創建spring boot項目

pom依賴

 <dependency><groupId>com.aliyun.oss</groupId><artifactId>aliyun-sdk-oss</artifactId><version>3.17.4</version></dependency><dependency><groupId>javax.xml.bind</groupId><artifactId>jaxb-api</artifactId><version>2.3.1</version></dependency><dependency><groupId>javax.activation</groupId><artifactId>activation</artifactId><version>1.1.1</version></dependency><!-- no more than 2.3.3--><dependency><groupId>org.glassfish.jaxb</groupId><artifactId>jaxb-runtime</artifactId><version>2.3.3</version></dependency>

yaml配置文件

application.yaml

server:port: 8089
spring:profiles:active: dev
alioss:endpoint: ${alioss.endpoint}accessKeyId: ${alioss.accessKeyId}accessKeySecret: ${alioss.accessKeySecret}bucketName: ${alioss.bucketName}

application-dev.yaml

alioss:endpoint: oss-cn-beijing.aliyuncs.comaccessKeyId: 寫自己的keyIdaccessKeySecret: 寫自己的密鑰bucketName: 寫自己的bucketName

文件上傳工具類

package com.pkq.demo.utils;import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;import java.io.IOException;
import java.io.InputStream;
import java.util.UUID;/*** ClassName: AliOSSUtils* Package: com.pkq.demo.utils* Description:** @Author pkq* @Create 2024-07-05 15:09* @Version 1.0*/
@Component
@Slf4j
public class AliOSSUtils {@Value("${alioss.endpoint}")private String endpoint;@Value("${alioss.accessKeyId}")private String accessKeyId;@Value("${alioss.accessKeySecret}")private String accessKeySecret;@Value("${alioss.bucketName}")private String bucketName;/*** 實現上傳圖片到OSS*/public String upload(MultipartFile multipartFile) throws IOException {// 獲取上傳的文件的輸入流InputStream inputStream = multipartFile.getInputStream();// 避免文件覆蓋String originalFilename = multipartFile.getOriginalFilename();String fileName = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));//上傳文件到 OSSOSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);ossClient.putObject(bucketName, fileName, inputStream);//文件訪問路徑String url ="https://" + bucketName + "." + endpoint + "/" + fileName;// 關閉ossClientossClient.shutdown();return url;// 把上傳到oss的路徑返回}
}

通用返回結果類

package com.pkq.demo.result;import lombok.Data;
import lombok.NoArgsConstructor;/*** ClassName: Result* Package: com.pkq.demo.result* Description:** @Author pkq* @Create 2024-07-05 15:23* @Version 1.0*/
@Data
@NoArgsConstructor
public class Result<T> {private Integer code;private String message;private T data;public Result(T data) {this(200,null,data);}public Result(int code, String message) {this(code,message,null);}public Result(int code, String message,T data) {this.code = code;this.message = message;this.data = data;}public static <T> Result<T> success(T data) {return new Result<>(data);}public static <T> Result<T> fail(String message) {return new Result<>(500, message);}public static <T> Result<T> fail(int code, String message) {return new Result<>(code, message);}
}

文件上傳接口

package com.pkq.demo.controller;import com.pkq.demo.result.Result;
import com.pkq.demo.utils.AliOSSUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;import java.io.IOException;/*** ClassName: UploadController* Package: com.pkq.demo.controller* Description:** @Author pkq* @Create 2024-07-05 15:27* @Version 1.0*/
@Slf4j
@RestController
public class UploadController {@Autowiredprivate AliOSSUtils aliOSSUtils;@PostMapping("/upload")public Result<String> upload(MultipartFile image) throws IOException {//調用阿里云OSS工具類，將上傳上來的文件存入阿里云String url = aliOSSUtils.upload(image);//將圖片上傳完成后的url返回，用于瀏覽器回顯展示return Result.success(url);}}

測試