Question

提前感谢您的帮助。我试图通过打字稿获取Angular 2中的本地存储访问。我正在使用npm包angular2-localstorage。我有angular.io“英雄之旅”的工作（没有太多的造型）。我按照https://www.npmjs.com/package/angular2-localstorage的说明进行操作。将建议的代码添加到我的app.module.ts文件后，我尝试使用npm start运行，并获得以下编译错误：

node_modules/angular2-localstorage/LocalStorageEmitter.ts(46,9): error TS2305: Module '"/Users/joshuaforman/Documents/CodeCraft/a2quickstart/a2-angular/node_modules/@angular/core/src/facade/lang"' has no exported member 'Type'.
node_modules/angular2-localstorage/LocalStorageEmitter.ts(47,9): error TS2305: Module '"/Users/joshuaforman/Documents/CodeCraft/a2quickstart/a2-angular/node_modules/@angular/core/src/di"' has no exported member 'provide'.

您可以在此处查看所有代码：https://github.com/joshuaforman/angular2-quickstart

此外，这里是完整的app.module.ts文件（我改变的唯一一个导致错误发生的文件）：

import { NgModule }       from "@angular/core";
import { BrowserModule }  from "@angular/platform-browser";
import { FormsModule }    from "@angular/forms";
import { HttpModule }    from "@angular/http";

// added for LocalStorage
// followed instructions here: https://www.npmjs.com/package/angular2-localstorage
import { LocalStorageService, LocalStorageSubscriber } from "angular2-localstorage/LocalStorageEmitter";

// Imports for loading & configuring the in-memory web api
import { InMemoryWebApiModule } from "angular2-in-memory-web-api";
import { InMemoryDataService }  from "./in-memory-data.service";

import { AppComponent }        from "./app.component";
import { HeroDetailComponent } from "./hero-detail.component";
import { HeroesComponent }     from "./heroes.component";
import { HeroService }         from "./hero.service";
import  { DashboardComponent } from "./dashboard.component";

import { routing } from "./app.routing";

@NgModule({
  imports: [
    BrowserModule,
    HttpModule,
    InMemoryWebApiModule.forRoot(InMemoryDataService),
    FormsModule,
    routing
  ],
  declarations: [
        AppComponent,
        HeroesComponent,
        HeroDetailComponent,
        DashboardComponent
  ],
  bootstrap:    [ AppComponent ],
  providers:    [
        HeroService,
        LocalStorageService // added for Local Storage
  ]
})
export class AppModule {
  // added for Local Storage
  constructor(storageService: LocalStorageService) {}
}

我对我添加的每一行都有一条评论，用于实现包含文本“LocalStorage”的本地存储。如果你注释掉这三行，编译和运行时工作正常。

此时，我只是希望能够成功编译。感谢。

注意：这是我在堆栈上的第一个问题。我过去在这里找到了很多答案，并且我已经尽力遵循惯例来提出这个问题。欢迎提出任何有关我应该采取不同举措的有效反馈。

Answer 1

不再维护Angular2-LocalStorage，你必须使用另一个库，直到这个库得到一个活跃的维护者。我推荐Angular2 Cool Storage

Answer 2

将此行替换为＆＃34; LocalStorageEmitter.ts＆＃34;来自node_modeule＆＃34; angular2-localstorage＆＃34;

import {Type} from "@angular/core/src/facade/lang";
import {provide} from "@angular/core/src/di";
import {ComponentRef} from "@angular/core";

export function LocalStorageSubscriber(appPromise: Promise<ComponentRef<any>>) {
    appPromise.then((bla) => {
        bla.injector.get(<Type>LocalStorageService);
    });
}

有了这个。

import {Type} from "@angular/core/src/type";
import {Provider} from "@angular/core/src/di";
import {ComponentRef} from "@angular/core";

export function LocalStorageSubscriber(appPromise: Promise<ComponentRef<any>>) {
    appPromise.then((bla) => {
        bla.injector.get(<Type<any>>LocalStorageService);
    });
}

它的作品对我来说......

了解更多详情=＆gt; https://github.com/marcj/angular2-localstorage/issues/66

Angular 2本地存储 - “没有导出成员”编译错误

2 个答案: