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react 获取高度不及时

用的是antd mobile框架
但是当高度改变当时候还是显示之前的高度,但是在控制台看dom的高度是已经改变了的;
当第二次执行onInput事件的时候 才会获取到已改变的高度;

<TextareaItem
 ref="input"
 style={this.inputStyle}
    autoHeight
 onInput={(e) => {
        console.log((e.target as HTMLAreaElement).clientHeight);
 }}
    onChange={(e) => this.onInput(e)}
/>

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