From 9b1dd07681bc66de421bb08b449766339dc4ed9b Mon Sep 17 00:00:00 2001
From: DCloud_LXH <283700113@qq.com>
Date: Mon, 28 Mar 2022 15:45:55 +0800
Subject: [PATCH] fix: pageScrollTo selector question/109566

---
 src/core/helpers/protocol/ui/page-scroll-to.js |  5 ++---
 src/core/view/bridge/subscribe/scroll.js       | 11 +++++++++++
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/core/helpers/protocol/ui/page-scroll-to.js b/src/core/helpers/protocol/ui/page-scroll-to.js
index 82451926d..da4976847 100644
--- a/src/core/helpers/protocol/ui/page-scroll-to.js
+++ b/src/core/helpers/protocol/ui/page-scroll-to.js
@@ -1,7 +1,6 @@
 export const pageScrollTo = {
   scrollTop: {
-    type: Number,
-    required: true
+    type: Number
   },
   duration: {
     type: Number,
@@ -10,4 +9,4 @@ export const pageScrollTo = {
       params.duration = Math.max(0, duration)
     }
   }
-}
+}
diff --git a/src/core/view/bridge/subscribe/scroll.js b/src/core/view/bridge/subscribe/scroll.js
index 2f3116f74..c1f86c8c2 100644
--- a/src/core/view/bridge/subscribe/scroll.js
+++ b/src/core/view/bridge/subscribe/scroll.js
@@ -8,8 +8,19 @@ export function disableScroll (evt) {
 
 export function pageScrollTo ({
   scrollTop,
+  selector,
   duration
 }) {
+  if (typeof scrollTop === 'undefined') {
+    const el = document.querySelector(selector)
+    if (el) {
+      const { top, height } = el.getBoundingClientRect()
+      scrollTop = top + window.pageYOffset
+      if (__PLATFORM__ === 'h5') {
+        scrollTop -= height
+      }
+    }
+  }
   const documentElement = document.documentElement
 
   const {
-- 
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