通常,在使用@ angular / cli开发应用程序时,可以通过以下方式添加新服务:
ng generate service foo
这将生成“ FooService”。
我的问题是,当您使用@ nrwl / nx生成库时,如何为它添加服务?
ng generate lib foo-lib
我想知道的是生成服务“ foo”的命令,以便它位于foo-lib库中。
我正在尝试使用angular的新httpclient从api获取数据,我得到错误属性在IMessage []类型上不存在。如何为以下响应编写接口,
{"data":{"Messages":[{"Id":28,"MessageContent":"test data tsn","FromUserId":"74df8f98-2925-4242-8d32-8b09f3691396","UserName":"365@test.com","ToUserId":"96b1c943-ade0-4026-b8ed-0f4a6231e586","ProductId":null,"ParentMessageId":null,"Subject":"Test Message by Dev Team","StyleNumber":null}],"Pagination":{"Page":1,"PageLength":20,"TotalRecords":20,"TotalPages":1},"MessageLimit":{"TotalMessageCount":5,"RemainingMessageCount":3}}}
Run Code Online (Sandbox Code Playgroud)
我在这里尝试过的
export interface IMessage {
data: {
Messages: Messages[];
};
}
interface Messages {
id: number;
messageContent: string;
fromUserId: string;
toUserId: string;
productId?: number;
parentMessageId?: number;
subject: string;
styleNumber?: string;
}
Run Code Online (Sandbox Code Playgroud)
我在stackblitz上的代码
// Here is the code
import { Component, Input, OnInit } from '@angular/core';
import { Observable } from 'rxjs/Observable';
import { IMessage } from './message.interface';
import { HttpClient, HttpResponse, HttpParams, HttpHeaders } from '@angular/common/http';
@Component({
selector: 'hello',
template: …Run Code Online (Sandbox Code Playgroud) DataService的
import { Injectable } from '@angular/core';
import { Http, RequestOptions, Headers } from "@angular/http";
import { environment } from "../../environments/environment";
import 'rxjs/add/operator/map';
@Injectable()
export class DataService {
public options: RequestOptions;
constructor(protected url: string, protected http: Http) {
}
getAll() {
return this.http.get(this.url, this.options)
.map(
response => response.json()
)
}
get(id: string) {
return this.http.get(this.url + '/' + id, this.options)
.map(response => {
return response;
})
}
create(resource) {
return this.http.post(this.url, resource, this.options)
.map(response => {
return response;
})
} …Run Code Online (Sandbox Code Playgroud) 我找到了一些模块的forRoot()方法的例子,如下所示:
export class CoreModule {
constructor(
@Optional()
@SkipSelf()
parentModule: CoreModule
) {
if (parentModule) {
throw new Error(
'CoreModule is already loaded. Import it in the AppModule only'
);
}
}
static forRoot(someParameters?:string[]): ModuleWithProviders {
return {
ngModule: CoreModule,
providers: [AnProvider1, AnProvider2]
};
}
Run Code Online (Sandbox Code Playgroud)
但是,如何将参数值传递给模块的任何声明的提供者?
在尝试使用我的应用程序时ng-build,我收到以下错误:
试图找到引导代码,但不能.指定静态可分析引导代码或将entryModule传递给plugins选项.
我指定的主文件.angular-cli.json非常简单:
import { NgModule } from '@angular/core';
import { LoginComponent } from './login.component';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'
import { HttpClientModule } from '@angular/common/http';
import { LoginService } from '../login.service'
@NgModule({
declarations: [
LoginComponent
],
imports: [
BrowserModule,
FormsModule,
HttpClientModule
],
providers: [LoginService],
bootstrap: [LoginComponent]
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
Run Code Online (Sandbox Code Playgroud)
ng --version 返回以下内容:
Angular CLI: 1.7.0
Node: 6.11.0
OS: …Run Code Online (Sandbox Code Playgroud) 切换到我的新电脑,它有更新的节点版本等.我尝试建立我的角度项目设置与角度cli时出现以下错误:
开始:
10%构建模块2/2模块0活动(节点:14472)DeprecationWarning:不推荐使用Tapable.plugin.
