【发布时间】：2019-03-08 07:57:45
【问题描述】：
我正在尝试使用 ionic 3 获取设备信息，例如 uuid 型号等。我正在使用 https://ionicframework.com/docs/native/device/ 这个包来获取此信息，但出现以下错误。
我的代码：我已将本机设备导入我的应用程序 module.ts 并添加到提供程序。
App Module.ts
import { Device } from '@ionic-native/device';
providers: [
Device,
{provide: ErrorHandler, useClass: IonicErrorHandler}
]
我试图在哪里获取值。通过关注
import { Device } from '@ionic-native/device';
constructor(
public navCtrl: NavController,
public navParams: NavParams,
public alertCtrl: AlertController,
private authService: AuthService,
private platform: Platform,
private device: Device
){}
console.log('Device UUID is: ' + this.device.uuid);
Following Errors:
> ionic-app-scripts serve --address 0.0.0.0 --port 8101 --livereload-port 35730 --dev-logger-port 53703 --nobrowsertions that are not handled will terminate the Node.js process with a non-zero exit code.[app-scripts] [12:36:11] ionic-app-scripts 3.1.8[app-scripts] [12:36:11] watch started ...
[app-scripts] [12:36:11] build dev started ...[app-scripts] events.js:167[app-scripts] throw er; // Unhandled 'error' event
[app-scripts] ^
[app-scripts] Error: listen EADDRINUSE :::53703
[app-scripts] at Server.setupListenHandle [as _listen2] (net.js:1286:14)
[app-scripts] at listenInCluster (net.js:1334:12)
[app-scripts] at Server.listen (net.js:1421:7)
[app-scripts] at new WebSocketServer (D:\important\important\hbload\node_modules\ws\lib\WebSocketServer.js:77:20)
[app-scripts] at Object.createNotificationServer (D:\important\important\hbload\node_modules\@ionic\app-scripts\dist\dev-server\notification-server.js:66:15)
[app-scripts] at D:\important\important\hbload\node_modules\@ionic\app-scripts\dist\serve.js:47:31
[app-scripts] at process._tickCallback (internal/process/next_tick.js:68:7)
[app-scripts] at Function.Module.runMain (internal/modules/cjs/loader.js:745:11)
[app-scripts] at startup (internal/bootstrap/node.js:279:19)
[app-scripts] at bootstrapNodeJSCore (internal/bootstrap/node.js:696:3)
[app-scripts] Emitted 'error' event at:
[app-scripts] at Server.WebSocketServer._ultron.on (D:\important\important\hbload\node_modules\ws\lib\WebSocketServer.js:85:46)
[app-scripts] at Server.emit (events.js:182:13)
[app-scripts] at emitErrorNT (net.js:1313:8)
[app-scripts] at process._tickCallback (internal/process/next_tick.js:63:19)
[app-scripts] at Function.Module.runMain (internal/modules/cjs/loader.js:745:11)
[app-scripts] at startup (internal/bootstrap/node.js:279:19)
[app-scripts] at bootstrapNodeJSCore (internal/bootstrap/node.js:696:3)
[INFO] Looks like @ionic/app-scripts isn't installed in this project.
This package is required for this command to work properly.
? Install @ionic/app-scripts? Yes
> npm i -D -E @ionic/app-scripts
npm WARN deprecated browserslist@2.11.3: Browserslist 2 could fail on reading Browserslist >3.0 config used in other tools.
npm WARN deprecated hoek@2.16.3: The major version is no longer supported. Please update to 4.x or newer
npm WARN @ionic-native/android-permissions@4.14.0 requires a peer of @ionic-native/core@^4.11.0 but none is installed. You must install peer dependencies yourself.
npm WARN @ionic-native/android-permissions@4.14.0 requires a peer of rxjs@^5.5.11 but none is installed. You must install peer dependencies yourself.
npm WARN @ionic-native/device@4.15.0 requires a peer of @ionic-native/core@^4.11.0 but none is installed. You must install peer dependencies yourself.
npm WARN @ionic-native/device@4.15.0 requires a peer of rxjs@^5.5.11 but none is installed. You must install peer dependencies yourself.
npm WARN @ionic-native/uid@4.14.0 requires a peer of @ionic-native/core@^4.11.0 but none is installed. You must install peer dependencies yourself.
npm WARN @ionic-native/uid@4.14.0 requires a peer of rxjs@^5.5.11 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.4 (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.4: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})
+ @ionic/app-scripts@3.1.8
updated 1 package and audited 3918 packages in 21.49s
found 8 vulnerabilities (3 low, 5 moderate)
run `npm audit fix` to fix them, or `npm audit` for details
> ionic-app-scripts serve --address 0.0.0.0 --port 8101 --livereload-port 35730 --dev-logger-port 53703 --nobrowser
[app-scripts] [12:36:38] ionic-app-scripts 3.1.8
[app-scripts] [12:36:38] watch started ...
[app-scripts] [12:36:38] build dev started ...
[app-scripts] events.js:167
[app-scripts] throw er; // Unhandled 'error' event
[app-scripts] ^
[app-scripts] Error: listen EADDRINUSE :::53703
[app-scripts] at Server.setupListenHandle [as _listen2] (net.js:1286:14)
[app-scripts] at listenInCluster (net.js:1334:12)
[app-scripts] at Server.listen (net.js:1421:7)
[app-scripts] at new WebSocketServer (D:\important\important\hbload\node_modules\ws\lib\WebSocketServer.js:77:20)
[app-scripts] at Object.createNotificationServer (D:\important\important\hbload\node_modules\@ionic\app-scripts\dist\dev-server\notification-server.js:66:15)
[app-scripts] at D:\important\important\hbload\node_modules\@ionic\app-scripts\dist\serve.js:47:31
[app-scripts] at process._tickCallback (internal/process/next_tick.js:68:7)
[app-scripts] at Function.Module.runMain (internal/modules/cjs/loader.js:745:11)
[app-scripts] at startup (internal/bootstrap/node.js:279:19)
[app-scripts] at bootstrapNodeJSCore (internal/bootstrap/node.js:696:3)
[app-scripts] Emitted 'error' event at:
[app-scripts] at Server.WebSocketServer._ultron.on (D:\important\important\hbload\node_modules\ws\lib\WebSocketServer.js:85:46)
[app-scripts] at Server.emit (events.js:182:13)
[app-scripts] at emitErrorNT (net.js:1313:8)
[app-scripts] at process._tickCallback (internal/process/next_tick.js:63:19)
[app-scripts] at Function.Module.runMain (internal/modules/cjs/loader.js:745:11)
[app-scripts] at startup (internal/bootstrap/node.js:279:19)
[app-scripts] at bootstrapNodeJSCore (internal/bootstrap/node.js:696:3)
[ERROR] ionic-app-scripts command not found.
【问题讨论】：