如何使用ngx-doc-viewer显示本地Excel电子表格

npm install ngx-doc-viewer --save
# 或者
yarn add ngx-doc-viewer

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { NgxDocViewerModule } from 'ngx-doc-viewer';

import { AppComponent } from './app.component';

@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
    NgxDocViewerModule.forRoot()
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

<ngx-doc-viewer [src]="'assets/path/to/your/excel-file.xlsx'"></ngx-doc-viewer>

<input type="file" (change)="onFileChange($event)" />
<ngx-doc-view|er *ngIf="fileBlobUrl" [src]="fileBlobUrl"></ngx-doc-viewer>

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

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  fileBlobUrl: string | null = null;

  onFileChange(event: any) {
    const file = event.target.files[0];
    if (file) {
      const reader = new FileReader();
      reader.onloadend = () => {
        this.fileBlobUrl = reader.result as string;
      };
      reader.readAsDataURL(file);
    }
  }
}