[英]React how to use icon inside Textfield Material-UI with TypeScript and Formik
我使用 TypeScript Material UI 和 Formik 設計了一個帶有驗證的表單。 我希望在我的文本字段區域中出現一個材質 UI 圖標,這是我的代碼:
import React from 'react'
import { Formik, Form, FieldAttributes,useField} from 'formik'
import { TextField } from '@material-ui/core'
import CalendarTodayIcon from '@material-ui/icons/CalendarToday'
import * as yup from 'yup'
import './MainInfo.css'
const MyTextField: React.FC<FieldAttributes<{}>> = ({
placeholder,type,className,style,
...props
}) => {
const [field, meta] = useField<{}>(props);
const errorText = meta.error && meta.touched ? meta.error : "";
return (
<div className='container'>
<TextField
placeholder={placeholder}
className={className}
style={style}
type={type}
{...field}
helperText={errorText}
error={!!errorText}
id="outlined-basic"
variant="outlined"
/>
</div>
);
};
export function MainInfo() {
return (
<div>
<Formik
validateOnChange={true} validationSchema={validationSchema} initialValues={{ Title: '', ActivationDate: '', ExpirationDate: '', DirectManager: '', HRBP: '' }} onSubmit={(data) => {
console.log(data)
}}
>
{({values, errors}) => (
<Form id='my-form' >
<div>
<label className='label'>عنوان</label>
<div >
<MyTextField style={{width:'60%'}} placeholder='طراح' name='Title' type='input' />
</div>
...
</div>
</Form>
)}
</Formik>
</div>
)
}
但問題是我無法添加新的 Icon 屬性或 InputProp 因為<FieldAttributes<{}>>
不接受它。 如何為 FieldAttributes 定義新屬性或解決此問題?
使用 TextField Props InputProps自定義輸入字段
並使用startAdornment
, endAdornment
自定義前綴/后綴
最后在InputAdornment
中使用圖標就可以了
import { TextField, InputAdornment } from "@material-ui/core";
import ExpandLess from "@material-ui/icons/ExpandLess";
import ExpandMore from "@material-ui/icons/ExpandMore";
<TextField
id="standard-basic"
label="Standard"
InputProps={{
startAdornment: (
<InputAdornment position="start">
<ExpandLess />
</InputAdornment>
),
endAdornment: (
<InputAdornment position="end">
<ExpandMore />
</InputAdornment>
)
}}
/>
參考:
MUI TextField Props API : InputProps, startAdornment, endAdornment
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