修复品类点击直接掉转的问题

review 陈林

@@ -43,7 +43,12 @@ export default class CategoryList extends Component {
         }
     }
     _pressLeftRow(value,rowID){
+        if(value.sub.length==1){
+            this.props.pressSubCateRow(value.sub[0], 0);
+            return;
+        }
       this.props.pressLeftRow(value,rowID);
+      this.refs.subCategoryList && this.refs.subCategoryList.scrollTo({x: 0, y: 0, animated: false});
       if(rowID==this.props.currentCateId){
           LayoutAnimation.configureNext(LayoutAnimation.Presets.easeInEaseOut);
           if(this.state.offsetx<0){
@@ -129,6 +134,7 @@ export default class CategoryList extends Component {
                     scrollsToTop={false}
                 />
                 <ListView
+                    ref='subCategoryList'
                     style={[styles.subContentContainer, {marginLeft: this.state.offsetx}]}
                     dataSource={this.dataSource.cloneWithRows(subCateList)}
                     enableEmptySections={true}