2.angular-cli.json更新引用路径 "apps": [ { "root": "src", "outDir": "dist", "scripts": [ "assets/xlsx/xlsx.full.min.js" ], } ], 3. *.component.ts引用 declare let XSX; @Component({ selector: 'app-addevent', templateUrl: './addevent.component.html', }) export class addeventComponent { ngOnInit() { } } 4. *.component.html引用 <input id="file" type="file" (change)="onSelectFile($event)" >