32 lines
1.0 KiB
Markdown
32 lines
1.0 KiB
Markdown
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<cn>
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#### 获得选项的文本
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默认情况下 `onChange` 里只能拿到 value，如果需要拿到选中的节点文本 label，可以使用 `labelInValue` 属性。
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选中项的 label 会被包装到 value 中传递给 `onChange` 等函数，此时 value 是一个对象。
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</cn>
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<us>
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#### Get value of selected item
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As a default behavior, the onChange callback can only get the value of the selected item. The labelInValue prop can be used to get the label property of the selected item.
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The label of the selected item will be packed as an object for passing to the onChange callback.
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</us>
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```html
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<template>
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<a-select labelInValue :defaultValue="{ key: 'lucy' }" style="width: 120px" @change="handleChange">
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<a-select-option value="jack">Jack (100)</a-select-option>
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<a-select-option value="lucy">Lucy (101)</a-select-option>
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</a-select>
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</template>
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<script>
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export default {
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methods: {
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handleChange(value) {
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console.log(value); // { key: "lucy", label: "Lucy (101)" }
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}
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}
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}
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</script>
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```
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