Merge branch 'master' of github.com:hainatravel/information-system into master

application/views/mobile_first/ch-pc.php

@@ -603,10 +603,21 @@
 
     <script>
     (function (w, d, i) {
+      function debounce(func, wait) {
+        let timeout;
+        return function() {
+          const context = this;
+          const args = arguments;
+          clearTimeout(timeout);
+          timeout = setTimeout(() => func.apply(context, args), wait);
+        };
+      }
+
       var navbar = d.getElementById(i);
       var prevScrollpos = w.pageYOffset;
-            w.onscroll = function () {
+      w.onscroll = debounce(function () {
         var currentScrollPos = w.pageYOffset;
+        if (Math.abs(currentScrollPos - prevScrollpos) > 5) { // 滚动阈值
           if (prevScrollpos > currentScrollPos) {
             navbar.style.top = '0';
           } else {
@@ -614,6 +625,7 @@
           }
           prevScrollpos = currentScrollPos;
         }
+      }, 25) // 防止快速滚动时频繁触发
     })(window, document, 'header');
   </script>
 

application/views/mobile_first/ch.php

@@ -593,10 +593,21 @@
 
   <script>
     (function (w, d, i) {
+      function debounce(func, wait) {
+        let timeout;
+        return function() {
+          const context = this;
+          const args = arguments;
+          clearTimeout(timeout);
+          timeout = setTimeout(() => func.apply(context, args), wait);
+        };
+      }
+
       var navbar = d.getElementById(i);
       var prevScrollpos = w.pageYOffset;
-      w.onscroll = function () {
+      w.onscroll = debounce(function () {
         var currentScrollPos = w.pageYOffset;
+        if (Math.abs(currentScrollPos - prevScrollpos) > 5) { // 滚动阈值
           if (prevScrollpos > currentScrollPos) {
             navbar.style.top = '0';
           } else {
@@ -604,6 +615,7 @@
           }
           prevScrollpos = currentScrollPos;
         }
+      }, 25) // 防止快速滚动时频繁触发
     })(window, document, 'header');
   </script>
   <script>/* memu js https://data.chinahighlights.com/js/mobile-menu.js */

application/views/mobile_first/gh-pc.php

@@ -421,10 +421,21 @@
 
     <script>
     (function (w, d, i) {
+      function debounce(func, wait) {
+        let timeout;
+        return function() {
+          const context = this;
+          const args = arguments;
+          clearTimeout(timeout);
+          timeout = setTimeout(() => func.apply(context, args), wait);
+        };
+      }
+
       var navbar = d.getElementById(i);
       var prevScrollpos = w.pageYOffset;
-            w.onscroll = function () {
+      w.onscroll = debounce(function () {
         var currentScrollPos = w.pageYOffset;
+        if (Math.abs(currentScrollPos - prevScrollpos) > 5) { // 滚动阈值
           if (prevScrollpos > currentScrollPos) {
             navbar.style.top = '0';
           } else {
@@ -432,6 +443,7 @@
           }
           prevScrollpos = currentScrollPos;
         }
+      }, 25) // 防止快速滚动时频繁触发
     })(window, document, 'header');
   </script>
 

application/views/mobile_first/gh.php

@@ -448,12 +448,23 @@
     }
   </script>
 
-  <script>
+<script>
     (function (w, d, i) {
+      function debounce(func, wait) {
+        let timeout;
+        return function() {
+          const context = this;
+          const args = arguments;
+          clearTimeout(timeout);
+          timeout = setTimeout(() => func.apply(context, args), wait);
+        };
+      }
+
       var navbar = d.getElementById(i);
       var prevScrollpos = w.pageYOffset;
-      w.onscroll = function () {
+      w.onscroll = debounce(function () {
         var currentScrollPos = w.pageYOffset;
+        if (Math.abs(currentScrollPos - prevScrollpos) > 5) { // 滚动阈值
           if (prevScrollpos > currentScrollPos) {
             navbar.style.top = '0';
           } else {
@@ -461,6 +472,7 @@
           }
           prevScrollpos = currentScrollPos;
         }
+      }, 25) // 防止快速滚动时频繁触发
     })(window, document, 'header');
   </script>
   <!--移动底部 结束-->