Angular 6 Client

In the tutorial, we show how to upload/download files from Angular 6 Client to MySQL with SpringBoot RestAPIs.

Technologies

Angular 6
Java 1.8
Spring Boot 2.0.3.RELEASE
Maven 3.3.9
Spring Tool Suite 3.9.0.RELEASE
MySQL

Overview

SpringBoot Server

We create a SpringBoot project as below:

angular-6-upload-download-files-springboot-mysql-springboot-structure

Using @Lob annotation and Spring JPA to save file’s data to MySQL.

@Entity
@Table(name="file_model")
public class FileModel {
	
	...
	
	@Lob
    @Column(name="pic")
    private byte[] pic;
	
	...
	
@Transactional
public interface FileRepository extends JpaRepository<FileModel, Long>{	
}

@Entity

@Table(name="file_model")

public class FileModel {

...

@Lob

@Column(name="pic")

private byte[] pic;

...

@Transactional

public interface FileRepository extends JpaRepository<FileModel, Long>{

}

-> MySQL records:

angular-6-upload-download-files-springboot-mysql-records

Project structure ->

angular-6-upload-download-files-springboot-mysql-angular-project-structure

upload-file.service provides methods: push File to Storage and get Files.
list-upload.component gets and displays list of Files.
form-upload.component helps upload File.
details-upload.component is detail for each item in list of Files.

angular-6-upload-download-files-springboot-mysql-overview

Practice

SpringBoot Server

Create SpringBoot project

We create a SpringBoot project with below dependencies:

spring-boot-starter-thymeleaf
spring-boot-starter-web
spring-boot-starter-data-jpa
mysql

-> Details:

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-web</artifactId>
</dependency>
 
<dependency>
	<groupId>mysql</groupId>
	<artifactId>mysql-connector-java</artifactId>
	<scope>runtime</scope>
</dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-data-jpa</artifactId>

</dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-thymeleaf</artifactId>

</dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-web</artifactId>

</dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

<scope>runtime</scope>

</dependency>

Data Model

– Create a View with @JsonView in ‘View.java’ file:

package com.javasampleapproach.multipartfile.model;
 
public class View {
	public interface FileInfo {}
}

package com.javasampleapproach.multipartfile.model;

public class View {

public interface FileInfo {}

}

– Create ‘FileModel.java’ file:

package com.javasampleapproach.multipartfile.model;
 
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Lob;
import javax.persistence.Table;
 
import com.fasterxml.jackson.annotation.JsonView;
 
@Entity
@Table(name="file_model")
public class FileModel {
	@Id
	@GeneratedValue
    @Column(name = "id")
	@JsonView(View.FileInfo.class)
    private Long id;
	
    @Column(name = "name")
    @JsonView(View.FileInfo.class)
	private String name;
    
    @Column(name = "mimetype")
	private String mimetype;
	
	@Lob
    @Column(name="pic")
    private byte[] pic;
	
	public FileModel(){}
	
	public FileModel(String name, String mimetype, byte[] pic){
		this.name = name;
		this.mimetype = mimetype;
		this.pic = pic;
	}
	
	public Long getId(){
		return this.id;
	}
	
	public void setId(Long id){
		this.id = id;
	}
	
	public String getName(){
		return this.name;
	}
	
	public void setName(String name){
		this.name = name;
	}
	
	public String getMimetype(){
		return this.mimetype;
	}
	
	public void setMimetype(String mimetype){
		this.mimetype = mimetype;
	}
	
	public byte[] getPic(){
		return this.pic;
	}
	
	public void setPic(byte[] pic){
		this.pic = pic;
	}
}

package com.javasampleapproach.multipartfile.model;

import javax.persistence.Column;

import javax.persistence.Entity;

import javax.persistence.GeneratedValue;

import javax.persistence.Id;

import javax.persistence.Lob;

import javax.persistence.Table;

import com.fasterxml.jackson.annotation.JsonView;

@Entity

@Table(name="file_model")

public class FileModel {

@Id

@GeneratedValue

@Column(name = "id")

