【技术积累】腾讯/阿里云对象存储上传+删除
腾讯/阿里云对象存储上传+删除[*]创建储存桶 （后面会用到 储存库名称、访问域名、以及region） region（地域和访问域名）的查询参考： https://cloud.tencent.com/document/product/436/6224
[*]https://www.aliyun.com/product/oss
常用的阿里云、腾讯云
https://img2024.cnblogs.com/blog/2052388/202409/2052388-20240910235614394-169516063.png
2.创建Api密钥 （后面会用到 secretId、secretKey）
https://img2024.cnblogs.com/blog/2052388/202409/2052388-20240910235716958-140653508.png
application.yml
qcloud:
path: 域名地址
bucketName: 储存库名称
secretId: 密钥生成的secretId
secretKey: 密钥生成的secretKey
region: 地域简称
prefix: /images/工具类：
import com.qcloud.cos.COSClient;
import com.qcloud.cos.ClientConfig;
import com.qcloud.cos.auth.BasicCOSCredentials;
import com.qcloud.cos.auth.COSCredentials;
import com.qcloud.cos.exception.CosClientException;
import com.qcloud.cos.exception.CosServiceException;
import com.qcloud.cos.model.PutObjectRequest;
import com.qcloud.cos.model.PutObjectResult;
import com.qcloud.cos.region.Region;
import lombok.Data;
import org.springframework.web.multipart.MultipartFile;
import java.io.File;
import java.io.IOException;
import java.util.UUID;
/**
* @author
* @date 2021/6/6 19:31
* @role
*/
@Data
public class QCloudCosUtils {
//API密钥secretId
private String secretId;
//API密钥secretKey
private String secretKey;
//存储桶所属地域
private String region;
//存储桶空间名称
private String bucketName;
//存储桶访问域名
private String path;
//上传文件前缀路径(eg:/images/)
private String prefix;
/**
* 上传File类型的文件
*
* @param file
* @return 上传文件在存储桶的链接
*/
public String upload(File file) {
//生成唯一文件名
String newFileName = generateUniqueName(file.getName());
//文件在存储桶中的key
String key = prefix + newFileName;
//声明客户端
COSClient cosClient = null;
try {
//初始化用户身份信息(secretId,secretKey)
COSCredentials cosCredentials = new BasicCOSCredentials(secretId, secretKey);
//设置bucket的区域
ClientConfig clientConfig = new ClientConfig(new Region(region));
//生成cos客户端
cosClient = new COSClient(cosCredentials, clientConfig);
//创建存储对象的请求
PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, file);
//执行上传并返回结果信息
PutObjectResult putObjectResult = cosClient.putObject(putObjectRequest);
return path + key;
} catch (CosClientException e) {
e.printStackTrace();
} finally {
cosClient.shutdown();
}
return null;
}
/**
* upload()重载方法
*
* @param multipartFile
* @return 上传文件在存储桶的链接
*/
public String upload(MultipartFile multipartFile) {
System.out.println(multipartFile);
//生成唯一文件名
String newFileName = generateUniqueName(multipartFile.getOriginalFilename());
//文件在存储桶中的key
String key = prefix + newFileName;
//声明客户端
COSClient cosClient = null;
//准备将MultipartFile类型转为File类型
File file = null;
try {
//生成临时文件
file = File.createTempFile("temp", null);
//将MultipartFile类型转为File类型
multipartFile.transferTo(file);
//初始化用户身份信息(secretId,secretKey)
COSCredentials cosCredentials = new BasicCOSCredentials(secretId, secretKey);
//设置bucket的区域
ClientConfig clientConfig = new ClientConfig(new Region(region));
//生成cos客户端
cosClient = new COSClient(cosCredentials, clientConfig);
//创建存储对象的请求
PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, file);
//执行上传并返回结果信息
PutObjectResult putObjectResult = cosClient.putObject(putObjectRequest);
return path + key;
} catch (IOException e) {
e.printStackTrace();
} finally {
cosClient.shutdown();
}
return null;
}
/**
* 根据UUID生成唯一文件名
*
* @param originalName
* @return
*/
public String generateUniqueName(String originalName) {
return UUID.randomUUID() + originalName.substring(originalName.lastIndexOf("."));
}
/**
* 删除文件
*/
public boolean deleteFile(String fileName) {
String key = prefix + fileName;
COSClient cosclient = null;
try {
//初始化用户身份信息(secretId,secretKey)
COSCredentials cosCredentials = new BasicCOSCredentials(secretId, secretKey);
//设置bucket的区域
ClientConfig clientConfig = new ClientConfig(new Region(region));
// 生成cos客户端
cosclient = new COSClient(cosCredentials, clientConfig);
// 指定要删除的 bucket 和路径
cosclient.deleteObject(bucketName, key);
// 关闭客户端(关闭后台线程)
cosclient.shutdown();
}catch (CosClientException e) {
e.printStackTrace();
}
return true;
}
}import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import studio.banner.officialwebsite.util.QCloudCosUtils;
/**
* 腾讯云对象存储
*/
@Configuration
public class QCloudCosUtilsConfig {
@ConfigurationProperties(prefix = "qcloud")
@Bean
public QCloudCosUtils qcloudCosUtils() {
return new QCloudCosUtils();
}
}import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiOperation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import studio.banner.officialwebsite.entity.RespBean;
import studio.banner.officialwebsite.service.IFileUploadService;
/**
* @author
* @date 2021/6/6 19:42
* @role
*/
@RestController
@Api(tags = "腾讯云上传接口", value = "TencentPhotoController")
public class TencentPhotoController {
protected static final Logger logger = LoggerFactory.getLogger(TencentPhotoController.class);
@Autowired
private IFileUploadService iFileUploadService;
@PostMapping(value = "/upload")
@ApiOperation(value = "腾讯云上传接口",notes = "上传图片不能为空",httpMethod = "POST")
public RespBean upload(@RequestPart MultipartFile multipartFile) {
String url = iFileUploadService.upload(multipartFile);
return RespBean.ok("上传成功",url);
}
@DeleteMapping("delete")
@ApiOperation(value = "腾讯云删除接口",httpMethod = "DELETE")
@ApiImplicitParam(name = "fileName",value = "图片名",dataTypeClass = String.class)
public RespBean delete(@RequestParam StringfileName) {
if (iFileUploadService.delete(fileName)){
return RespBean.ok("删除成功");
}
return RespBean.error("删除失败");
}
}
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