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ant select 如何获取到当前select选中的值?

ant select 如何获取到当前select选中的值?
image.png
目前想到的方法是在通过在select上加ref的形式,但是打印出selectLevelOneRef.current是这种形式没有获取到值?
image.png

    <Select ref={selectLevelOneRef} defaultValue="lucy" style={{ width: 120 }}>
      <Option value="jack">Jack</Option>
      <Option value="lucy">Lucy</Option>
      <Option value="disabled" disabled>
        Disabled
      </Option>
      <Option value="Yiminghe">yiminghe</Option>
    </Select>

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onChange的时候记录下变化的值就行了呀。


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