@JsonView(View.FileInfo.class)

private Long id;

@Column(name = "name")

@JsonView(View.FileInfo.class)

private String name;

@Column(name = "mimetype")

private String mimetype;

@Lob

@Column(name="pic")

private byte[] pic;

public FileModel(){}

public FileModel(String name, String mimetype, byte[] pic){

this.name = name;

this.mimetype = mimetype;

this.pic = pic;

}

public Long getId(){

return this.id;

}

public void setId(Long id){

this.id = id;

}

public String getName(){

return this.name;

}

public void setName(String name){

this.name = name;

}

public String getMimetype(){

return this.mimetype;

}

public void setMimetype(String mimetype){

this.mimetype = mimetype;

}

public byte[] getPic(){

return this.pic;

}

public void setPic(byte[] pic){

this.pic = pic;

}

JPA Repository

Implement JPA repository in ‘FileRepository.java’ file:

package com.javasampleapproach.multipartfile.repository;
 
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.transaction.annotation.Transactional;
 
import com.javasampleapproach.multipartfile.model.FileModel;
 
@Transactional
public interface FileRepository extends JpaRepository<FileModel, Long>{	
}

package com.javasampleapproach.multipartfile.repository;

import org.springframework.data.jpa.repository.JpaRepository;

import org.springframework.transaction.annotation.Transactional;

import com.javasampleapproach.multipartfile.model.FileModel;

@Transactional

public interface FileRepository extends JpaRepository<FileModel, Long>{

}

– Configure @EnableTransactionManagement in main class ‘SpringBootUploadMultipartFile2MySqlApplication.java’:

package com.javasampleapproach.multipartfile;
 
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
 
@SpringBootApplication
public class SpringBootUploadMultipartFile2MySqlApplication {
 
	public static void main(String[] args) {
		SpringApplication.run(SpringBootUploadMultipartFile2MySqlApplication.class, args);
	}
}

package com.javasampleapproach.multipartfile;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication

public class SpringBootUploadMultipartFile2MySqlApplication {

public static void main(String[] args) {

SpringApplication.run(SpringBootUploadMultipartFile2MySqlApplication.class, args);

}

Upload/Download RestAPIs

– Implement upload-file RestAPI in ‘UploadFileController.java’ file:

package com.javasampleapproach.multipartfile.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import com.javasampleapproach.multipartfile.model.FileModel;
import com.javasampleapproach.multipartfile.repository.FileRepository;

@CrossOrigin(origins = "http://localhost:4200")
@RestController
public class UploadFileController {
	
	@Autowired
	FileRepository fileRepository;
 
    /*
     * MultipartFile Upload
     */
    @PostMapping("/api/file/upload")
    public String uploadMultipartFile(@RequestParam("file") MultipartFile file) {
    	try {
    		// save file to PostgreSQL
	    	FileModel filemode = new FileModel(file.getOriginalFilename(), file.getContentType(), file.getBytes());
	    	fileRepository.save(filemode);
	    	return "File uploaded successfully! -> filename = " + file.getOriginalFilename();
		} catch (	Exception e) {
			return "FAIL! Maybe You had uploaded the file before or the file's size > 500KB";
		}    
    }
}

package com.javasampleapproach.multipartfile.controller;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.web.bind.annotation.CrossOrigin;

import org.springframework.web.bind.annotation.PostMapping;

import org.springframework.web.bind.annotation.RequestParam;

import org.springframework.web.bind.annotation.RestController;

import org.springframework.web.multipart.MultipartFile;

import com.javasampleapproach.multipartfile.model.FileModel;

import com.javasampleapproach.multipartfile.repository.FileRepository;

@CrossOrigin(origins = "http://localhost:4200")

@RestController

public class UploadFileController {

@Autowired

FileRepository fileRepository;

* MultipartFile Upload

@PostMapping("/api/file/upload")

public String uploadMultipartFile(@RequestParam("file") MultipartFile file) {

try {

// save file to PostgreSQL

FileModel filemode = new FileModel(file.getOriginalFilename(), file.getContentType(), file.getBytes());

fileRepository.save(filemode);

return "File uploaded successfully! -> filename = " + file.getOriginalFilename();

