firebase - 在颤动中从firebase检索时间时出错?
问题描述
大家好,我正在尝试检索存储在 firebase 中的时间和日期,但我以毫秒为单位返回时间值。有人可以帮我解决这个问题。
这是我的代码
class _UserListState extends State<UserList> {
final databaseReference = Firestore.instance;
getList() async {
databaseReference
.collection("bookings")
.getDocuments()
.then((QuerySnapshot snapshot) {
return snapshot.documents;
});
}
@override
Widget build(BuildContext context) {
return
Scaffold(
appBar: AppBar(title: Text(widget.isDelete? "Delete User": "User List"),backgroundColor: Colors.indigo,),
body: ListView(
padding: EdgeInsets.all(12.0),
children: <Widget>[
SizedBox(height: 20.0),
StreamBuilder<QuerySnapshot>(
stream: databaseReference.collection('bookings').snapshots(),
builder: (context, snapshot) {
if (snapshot.hasData) {
return Column(
children: snapshot.data.documents.map((doc) {
print(doc.data);
return ListTile(
title: RichText(
text: TextSpan(children: [
TextSpan(text: "Boat_id : ${doc.data["boat_id"]}\n"),
TextSpan(text: "Grand Total : ${doc.data["grand_total"]}\n"),
TextSpan(text: "Number of Passengers : ${doc.data["no_of_passengers"]}\n"),
TextSpan(text: "Promo code : ${doc.data["promo_code"]}\n"),
TextSpan(text: "Date and Time(From) : ${doc.data["selected_from_date"]}\n"),
TextSpan(text: "Date and Time(To) : ${doc.data["selected_to_date"]}\n"),
], style: TextStyle(color: Colors.black)),
解决方案
改变这个:
TextSpan(text: "Date and Time(From) : ${doc.data["selected_from_date"]}\n"),
TextSpan(text: "Date and Time(To) : ${doc.data["selected_to_date"]}\n"),
进入这个:
TextSpan(text: "Date and Time(From) : ${doc.data["selected_from_date"].toDate()}\n"),
TextSpan(text: "Date and Time(To) : ${doc.data["selected_to_date"].toDate()}\n"),
该toDate()
方法应该将 timeStamp 转换为普通日期,您可以在此处找到该方法:
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