Angular 6 Image Upload with Validation Example

Today, We want to share with you Angular 6 Image Upload with Validation Example.In this post we will show you Angular 6 Multiple File Upload with Validation Example, hear for file extension validation in Angular 6 we will give you demo and example for implement.In this post, we will learn about Image Upload with Validation in Angular 6 with an example.

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Angular 6 Image Upload with Validation Example

There are the Following The simple About Angular 6 Image Upload with Validation Example Full Information With Example and source code.

As I will cover this Post with live Working example to develop Angular 6 file upload with Validation, so the some major files and Directory structures for this example is following below.

  • index.html

Angular 6 Example

Angular Latest My Previous Post With Source code Read more…..

  1. Angular 6 Folder Project Structure
  2. Angular 6 CLI Installation
  3. Angular 6 Module File
  4. Angular 6 Components
  5. Angular 6 Services
  6. Angular 6 Routing
  7. Angular 6 CSS
  8. Angular 6 Class Binding
  9. Angular 6 Animation
  10. Angular 6 Templating
  11. Angular 6 HTTP Client

Image Upload with Validation in Angular 6

member-form/member-form.component.ts

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

import { Member } from '../member';

@Component({
selector: 'app-member-form',
templateUrl: './member-form.component.html',
styleUrls: ['./member-form.component.css']
})
export class MemberFormComponent {

qualifications = ['Jaydeep Gondaliya', 'Krunal sisodariya',
'Ankit Shah', 'Jigar Shah'];

model = new Member(18, 'Dr IQ', this.qualifications[0], 'Chuck Overstreet');

submitted = false;

onSubmit() { this.submitted = true; }

newMember() {
this.model = new Member(42, '', '');
}
}

member-form/member-form.component.html

Simple Member Form Angular 6 Image Upload with Validation Example

<div class="container">
<div>
<h1>Member Form</h1>
<form>
<div class="form-group"><label for="name">Name</label>
<div class="alert alert-danger">Name is required</div>
</div>
<div class="form-group"><label for="status">Status</label></div>
<div class="form-group"><label for="qualification">Member Qualification</label>{{pow}}
<div class="alert alert-danger">Qualification is required</div>
</div>
<button class="btn btn-success" type="submit">Submit</button>
<button class="btn btn-default" type="button">New Member</button>

</form></div>
<div>
<h2>You Angular 6 submitted the following:</h2>
<div class="row">
<div class="col-xs-3">Name</div>
<div class="col-xs-9 pull-left">{{ model.name }}</div>
</div>
<div class="row">
<div class="col-xs-3">Status</div>
<div class="col-xs-9 pull-left">{{ model.status }}</div>
</div>
<div class="row">
<div class="col-xs-3">Qualification</div>
<div class="col-xs-9 pull-left">{{ model.qualification }}</div>
</div>
<button class="btn btn-primary">Edit</button>

</div>
</div>

member.ts

export class Member {

constructor(
public id: number,
public name: string,
public qualification: string,
public status?: string
) { }

}

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';

import { AppComponent } from './app.component';
import { MemberFormComponent } from './member-form/member-form.component';

//Angular 6 validate file input
@NgModule({
imports: [
BrowserModule,
FormsModule
],
declarations: [
AppComponent,
MemberFormComponent
],
providers: [],
bootstrap: [ AppComponent ]
})
export class AppModule { }

app.component.html

app.component.ts

//Angular 6 validate file input import
import { Component } from '@angular/core';

Angular 6 validate file input Component
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css']
})
export class AppComponent { }

main.ts

import { enableProdMode } from '@angular/core';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';

import { AppModule } from './app/app.module';
import { environment } from './environments/environment';

if (environment.production) {
enableProdMode();
}

platformBrowserDynamic().bootstrapModule(AppModule);

forms.css

.ng-valid[required], .ng-valid.required {
border-left: 6px solid #c60000;
}

.ng-invalid:not(form) {
border-left: 6px solid #a94442;
}

Angular 6 Image Upload with Validation Example

Component

Example Angular 6 – File Uploads with Angular Reactive Forms

@Component({
template: `

<form><button type="submit">Submit</button>

</form>`
})
export class MemberComponent {

memberGroup = this.fb.group({
file: [null, Validators.required]
});

constructor(private fb: FormBuilder) {}

}

File Uploads with Angular Reactive Forms

//Angular 6 Image Upload with Validation Example Input

JS part

uploadImageFile Events

uploadImageFile(event) {
let fileimgmain = new FileReader();

if(event.target.files && event.target.files.length) {
const [file] = event.target.files;
fileimgmain.readAsDataURL(file);

fileimgmain.onload = () => {
this.memberGroup.patchValue({
file: fileimgmain.result
});

this.cd.markForCheck();
};
}
}

Angular 6 Component

@Component({
template: `

<form><button type="submit">Submit</button>

</form>`
})
export class MemberComponent {

memberGroup = this.fb.group({
file: [null, Validators.required]
});

constructor(private fb: FormBuilder, private cd: ChangeDetectorRef) {}

uploadImageFile(event) {
const fileimgmain = new FileReader();

if(event.target.files && event.target.files.length) {
const [file] = event.target.files;
fileimgmain.readAsDataURL(file);

fileimgmain.onload = () => {
this.memberGroup.patchValue({
file: fileimgmain.result
});
this.cd.markForCheck();
};
}
}

}

Angular 6 File upload validation before the file uploads
Angular 6 CRUD Operations Application Tutorials

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