.hooks而是使用新的API
后来:
错误:Chunk.parents:改为使用ChunkGroup.getParents()
在谷歌中没有找到任何关于此错误的结果
packageconfig:
{
"name": "...",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"build": "webpack",
"build-css": "node build-sass.js",
"test": "karma start ./karma.conf.js",
"lint": "ng lint",
"e2e": "protractor ./protractor.conf.js",
"pree2e": "webdriver-manager update --standalone false --gecko false --quiet"
},
"private": true,
"dependencies": {
"@angular/animations": "^5.2.0",
"@angular/common": "^5.2.0",
"@angular/compiler": "^5.2.0",
"@angular/core": "^5.2.0",
"@angular/forms": "^5.2.0",
"@angular/http": "^5.2.0",
"@angular/platform-browser": "^5.2.0",
"@angular/platform-browser-dynamic": "^5.2.0",
"@angular/router": "^5.2.0",
"core-js": "^2.4.1",
"rxjs": "^5.5.6",
"zone.js": "^0.8.19"
},
"devDependencies": {
"@angular-devkit/core": "0.3.1", …Run Code Online (Sandbox Code Playgroud) 我有一个Angular CLI应用程序。
在应用程序中,我有一个地图(在右侧)和左侧面板(显示有关路线的当前信息)。如果我单击地图,则openlayers将找到最近的要素,并将我重定向到/ map / routeID / detail。一切都像魅力一样工作(在详细信息组件的TS上,我从API加载数据,并且一切正常)。问题是...如果我单击到另一个地方(在其他路线附近),则URL更改(因此,我已重定向到另一个路线详细信息)。但是这些信息是古老的(来自另一条路线)。我正在NgOnInit中进行加载,我尝试打印控制台字符串,但是当我的路由从Fox示例/ map / 1 / detail更改为/ map / 2 / detail时,我发现NgOnInit没有被调用。
我该如何处理?例如,如果路由更改,则再次触发NgOnInit或类似的操作。
If someone wants to down vote then also add the reason
Run Code Online (Sandbox Code Playgroud)
我在配置中缺少什么吗?请提前建议谢谢
Versions
Angular CLI: 1.7.0
Node: 8.1.1
OS: win32 x64
Angular: 5.2.5
... common, compiler, compiler-cli, core, forms, http
... language-service, platform-browser, platform-browser-dynamic
... router
@angular/animations: 5.2.9
@angular/cdk: 5.2.4
@angular/cli: 1.7.0
@angular/material: 5.2.4
@angular-devkit/build-optimizer: 0.3.1
@angular-devkit/core: 0.3.1
@angular-devkit/schematics: 0.3.1
@ngtools/json-schema: 1.2.0
@ngtools/webpack: 1.10.0
@schematics/angular: 0.3.1
@schematics/package-update: 0.3.1
typescript: 2.5.3
webpack-bundle-analyzer: 2.11.1
webpack: 3.11.0
Run Code Online (Sandbox Code Playgroud)
步骤1使用新的任意名称创建新项目。步骤2按照https://material.angular.io/guide/getting-started上的步骤操作, 即
npm install --save @angular/material @angular/cdk
npm install --save @angular/animations
Run Code Online (Sandbox Code Playgroud)
第三步 …
在Angular的网站上,我读到默认编译是JIT:
https://angular.io/guide/aot-compiler
我想当它在官方Angular网站上时,它必须是JIT,但在许多其他页面上,我读到AOT是Angular 5中的默认编译.
这让我有点困惑.在这个问题中,它还说AOT是默认值:AOT编译是否为angular@4.0.0的默认值?
现在怎么样?
您好,我刚刚使用简单的方法从CLI创建了一个新项目
ng new frontend
Run Code Online (Sandbox Code Playgroud)
命令,但是一旦进入项目,我将执行以下操作:
cd frontend/src/app
Run Code Online (Sandbox Code Playgroud)
并尝试生成一个像这样的新组件
ng generate component about
Run Code Online (Sandbox Code Playgroud)
我在终端机(MacOS)中收到以下错误消息:找不到NgModule。使用跳过导入选项可跳过NgModule中的导入。
我已经全局安装了Angular 2,并且在运行时
ng --version
Run Code Online (Sandbox Code Playgroud)
我收到以下信息:
Angular CLI: 6.0.0
Node: 8.11.1
OS: darwin x64
Angular:
...
Package Version
------------------------------------------------------
@angular-devkit/architect 0.6.0
@angular-devkit/core 0.6.0
@angular-devkit/schematics 0.6.0
@schematics/angular 0.6.0
@schematics/update 0.6.0
rxjs 6.1.0
typescript 2.7.2
Run Code Online (Sandbox Code Playgroud)
我的内心Angular.json有:
{
"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
"version": 1,
"newProjectRoot": "projects",
"projects": {
"frontend": {
"root": "",
"sourceRoot": "src",
"projectType": "application",
"prefix": "app",
"schematics": {},
"architect": {
"build": {
"builder": "@angular-devkit/build-angular:browser",
"options": {
"outputPath": "dist/frontend",
"index": …Run Code Online (Sandbox Code Playgroud) angular-cli ×10
angular ×8
typescript ×2
angular-aot ×1
build ×1
javascript ×1
jit ×1
macos ×1
ng-build ×1
node.js ×1
npm ×1
nrwl ×1
service ×1
terminal ×1
webpack ×1