Reactjs 如何使用Yup验证开始日期是否在结束日期之后?
我有一个使用Formik库创建事件的表单。我需要检查开始日期是否与结束日期重叠,反之亦然。我有两个日期选择器来选择日期和时间。我如何使用Yup来验证这一点,并在它们重叠时显示错误消息 提前谢谢你的帮助Reactjs 如何使用Yup验证开始日期是否在结束日期之后?,reactjs,material-ui,formik,yup,Reactjs,Material Ui,Formik,Yup,我有一个使用Formik库创建事件的表单。我需要检查开始日期是否与结束日期重叠,反之亦然。我有两个日期选择器来选择日期和时间。我如何使用Yup来验证这一点,并在它们重叠时显示错误消息 提前谢谢你的帮助 const validationSchema = Yup.object().shape({ eventName: Yup.string() .min(1, "Must have a character") .max(10, "Must be shorter
const validationSchema = Yup.object().shape({
eventName: Yup.string()
.min(1, "Must have a character")
.max(10, "Must be shorter than 255")
.required("Must enter an event name"),
email: Yup.string()
.email("Must be a valid email address")
.max(255, "Must be shorter than 255")
.required("Must enter an email"),
eventStartDate: Yup.date()
.required("Must enter start date"),
eventEndDate: Yup.date()
.required("Must enter end date")
})
var defaultValue = new Date().toDateString
export default function EventForm(){
return (
<Formik
initialValues={{eventName: "", email: "", }}
validationSchema={validationSchema}
onSubmit={(values, {setSubmitting, resetForm}) => {
setTimeout(() => {
}}
>
{ ({
values,
errors,
touched,
handleChange,
handleBlur,
handleSubmit,
isSubmitting
}) => (
<form onSubmit={handleSubmit}>
<div className="input-row">
<TextField
id="eventName"
label="Event Name"
margin="normal"
variant="filled"
onChange={handleChange}
onBlur={handleBlur}
value={values.eventName}
className={touched.eventName && errors.eventName ? "has-error" : null}
/>
<Error touched={touched.eventName} message={errors.eventName}/>
</div>
<div className="dateHolder">
<div className="startDate">
<TextField
id="eventStartDate"
label="Event Start Date"
type="datetime-local"
InputLabelProps={{
shrink: true
}}
format="yyy-dd-mm HH:MM:ss"
onChange={handleChange}
onBlur={handleBlur}
value={values.eventStartDate}
/>
<Error touched={touched.eventStartDate} message={errors.eventStartDate}/>
</div>
<div className="endDate">
<TextField
id="eventEndDate"
label="Event End Date"
type="datetime-local"
InputLabelProps={{
shrink: true
}}
format="yyy-dd-mm HH:MM:ss"
onChange={handleChange}
onBlur={handleBlur}
value={values.eventEndDate}
/>
<Error touched={touched.eventEndDate} message={errors.eventEndDate}/>
</div>
</div>
<div className="input-row">
<button type="submit" disabled={isSubmitting} >
Submit
</button>
</div>
</form>
)}
</Formik>
)
}
const validationSchema=Yup.object().shape({
eventName:Yup.string()
.min(1,“必须有字符”)
.max(10,“必须小于255”)
.必填(“必须输入事件名称”),
电子邮件:Yup.string()
.电子邮件(“必须是有效的电子邮件地址”)
.max(255,“必须小于255”)
。必填(“必须输入电子邮件”),
eventStartDate:是的日期()
.必填(“必须输入开始日期”),
eventEndDate:是的,日期()
.必填(“必须输入结束日期”)
})
var defaultValue=new Date().toDateString
导出默认函数EventForm(){
返回(
{
设置超时(()=>{
}}
>
{ ({
价值观
错误,
感动的,
handleChange,
车把,
手推,
提交
}) => (
提交
)}
)
}
您可以在以下情况下使用:
eventStartDate: yup.date().default(() => new Date()),
eventEndDate: yup
.date()
.when(
"startDate",
(eventStartDate, schema) => eventStartDate && schema.min(eventStartDate))
使用ref
yup.object().shape({
startDate: date(),
endDate: date().min(
yup.ref('startDate'),
"end date can't be before start date"
)
});
纳德的回答对我有用。
但我有一些额外的验证条件,如果选中复选框,那么验证开始日期在结束日期之前。因此,我提出了这段代码。如果将来有人需要,请留下
Yup.object.shape({
ServiceCheck: Yup.boolean().default(false),
StartDateTime: Yup.date().when('ServiceCheck', {
is: (ServiceCheck=> {
return (!!ServiceCheck) ? true : false;
}),
then: Yup.date().required('Start Date/Time is required')
}).nullable(),
EndDateTime: Yup.date().when('ServiceCheck', {
is: (ServiceCheck=> {
return (!!ServiceCheck) ? true : false;
}),
then: Yup.date().min(Yup.ref('StartDateTime'),
"End date can't be before Start date").required('End Date/Time is required')
}).nullable(),
})
无条件
Yup.object().shape({
StartDate: Yup.date(),
EndDate: Yup.date().min(
Yup.ref('StartDate'),
"End date can't be before Start date"
)
});
这应该是公认的答案我完全同意你的看法@gogaz