His.Institute

HIS .Institute

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0 . . Template
1 . Introduction.
1 1. . About Spring
1 2. . About Spring Boot
1 3. . Dev. Environment
1 4. . Hello World
1 5. . Summary
2 . Basic Database.
2 1. . MySql & Heidi
2 2. . JDBC
2 3. . MyBatis
2 4. . JPA
2 5. . Summary
3 . Basic Spring Security.
3 1. . About Spring Security
3 2. . Signup/Signin/Signout
3 3. . Security Information
3 4. . Fragment
3 5. . Summary
4 . Basic Project.
4 1. . Question & Answer
4 2. . Board & Reply
4 3. . Cart & Product
4 4. . Image Upload
4 5. . Summary
5 . Advanced Project.
5 1. . Admin
5 2. . Chat with Ajax
5 3. . Other Login - Korean
5 4. . Like & View Count
5 5. . Summary
6 . Expert Project.
6 1. . Map - Korean
6 2. . Mail - Korean
6 3. . SMS - Korean
6 4. . Credit Card - Korean
6 5. . Summary
7 . Frontend Project.
7 1. . HTML/CSS/JS
7 2. . Bootstrap
7 3. . Theme
7 4. . Etc
7 5. . Summary
8 . Mini Project.
8 1. . Storyboard
8 2. . Backend - Korean
8 3. . Frontend
8 4. . Portfolio
8 5. . Summary
9 . Deploy. Project.
9 1. . AWS
9 2. . Gabia
9 3. . Domain
9 4. . Etc
9 5. . Summary
A 1. Bug Repost.
Appendix 0. .

hw : Notice & Reply, Board & Reply + IMAGE

AWS Image Upload

Basic Configuration

build.gradle

	// aws s3
	implementation 'com.amazonaws:aws-java-sdk-s3:1.12.716'

application.properties

# aws
cloud.aws.s3.endpoint=https://hisinstitute.s3.ap-northeast-2.amazonaws.com

S3Config.java

package com.example.adminproject;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
@Configuration
public class S3Config {
	@Value("YOURS")
	private String awsAccessKey;
	
	@Value("YOURS")
	private String awsSecretKey;
	
	@Value("YOURS")
	private String region;
	
	@Bean
	public AmazonS3 s3client() {
		
		BasicAWSCredentials awsCreds = new BasicAWSCredentials(awsAccessKey,awsSecretKey);
		
		return AmazonS3ClientBuilder.standard()
				.withRegion(Regions.fromName(region))
				.withCredentials(new AWSStaticCredentialsProvider(awsCreds))
				.build();
	}
}

S3Service

package com.example.adminproject;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.model.PutObjectRequest;
@Service
public class S3Service {
	
	@Autowired
	private AmazonS3 amazonS3;
	@Value("YOURS")
	private String bucketName;
	
	public void uploadFile(MultipartFile multipartFile, String filename) throws IOException {
		File file = new File(multipartFile.getOriginalFilename());
		
		try (FileOutputStream fos = new FileOutputStream(file)){
			fos.write(multipartFile.getBytes());
		}
		amazonS3.putObject(new PutObjectRequest(bucketName, filename, file));
		
		file.delete();
	}
	
	
}

Create.html

<form class="mb-9" action="/product/create" method="post" enctype="multipart/form-data">

                 

<input name="image" type="file" />

Controller.java

	@PostMapping("/create")
	public String create(Product product,
			     @RequestParam("image") MultipartFile file
			) {
		
		productService.create(product, file);
		
		return "redirect:/product/readlist";
	}

Service.java

	@Override
	public void create(Product product, MultipartFile file) {
		
		UUID uuid = UUID.randomUUID();		
		String fileName = uuid + "_" + file.getOriginalFilename();
		
		try {
			s3Service.uploadFile(file, fileName);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		product.setPimg(fileName);
		product.setPdate(LocalDateTime.now());
		productRepository.save(product);
	}

View

		@Value("${cloud.aws.s3.endpoint}")
	private String path;

        @GetMapping("/readdetail/{pid}")
	public String readdetail(@PathVariable ("pid") Integer pid, Model model) {
		
		model.addAttribute("product", productService.readdetail(pid));                model.addAttribute("path", path);
		
		return "product/readdetail";
	}

readdetail.html

<img th:src="@{|${path}/${product.pimg}|}">

한국정보시스템개발원 |
Hankook Information System Institute

austiny@snu.ac.kr / austiny@gatech.edu

국립공주대학교

경북대학교

@Value("${cloud.aws.s3.endpoint}") private String path;

@Value("${cloud.aws.s3.endpoint}")
private String path;