问题描述
我尝试以反应钩子形式验证图像上传,是的。此验证适用于图像文件。但任何人尝试上传 .txt、.pdf、.docx、.csv、.xlsx 或其他文件,然后验证无法正常工作,也仍然显示以前的错误消息。这是我的代码 -
const SUPPORTED_FORMATS =['image/jpg','image/jpeg','image/png']
const schema = yup.object().shape({
bank_img: yup.mixed()
.test("required","Bank image is a required field",(value) => {
return !value || value.length > 0;
})
.test('type','Invalid image format,supported image format are .jpg,.jpeg and .png',(value) =>{
return value === null || (value && SUPPORTED_FORMATS.includes(value[0]?.type))
})
});
const Add = () => {
const { register,handleSubmit,formState:{ errors } } = useForm({
resolver: yupResolver(schema)
});
const onSubmit = data =>{
console.log(data);
}
return (
<>
<form onSubmit = {handleSubmit(onSubmit)}>
<div>
<input
type="file"
className="form-control-file"
{...register('bank_img')}
/>
<p className='text-danger'>{errors.bank_img?.message}</p>
</div>
<button className="btn btn-primary" type='submit'>
Submit
</button>
</form>
</>
)
}
export default Add
解决方法
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