} catch ( Exception e) {

return "FAIL! Maybe You had uploaded the file before or the file's size > 500KB";

}

– Implement download/retrieve files RestAPIs in ‘DownloadFileController.java’ file:

package com.javasampleapproach.multipartfile.controller;

import java.util.List;
import java.util.Optional;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

import com.fasterxml.jackson.annotation.JsonView;
import com.javasampleapproach.multipartfile.model.FileModel;
import com.javasampleapproach.multipartfile.model.View;
import com.javasampleapproach.multipartfile.repository.FileRepository;
 
@CrossOrigin(origins = "http://localhost:4200")
@RestController
public class DownloadFileController {
	
	@Autowired
	FileRepository fileRepository;

	/*
	 * List All Files
	 */
    @JsonView(View.FileInfo.class)
	@GetMapping("/api/file/all")
	public List<FileModel> getListFiles() {
		return fileRepository.findAll();
	}
	
    /*
     * Download Files
     */
	@GetMapping("/api/file/{id}")
	public ResponseEntity<byte[]> getFile(@PathVariable Long id) {
		Optional<FileModel> fileOptional = fileRepository.findById(id);
		
		if(fileOptional.isPresent()) {
			FileModel file = fileOptional.get();
			return ResponseEntity.ok()
					.header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + file.getName() + "\"")
					.body(file.getPic());	
		}
		
		return ResponseEntity.status(404).body(null);
	}
}

package com.javasampleapproach.multipartfile.controller;

import java.util.List;

import java.util.Optional;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.http.HttpHeaders;

import org.springframework.http.ResponseEntity;

import org.springframework.web.bind.annotation.CrossOrigin;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.PathVariable;

import org.springframework.web.bind.annotation.RestController;

import com.fasterxml.jackson.annotation.JsonView;

import com.javasampleapproach.multipartfile.model.FileModel;

import com.javasampleapproach.multipartfile.model.View;

import com.javasampleapproach.multipartfile.repository.FileRepository;

@CrossOrigin(origins = "http://localhost:4200")

@RestController

public class DownloadFileController {

@Autowired

FileRepository fileRepository;

* List All Files

@JsonView(View.FileInfo.class)

@GetMapping("/api/file/all")

public List<FileModel> getListFiles() {

return fileRepository.findAll();

}

* Download Files

@GetMapping("/api/file/{id}")

public ResponseEntity<byte[]> getFile(@PathVariable Long id) {

Optional<FileModel> fileOptional = fileRepository.findById(id);

if(fileOptional.isPresent()) {

FileModel file = fileOptional.get();

return ResponseEntity.ok()

.header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + file.getName() + "\"")

.body(file.getPic());

}

return ResponseEntity.status(404).body(null);

}

– Configure cross-origin for Angular-Client which running at port 4200 ->

@CrossOrigin(origins = "http://localhost:4200")

MySQL Connection

– Add setting in ‘application.properties’ file:

spring.datasource.url=jdbc:mysql://localhost:3306/testdb?useSSL=false
spring.datasource.username=root
spring.datasource.password=12345
spring.jpa.generate-ddl=true
spring.jpa.properties.hibernate.temp.use_jdbc_metadata_defaults=false
spring.jpa.hibernate.ddl-auto=create-drop

spring.datasource.url=jdbc:mysql://localhost:3306/testdb?useSSL=false

spring.datasource.username=root

spring.datasource.password=12345

spring.jpa.generate-ddl=true

spring.jpa.properties.hibernate.temp.use_jdbc_metadata_defaults=false

spring.jpa.hibernate.ddl-auto=create-drop

Angular 6 Client

Generate Service & Components

Run commands below:
– ng g s upload/UploadFile
– ng g c upload/FormUpload
– ng g c upload/ListUpload
– ng g c upload/DetailsUpload

On each Component selector, delete app- prefix, then change tslint.json rules – "component-selector" to false.

