标签:const 自定义 form Currency number value return currency antd
antd 4
import React, { useState } from 'react'; import { Form, Input, Select, Button } from 'antd'; const { Option } = Select; type Currency = 'rmb' | 'dollar'; interface PriceValue { number?: number; currency?: Currency; } interface PriceInputProps { value?: PriceValue; onChange?: (value: PriceValue) => void; } const PriceInput: React.FC<PriceInputProps> = ({ value = {}, onChange }) => { const [number, setNumber] = useState(0); const [currency, setCurrency] = useState<Currency>('rmb'); const triggerChange = (changedValue: { number?: number; currency?: Currency }) => { onChange?.({ number, currency, ...value, ...changedValue }); }; const onNumberChange = (e: React.ChangeEvent<HTMLInputElement>) => { const newNumber = parseInt(e.target.value || '0', 10); if (Number.isNaN(number)) { return; } if (!('number' in value)) { setNumber(newNumber); } triggerChange({ number: newNumber }); }; const onCurrencyChange = (newCurrency: Currency) => { if (!('currency' in value)) { setCurrency(newCurrency); } triggerChange({ currency: newCurrency }); }; return ( <span> <Input type="text" value={value.number || number} onChange={onNumberChange} style={{ width: 100 }} /> <Select value={value.currency || currency} style={{ width: 80, margin: '0 8px' }} onChange={onCurrencyChange} > <Option value="rmb">RMB</Option> <Option value="dollar">Dollar</Option> </Select> </span> ); }; const Demo = () => { const onFinish = (values: any) => { console.log('Received values from form: ', values); }; const checkPrice = (_: any, value: { number: number }) => { if (value.number > 0) { return Promise.resolve(); } return Promise.reject(new Error('Price must be greater than zero!')); }; return ( <Form name="customized_form_controls" layout="inline" onFinish={onFinish} initialValues={{ price: { number: 0, currency: 'rmb', }, }} > <Form.Item name="price" label="Price" rules={[{ validator: checkPrice }]}> <PriceInput /> </Form.Item> <Form.Item> <Button type="primary" htmlType="submit"> Submit </Button> </Form.Item> </Form> ); }; ReactDOM.render(<Demo />, mountNode);
标签:const,自定义,form,Currency,number,value,return,currency,antd 来源: https://www.cnblogs.com/sexintercourse/p/15943893.html
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