Question

我有一个div，其中包含在组件的render方法上创建的元素列表。容器的样式为overflow: scroll但滚动条除了最初可见的项目外没有显示任何其他内容。我想知道这种行为是否在反应中以及如何解决它。

<div style={{ margin: 15, marginLeft: 35 }}>
    <div style={{ display: 'flex', flexDirection: 'row' }}>
      <div style={{ marginRight: 10 }}>
        Lorem Ipsum
      </div>
      <div style={{ display: 'block', maxWidth: 300, marginLeft: 20, overflow: 'scroll' }}>
        <div> Item visible </div>
        <div> Item visible </div>
        <div> Item visible </div>
        <div> Item visible </div>

        <div> Item NOT visible </div>
        <div> Item NOT visible </div>
        <div> Item NOT visible </div>
        <div> Item NOT visible </div>
        <div> Item NOT visible </div>
        <div> Item NOT visible </div>
        <div> Item NOT visible </div>
        <div> Item NOT visible </div>
      </div>
    </div>
</div>

Answer 1

而不是使用overflow: 'scroll'设置overflow: 'auto'，如果您设置父height的{{1}}，则会发生事件。

检查此示例：

scroll bar

class App extends React.Component{
    render(){
      return(<div style={{ margin: 15, marginLeft: 35 }}>
              <div style={{ display: 'flex', flexDirection: 'row' }}>
                <div style={{ marginRight: 10 }}>
                  Lorem Ipsum
                </div>
              <div style={{overflow: 'auto', height: 'inherit', display: 'block', maxWidth: 300, marginLeft: 20,}}>
                <div> Item visible</div>
                <div> Item visible</div>
                <div> Item visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
                <div> Item NOT visible</div>
              </div>
            </div>
          </div>
        )
    }
}

ReactDOM.render(<App/>,document.getElementById('app'))

反映不滚动的元素列表

1 个答案: