我使用不同的方法创建了几个不同版本的Formik表单,试图使错误处理正常工作(具体地说,如果某些字段中的输入不是字符串,则拒绝这些输入)。很难理解为什么一个非字符串没有被选中并抛出一个错误...
这是我的第一次尝试,它使用Material UI TextField + useFormik
import { useFormik } from 'formik';
import * as yup from 'yup';
import Button from '@material-ui/core/Button';
import TextField from '@material-ui/core/TextField';
import { IAssetDTO } from '../types/types';
const validationSchema = yup.object({
id: yup
.string()
.min(1, "Please enter id more than 1 character")
.required("This field is required"),
name: yup
.string()
.min(1, "Please enter name more than 1 character")
.required("This field is required"),
tags: yup
.array()
.nullable(),
type: yup
.string()
.min(1, "Please enter name more than 1 character")
.required("This field is required"),
s3URL: yup
.string()
.min(1, "Please enter name more than 1 character")
.required("This field is required"),
thumbnailImageURL: yup
.string()
.min(1, "Please enter name more than 1 character")
.required("This field is required"),
});
//create your own upload component
export const EditAssetForm = (props:IAssetDTO) => {
const formik = useFormik({
initialValues: {
id: props.id,
name: props.name,
tags: props.tags,
type: props.type,
s3URL: props.s3URL,
thumbnailImageURL: props.thumbnailImageURL,
createdAt:props.createdAt,
updatedAt:props.createdAt
},
validationSchema: validationSchema,
onSubmit: (values) => {
console.log("logging values" +JSON.stringify(values))
alert(JSON.stringify(values, null, 2));
},
});
return (
<div>
<form onSubmit={formik.handleSubmit}>
<TextField
fullWidth
id="id"
name="id"
label="ID"
value={formik.values.id}
onChange={formik.handleChange}
error={formik.touched.id && Boolean(formik.errors.id)}
helperText={formik.touched.id && formik.errors.id}
/>...一切都渲染得很好,并且会抛出适当的错误,以便最大限度地减少字符,并且是必需的。但是如果我输入一个字符串,就不会抛出错误。
这是我的第二次尝试,我将组件更改为使用带模式验证的Formik、Form和Field
import { Formik, Form, Field } from 'formik';
import * as Yup from 'yup';
import { IAssetDTO } from '../types/types';
const ValidationSchema = Yup.object().shape({
id: Yup
.string()
.min(25, "Please enter id more than 25 character")
.required("This field is required"),
name: Yup
.string()
.min(1, "Please enter name more than 1 character")
.required("This field is required"),
tags: Yup
.array()
.nullable(),
type: Yup
.string()
.min(1, "Please enter name more than 1 character")
.required("This field is required"),
s3URL: Yup
.string()
.min(1, "Please enter name more than 1 character")
.required("This field is required"),
thumbnailImageURL: Yup
.string()
.min(1, "Please enter name more than 1 character")
.required("This field is required"),
});
export const NewEditAssetForm = (props:IAssetDTO) => (
<div>
<h1>Signup</h1>
<Formik
initialValues={{
id: props.id,
name: props.name,
tags: props.tags,
type: props.type,
s3URL: props.s3URL,
thumbnailImageURL: props.thumbnailImageURL,
createdAt:props.createdAt,
updatedAt:props.createdAt
}}
validationSchema={ValidationSchema}
onSubmit={values => {
console.log("logging values" +JSON.stringify(values))
alert(JSON.stringify(values, null, 2));
}}
>
{({ errors, touched }) => (
<Form>
<Field name="id" />
{errors.id && touched.id ? (
<div>{errors.id}</div>
) : null}...当输入值不是字符串时(例如,当我输入一个数字时),仍然不会抛出错误。
我想这可能是因为我在向窗体传递道具?所以我把道具拿出来了。
我的上一次尝试使用的是validation schema example的精确复制和粘贴,并且当输入是数字时不会抛出错误。
我错过了什么简单的东西?
谢谢
发布于 2021-08-26 06:45:39
对于来自Yup的任何字符串验证,它们都接受字母数字值。如果只想要字母(例如一个名字),那么可以探索正则表达式。
https://stackoverflow.com/questions/68930082
复制相似问题