App Module

app.module.ts ->

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { HttpClientModule } from '@angular/common/http';
 
import { AppComponent } from './app.component';
import { DetailsUploadComponent } from './upload/details-upload/details-upload.component';
import { FormUploadComponent } from './upload/form-upload/form-upload.component';
import { ListUploadComponent } from './upload/list-upload/list-upload.component';
 
@NgModule({
  declarations: [
    AppComponent,
    DetailsUploadComponent,
    FormUploadComponent,
    ListUploadComponent
  ],
  imports: [
    BrowserModule,
    HttpClientModule
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

import { BrowserModule } from '@angular/platform-browser';

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

import { HttpClientModule } from '@angular/common/http';

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

import { DetailsUploadComponent } from './upload/details-upload/details-upload.component';

import { FormUploadComponent } from './upload/form-upload/form-upload.component';

import { ListUploadComponent } from './upload/list-upload/list-upload.component';

@NgModule({

declarations: [

AppComponent,

DetailsUploadComponent,

FormUploadComponent,

ListUploadComponent

imports: [

BrowserModule,

HttpClientModule

providers: [],

bootstrap: [AppComponent]

})

export class AppModule { }

Upload File Service

upload/upload-file.service.ts ->

import { Injectable } from '@angular/core';
import { HttpClient, HttpEvent, HttpRequest } from '@angular/common/http';
import { Observable } from 'rxjs';

@Injectable({
  providedIn: 'root'
})
export class UploadFileService {

  constructor(private http: HttpClient) { }

  pushFileToStorage(file: File): Observable<HttpEvent<{}>> {
    const formdata: FormData = new FormData();

    formdata.append('file', file);

    const req = new HttpRequest('POST', 'http://localhost:8080/api/file/upload', formdata, {
      reportProgress: true,
      responseType: 'text'
    });

    return this.http.request(req);
  }

  getFiles(): Observable<any> {
    return this.http.get('http://localhost:8080/api/file/all');
  }
}

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

import { HttpClient, HttpEvent, HttpRequest } from '@angular/common/http';

import { Observable } from 'rxjs';

@Injectable({

providedIn: 'root'

})

export class UploadFileService {

constructor(private http: HttpClient) { }

pushFileToStorage(file: File): Observable<HttpEvent<{}>> {

const formdata: FormData = new FormData();

formdata.append('file', file);

const req = new HttpRequest('POST', 'http://localhost:8080/api/file/upload', formdata, {

reportProgress: true,

responseType: 'text'

});

return this.http.request(req);

}

getFiles(): Observable<any> {

return this.http.get('http://localhost:8080/api/file/all');

}

Component for getting List of Files

upload/list-upload.component.ts ->

import { Component, OnInit } from '@angular/core';
import { Observable } from 'rxjs';
import { UploadFileService } from '../upload-file.service';

@Component({
  selector: 'list-upload',
  templateUrl: './list-upload.component.html',
  styleUrls: ['./list-upload.component.css']
})
export class ListUploadComponent implements OnInit {

  showFile = false;
  fileUploads: Observable<string[]>;

  constructor(private uploadService: UploadFileService) { }

  ngOnInit() {
  }

  showFiles(enable: boolean) {
    this.showFile = enable;

    if (enable) {
      this.fileUploads = this.uploadService.getFiles();
    }
  }
}

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

import { Observable } from 'rxjs';

import { UploadFileService } from '../upload-file.service';

@Component({

selector: 'list-upload',

templateUrl: './list-upload.component.html',

styleUrls: ['./list-upload.component.css']

})

export class ListUploadComponent implements OnInit {

showFile = false;

fileUploads: Observable<string[]>;

constructor(private uploadService: UploadFileService) { }

ngOnInit() {

}

showFiles(enable: boolean) {

this.showFile = enable;

if (enable) {

this.fileUploads = this.uploadService.getFiles();

}

upload/list-upload.component.html ->

<button class="button btn-info" *ngIf='showFile' (click)='showFiles(false)'>Hide Files</button>

<button class="button btn-info" *ngIf='!showFile' (click)='showFiles(true)'>Show Files</button>

