How to Export Data In Excel Sheet Using Angular 12

Angular 12 export data excel sheet format; In this tutorial, i am going to show you how to export excel sheet file in angular 12 app using primeng library.

To export is the steps of taking data from one program or computer to another. Exporting can be used as a method of backing up important data or moving data between two different versions of programs.

Angular 12 Export Data to Excel Tutorial with Example

• Step 1 – Create New Angular App
• Step 2 – Install bootstrap and primeng Library
• Step 3 – Import Modules on App.Module.ts File
• Step 4 – Add Code on View File
• Step 5 – Add Code On app.Component ts File
• Step 6 – Start the Angular App

Step 1 – Create New Angular App

Execute the following command on terminal to install angular app:

ng new my-new-app

Step 2 – Install bootstrap and primeng Library

Execute the following command on terminal to install NPM package called ng-bootstrap/ng-bootstrap for implement bootstrap carousel in angular:

npm install jquery --save
ng add @ng-bootstrap/ng-bootstrap
npm install primeng --save 
npm install primeicons --save  
npm install @angular/cdk --save 
npm i file-saver npm i xlsx 
npm install primeflex --save

Step 3 – Import Modules on App.Module.ts File

Import modules; Go to src/app directory and open app.module.ts file. And then add the following lines of into app.module.ts file:

...
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { TableModule } from 'primeng/table';
import { DropdownModule } from 'primeng/dropdown';
import { ButtonModule } from 'primeng/button';
@NgModule({
 ...
  imports: [
   ...
    BrowserAnimationsModule,
    TableModule,
    DropdownModule,
    ButtonModule
  ],
  ...

Step 4 – Add Code on View File

Create bootstrap carousel in angular app. So, visit src/app/ and app.component.html and update the following code into it:

<p-table [value]="sales">
    <ng-template pTemplate="caption">
        <div class="p-d-flex">
           
            <button type="button" pButton pRipple icon="pi pi-file-excel" (click)="exportExcel()" class="p-button-success p-mr-2"></button>
           
        </div>
    </ng-template>
    <ng-template pTemplate="header">
        <tr>
            
            <th pSortableColumn="brand">Brand <p-sortIcon field="brand"></p-sortIcon></th>
            <th>Last Year Sale</th>
            <th>This Year Sale</th>
            <th>Last Year Profit</th>
            <th>This Year Profit</th>
        </tr>
        
    </ng-template>
    <ng-template pTemplate="body" let-sale>
        <tr>
            <td>{{sale.brand}}</td>
            <td>{{sale.lastYearSale}}</td>
            <td>{{sale.thisYearSale}}</td>
            <td>{{sale.lastYearProfit}}</td>
            <td>{{sale.thisYearProfit}}</td>
        </tr>
    </ng-template>
</p-table>

Step 5 – Add Code On app.Component ts File

Go to src/app directory and open app.component.ts. Then add the following code into component.ts file:

...
export class AppComponent {
 ...
  ngOnInit() {
    this.sales = [
      { brand: 'Apple', lastYearSale: '51%', thisYearSale: '40%', lastYearProfit: '$54,406.00', thisYearProfit: '$43,342' },
      { brand: 'Samsung', lastYearSale: '83%', thisYearSale: '96%', lastYearProfit: '$423,132', thisYearProfit: '$312,122' },
      { brand: 'Microsoft', lastYearSale: '38%', thisYearSale: '5%', lastYearProfit: '$12,321', thisYearProfit: '$8,500' },
      { brand: 'Philips', lastYearSale: '49%', thisYearSale: '22%', lastYearProfit: '$745,232', thisYearProfit: '$650,323,' },
      { brand: 'Song', lastYearSale: '17%', thisYearSale: '79%', lastYearProfit: '$643,242', thisYearProfit: '500,332' },
      { brand: 'LG', lastYearSale: '52%', thisYearSale: ' 65%', lastYearProfit: '$421,132', thisYearProfit: '$150,005' },
      { brand: 'Sharp', lastYearSale: '82%', thisYearSale: '12%', lastYearProfit: '$131,211', thisYearProfit: '$100,214' },
      { brand: 'Panasonic', lastYearSale: '44%', thisYearSale: '45%', lastYearProfit: '$66,442', thisYearProfit: '$53,322' },
      { brand: 'HTC', lastYearSale: '90%', thisYearSale: '56%', lastYearProfit: '$765,442', thisYearProfit: '$296,232' },
      { brand: 'Toshiba', lastYearSale: '75%', thisYearSale: '54%', lastYearProfit: '$21,212', thisYearProfit: '$12,533' }
  ];
  
}
//excel button click functionality
exportExcel() {
  import("xlsx").then(xlsx => {
      const worksheet = xlsx.utils.json_to_sheet(this.sales); // Sale Data
      const workbook = { Sheets: { 'data': worksheet }, SheetNames: ['data'] };
      const excelBuffer: any = xlsx.write(workbook, { bookType: 'xlsx', type: 'array' });
      this.saveAsExcelFile(excelBuffer, "sales");
  });
}
saveAsExcelFile(buffer: any, fileName: string): void {
  import("file-saver").then(FileSaver => {
    let EXCEL_TYPE =
      "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8";
    let EXCEL_EXTENSION = ".xlsx";
    const data: Blob = new Blob([buffer], {
      type: EXCEL_TYPE
    });
    FileSaver.saveAs(
      data,
      fileName + "_export_" + new Date().getTime() + EXCEL_EXTENSION
    );
  });
}
}

Step 6 – Start the Angular App

Execute the following command on terminal to start app:

ng serve

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