您好，我对 angular-in-memory-web-api 有疑问。我尝试在 SystemJS 中使用 angular2-in-memory-web-api 和她的另一个解决方案，但没有结果。我正在使用官方快速入门模板。 谢谢你的帮助
错误列表
zone.js:1382 GET http://localhost:3000/traceur 404 (Not Found)
dashboard:19 Error: (SystemJS) XHR error (404 Not Found) loading
http://localhost:3000/traceur
Error: XHR error (404 Not Found) loading http://localhost:3000/traceur
at XMLHttpRequest.wrapFn [as _onreadystatechange] (http://localhost:3000/node_modules/zone.js/dist/zone.js:698:29)
at ZoneDelegate.invokeTask (http://localhost:3000/node_modules/zone.js/dist/zone.js:265:35)
at Zone.runTask (http://localhost:3000/node_modules/zone.js/dist/zone.js:154:47)
at XMLHttpRequest.ZoneTask.invoke (http://localhost:3000/node_modules/zone.js/dist/zone.js:335:33)
Error loading http://localhost:3000/traceur
Unable to load transpiler to transpile http://localhost:3000/node_modules/angular-in-memory-web-api/in-memory-web-api.module.js
Error loading http://localhost:3000/node_modules/angular-in-memory-web-api/in-memory-web-api.module.js as "angular-in-memory-web-api/in-memory-web-api.module" from http://localhost:3000/app/app.module.js
at XMLHttpRequest.wrapFn [as _onreadystatechange] (http://localhost:3000/node_modules/zone.js/dist/zone.js:698:29)
at ZoneDelegate.invokeTask (http://localhost:3000/node_modules/zone.js/dist/zone.js:265:35)
at Zone.runTask (http://localhost:3000/node_modules/zone.js/dist/zone.js:154:47)
at XMLHttpRequest.ZoneTask.invoke (http://localhost:3000/node_modules/zone.js/dist/zone.js:335:33)
Error loading http://localhost:3000/traceur
Unable to load transpiler to transpile http://localhost:3000/node_modules/angular-in-memory-web-api/in-memory-web-api.module.js
Error loading http://localhost:3000/node_modules/angular-in-memory-web-api/in-memory-web-api.module.js as "angular-in-memory-web-api/in-memory-web-api.module" from http://localhost:3000/app/app.module.js
我的委托(delegate)
/**
* System configuration for Angular samples
* Adjust as necessary for your application needs.
*/
(function (global) {
System.config({
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
// map tells the System loader where to look for things
map: {
// our app is within the app folder
app: 'app',
// angular bundles
'@angular/core': 'npm:@angular/core/bundles/core.umd.js',
'@angular/common': 'npm:@angular/common/bundles/common.umd.js',
'@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.js',
'@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.js',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
'@angular/http': 'npm:@angular/http/bundles/http.umd.js',
'@angular/router': 'npm:@angular/router/bundles/router.umd.js',
'@angular/forms': 'npm:@angular/forms/bundles/forms.umd.js',
'@angular/upgrade': 'npm:@angular/upgrade/bundles/upgrade.umd.js',
// other libraries
'rxjs': 'npm:rxjs',
'angular-in-memory-web-api': 'npm:angular-in-memory-web-api',
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
app: {
main: './main.js',
defaultExtension: 'js'
},
rxjs: {
defaultExtension: 'js'
},
'angular-in-memory-web-api': {
main: './index.js',
defaultExtension: 'js'
}
}
});
})(this);
包.json
{
"name": "angular-quickstart",
"version": "1.0.0",
"description": "QuickStart package.json from the documentation, supplemented with testing support",
"scripts": {
"start": "tsc && concurrently \"tsc -w\" \"lite-server\" ",
"docker-build": "docker build -t ng2-quickstart .",
"docker": "npm run docker-build && docker run -it --rm -p 3000:3000 -p 3001:3001 ng2-quickstart",
