如何在不使用离子框架的情况下使用angular 8中的cordova文件插件

npm install cordova-plugin-file cordova-plugin-file-transfer --save

<?xml version="1.0" encoding="UTF-8"?>
<widget id="your.app.id" version="1.0.0" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
    <name>Your App Name</name>
    <description>Your app description.</description>
    <author email="you@example.com" href="http://your-website.com">Your Name</author>
    <content src="index.html" />
    <access origin="*" />
    <platform name="android">
        <allow-intent href="market:*" />
    </platform>
</widget>

npx cordova platform add android

import { Injectable } from '@angular/core';

declare var cordova: any;

@Injectable({
  providedIn: 'root'
})
export class CordovaService {
  constructor() { }

  checkCordovaAvailability(): boolean {
    return !!window['cordova'];
  }

  downloadFile(url: string, filePath: string): Promise<any> {
    return new Promise((resolve, reject) => {
      if (this.checkCordovaAvailability()) {
        const fileTransfer = new cordova.plugins.FileTransfer();
        fileTransfer.download(url, filePath, resolve, reject);
      } else {
        reject('Cordova is not available.');
      }
    });
  }
}

import { Component } from '@angular/core';
import { CordovaService } from './cordova.service';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  constructor(private cordovaService: CordovaService) { }

  downloadFile() {
    const url = 'https://example.com/file.pdf';
    const filePath = 'path/to/save/file.pdf';

    this.cordovaService.downloadFile(url, filePath)
      .then(() => console.log('File downloaded successfully.'))
      .catch(error => console.error('File download failed:', error));
  }
}

npm install -g cordova