【在线教育】课程封面上传图片到阿里云OSS（三）

@PostMapping("/avatar/upload")
publicBaseResultavatarUpload(MultipartFilefile) {
​Stringurl="https://wpimg.wallstcn.com/f778738c-e4f8-4870-b634-56703b4acafe.gif?imageView2/1/w/80/h/80";
​returnBaseResult.ok("上传成功", url);
    }

<dependency><groupId>com.aliyun.oss</groupId><artifactId>aliyun-sdk-oss</artifactId><version>3.15.0</version></dependency>

aliyun:
oss:
file:
pathProtocol: httpsendpoint: oss-cn-shanghai.aliyuncs.comkeyId: LTAI5t7oNGMkQJ1X8RqtLet2keySecret: 这里是密码dirName: avatarbucketName: czxy-lt

配置类packagecom.czxy.zx.course.oss;
​importlombok.Data;
importorg.springframework.boot.context.properties.ConfigurationProperties;
importorg.springframework.stereotype.Component;
​/*** @author 桐叔* @email liangtong@itcast.cn*/@Data@Component@ConfigurationProperties(prefix="aliyun.oss.file")
publicclassOssProperties {
privateStringpathProtocol;    //路径协议​privateStringendpoint;        //地域​privateStringkeyId;           //账号​privateStringkeySecret;       //密码​privateStringdirName;         //上传目录​privateStringbucketName;      //Bucket 名称}
​

packagecom.czxy.zx.course.oss;
​importcom.aliyun.oss.OSS;
importcom.aliyun.oss.OSSClientBuilder;
importcom.czxy.zx.exception.EduException;
importorg.springframework.stereotype.Component;
importorg.springframework.web.multipart.MultipartFile;
​importjavax.annotation.Resource;
importjava.io.FileInputStream;
importjava.io.IOException;
importjava.io.InputStream;
​/*** @author 桐叔* @email liangtong@itcast.cn*/@ComponentpublicclassOssUtils {
@ResourceprivateOssPropertiesossProperties;
​publicStringupload(MultipartFilefile) {
if(file==null) {
thrownewEduException("上传文件为空");
        }
​try {
​// 创建OSSClient实例。OSSossClient=newOSSClientBuilder().build(ossProperties.getEndpoint(), ossProperties.getKeyId(), ossProperties.getKeySecret());
​Stringpath=ossProperties.getDirName() +"/"+System.currentTimeMillis() +".png";
​// 数据流InputStreaminputStream=file.getInputStream();
// 填写Bucket名称和Object完整路径。Object完整路径中不能包含Bucket名称。ossClient.putObject(ossProperties.getBucketName(), path, inputStream);
​​// 关闭OSSClient。ossClient.shutdown();
​Stringurl=ossProperties.getPathProtocol() +"://"+ossProperties.getBucketName()+"."+ossProperties.getEndpoint()+"/"+path;
returnurl;
        } catch (IOExceptione) {
thrownewEduException("文件上传有误");
        }
​    }
}
​

@ResourceprivateOssUtilsossUtils;
​@PostMapping("/avatar/upload")
publicBaseResultavatarUpload(MultipartFilefile) {
​Stringurl=ossUtils.upload(file);
​returnBaseResult.ok("上传成功", url);
    }