<div [hidden]="!showFile">
  <div class="panel panel-primary">
    <div class="panel-heading">List of Files</div>
    <div *ngFor="let file of fileUploads | async">
      <div class="panel-body">
        <details-upload [fileUpload]='file'></details-upload>
      </div>
    </div>
  </div>
</div>

<button class="button btn-info" *ngIf='showFile' (click)='showFiles(false)'>Hide Files</button>

<button class="button btn-info" *ngIf='!showFile' (click)='showFiles(true)'>Show Files</button>

<div class="panel-heading">List of Files</div>

<details-upload [fileUpload]='file'></details-upload>

</div>

upload/details-upload.component.ts ->

import { Component, OnInit, Input } from '@angular/core';

@Component({
  selector: 'details-upload',
  templateUrl: './details-upload.component.html',
  styleUrls: ['./details-upload.component.css']
})
export class DetailsUploadComponent implements OnInit {

  @Input() fileUpload: string;

  constructor() { }

  ngOnInit() {
  }

}

import { Component, OnInit, Input } from '@angular/core';

@Component({

selector: 'details-upload',

templateUrl: './details-upload.component.html',

styleUrls: ['./details-upload.component.css']

})

export class DetailsUploadComponent implements OnInit {

@Input() fileUpload: string;

constructor() { }

ngOnInit() {

}

upload/details-upload.component.html ->

<a href="http://localhost:8080/api/file/{{fileUpload.id}}">{{fileUpload.name}}</a>

1	<a href="http://localhost:8080/api/file/{{fileUpload.id}}">{{fileUpload.name}}</a>

Component for uploading File

upload/form-upload.component.ts ->

import { Component, OnInit } from '@angular/core';
import { UploadFileService } from '../upload-file.service';
import { HttpResponse, HttpEventType } from '@angular/common/http';

@Component({
  selector: 'form-upload',
  templateUrl: './form-upload.component.html',
  styleUrls: ['./form-upload.component.css']
})
export class FormUploadComponent implements OnInit {

  selectedFiles: FileList;
  currentFileUpload: File;
  progress: { percentage: number } = { percentage: 0 };

  constructor(private uploadService: UploadFileService) { }

  ngOnInit() {
  }

  selectFile(event) {
    this.selectedFiles = event.target.files;
  }

  upload() {
    this.progress.percentage = 0;

    this.currentFileUpload = this.selectedFiles.item(0);
    this.uploadService.pushFileToStorage(this.currentFileUpload).subscribe(event => {
      if (event.type === HttpEventType.UploadProgress) {
        this.progress.percentage = Math.round(100 * event.loaded / event.total);
      } else if (event instanceof HttpResponse) {
        console.log('File is completely uploaded!');
      }
    });

    this.selectedFiles = undefined;
  }

}

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

import { UploadFileService } from '../upload-file.service';

import { HttpResponse, HttpEventType } from '@angular/common/http';

@Component({

selector: 'form-upload',

templateUrl: './form-upload.component.html',

styleUrls: ['./form-upload.component.css']

})

export class FormUploadComponent implements OnInit {

selectedFiles: FileList;

currentFileUpload: File;

progress: { percentage: number } = { percentage: 0 };

constructor(private uploadService: UploadFileService) { }

ngOnInit() {

}

selectFile(event) {

this.selectedFiles = event.target.files;

}

upload() {

this.progress.percentage = 0;

this.currentFileUpload = this.selectedFiles.item(0);

this.uploadService.pushFileToStorage(this.currentFileUpload).subscribe(event => {

if (event.type === HttpEventType.UploadProgress) {

this.progress.percentage = Math.round(100 * event.loaded / event.total);

} else if (event instanceof HttpResponse) {

console.log('File is completely uploaded!');

}

});

this.selectedFiles = undefined;

}

upload/form-upload.component.html ->

<div *ngIf="currentFileUpload" class="progress">
  <div class="progress-bar progress-bar-info progress-bar-striped" role="progressbar" attr.aria-valuenow="{{progress.percentage}}"
    aria-valuemin="0" aria-valuemax="100" [ngStyle]="{width:progress.percentage+'%'}">
    {{progress.percentage}}%</div>
</div>

