代码提交

hooks/useScroll.js

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