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66 lines
1.5 KiB
66 lines
1.5 KiB
8 years ago
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---
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order: 4
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title:
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zh-CN: 全选
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en-US: Check all
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---
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## zh-CN
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在实现全选效果时，你可能会用到 `indeterminate` 属性。
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## en-US
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The `indeterminate` property can help you to achieve a 'check all' effect.
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````jsx
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import { Checkbox } from 'antd';
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const CheckboxGroup = Checkbox.Group;
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const plainOptions = ['Apple', 'Pear', 'Orange'];
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const defaultCheckedList = ['Apple', 'Orange'];
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const App = React.createClass({
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getInitialState() {
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return {
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checkedList: defaultCheckedList,
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indeterminate: true,
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checkAll: false,
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};
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},
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render() {
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return (
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<div>
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<div style={{ borderBottom: '1px solid #E9E9E9' }}>
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<Checkbox
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indeterminate={this.state.indeterminate}
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onChange={this.onCheckAllChange}
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checked={this.state.checkAll}
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>
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全选
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</Checkbox>
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</div>
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<br />
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<CheckboxGroup options={plainOptions} value={this.state.checkedList} onChange={this.onChange} />
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</div>
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);
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},
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onChange(checkedList) {
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this.setState({
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checkedList,
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indeterminate: !!checkedList.length && (checkedList.length < plainOptions.length),
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checkAll: checkedList.length === plainOptions.length,
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});
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},
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onCheckAllChange(e) {
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this.setState({
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checkedList: e.target.checked ? plainOptions : [],
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indeterminate: false,
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checkAll: e.target.checked,
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});
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},
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});
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ReactDOM.render(<App />, mountNode);
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````
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