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我正在使用Ionic 2和Meteor/Mongo。Sorting a Meteor Cursor
我想排序Cursor
,但發現它只是保持項目插入的原始順序。
模式
interface Chat {
_id?: string;
memberIds?: string[];
title?: string;
subTitle?: string;
picture?: string;
lastMessage?: Message;
lastMessageCreatedAt?: Date;
receiverComp?: Tracker.Computation;
lastMessageComp?: Tracker.Computation;
}
TS
private sortLocalChats(): void {
this.localChatCursor = this.localChatCollection.find({}, { sort: { lastMessageCreatedAt: -1 } });
this.localChatCursor.forEach((chat: Chat) => {
console.log(chat.title+' '+chat.lastMessageCreatedAt);
});
console.log('==> loaded sorted local chats: ' + this.localChatCollection.find().count());
輸出
Ashton Marais Thu Oct 06 2016 16:50:36 GMT+0800 (CST)
Ashton Marais Wed Oct 12 2016 21:20:18 GMT+0800 (CST)
ghjghj ghjghg Wed Oct 05 2016 23:37:49 GMT+0800 (CST)
Brett Simpson Thu Oct 06 2016 23:52:05 GMT+0800 (CST)
==> loaded sorted local chats: 4
我本來期望這件T o按lastMessageCreatedAt
排序。
任何幫助表示讚賞。