环获取直到页面顶部
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+  function getTop(e) {
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+    var T = e.offsetTop;
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+    while (e = e.offsetParent) {
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+      T += e.offsetTop;
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     }
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+    return T;
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+  }
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-    const jsApiList = [
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-      'updateAppMessageShareData',
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-      'updateTimelineShareData',
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-      'onMenuShareTimeline',
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-      'onMenuShareAppMessage',
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-      'onMenuShareQQ',
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-      'onMenuShareWeibo',
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-      'onMenuShareQZone'
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-    ]
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-
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-
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-
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-    function init(url) {
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-      request(`https://api.h5.njyunzhi.com/mp/jssdk?url=${encodeURIComponent(url)}`).then((res) => {
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-        console.log("🚀 ~ file: index.html ~ line 49 ~ request ~ res", res)
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-        window.wx.config({
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-          debug: false, // 开启调试模式,调用的所有api的返回值会在客户端alert出来，若要查看传入的参数，可以在pc端打开，参数信息会通过log打出，仅在pc端时才会打印。
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-          appId: res.appId, // 必填，公众号的唯一标识
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-          timestamp: res.timestamp, // 必填，生成签名的时间戳
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-          nonceStr: res.nonceStr, // 必填，生成签名的随机串
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-          signature: res.signature, // 必填，签名
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-          jsApiList // 必填，需要使用的JS接口列表
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-        })
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-      })
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+  function lazyLoad(imgs) {
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+    var H = document.documentElement.clientHeight;//获取可视区域高度
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+    var S = document.documentElement.scrollTop || document.body.scrollTop;
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+    for (var i = 0; i < imgs.length; i++) {
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+      if (H + S > getTop(imgs[i])) {
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+        imgs[i].src = imgs[i].getAttribute('data-src');
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+      }
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     }
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-    function share(opt) {
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-      init(opt.link)
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-      window.wx.ready(function () {
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-        jsApiList.map((apiName) => {
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-          const api = window.wx[apiName]
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-          api({
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-            title: opt.title || '', // 分享标题
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-            link: opt.link || '', // 分享链接，该链接域名或路径必须与当前页面对应的公众号JS安全域名一致
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-            imgUrl: opt.imgUrl || '', // 分享图标
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-            desc: opt.desc || ''
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-          })
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-        })
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+  }
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+
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+  window.onload = window.onscroll = function () { //onscroll()在滚动条滚动的时候触发
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+    lazyLoad(imgs);
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+  }
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+
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+
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+
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+
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+  const shareImg = `${location.origin}${location.pathname}images/shaer.jpg`
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+
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+  function request(url, options) {
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+    return fetch(url, options)
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+      .then(response => response.json())
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+      .then(data => {
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+        if (data.code === 1000) return data.data
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+        return Promise.reject(data.message)
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       })
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-    }
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+  }
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-    share({ title: '华侨城集团介绍', link: window.location.href, imgUrl: shareImg })
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+  const jsApiList = [
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+    'updateAppMessageShareData',
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+    'updateTimelineShareData',
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+    'onMenuShareTimeline',
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+    'onMenuShareAppMessage',
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+    'onMenuShareQQ',
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+    'onMenuShareWeibo',
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+    'onMenuShareQZone'
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+  ]
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-  </script>
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-  <img class="dv_img" alt="华侨城集团介绍" src="https://h5.njyunzhi.com/images/huaqiaocheng_20211224112744.jpg" />
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-</body>
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+  function init(url) {
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+    request(`https://api.h5.njyunzhi.com/mp/jssdk?url=${encodeURIComponent(url)}`).then((res) => {
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+      console.log("🚀 ~ file: index.html ~ line 49 ~ request ~ res", res)
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+      window.wx.config({
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+        debug: false, // 开启调试模式,调用的所有api的返回值会在客户端alert出来，若要查看传入的参数，可以在pc端打开，参数信息会通过log打出，仅在pc端时才会打印。
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+        appId: res.appId, // 必填，公众号的唯一标识
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+        timestamp: res.timestamp, // 必填，生成签名的时间戳
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+        nonceStr: res.nonceStr, // 必填，生成签名的随机串
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+        signature: res.signature, // 必填，签名
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+        jsApiList // 必填，需要使用的JS接口列表
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+      })
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+    })
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+  }
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+  function share(opt) {
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+    init(opt.link)
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+    window.wx.ready(function () {
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+      jsApiList.map((apiName) => {
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+        const api = window.wx[apiName]
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+        api({
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+          title: opt.title || '', // 分享标题
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+          link: opt.link || '', // 分享链接，该链接域名或路径必须与当前页面对应的公众号JS安全域名一致
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+          imgUrl: opt.imgUrl || '', // 分享图标
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+          desc: opt.desc || ''
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+        })
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+      })
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+    })
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+  }
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+
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+  share({ title: '华侨城集团介绍', link: window.location.href, imgUrl: shareImg })
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+
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+
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+</script>
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 </html>