采购页优化

hdApp/src/pagesPurchase/shopping.vue

@@ -130,6 +130,10 @@ export default {
 		},	
     change(e) {
       if (this.tabIndex != e.index) {
+        uni.pageScrollTo({
+          scrollTop: 0,
+          duration: 0
+        });
         this.resetList();
         this.list.finished = true;
         this.tabIndex = e.index;