我有一組日期/時間字符串,我試圖在狀態樹中爲我的React應用程序存儲moment
對象。然後我想顯示這些對象,格式化的,在我的組件,像這樣:在React組件中格式化矩形對象
{ ticket.reportDateUtc.format('YYYY-MM-DD hh:mm a') }
這將導致以下錯誤,當我嘗試在我作出反應的應用程序來查看這個組件:
TypeError: ({_isAMomentObject:true, _i:"2015-10-05T20:06:58Z",
_f:"YYYY-MM-DDTHH:mm:ssZ", _tzm:-0, _isUTC:false,
_pf:{empty:false, unusedTokens:[], unusedInput:[], overflow:-1, charsLeftOver:0, nullInput:false, invalidMonth:null, invalidFormat:false, userInvalidated:false, iso:true},
_locale:{_ordinalParse:/\d{1,2}(th|st|nd|rd)/, ordinal:(function (number) {
"use strict";
var b = number % 10,
output = (toInt(number % 100/10) === 1) ? 'th' :
(b === 1) ? 'st' :
(b === 2) ? 'nd' :
(b === 3) ? 'rd' : 'th';
return number + output;
}), _abbr:"en", _ordinalParseLenient:/\d{1,2}(th|st|nd|rd)|\d{1,2}/}, _d:(new Date(1444075618000))}) is not extensible
但是,如果我將moment
格式化爲字符串時,將其保存到狀態,然後將該字符串顯示在組件中,它會顯示成功(但我不希望這樣做,因此我可以重複使用具有不同格式選項的對象) 。 react docs似乎表明我正在使用正確的語法(它們的示例完全相同,但使用Javascript的內置對象Date
)。有沒有什麼我做錯了,或者當時庫在React組件中無法正常工作?
編輯:這裏是哪裏出了問題被體現的渲染方法之一:
render() {
const ticket = this.props.ticket;
const notes = ticket.notes.map(note => <TicketRowNote key={note.id} note={note}/>);
return (
<tr className="pointer" onClick={history.replaceState.bind(this, null, `/tickets/${ticket.id}`)}>
<td>{ ticket.id }</td>
<td>
<i className="fa fa-flag"/>
</td>
<td className="text-right no-break">{ ticket.reportDateUtc.format('YYYY-MM-DD hh:mm a') }</td>
<td className="text-right no-break">{ ticket.lastUpdated.format('YYYY-MM-DD hh:mm a') }</td>
<td className="text-center">{ ticket.problemtype.detailDisplayName }</td>
<td>
<OverlayTrigger trigger={ ["hover", "focus"] } placement="bottom"
overlay={<Popover id={ "detail-" + ticket.id + "-popover" } title={ ticket.subject }><span dangerouslySetInnerHTML={ helpers.getMarkup(ticket.detail) }/></Popover>}>
<div className="detail-wrapper">
<strong>{ ticket.subject }</strong>
</div>
</OverlayTrigger>
</td>
<td>
{ notes }
</td>
<td className="no-break"><a href={ "mailto:" + ticket.clientReporter.email }><i
className="fa fa-envelope-o"/></a> { ticket.displayClient }
</td>
<td className="text-center">{ ticket.statustype.statusTypeName }</td>
<td className="text-center no-break">{ ticket.prioritytype.priorityTypeName }</td>
<td className="no-break"><a href={ "mailto:" + ticket.clientTech.email }><i
className="fa fa-envelope-o"/></a> { ticket.clientTech.displayName }
</td>
</tr>
);
}
而且其狀態更新的方法(我知道這看起來很可怕,不幸的是我負責的一個可怕的API ):
export function retrieveTickets(scope) {
tree.set('isLoading', true);
api.getTickets(scope).then((res) => {
let tickets = [];
// Extremely annoying workaround for WHD being terrible
let count = res.length;
res.forEach(function (ticket) {
api.getTicketDetail(ticket.id).then((res) => {
for (let attr in res) {
if (res.hasOwnProperty(attr)) {
ticket[attr] = res[attr];
}
}
ticket.lastUpdated = moment(ticket.lastUpdated).add(4, 'hours');
ticket.notes = slice(ticket.notes, 0, 2).map(function (note) {
note.commenterName = helpers.extractCommenterName(note.prettyUpdatedString);
note.strippedText = helpers.stripTags(note.mobileNoteText);
return note;
});
ticket.reportDateUtc = moment(ticket.reportDateUtc);
if (ticket.closeDate) {
ticket.closeDate = moment(ticket.closeDate).add(4, 'hours');
}
if (ticket.displayDueDate) {
ticket.displayDueDate = moment(ticket.displayDueDate).add(4, 'hours');
}
tickets.push(ticket);
if (tickets.length === count) {
tree.set('tickets', tickets);
tree.set('isLoading', false);
}
});
});
});
}
這是'{ticket.reportDateUtc.format('YYYY-MM-DD hh:mm a')}'你在JSX中調用什麼來顯示日期? – Mayas
是的,其中'ticket.reportDateUtc'是時刻對象。 – NeuroXc
然後只要確保'ticket.reportDateUtc.format('YYYY-MM-DD hh:mm a')'是一個字符串。 – Mayas