即使安装了Angular-cli也没有安装问题

Question

这是我的包

"license": "MIT",
  "dependencies": {
    "@angular/animations": "^4.0.3",
    "@angular/common": "^4.0.3",
    "@angular/compiler": "~4.0.0",
    "@angular/core": "~4.0.0",
    "@angular/forms": "~4.0.0",
    "@angular/http": "~4.0.0",
    "@angular/material": "^2.0.0-beta.6",
    "@angular/platform-browser": "~4.0.0",
    "@angular/platform-browser-dynamic": "~4.0.0",
    "@angular/router": "~4.0.0",
    "@types/jquery": "^2.0.42",
    "angular-in-memory-web-api": "~0.3.0",
    "angular2-http-file-upload": "^1.0.6",
    "angular2-qrcode": "^2.0.1",
    "bootstrap": "^3.3.7",
    "core-js": "^2.4.1",
    "ng2-bootstrap": "1.3.0",
    "ng2-completer": "^1.5.2",
    "ng2-datetime": "^1.4.0",
    "ng2-file-upload": "^1.2.1",
    "ng2-qrcode-reader": "0.0.1",
    "ng2-webcam": "^1.2.4",
    "ngx-qrcode2": "0.0.3",
    "require": "^2.4.20",
    "rxjs": "5.0.1",
    "systemjs": "0.19.40",
    "traceur": "0.0.111",
    "zone.js": "^0.8.12"
  },
  "devDependencies": {
    "@angular/cli": "^1.2.3",
    "@types/jasmine": "2.5.36",
    "@types/node": "^6.0.46",
    "canonical-path": "0.0.2",
    "concurrently": "^3.2.0",
    "jasmine-core": "~2.4.1",
    "karma": "^1.3.0",
    "karma-chrome-launcher": "^2.0.0",
    "karma-cli": "^1.0.1",
    "karma-jasmine": "^1.0.2",
    "karma-jasmine-html-reporter": "^0.2.2",
    "lite-server": "^2.2.2",
    "lodash": "^4.16.4",
    "protractor": "~4.0.14",
    "rimraf": "^2.5.4",
    "tslint": "^3.15.1",
    "typescript": "~2.3.2"
  }

更新：我已经安装了python和node-gyp并显示了这个

参见屏幕截图我使用了2个命令，另一个命令不起作用

Answer 1

  

错误：Python可执行文件是v3.6.1，gyp

不支持

根据推荐的node-gyp python v2.7的documentation，不支持v3.x.x.只需尝试安装python版本2.7，然后安装gyp（请参阅github页面上的installation guide）。

或许这个命令对你也有帮助 npm install --python=python2.7

然后npm install -g node-gyp