Firebase 颤振:调用setData时,首先从表单获取文档id
调用setData时如何获取新创建的文档idFirebase 颤振:调用setData时,首先从表单获取文档id,firebase,flutter,google-cloud-firestore,Firebase,Flutter,Google Cloud Firestore,调用setData时如何获取新创建的文档id Future<void> createCommitment() async { await widget._firestore .collection('skills') .document(widget.skillID) .collection("commitment") .document() .setDat
Future<void> createCommitment() async {
await widget._firestore
.collection('skills')
.document(widget.skillID)
.collection("commitment")
.document()
.setData({
'bite_id': widget.biteId,
'start_date': widget.startDate,
'frequnecy': 3
});
}
Future createcommission()异步{
等待widget.\u firestore
.collection(“技能”)
.document(widget.skillID)
.收款(“承诺”)
.文件(
.setData({
'bite_id':widget.biteId,
“开始日期”:widget.startDate,
“频率”:3
});
}
当前实现返回void您必须自己设置它:
DocumentReference _skillsRef = Firestore.instance.collection('skills').document(skillsID);
或自动生成:
DocumentReference _skillsRef = Firestore.instance.collection('skills').document();
这个ref就是你设置的:
_skillsRef.setData({
'bite_id': widget.biteId,
'start_date': widget.startDate,
'frequency': 3
})
您必须自己设置:
DocumentReference _skillsRef = Firestore.instance.collection('skills').document(skillsID);
或自动生成:
DocumentReference _skillsRef = Firestore.instance.collection('skills').document();
这个ref就是你设置的:
_skillsRef.setData({
'bite_id': widget.biteId,
'start_date': widget.startDate,
'frequency': 3
})
不要使用空的
文档()
Future<void> createCommitment() async {
DocumentReference docRef = await widget._firestore
.collection('skills')
.document(widget.skillID)
.collection("commitment")
.add({
'bite_id': widget.biteId,
'start_date': widget.startDate,
'frequnecy': 3,
});
//Here you have the autogenerated ID :
print("ID : ${docRef.documentID}");
}
Future createcommission()异步{
DocumentReference docRef=等待小部件。\u firestore
.collection(“技能”)
.document(widget.skillID)
.收款(“承诺”)
.添加({
'bite_id':widget.biteId,
“开始日期”:widget.startDate,
“频率”:3,
});
//这里有自动生成的ID:
打印(“ID:${docRef.documentID}”);
}
不要使用空的文档()
或setData
,而要像这样使用a
添加:
Future<void> createCommitment() async {
DocumentReference docRef = await widget._firestore
.collection('skills')
.document(widget.skillID)
.collection("commitment")
.add({
'bite_id': widget.biteId,
'start_date': widget.startDate,
'frequnecy': 3,
});
//Here you have the autogenerated ID :
print("ID : ${docRef.documentID}");
}
Future createcommission()异步{
DocumentReference docRef=等待小部件。\u firestore
.collection(“技能”)
.document(widget.skillID)
.收款(“承诺”)
.添加({
'bite_id':widget.biteId,
“开始日期”:widget.startDate,
“频率”:3,
});
//这里有自动生成的ID:
打印(“ID:${docRef.documentID}”);
}