整理一下代码

分享落地页.html

@@ -113,28 +113,39 @@
 
 <script>
     function isWeChat() {
-        const ua = window.navigator.userAgent.toLowerCase()
+        var ua = window.navigator.userAgent.toLowerCase()
         return ua.match(/MicroMessenger/i) == 'micromessenger'
     }
 
     function showShareGuide(txt) {
-        const tip = document.querySelector('.tip')
+        var tip = document.querySelector('.tip')
         tip.style.display = 'block'
         tip.querySelector('.tip_txt').innerText = txt
     }
 
+    function getUrlParam(name) {
+        var search = window.location.search;
+        var matched = search
+            .slice(1)
+            .match(new RegExp('(^|&)' + name + '=([^&]*)(&|$)', 'i'));
+        return search.length ? matched && matched[2] : null;
+    }
+
     var appActivityId = '202407091'
 
     // 主活动：202407091
     // 分会场：202407092
 
     function clickBtn() {
+        const inviteCode = getUrlParam("inviteCode");
         if (isWeChat()) {
             showShareGuide("请在默认浏览器中打开")
         } else {
-            location.href = 'smsczbmbank://push_czbank?tag=thdmktact&randomFlag=1&activityId=' + appActivityId;
+            location.href = 'smsczbmbank://push_czbank?tag=thdmktact&randomFlag=1' +
+                '&activityId=' + appActivityId
+                + '&inviteCode=' + inviteCode;
             setTimeout(() => {
-                const oA = document.createElement("a");
+                var oA = document.createElement("a");
                 oA.href = 'http://m.czbank.com';
                 document.body.appendChild(oA);
                 oA.click();