组件特殊情况处理

@@ -29,18 +29,16 @@
                 visible: false,
                 waitingReport: [],
                 isVisible: false,
-                pagePrefix: yoho.isiOS ? 'i' : (yoho.isAndroid ? 'a' : 'h5')
+                appPrefix: yoho.isiOS ? 'i' : (yoho.isAndroid ? 'a' : 'h5')
             };
         },
         methods: {
             record(visible) {
 
-
-
                 // 元素由不可见变为可见则记录，否则不记录
                 if (!this.isVisiable && visible) {
                     const param = {
-                        P_NAME: `${this.pagePrefix}${this.pageName}` || '',     // 页面名称
+                        P_NAME: `${this.appPrefix}${this.pageName}` || '',     // 页面名称
                         P_PARAM: this.pageParam || '',  // 页面参数
                         I_INDEX: this.index,       // 内部item的序号
                         PRD_SKN: this.productSkn   // 商品SKN （可选）

@@ -28,6 +28,15 @@
         },
         methods: {
             checkReport() {
+                // 顶部区域可能切换显示和隐藏所以动态获取
+                const topRect = document.querySelector(`.${this.topClassName}`).getBoundingClientRect();
+
+                // 可见区域顶部距离视口的上边的距离
+                this.viewArea.top = topRect.bottom;
+
+                // 可见区域底部距离视口的上边的距离
+                this.viewArea.bottom = window.screen.height;
+
                 let children = _.filter(this.$children, child => {
                     return child.$options.name === 'ExposureItem'
                 });
@@ -47,19 +56,10 @@
         },
         mounted() {
             let timer = setInterval(() => {
-                const filterRect = document.querySelector(`.${this.topClassName}`).getBoundingClientRect();
-
-                // 可见区域顶部距离视口的上边的距离
-                this.viewArea.top = filterRect.bottom;
-
-                // 可见区域底部距离视口的上边的距离
-                this.viewArea.bottom = window.screen.height;
-
                 this.$scrollEl = window;
                 this.scrollEvent = util.throttle(500, this.checkReport);
                 if (this.$scrollEl) {
                     this.$scrollEl.addEventListener('scroll', this.scrollEvent);
-
                 }
 
                 if (this.$children.length) {
@@ -68,7 +68,8 @@
                 }
             }, 500);
 
-            setInterval(() => {
+            let reportTimer = setInterval(() => {
+                if (!this.$children.length) { return clearInterval(reportTimer); }
                 _.each(_.filter(this.$children, child => child.$options.name === 'ExposureItem'), child => child.report());
             }, 3000);
         }