版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/yhflyl/article/details/86406641
依赖
<!-- httpclient -->
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.4</version>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpcore</artifactId>
<version>4.4</version>
</dependency>
<!-- 阿里对象存储 -->
<dependency>
<groupId>com.aliyun.oss</groupId>
<artifactId>aliyun-sdk-oss</artifactId>
<version>2.8.3</version>
</dependency>
OSS工具类
import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSSClient;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.DeleteObjectsRequest;
import com.aliyun.oss.model.DeleteObjectsResult;
import com.aliyun.oss.model.ObjectMetadata;
import com.aliyun.oss.model.PutObjectResult;
import com.fasterxml.jackson.annotation.JsonValue;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.time.DateUtils;
import org.springframework.web.multipart.MultipartFile;
import org.apache.commons.io.FilenameUtils;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.UUID;
import java.util.stream.Collectors;
/**
* @Author 进击的coder
* 对象存储api封装
*/
public class OssUtil {
/**
* 域名
*/
private final static String OSS_END_POINT = "xxxxx.xxxxxx.com";
/**
* 账号
*/
private final static String OSS_ACCESS_KEY_ID = "xxxxxxxxx";
/**
* 密匙
*/
private final static String OSS_ACCESS_KEY_SECRET = "xxxxxxxxxxx";
/**
* 存储空间
*/
private final static String OSS_BUCKET_NAME = "xxxxxx";
/**
* URL有效期
*/
private final static Date OSS_URL_EXPIRATION = DateUtils.addDays(new Date(), 365 * 10);
private volatile static OSSClient instance = null;
private OssUtil() {}
/**
* Oss 实例化
* @return
*/
private static OSSClient getOssClient() {
if(instance == null) {
synchronized (OssUtil.class){
if(instance == null){
instance = new OSSClient(OSS_END_POINT, OSS_ACCESS_KEY_ID, OSS_ACCESS_KEY_SECRET);
}
}
}
return instance;
}
/**
* 文件路径的枚举
*/
public enum FileDirType {
ARTICLE_IMAGES("article_images"), ARTICLE_VIDEO("article_video"), CAROUSEL("carousel"), MENU("menu");
private String dir;
FileDirType(String dir) {
this.dir = dir;
}
@JsonValue
public String getDir() {
return dir;
}
}
/**
* 当Bucket 不存在时候创建Bucket
*/
private static void createBuchet() {
try{
if(!OssUtil.getOssClient().doesBucketExist(OSS_BUCKET_NAME)){
OssUtil.getOssClient().createBucket(OSS_BUCKET_NAME);
}
}catch (Exception e) {
e.printStackTrace();
throw new ClientException("创建Bucket失败,请核对Bucket名称(规则:只能包含小写字母、数字和短横线,必须以小写字母和数字开头和结尾,长度在3-63之间)");
}
}
/**
* 文件上传的文件后缀
* @param FilenameExtension
* @return
*/
private static String getContentType(String FilenameExtension) {
if (FilenameExtension.equalsIgnoreCase("jpeg") ||
FilenameExtension.equalsIgnoreCase("jpg") ||
FilenameExtension.equalsIgnoreCase("png")) {
return "image/jpeg";
}
return "multipart/form-data";
}
/**
* 上传OSS服务器 如果同名文件会覆盖服务器上的
* @param file
* @param fileDirType
* @return
*/
private static String uploadFile(MultipartFile file, FileDirType fileDirType){
String fileName = String.format("%s.%s", UUID.randomUUID().toString(), FilenameUtils.getExtension(file.getOriginalFilename()));
try(InputStream inputStream = file.getInputStream()) {
ObjectMetadata objectMetadata = new ObjectMetadata();
objectMetadata.setContentLength(inputStream.available());
objectMetadata.setCacheControl("no-cache");
objectMetadata.setHeader("Pragma", "no-cache");
objectMetadata.setContentType(FilenameUtils.getExtension("." + file.getOriginalFilename()));
objectMetadata.setContentDisposition("inline;filename=" + fileName);
PutObjectResult putObjectResult = OssUtil.getOssClient().putObject(OSS_BUCKET_NAME, fileDirType.getDir() + "/" + fileName, inputStream, objectMetadata);
