1

demo/demolist/Demo30.js

@@ -37,7 +37,7 @@ const columns = [
       );
     }
   },
-  { id: "123", title: "性别", dataIndex: "b", key: "b", width: 60},
+  { id: "123", title: "性别", dataIndex: "b", key: "b", width: 80},
   { title: "年龄", dataIndex: "c", key: "c", width: 200 },
   {
     title: "操作",
@@ -65,7 +65,7 @@ const columns = [
 const data = [ ...new Array(10000) ].map((e, i) => {
     const rs = { a: i + 'a', b: i + 'b', c: i + 'c', d: i + 'd', key: i };
     if(i%3==0){
-        rs.b = '我的性别lalallalalal我的性别lalallalalal我的性别lalallalalal：女';
+        rs.b = '我的性别你猜猜不定高度测试测试ing：女';
     }
     return rs;
    })

src/lib/bigData.js

@@ -74,16 +74,22 @@ export default function bigData(Table) {
         const {data,height} = this.props;
         const rowHeight = height?height:defaultHeight;
         const {rowsInView} = this;
-        const {currentIndex} = this.state;
+        const {currentIndex = 0} = this.state;
+        // let index = currentIndex;
         let index = 0;
-        let temp = scrollTop;
+        // let temp = scrollTop - this.lastScrollTop;
+        let temp = scrollTop ;
+        // let lastScrollTop = scrollTop;
+        
         while (temp > 0) {
           temp -= this.cachedRowHeight[index] || rowHeight
           if(temp > 0){
             index += 1
           }
         }
-  
+        //记录上一次滚动的位置，作为缓存用
+        // this.lastScrollTop = lastScrollTop + temp;
+
         // offset last row
         // index -= 1
         console.log(index);