我将我的角度项目和所有依赖项更新到最新版本.我没有遇到太多麻烦,我解决了大多数依赖问题,但我仍然坚持使用RxJS.这是我的package.json：

  "dependencies": {
    "@angular-devkit/build-angular": "^0.6.0",
    "@angular/animations": "^6.0.0",
    "@angular/common": "^6.0.0",
    "@angular/compiler": "^6.0.0",
    "@angular/core": "^6.0.0",
    "@angular/forms": "^6.0.0",
    "@angular/http": "^6.0.0",
    "@angular/platform-browser": "^6.0.0",
    "@angular/platform-browser-dynamic": "^6.0.0",
    "@angular/router": "^6.0.0",
    "angular-bootstrap-md": "^6.0.1",
    "core-js": "^2.5.5",
    "font-awesome": "^4.7.0",
    "rxjs": "^6.1.0",
    "zone.js": "^0.8.26"
  },
  "devDependencies": {
    "@angular/cli": "~6.0.0",
    "@angular/compiler-cli": "^6.0.0",
    "@angular/language-service": "6.0.0",
    "@types/jasmine": "~2.8.3",
    "@types/jasminewd2": "~2.0.3",
    "@types/node": "~6.0.60",
    "codelyzer": "^4.0.1",
    "electron": "^1.8.3",
    "jasmine-core": "~2.8.0",
    "jasmine-spec-reporter": "~4.2.1",
    "karma": "~2.0.2",
    "karma-chrome-launcher": "~2.2.0",
    "karma-coverage-istanbul-reporter": "^1.4.2",
    "karma-jasmine": "~1.1.2",
    "karma-jasmine-html-reporter": "^1.0.0",
    "protractor": "~5.3.1",
    "ts-node": "~6.0.2",
    "tslint": "~5.10.0",
    "typescript": "~2.7.2"

我只从RxJS导入两个模块：

import { fromPromise } from 'rxjs/observable/fromPromise';
import { Subscription } from 'rxjs/Subscription';

他们都给出了同样的错误：

    [ts] Module '"***/node_modules/rxjs/Subscription"' has no exported
 member 'Subscription'.

对于fromPromise来说,情况完全相同.这是我从Subscribtion.d.ts获得的错误消息(我没有以任何方式修改代码)

更新：

下面的答案解决了Subscription的问题,但即使正确导出,fromPromise仍然会出现同样的问题：

从’rxjs-compat / observable / fromPromise’导出*;

解决方法:

RxJS 6有很多重大变化.例如,原型方法为

myObservable.map(data => data * 2)

将不再工作,必须替换为

myObservable.pipe(map(data => data * 2))

所有细节都可以在这里找到：https://github.com/ReactiveX/rxjs/blob/master/docs_app/content/guide/v6/migration.md

在修复所有重大更改之前,您可以使用rxjs-compat(https://github.com/ReactiveX/rxjs/tree/master/compat)重新使用旧代码.

This package is required to get backwards compatibility with RxJS
previous to version 6. It contains the imports to add operators to
Observable.prototype and creation methods to Observable.

输入以安装它：

npm install -s rxjs-compat