使用push(data)Angularfire2时出现处理错误

本文介绍了使用push(data)Angularfire2时出现处理错误的处理方法，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 使用angularFire2推送数据时如何处理错误?How to handle Error when pushing data with angularFire2?我使用以下方法:todoLists: AngularFireList<TodoList>;addList(data): ThenableReference { const item: Item = { name: data.task, state: false, description: 'No description' }; const todoList: TodoList = { id: '', name: data.name, items: [item] }; this.todoLists.push(todoList).then(_ => this.presentToast('List succesfuly added')) .catch(err => _ => this.presentToast('Something wrong happened')); }这里的问题是AngularFire的push方法返回一个ThenableReference，因此该接口中不存在catch方法.The problem here is that the push method of AngularFire returns an ThenableReference so the catch method doesn't exist in that interface.这是来自编辑器(vscode)的消息Here's the message from the editor (vscode)推荐答案我遇到了同样的问题，并且发现可以用push()方法创建thenable引用，然后使用set方法在.catch上返回错误.I had the same problem, and I found I could create the thenable reference with the push() method, then use set which returns an error on .catch.在文档中的更多此处.todoLists: AngularFireList<TodoList>;addList(data): void { const item: Item = { name: data.task, state: false, description: 'No description' }; const todoList: TodoList = { id: '', name: data.name, items: [item] }; // .push() also creates a new unique key, which can be accessed with ref.key let ref: Reference = this.todoLists.push(); ref.set(todoList) .then( () => this.presentToast('List succesfuly added')) .catch(err => this.presentToast('Something wrong happened: ' + err));} 这篇关于使用push(data)Angularfire2时出现处理错误的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！