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miniprogram_npm/tdesign-miniprogram/back-top/back-top.js

@@ -17,6 +17,11 @@ let BackTop = class BackTop extends SuperComponent {
             multipleSlots: true,
         };
         this.properties = props;
+        this.relations = {
+            '../pull-down-refresh/pull-down-refresh': {
+                type: 'ancestor',
+            },
+        };
         this.data = {
             prefix,
             classPrefix: name,
@@ -54,11 +59,17 @@ let BackTop = class BackTop extends SuperComponent {
                 }
             },
             toTop() {
+                var _a;
                 this.triggerEvent('to-top');
-                wx.pageScrollTo({
-                    scrollTop: 0,
-                    duration: 300,
-                });
+                if (this.$parent) {
+                    (_a = this.$parent) === null || _a === void 0 ? void 0 : _a.setScrollTop(0);
+                }
+                else {
+                    wx.pageScrollTo({
+                        scrollTop: 0,
+                        duration: 300,
+                    });
+                }
             },
         };
     }