1、pom中添加阿里雲oss座標
<?xml version="1.0" encoding="utf-8"?> <dependencies> <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>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <scope>runtime</scope> <optional>true</optional> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <scope>runtime</scope> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.15</version> </dependency> <dependency> <groupId>commons-lang</groupId> <artifactId>commons-lang</artifactId> <version>2.6</version> </dependency> <!-- 阿里雲OSS --> <dependency> <groupId>com.aliyun.oss</groupId> <artifactId>aliyun-sdk-oss</artifactId> <version>3.10.2</version> </dependency> </dependencies>
2、定義阿里雲上傳(其他操作操作)結果實體
import lombok.Data; /** * 阿里雲上傳結果集 * * @author sunguoqiang * @create 2022-07-08 */ @Data public class AliyunOssResult { /** * code:200成功 * code: 400失敗 */ private int code; /** * 上傳成功的返回url */ private String url; /** * 提示信息 */ private String msg; }
3、yml設置阿里雲oss參數、上傳文件大小限制
aliyunOss: endpoint: "http://oss-cn-shanghai.aliyuncs.com" accessKeyId: "xxxxxxx" accessKeySecret: "xxxxxxx" bucketName: "xxxxxx" urlPrefix: "http://bucketName.oss-cn-shanghai.aliyuncs.com/" spring: servlet: multipart: max-file-size: 20MB max-request-size: 20MB
4、阿里雲oss操作工具類封裝
import com.aliyun.oss.OSS; import com.aliyun.oss.OSSClientBuilder; import com.aliyun.oss.model.DeleteObjectsRequest; import com.aliyun.oss.model.DeleteObjectsResult; import com.aliyun.oss.model.GeneratePresignedUrlRequest; import com.example.demo.entity.AliyunOssResult; import org.springframework.beans.factory.annotation.Value; import org.springframework.stereotype.Component; import java.io.InputStream; import java.net.URL; import java.util.Date; import java.util.List; @Component public class AliyunOSSUtil { @Value("${aliyunOss.endpoint}") private String endpoint; @Value("${aliyunOss.accessKeyId}") private String accessKeyId; @Value("${aliyunOss.accessKeySecret}") private String accessKeySecret; @Value("${aliyunOss.bucketName}") private String bucketName; @Value("${aliyunOss.urlPrefix}") private String urlPrefix; /** * 上傳文件,以IO流方式 * * @param inputStream 輸入流 * @param objectName 唯一objectName(在oss中的文件名字) */ public AliyunOssResult upload(InputStream inputStream, String objectName) { AliyunOssResult aliyunOssResult = new AliyunOssResult(); try { // 創建OSSClient實例。 OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret); // 上傳內容到指定的存儲空間(bucketName)並保存爲指定的文件名稱(objectName)。 ossClient.putObject(bucketName, objectName, inputStream); // 關閉OSSClient。 ossClient.shutdown(); aliyunOssResult.setCode(200); aliyunOssResult.setUrl(urlPrefix+objectName); aliyunOssResult.setMsg("上傳成功"); } catch (Exception e) { e.printStackTrace(); aliyunOssResult.setCode(400); aliyunOssResult.setMsg("上傳失敗"); } return aliyunOssResult; } /** * 刪除OSS中的單個文件 * * @param objectName 唯一objectName(在oss中的文件名字) */ public void delete(String objectName) { try { // 創建OSSClient實例。 OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret); // 刪除文件。 ossClient.deleteObject(bucketName, objectName); // 關閉OSSClient。 ossClient.shutdown(); } catch (Exception e) { e.printStackTrace(); } } /** * 批量刪除OSS中的文件 * * @param objectNames oss中文件名list */ public void delete(List<String> objectNames) { try { // 創建OSSClient實例。 OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret); // 批量刪除文件。 DeleteObjectsResult deleteObjectsResult = ossClient.deleteObjects(new DeleteObjectsRequest(bucketName).withKeys(objectNames)); List<String> deletedObjects = deleteObjectsResult.getDeletedObjects(); // 關閉OSSClient。 ossClient.shutdown(); } catch (Exception e) { e.printStackTrace(); } } /** * 獲取文件臨時url * * @param objectName oss中的文件名 * @param effectiveTime 有效時間(ms) */ public String getUrl(String objectName,long effectiveTime){ OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret); // 設置URL過期時間 Date expiration = new Date(new Date().getTime() + effectiveTime); GeneratePresignedUrlRequest generatePresignedUrlRequest ; generatePresignedUrlRequest =new GeneratePresignedUrlRequest(bucketName, objectName); generatePresignedUrlRequest.setExpiration(expiration); URL url = ossClient.generatePresignedUrl(generatePresignedUrlRequest); return url.toString(); } }
5、測試
import com.example.demo.util.AliyunOSSUtil; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.multipart.MultipartFile; import java.io.IOException; import java.util.UUID; @RestController @RequestMapping("/file") public class FileController { @Autowired private AliyunOSSUtil aliyunOSSUtil; @RequestMapping(value = "/uploadFile") public @ResponseBody Object uploadFile(@RequestParam(value = "file", required = false) MultipartFile file, String strPath) throws IOException { String suffix = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf(".") + 1); String objectName = strPath+"/"+ UUID.randomUUID().toString()+"."+suffix; return aliyunOSSUtil.upload(file.getInputStream(),objectName); } }