修复选中bug

src/components/cate/cate.vue

@@ -62,8 +62,10 @@ export default {
             itemId: "", // 栏目右边scroll-view用于滚动的id
             arr: [], // 储存距离顶部高度的数组
             scrollRightTop: 0, // 右边栏目scroll-view的滚动条高度
-            timer: null, // 定时器
             wrapHeight: 0,
+            // 按ID选择
+            timer: null,
+            activeIndex: 0,
         };
     },
     props: {
@@ -237,14 +239,19 @@ export default {
                 }
             }
         },
-        switchCate(id) {
+        /**
-            let idx = 0;
+         * 按ID选中
+         */
+        async switchCate(id) {
+            if (this.arr.length == 0) {
+                await this.getMenuItemTop();
+            }
             this.data.forEach((item, index) => {
                 if (item.id == id) {
-                    idx = index;
+                    this.activeIndex = index;
                 }
             });
-            this.swichMenu(idx);
+            this.swichMenu(this.activeIndex);
         },
         clickItem(id) {
             this.$emit("clickItem", id);
@@ -254,6 +261,15 @@ export default {
         activeId(activeId) {
             this.switchCate(activeId);
         },
+        arr(arr) {
+            clearTimeout(this.timer);
+            if (this.activeIndex > 0) {
+                const that = this;
+                this.timer = setTimeout(() => {
+                    that.scrollRightTop = arr[that.activeIndex];
+                }, 200);
+            }
+        },
     },
 };
 </script>