upd: 无限滚动组件优化

src/packages/infiniteloading/infiniteloading.vue

@@ -151,7 +151,7 @@ export default {
                 offsetDistance = scrollHeight - clientHeight - scrollTop;
                 resScrollTop = scrollTop;
             }
-            this.$emit('scrollChange',windowScrollTop || resScrollTop);
+            this.$emit('scrollChange',this.useWindow?windowScrollTop :resScrollTop);
             // 保证是往下滑动的
             let beforeScrollTop = this.beforeScrollTop;
             this.beforeScrollTop = windowScrollTop;