错误 TS2339：属性 'results' 在类型 'Response' 上不存在

Question

我遵循一段代码构建和应用程序，使用 angular2、typescript 和 firebase 从 last.fm 收集数据。

源代码可以在这里找到：https://github.com/vtts/mytunes

问题如何转换 json 调用的结果？

github

上的源代码

https://github.com/vtts/mytunes/blob/master/app/music/services/music.srv.ts

我收到以下错误：

app/music/services/music.service.ts(29,39): error TS2339: Property 'results' does not exist on type 'Response'. 
app/music/services/music.service.ts(51,36): error TS2339: Property 'album' does not exist on type 'Response'.

package.json

{
  "name": "mytunes",
  "version": "1.0.0",
  "scripts": {
    "start": "tsc && concurrently \"npm run tsc:w\" \"npm run lite\" ",
    "lite": "lite-server",
    "postinstall": "typings install",
    "tsc": "tsc",
    "tsc:w": "tsc -w",
    "typings": "typings"
  },
  "license": "ISC",
  "dependencies": {
    "angular2": "2.0.0-beta.15",
    "bootstrap": "^3.3.6",
    "es6-shim": "^0.35.0",
    "firebase": "^2.4.2",
    "reflect-metadata": "0.1.2",
    "rxjs": "5.0.0-beta.2",
    "systemjs": "0.19.26",
    "zone.js": "0.6.10"
  },
  "devDependencies": {
    "concurrently": "^2.0.0",
    "lite-server": "^2.2.0",
    "typescript": "^1.8.10",
    "typings": "^0.7.12"
  }
}

tsconfig.json

{
    "compilerOptions": {
        "target": "es5",
        "module": "system",
        "moduleResolution": "node",
        "sourceMap": true,
        "emitDecoratorMetadata": true,
        "experimentalDecorators": true,
        "removeComments": false,
        "noImplicitAny": false,
        "outDir": "js"
    },
    "exclude": [
        "node_modules",
        "typings/main",
        "typings/main.d.ts"
    ]
}

Last.fm 休息 API

我正在使用以下 REST APIs:

Answer 1

而不是重新使用类型为 Response

的变量 res

res = res.json();

新建一个

let result = res.json();

然后使用 result 代替 res

错误 TS2339：属性 'results' 在类型 'Response' 上不存在

error TS2339: Property 'results' does not exist on type 'Response'

json

firebase

angular

last.fm

typescript1.8

github

我收到以下错误：

package.json

tsconfig.json

Last.fm 休息 API