From 8c9902e2a0c8571a73af65f6f4041f6b4d2a589d Mon Sep 17 00:00:00 2001
From: Oliver <1069035666@qq.com>
Date: Fri, 25 Mar 2022 08:00:25 +0000
Subject: [PATCH] =?UTF-8?q?=E8=99=9A=E6=8B=9F=E5=88=97=E8=A1=A8=20?=
 =?UTF-8?q?=E4=B8=80=E7=9B=B4=20=E6=BB=9A=E5=8A=A8=E5=88=B0=E6=9C=80?=
 =?UTF-8?q?=E5=BA=95=E9=83=A8?=
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---
 .../VirtualScroll/src/VirtualScroll.vue         | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/components/VirtualScroll/src/VirtualScroll.vue b/src/components/VirtualScroll/src/VirtualScroll.vue
index b37a058..6eb5874 100644
--- a/src/components/VirtualScroll/src/VirtualScroll.vue
+++ b/src/components/VirtualScroll/src/VirtualScroll.vue
@@ -22,6 +22,10 @@
     minHeight: [Number, String] as NumberOrNumberString,
     minWidth: [Number, String] as NumberOrNumberString,
     width: [Number, String] as NumberOrNumberString,
+    scrollToBottom: {
+      type: Boolean as PropType<boolean>,
+      default: true,
+    },
     bench: {
       type: [Number, String] as NumberOrNumberString,
       default: 0,
@@ -103,6 +107,19 @@
         onScroll();
       });
 
+      watch(
+        () => props.items.length,
+        () => {
+          if (props.scrollToBottom) {
+            const wrapEl = unref(wrapElRef);
+            if (!wrapEl) {
+              return;
+            }
+            wrapEl.scrollTop = (props.items || []).length * unref(getItemHeightRef);
+          }
+        },
+      );
+
       function getLast(first: number): number {
         const wrapEl = unref(wrapElRef);
         if (!wrapEl) {
-- 
Gitee