[英]React - Ant Design, Form with getFieldDecorator and initialValue not working in single chechbox
[英]React ant design form validation not working (on submit)
當我按提交時,如果沒有填寫電子郵件/密碼,則應在其下方顯示一條消息,說明需要電子郵件/密碼,但沒有發生
代碼沙箱鏈接: https://codesandbox.io/s/gracious-hypatia-ieepw?file=/src/App.js:0-1221
import './App.css';
import {Button, Form, Input, Checkbox} from 'antd'
import 'antd/dist/antd.css';
function App() {
return (
<div className="App">
<Form
name="basic"
initialValues={{
remember: true,
}}
>
<h1 className="Title">Sign Up</h1>
<h2 className="Text">Enter Email :</h2>
<Form.Item
rules={[
{
required: true,
message: 'Please input your email!',
},
]}
>
<Input placeholder="Enter Email" />
</Form.Item>
<h2 className="Text">Enter Password :</h2>
<Form.Item
rules={[
{
required: true,
message: 'Please input your password!',
},
]}
>
<Input.Password placeholder="Enter Password" />
</Form.Item>
<Form.Item name="remember" valuePropName="checked">
<Checkbox>Remember me</Checkbox>
</Form.Item>
<Form.Item >
<div className="Button">
<Button type="primary" htmlType="submit" size="medium">
Submit
</Button>
</div>
</Form.Item>
</Form>
</div>
);
}
export default App;```
您需要為Form.Item
組件指定name
屬性。 antd
表單實用程序使用name
。 因此,由於您尚未為文本輸入字段定義名稱,因此它無法驗證或讀取其值。 您應該像這樣更改您的Form.Item
:
<Form.Item
name="email"
rules={[
{
required: true,
message: 'Please input your email!',
},
]}
>
<Input placeholder="Enter Email" />
</Form.Item>
<Form.Item
name="password"
rules={[
{
required: true,
message: 'Please input your password!',
},
]}
>
<Input.Password placeholder="Enter Password" />
</Form.Item>
我知道我的回復遲了,但我希望它會幫助別人。 幾天前我實際上遇到了同樣的問題,但我的問題是我在按鈕中有一個被調用的方法,而不是在表單中。 而且您的問題還在於您沒有指定名稱屬性。
因此,首先您必須創建一個方法並在 Form 標記中調用它,然后您必須為每個 Form.Item 組件指定 name 屬性。 看起來像這樣:
import {Button, Form, Input, Checkbox} from 'antd'
import 'antd/dist/antd.css';
function App() {
const [form] = Form.useForm();
const onFinish = (values) => {
console.log(form.getFieldsValue());
console.log('Success:', values);
form.validateFields();
};
const onFinishFailed = (errorInfo) => {
console.log('Failed:', errorInfo);
};
return (
<div className="App">
<Form form={form}
name="basic"
initialValues={{
remember: true,
}}
onFinish={onFinish}
>
<h1 className="Title">Sign Up</h1>
<h2 className="Text">Enter Email :</h2>
<Form.Item
name="email"
rules={[
{
required: true,
message: 'Please input your email!',
},
]}
>
<Input placeholder="Enter Email" />
</Form.Item>
<h2 className="Text">Enter Password :</h2>
<Form.Item
name="password"
rules={[
{
required: true,
message: 'Please input your password!',
},
]}
>
<Input.Password placeholder="Enter Password" />
</Form.Item>
<Form.Item name="remember" valuePropName="checked">
<Checkbox>Remember me</Checkbox>
</Form.Item>
<Form.Item >
<div className="Button">
<Button type="primary" htmlType="submit" size="medium">
Submit
</Button>
</div>
</Form.Item>
</Form>
</div>
);
}
export default App;````
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