oss檔案上傳
阿新 • • 發佈：2020-06-30
官網API：https://help.aliyun.com/document_detail/32015.html?spm=5176.8466032.bucket-object.1.33ac1450TuX65y
1.獲取application.yml中的配置引數
# OSS相關配置資訊 aliyun: oss: endpoint: # oss對外服務的訪問域名 accessKeyId: # 訪問身份驗證中用到使用者標識 accessKeySecret: # 使用者用於加密簽名字串和oss用來驗證簽名字串的金鑰 bucketName: # oss的儲存空間 urlPrefix: policy: expire: 300 # 簽名有效期(S) maxSize: 10 # 上傳檔案大小(M) #callback: # 檔案上傳成功後的回撥地址
@Configuration
@Data
public class AliyunConfig {
@Value("${aliyun.oss.endpoint}")
private String endpoint;
@Value("${aliyun.oss.accessKeyId}")
private String accessKeyId;
@Value("${aliyun.oss.accessKeySecret}")
private String accessKeySecret;
@Value("${aliyun.oss.bucketName}")
2.上傳檔案返回結果集
@Data
public class FileUploadResult {
// 檔案唯一標識
private String uid;
3.錯誤資訊
public enum FileStateEnum {
GET_FILE_FAIL(-1, "獲取檔案流失敗"), GET_FILE_SUCCESS(1, "成功獲取檔案流ccc"),
NULL_FILE(-1, "上傳檔案為空"), MAX_SIZE_FILE(-1, "上傳圖片大小不能超過10M"),
UPLOAD_FILE_FAIL(-1, "上傳檔案失敗"), UPLOAD_FILE_SUCCESS(1, "上傳檔案成功"),
DELETE_FILE_FAIL(-1, "刪除檔案失敗");
private int state;
private String stateInfo;
FileStateEnum(int state, String stateInfo) {
this.state = state;
this.stateInfo = stateInfo;
}
public int getState() {
return state;
}
public void setState(int state) {
this.state = state;
}
public String getStateInfo() {
return stateInfo;
}
public void setStateInfo(String stateInfo) {
this.stateInfo = stateInfo;
}
}
4.controller
/**
* @author 糰子
* @desc
* @date 2019-07-31 11:31
*/
@Controller
@RequestMapping({"${adminPath}/cover"})
public class CoverFileUploadController {
@Autowired
private CoverFileUploadService coverFileUploadService;
/**
* @return FileUploadResult
* @author 糰子
* @desc 檔案上傳到oss
* @Param uploadFile
*/
@RequestMapping("file/upload")
@ResponseBody
public FileUploadResult upload(@RequestParam("file") MultipartFile uploadFile)
throws Exception {
return this.coverFileUploadService.upload(uploadFile);
}
/**
* @return FileUploadResult
* @desc 根據檔名刪除oss上的檔案
* @author 糰子
* @Param objectName
*/
@RequestMapping("file/delete")
@ResponseBody
public FileUploadResult delete(@RequestParam("fileName") String objectName)
throws Exception {
return this.coverFileUploadService.delete(objectName);
}
/**
* @return List<OSSObjectSummary>
* @author 糰子
* @desc 查詢oss上的所有檔案
* @Param
*/
@RequestMapping("file/list")
@ResponseBody
public List<OSSObjectSummary> list()
throws Exception {
return this.coverFileUploadService.list();
}
/**
* @return
* @author 糰子
* @desc 根據檔名下載oss上的檔案
* @Param objectName
*/
@RequestMapping("file/download")
@ResponseBody
public void download(@RequestParam("fileName") String objectName, HttpServletResponse response) throws IOException {
//通知瀏覽器以附件形式下載
response.setHeader("Content-Disposition",
"attachment;filename=" + new String(objectName.getBytes(), "ISO-8859-1"));
this.coverFileUploadService.exportOssFile(response.getOutputStream(), objectName);
}
}
5.service
@Service
public class CoverFileUploadService {
// 允許上傳的格式
private static final String[] IMAGE_TYPE = new String[]{".bmp", ".jpg",