System.out.println(putObjectResult);
return fileDirType.getDir() + "/" + fileName;
}catch (OSSException oe) {
System.out.println("Error Message: " + oe.getErrorCode());
System.out.println("Error Code: " + oe.getErrorCode());
System.out.println("Request ID: " + oe.getRequestId());
System.out.println("Host ID: " + oe.getHostId());
return null;
} catch (ClientException ce) {
System.out.println("Error Message: " + ce.getMessage());
return null;
} catch (IOException e) {
System.out.println("Error Message: " + e.getMessage());
return null;
}
}
/**
* 获取文件路径
* @param fileUrl
* @param fileDirType
* @return
*/
private static String getFileUrl(String fileUrl, FileDirType fileDirType) {
if(StringUtils.isEmpty(fileUrl)) {
throw new RuntimeException("文件地址为空!");
}
String[] split = fileUrl.split("/");
URL url = OssUtil.getOssClient().generatePresignedUrl(OSS_BUCKET_NAME, fileDirType.getDir() + "/" + split[split.length - 1], OSS_URL_EXPIRATION);
if(url == null) {
throw new RuntimeException("获取OSS文件URL失败!");
}
return url.toString();
}
/**
* 文件上传 去掉URL中的?后的时间戳
* @param file
* @param fileDirType
* @return
*/
public static String upload(MultipartFile file, FileDirType fileDirType) {
OssUtil.createBuchet();
String fileName = OssUtil.uploadFile(file, fileDirType);
String fileOssUrl = OssUtil.getFileUrl(fileName, fileDirType);
int firstChar = fileOssUrl.indexOf("?");
if(firstChar > 0) {
fileOssUrl = fileOssUrl.substring(0, firstChar);
}
return fileOssUrl;
}
/**
* 获取路径地址
* @param fileName
* @return
*/
public static String getPathUrl(String fileName){
return fileName.substring(fileName.indexOf(OSS_END_POINT)+OSS_END_POINT.length()+1);
}
/**
* 文件删除
* @param keys
*/
public static void delete(List<String> keys) {
List<String> newKeys = keys.stream().map((item) -> {return OssUtil.getPathUrl(item);}).collect(Collectors.toList());
try{
DeleteObjectsResult deleteObjectsResult = OssUtil.getOssClient().deleteObjects(new DeleteObjectsRequest(OSS_BUCKET_NAME).withKeys(newKeys));
List<String> deletedObjects = deleteObjectsResult.getDeletedObjects();
System.out.println(deletedObjects);
}catch (OSSException oe) {
System.out.println("Error Message: " + oe.getErrorCode());
System.out.println("Error Code: " + oe.getErrorCode());
System.out.println("Request ID: " + oe.getRequestId());
System.out.println("Host ID: " + oe.getHostId());
} catch (ClientException ce) {
System.out.println("Error Message: " + ce.getMessage());
}
}
}
使用
/**
* @function 视频上传
* @return
*/
@PostMapping("/article/uploadVideo")
public JsonResult uploadVideo(@RequestParam(value = "file", required = false) MultipartFile file) {
if(file == null){
return new JsonResult(ResultCode.FAIL, "内容为空");
}else{
return new JsonResult(ResultCode.SUCCESS, OssUtil.upload(file, OssUtil.FileDirType.ARTICLE_VIDEO));
}
}
/**
* @function 图片上传
* @param file
* @return
*/
@PostMapping("/article/uploadImage")
public JsonResult uploadImages(@RequestParam(value = "file", required = false) MultipartFile file) {
if(file == null) {
return new JsonResult(ResultCode.FAIL, "内容为空");
}else {
return new JsonResult(ResultCode.SUCCESS, OssUtil.upload(file, OssUtil.FileDirType.ARTICLE_IMAGES));
}
}
/**
* 删除OSS对象
*
*/
@Override
public boolean deleteArtImg(Integer artId) {
List<ArticleImages> images = imagesMapper.selectImagesList(artId);
List<String> strings = images
.stream()
.map(item -> item.getImgUrl())
.collect(Collectors.toList())
.stream()
.filter((item) -> item.length() > 0)
.collect(Collectors.toList());
if(strings.size() > 0){
imagesMapper.deleteImagesList(artId);
OssUtil.delete(strings);
}
return true;
}