您可以对此使用` `switchMapDispatching Multiple Actions from NGRX Effects
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Now our state can stay clean andnormalized, and we’re not usingngrx/effectsfor something that isn’t a side effect. 现在 我们的状态可以保持清晰以及归一化, 我们不再对一些不是副作用的东西使用ngrx/effects。 2. Coupling actions and reducers (耦合 actions 和 reducers) Imagine you have these pro...
To listen to specific actions, @ngrx/effects includes a special whenAction operator on the StateUpdates observable. Before: // ... other needed imports here ... import { createSaga, whenAction, toPayload } from 'store-saga'; const login$ = createSaga(function(http: Http) { return ...
完成，然后返回一个包含聚合响应的数组，如下所示。x一个一个一个一个x一个一个二个x ...
(err=>Observable.of({type:'LOGIN_FAILURE',payload:err})));@Effect()logout():Observable<Action>{returnthis.actions$.ofType('LOGOUT').switchMap(()=>this.auth.logout().map(res=>({type:'LOGOUT_SUCCESS',payload:res})).catch(err=>Observable.of({type:'LOGOUT_FAILURE',payload:err})))...
import { Router } from '@angular/router'; import { Actions, Effect } from '@ngrx/effects'; import { tap, exhaustMap, map, catchError } from 'rxjs/operators'; import { MatDialog } from '@angular/material'; import * as fromAuth from '../actions/auth.actions'; ...
Http){}@Effect()addTodo=this.actions.ofType('ADD_TODO').concatMap(todo=>this.http.post(…).map(()=>({type:'TODO_ADDED',payload:todo})));}functiontodosReducer(todos:Todo[]=[],action:any):Todo[]{if(action.type==='TODO_ADDED'){return[...todos,action.payload];}else{returntodos;...
Reducers react to the Actions dispatched and executes a pure function to update the Store. Pure functions are functions that are predictable and have no side effects. Given the same set of inputs, a pure function will always return the same set of outputs....
失去焦点事件： $("#login_username").blur() 例子全文： // 失去焦点 $("#login_username")....