本文介绍了在Firestore中获取文档名称的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
当我从一个集合中获取多个文档时,结果只是每个文档数据都有一个数组.
When I get several documents from a collection, the result is only an array with each doc data.
firestore.collection("categories").valueChanges().subscribe(data => { console.log(data); // result will be: [{…}, {…}, {…}] };
如何获取每个文档的名称?
How can I get the name of each doc?
理想的结果如下:
{"docname1": {…}, "docname2": {…}, "docname3": {…}}推荐答案
当您需要访问其他元数据(例如文档的键)时,可以使用snapshotChanges()流方法.
When you need to access additional metadata like the key of your Document, you can use the snapshotChanges() streaming method.
firestore.collection("categories").valueChanges().map(document => { return document(a => { const data = a.payload.doc.data();//Here is your content const id = a.payload.doc.id;//Here is the key of your document return { id, ...data }; });您可以查看文档以获得进一步的解释和例子
You can review the documentation for further explanation and example
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在Firestore中获取文档名称
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