代码提交

hooks/useScroll.js

@@ -1,15 +1,27 @@
-import { onPageScroll } from "@dcloudio/uni-app";
+import { onLoad, onPageScroll } from "@dcloudio/uni-app";
 import { onBeforeUnmount, ref } from "vue";
-const scrollTop = ref(0)
 
 export function useScroll(){
+    const scrollTop = ref(0)
+
     onPageScroll((e)=>{
         scrollTop.value = e.scrollTop
     })
+
     onBeforeUnmount(()=>{
         scrollTop.value = 0
     })
-    return {
-        scrollTop
+
+    function scrollToTop(){
+        uni.pageScrollTo({
+            scrollTop: 0,
+            duration: 500
+        })
     }
+
+    return {
+        scrollTop,
+        scrollToTop
+    }
+
 }