"pree2e": "npm run webdriver:update",
"e2e": "tsc && concurrently \"http-server -s\" \"protractor protractor.config.js\" --kill-others --success first",
"lint": "tslint ./app/**/*.ts -t verbose",
"lite": "lite-server",
"postinstall": "typings install",
"test": "tsc && concurrently \"tsc -w\" \"karma start karma.conf.js\"",
"test-once": "tsc && karma start karma.conf.js --single-run",
"tsc": "tsc",
"tsc:w": "tsc -w",
"typings": "typings",
"webdriver:update": "webdriver-manager update"
},
"keywords": [],
"author": "",
"licenses": [
{
"type": "MIT",
"url": "https://github.com/angular/angular.io/blob/master/LICENSE"
}
],
"dependencies": {
"@angular/common": "~2.1.0",
"@angular/compiler": "~2.1.0",
"@angular/core": "~2.1.0",
"@angular/forms": "~2.1.0",
"@angular/http": "~2.1.0",
"@angular/platform-browser": "~2.1.0",
"@angular/platform-browser-dynamic": "~2.1.0",
"@angular/router": "~3.1.0",
"@angular/upgrade": "~2.1.0",
"angular2-in-memory-web-api": "~0.1.5",
"bootstrap": "^3.3.7",
"systemjs": "0.19.39",
"core-js": "^2.4.1",
"reflect-metadata": "^0.1.8",
"rxjs": "5.0.0-beta.12",
"zone.js": "^0.6.25"
},
"devDependencies": {
"concurrently": "^3.0.0",
"lite-server": "^2.2.2",
"typescript": "^2.0.3",
"typings": "^1.4.0",
"canonical-path": "0.0.2",
"http-server": "^0.9.0",
"tslint": "^3.15.1",
"lodash": "^4.16.2",
"jasmine-core": "~2.5.2",
"karma": "^1.3.0",
"karma-chrome-launcher": "^2.0.0",
"karma-cli": "^1.0.1",
"karma-htmlfile-reporter": "^0.3.4",
"karma-jasmine": "^1.0.2",
"karma-jasmine-html-reporter": "^0.2.2",
"protractor": "^3.3.0",
"rimraf": "^2.5.4"
},
"repository": {}
}
应用模块
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import {HttpModule} from "@angular/http";
import { AppRoutingModule } from './app-routing.module';
import { InMemoryWebApiModule } from 'angular-in-memory-web-api/in-memory-web-api.module';
import { InMemoryDataService } from './in-memory-data.service';
import { AppComponent } from './app.component';
import { DashboardComponent } from './dashboard.component';
import { HeroDetailComponent } from './hero-detail.component';
import { HeroesComponent } from './heroes.component';
import { HeroService } from './hero.service';
@NgModule({
imports: [
BrowserModule,
FormsModule,
HttpModule,
InMemoryWebApiModule.forRoot(InMemoryDataService),
AppRoutingModule
],
declarations: [
AppComponent,
DashboardComponent,
HeroDetailComponent,
HeroesComponent
],
providers: [ HeroService ],
bootstrap: [ AppComponent ]
})
export class AppModule { }
最佳答案
angular2-in-memory-web-api 的 0.1.13 版|进行了一些重大更改，教程似乎尚未更新。
根据变更日志:
In systemjs.config.js you should change the mapping to:
'angular-in-memory-web-api': 'npm:angular-in-memory-web-api/bundles/in-memory-web-api.umd.js'then delete from packages:
'angular-in-memory-web-api': {<br/> main: './index.js',<br/> defaultExtension: 'js'<br/> }
链接到chang https://github.com/angular/in-memory-web-api/blob/master/CHANGELOG.md#0113-2016-10-20
问题也已提交 https://github.com/angular/in-memory-web-api/issues/58
它说要更新app.module.ts通过改变
import { InMemoryWebApiModule } from 'angular-in-memory-web-api/in-memory-web-api.module';
到
import { InMemoryWebApiModule } from 'angular-in-memory-web-api';
关于javascript - Angular 2 + angular-in-memory-web-api 区域 GET http ://localhost:3000/traceur 404 (Not Found)，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/40179968/
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