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# 校验提示
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- order: 4
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我们为表单控件定义了三种校验状态,为 `<Form.Item>` 定义 `validateStatus` 属性即可。
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validateStatus: ['success', 'warning', 'error', 'validating']。
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另外为输入框添加反馈图标,设置 `<Form.Item>``hasFeedback` 属性值为 `true` 即可。
**注意**: 反馈图标只对 `<Form.Input>` 有效。
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---
````jsx
var Form = antd.Form;
var Datepicker = antd.Datepicker;
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ReactDOM.render(
<Form horizontal>
<Form.Item
label="失败校验:"
labelClassName="col-5"
wrapperClassName="col-12"
validateStatus="error"
help="请输入数字和字母组合">
<Form.Input type="text" value="无效选择" id="error" />
</Form.Item>
<Form.Item
label="警告校验:"
labelClassName="col-5"
wrapperClassName="col-12"
validateStatus="warning">
<Form.Input type="text" value="前方高能预警" id="warning" />
</Form.Item>
<Form.Item
label="校验中:"
labelClassName="col-5"
wrapperClassName="col-12"
hasFeedback={true}
validateStatus="validating"
help="信息审核中...">
<Form.Input type="text" value="我是被校验的内容" id="validating" />
</Form.Item>
<Form.Item
label="成功校验:"
labelClassName="col-5"
wrapperClassName="col-12"
hasFeedback={true}
validateStatus="success">
<Form.Input type="text" value="我是正文" id="success" />
</Form.Item>
<Form.Item
label="警告校验:"
labelClassName="col-5"
wrapperClassName="col-12"
hasFeedback={true}
validateStatus="warning">
<Form.Input type="text" value="前方高能预警" id="warning" />
</Form.Item>
<Form.Item
label="失败校验:"
labelClassName="col-5"
wrapperClassName="col-12"
hasFeedback={true}
validateStatus="error"
help="请输入数字和字母组合">
<Form.Input type="text" value="无效选择" id="error" />
</Form.Item>
<Form.Item
label="Datepicker 失败:"
labelClassName="col-5"
validateStatus="error">
<div className="col-6">
<Datepicker />
</div>
<div className="col-1">
<p className="ant-form-split">-</p>
</div>
<div className="col-6">
<Datepicker />
</div>
<div className="col-19 col-offset-5">
<p className="ant-form-explain">请输入正确选项</p>
</div>
</Form.Item>
</Form>
, document.getElementById('components-form-demo-validate'));
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````