File Upload With Progress Bar In Angular 13

WebSolutionStuff | Jun-11-2022 | Categories : Bootstrap Angular

In this article, we will see the file upload with a progress bar in angular 13. In this example, we will learn how to image upload with the progress bar in angular 13. we will create a simple reactive form with image upload. Also, create a PHP API for image upload. in API service we will write code for showing progress bar percentage code.

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Step 1: Create New App

In this step, we will create a new app using the below command.

ng new my-new-app

 

 

Step 2: Install Bootstrap 5

Now, we will install the bootstrap core package using the below command.

npm install bootstrap --save

Now, we need to include bootstrap CSS like node_modules/bootstrap/dist/css/bootstrap.min.css. So, add it to the angular.json file.

angular.json


"styles": [

"node_modules/bootstrap/dist/css/bootstrap.min.css",

"src/styles.css"

],

 

Step 3: Import Module

Now, we will import HttpClientModule, ReactiveFormsModule, and ImageUploadService to the app.module.ts file.

src/app/app.module.ts

import { NgModule } from "@angular/core";
import { BrowserModule } from "@angular/platform-browser";
import { FormsModule } from "@angular/forms";
import { HttpClientModule } from "@angular/common/http";

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

@NgModule({
  imports: [
    BrowserModule,
    FormsModule,
    HttpClientModule
  ],
  declarations: [AppComponent],
  bootstrap: [AppComponent]
})
export class AppModule {}

 

 

Step 4: Updated View File

In this step, we will update the HTML file.

src/app/app.component.html

<h2>File Upload With Progress Bar In Angular 13 - Websolutionstuff</h2>
<input type="file" (change)="upload($event.target.files[0])">

<div class="progress" *ngIf="progress">
	<div class="progress-bar" [style.width]="progress + '%'">{{progress}}%</div>
</div>

 

Step 5: Use Component ts File

Now, we need to update our component.ts file.

src/app/app.component.ts

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

import {
  HttpClient,
  HttpEventType,
  HttpErrorResponse
} from "@angular/common/http";

import { map, catchError } from "rxjs/operators";

import { throwError } from "rxjs";

@Component({
  selector: "my-app",
  templateUrl: "./app.component.html",
  styleUrls: ["./app.component.css"]
})
export class AppComponent {
  progress: number;

  constructor(private http: HttpClient) {}

  upload(file) {
    this.progress = 1;
    const formData = new FormData();
    formData.append("file", file);

    this.http
      .post("your-url-here", formData, {
        reportProgress: true,
        observe: "events"
      })
      .pipe(
        map((event: any) => {
          if (event.type == HttpEventType.UploadProgress) {
            this.progress = Math.round((100 / event.total) * event.loaded);
          } else if (event.type == HttpEventType.Response) {
            this.progress = null;
          }
        }),
        catchError((err: any) => {
          this.progress = null;
          alert(err.message);
          return throwError(err.message);
        })
      )
      .toPromise();
  }
}

 

 

Step 6: Run The Server

In last, we need to run the server using the below command.

ng serve

Now, Go to your web browser, type the given URL and view the app output.

http://localhost:4200

 

Output:

file_upload_with_progress_bar_in_angular_13_output

 


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