".jpeg", ".gif", ".png"};
@Autowired
private OSS ossClient;
@Autowired
private AliyunConfig aliyunConfig;
/**
* @author 糰子
* @desc 檔案上傳
* @date 2019-07-31 11:31
*/
public FileUploadResult upload(MultipartFile uploadFile) {
// 校驗圖片格式
boolean isLegal = false;
for (String type : IMAGE_TYPE) {
if (StringUtils.endsWithIgnoreCase(uploadFile.getOriginalFilename(),
type)) {
isLegal = true;
break;
}
}
//封裝Result物件，並且將檔案的byte陣列放置到result物件中
FileUploadResult fileUploadResult = new FileUploadResult();
if (!isLegal) {
fileUploadResult.setStatus("error");
return fileUploadResult;
}
//檔案新路徑
String fileName = uploadFile.getOriginalFilename();
String filePath = getFilePath(fileName);
// 上傳到阿里雲
try {
ossClient.putObject(aliyunConfig.getBucketName(), filePath, new
ByteArrayInputStream(uploadFile.getBytes()));
} catch (Exception e) {
e.printStackTrace();
//上傳失敗
fileUploadResult.setStatus("error");
return fileUploadResult;
}
fileUploadResult.setStatus("done");
fileUploadResult.setResponse("success");
fileUploadResult.setName(this.aliyunConfig.getUrlPrefix() + filePath);
fileUploadResult.setUid(String.valueOf(System.currentTimeMillis()));
return fileUploadResult;
}
/**
* @author 糰子
* @desc 生成路徑以及檔名 例如：//images/2019/08/10/15564277465972939.jpg
* @date 2019-07-31 11:31
*/
private String getFilePath(String sourceFileName) {
LocalDate localDate = LocalDate.now();
return "images/" + localDate.getYear()
+ "/" + localDate.getMonth() + "/"
+ localDate.getDayOfMonth() + "/" + System.currentTimeMillis() +
RandomUtils.nextInt(100, 9999) + "." +
StringUtils.substringAfterLast(sourceFileName, ".");
}
/**
* @author 糰子
* @desc 檢視檔案列表
* @date 2019-07-31 11:31
*/
public List<OSSObjectSummary> list() {
// 設定最大個數。
final int maxKeys = 200;
// 列舉檔案。
ObjectListing objectListing = ossClient.listObjects(new ListObjectsRequest(aliyunConfig.getBucketName()).withMaxKeys(maxKeys));
List<OSSObjectSummary> sums = objectListing.getObjectSummaries();
return sums;
}
/**
* @author 糰子
* @desc 刪除檔案
* @date 2019-07-31 11:31
*/
public FileUploadResult delete(String objectName) {
// 根據BucketName,objectName刪除檔案
ossClient.deleteObject(aliyunConfig.getBucketName(), objectName);
FileUploadResult fileUploadResult = new FileUploadResult();
fileUploadResult.setName(objectName);
fileUploadResult.setStatus("removed");
fileUploadResult.setResponse("success");
return fileUploadResult;
}
/**
* @author 糰子
* @desc 下載檔案
* @date 2019-07-31 11:31
*/
public void exportOssFile(OutputStream os, String objectName) throws IOException {
// ossObject包含檔案所在的儲存空間名稱、檔名稱、檔案元資訊以及一個輸入流。
OSSObject ossObject = ossClient.getObject(aliyunConfig.getBucketName(), objectName);
// 讀取檔案內容。
BufferedInputStream in = new BufferedInputStream(ossObject.getObjectContent());
BufferedOutputStream out = new BufferedOutputStream(os);
byte[] buffer = new byte[1024];
int lenght = 0;
while ((lenght = in.read(buffer)) != -1) {
out.write(buffer, 0, lenght);
}
if (out != null) {
out.flush();
out.close();
}
if (in != null) {
in.close();
}
}
}