From 37a869de54094d7398988f3beb8947e9546b89a3 Mon Sep 17 00:00:00 2001
From: morning-star <26325820+Sight-wcg@users.noreply.github.com>
Date: Mon, 18 Nov 2024 16:02:08 +0800
Subject: [PATCH] =?UTF-8?q?feat(table):=20=E4=BD=BF=E5=9B=BA=E5=AE=9A?=
 =?UTF-8?q?=E5=88=97=E7=9A=84=E6=BB=9A=E5=8A=A8=E6=9B=B4=E5=B9=B3=E6=BB=91?=
 =?UTF-8?q?=20(#2335)?=
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---
 src/modules/table.js | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/modules/table.js b/src/modules/table.js
index c8f15497..1ce63ac2 100644
--- a/src/modules/table.js
+++ b/src/modules/table.js
@@ -2800,16 +2800,26 @@ layui.define(['lay', 'laytpl', 'laypage', 'form', 'util'], function(exports){
       layer.close(that.tipsIndex);
     });
 
+    var rAF = window.requestAnimationFrame || function(fn){return setTimeout(fn, 1000 / 60)};
+
     // 固定列滚轮事件 - 临时兼容方案
     that.layFixed.find(ELEM_BODY).on('mousewheel DOMMouseScroll', function(e) {
       var delta = e.originalEvent.wheelDelta || -e.originalEvent.detail;
       var scrollTop = that.layMain.scrollTop();
-      var step = 30;
+      var step = 100;
+      var rAFStep = 10;
 
       e.preventDefault();
-      that.layMain.scrollTop(scrollTop + (delta > 0 ? -step : step));
+      var cb = function(){
+        if(step > 0){
+          step -= rAFStep;
+          scrollTop += (delta > 0 ? -rAFStep : rAFStep);
+          that.layMain.scrollTop(scrollTop);
+          rAF(cb);
+        }
+      }
+      rAF(cb);
     });
-
   }
 
   /**