**添加了更多信息，我没有显示完整的组件**
我当前有一个警报窗口，当填写预订请求表格时，该窗口会在网站上弹出。如果已发送电子邮件，则它是成功警报，否则，它会通知您未发送电子邮件。我正在尝试将它们交换到React Bootstrap Modal窗口，但无法使它们成功打开模式窗口，下一页将加载无模式。
注意：我尝试在表单onSubmit以及表单提交按钮的onClick（）中调用handleShow（），但是模式窗口不会显示任何一种。
export default function BookingFormPrivate() {
const { shows, getShows } = useContext(ShowContext)
const [ name, setName ] = useState('')
const [ email, setEmail ] = useState('')
const [ phone, setPhone ] = useState('')
const [ venue, setVenue ] = useState('')
const [ location, setLocation ] = useState('')
const [ time, setTime ] = useState('')
const [ url, setUrl ] = useState('https://www.')
const [ emailBody, setEmailbody ] = useState('')
const [ type, setType ] = useState('Private')
const [ events, setEvents ] = useState('')
const [ showDate, setShowDate ] = useState('')
useEffect(() => {
getShows()
}, [])
const inputs = {
name,
email,
phone,
emailBody,
events,
venue,
location,
time,
showDate,
url,
type
}
const [showModal, setShowModal] = useState(false);
const handleShow = () => setShowModal(true);
const handleClose = () => setShowModal(false);
const sendMessage = () => {
console.log(inputs)
axios
.post('/sendBooking', inputs)
.then(res => {
if (res.data.status === 'success') {
return (
<Modal.Dialog show={showModal} onHide={handleClose}>
<Modal className='modal fade' id='myModal'>
<Modal.Header className='modal-header'>
<h5 className='modal-title'>Private Booking Email Sent</h5>
<button type="button" className="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</Modal.Header>
<Modal.Body className='modal-body'>
<p>A message about your private event has been sent, we will get back to you as soon as possible. </p>
</Modal.Body>
<Modal.Footer className='modal-footer'>
<button className='btn btn-primary' data-dismiss='modal' onClick={handleClose}>Close</button>
</Modal.Footer>
</Modal>
</Modal.Dialog>
)
} else if (res.data.status === 'fail') {
alert("Message failed to send, please try again.")
}
})
.catch(error => {
console.error(error)
})
}
const clearInputs = () => {
setName('')
setEmail('')
setPhone('')
setEmailbody('')
setEvents('')
setVenue('')
setLocation('')
setTime('')
setShowDate('')
setUrl('https://www.')
setType('Private')
setNewPotentialShowInfo({
name: '',
phone: '',
email: '',
emailBody: '',
venue: '',
location: '',
time: '',
date: '',
type: 'Private',
url: 'https://www.'
})
}
const [ newPotentialShowInfo, setNewPotentialShowInfo ] = useState({
name: '',
phone: '',
email: '',
emailBody: '',
venue: '',
location: '',
time: '',
date: '',
type: 'Private',
url: 'https://www.'
})
const { addPotentialShow } = useContext(ShowContext)
const newPotentialShowFunction = () => {
addPotentialShow(newPotentialShowInfo)
.then(() => {
clearInputs()
})
.catch(err => console.error(err.response.data.message))
}
const handleSubmit = e => {
e.preventDefault();
sendMessage();
newPotentialShowFunction();
// handleShow();
}
const handleChange = e => {
console.log(newPotentialShowInfo)
const { name, value } = e.target
setNewPotentialShowInfo(prevPotentialShow => ({
...prevPotentialShow,
[name]: value
}))
if( name === 'name' ){
setName(value)
} else if ( name === 'phone' ){
setPhone(value)
} else if ( name === 'email' ){
setEmail(value)
}
const dateChange = (date) => {
console.log(newPotentialShowInfo)
const dateString = date.toString()
const shortDate = dateString.slice(0, 15)
setEvents(shortDate)
console.log(shortDate)
// setDate(date)
setNewPotentialShowInfo(prevPotentialShow => ({
...prevPotentialShow,
date:shortDate
}))
}
const result = shows && shows.map(dates => (dates.date))
const checkDateDisable = (data) => {
return result.includes(new Date(data.date).toISOString())
}
return(
<div className='bookingContainer'>
<form className='bookingForm' onSubmit={handleSubmit}>
<h3 className='formIntro'>PLEASE FILL OUT FORM TO<br/>REQUEST A PRIVATE EVENT</h3>
<input type='text'
placeholder='Full Name'
name='name'
className='formInput'
required='required'
value={name}
onChange={handleChange}
/>
<input type='email'
placeholder='E-mail'
name='email'
className='formInput'
required='required'
value={email}
onChange={handleChange}
/>
<button type='submit' className='formButton' onClick={handleShow}>
Submit
</button>
</form>
<div className='bookingCalendarPrivate'>
<Calendar
onChange={dateChange}
value={events.date}
tileDisabled={checkDateDisable}
calendarType="US"
/>
</div>
</div>
)
}
尝试使用useEffect（）钩子（https://reactjs.org/docs/hooks-effect.html）执行http请求。 useEffect（）使用一个回调函数，该函数在您的组件已安装到DOM的after中执行。useEffect（）的第二个参数是一个依赖项数组。在这种情况下，我们传递一个空数组，因为我假设您只需要该代码块才能执行一次。]
此外，您的状态变量必须是inside
的组件，才能正确访问它们。const SendMessage = props => {
const [showModal, setShowModal] = useState(false);
const handleShow = () => setShowModal(true);
const handleClose = () => setShowModal(false);
useEffect(() => {
axios
.post('/sendBooking', inputs)
.then(res => {
if (res.data.status === 'success') {
handleShow();
} else if (res.data.status === 'fail') {
alert("Message failed to send, please try again.");
}
})
}, []);
return (
{showModal ? (
<Modal.Dialog show={handleShow} onHide={handleClose}>
<Modal className='modal fade' id='myModal'>
<Modal.Header className='modal-header'>
<h5 className='modal-title'>Private Booking Email Sent</h5>
<button type="button" className="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</Modal.Header>
<Modal.Body className='modal-body'>
<p>A message about your private event has been sent, we will get back to you as soon as possible. </p>
</Modal.Body>
<Modal.Footer className='modal-footer'>
<button className='btn btn-primary' data-dismiss='modal' onClick={handleClose}>Close</button>
</Modal.Footer>
</Modal>
</Modal.Dialog>
) : null}
);
}