<label class="btn btn-default">
  <input type="file" (change)="selectFile($event)">
</label>

<button class="btn btn-success" [disabled]="!selectedFiles" (click)="upload()">Upload</button>

<div class="progress-bar progress-bar-info progress-bar-striped" role="progressbar" attr.aria-valuenow="{{progress.percentage}}"

aria-valuemin="0" aria-valuemax="100" [ngStyle]="{width:progress.percentage+'%'}">

{{progress.percentage}}%</div>

</div>

</label>

<button class="btn btn-success" [disabled]="!selectedFiles" (click)="upload()">Upload</button>

App Component

app.component.ts ->

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

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  title = 'JavaSampleApproach';
  description = 'Angular-SpringBoot Demo';
}

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

@Component({

selector: 'app-root',

templateUrl: './app.component.html',

styleUrls: ['./app.component.css']

})

export class AppComponent {

title = 'JavaSampleApproach';

description = 'Angular-SpringBoot Demo';

}

app.component.html ->

<div class="container" style="width:400px">
  <div style="color: blue; margin-bottom: 20px">
    <h1>{{title}}</h1>
    <h3>{{description}}</h3>
  </div>

  <form-upload></form-upload>

  <br/>
  <br/>

  <list-upload></list-upload>
</div>

<h1>{{title}}</h1>

<h3>{{description}}</h3>

</div>

<form-upload></form-upload>

<br/>

<list-upload></list-upload>

</div>

Run & Check Results

Run SpringBoot Server (using mvn spring-boot:run) and Angular 6 Client App (using ng serve)
Then open Browser with url http://localhost:4200/.

-> Upload files and show list of Files:

angular-6-upload-download-files-springboot-mysql-upload-files

-> MySQL records:

angular-6-upload-download-files-springboot-mysql-records

-> Click to the links to download files:

angular-6-upload-download-files-springboot-mysql-results

SourceCode

By grokonez | July 5, 2018.

5 thoughts on “Angular 6 Client – Upload Files/Download Files to MySQL with SpringBoot RestAPIs example”

JOSÉ RIBAMAR FERREIRA JUNIOR says:
July 25, 2018 at 12:36 am
Is it to download an xls?
zeng.jian says:
August 20, 2018 at 2:25 am
where is the main class in the downloaded source code？
Bashar says:
November 9, 2018 at 6:55 pm
How would i display it?
NeoGeo says:
December 25, 2018 at 3:45 pm
You are amazing…
But I have one question, what if I just want post data object from formless form? Do I still need to use HttpEvent Observable? Can post post method and subscribe to it, from a component?
1. NeoGeo says:
  December 25, 2018 at 3:48 pm
  Hi I meant from a formly object, … typo error. My apologies.

Angular 6 Client – Upload Files/Download Files to MySQL with SpringBoot RestAPIs example

Technologies

Overview

SpringBoot Server

Angular 6 Client

Practice

SpringBoot Server

Create SpringBoot project

Data Model

JPA Repository

Upload/Download RestAPIs

MySQL Connection

Angular 6 Client

Generate Service & Components

App Module

Upload File Service

Component for getting List of Files

Component for uploading File

App Component

Run & Check Results

SourceCode

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5 thoughts on “Angular 6 Client – Upload Files/Download Files to MySQL with SpringBoot RestAPIs example”

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Technologies

Overview

SpringBoot Server

Angular 6 Client

Practice

SpringBoot Server

Create SpringBoot project

Data Model

JPA Repository

Upload/Download RestAPIs

MySQL Connection

Angular 6 Client

Generate Service & Components

App Module

Upload File Service

Component for getting List of Files

Component for uploading File

App Component

Run & Check Results

SourceCode

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5 thoughts on “Angular 6 Client – Upload Files/Download Files to MySQL with SpringBoot RestAPIs example”

Got Something To Say: Cancel reply