js
<form action="/upload" method="post" enctype="multipart/form-data">
头像:<input type="file" name="image">
<input type="submit" value="提交">
</form>
java
package com.heo.utils;
import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;
import java.io.FileInputStream;
import java.io.InputStream;
public class AliOssUtil {
// Endpoint以华东1(杭州)为例,其它Region请按实际情况填写。
private static final String ENDPOINT = "https://oss-cn-beijing.aliyuncs.com";
// 从环境变量中获取访问凭证。运行本代码示例之前,请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
//EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
private static final String ACCESS_KEY_ID = "xxxxx"; // 替换成自己的ACCESS_KEY_ID
private static final String ACCESS_KEY_SECRET = "xxxxx"; // 替换成自己的ACCESS_KEY_SECRET
// 填写Bucket名称,例如examplebucket。
private static final String BUCKET_NAME = "heoleadnews";
public static String uploadFile(String objectName, InputStream in) throws Exception {
// 创建OSSClient实例。
OSS ossClient = new OSSClientBuilder().build(ENDPOINT, ACCESS_KEY_ID, ACCESS_KEY_SECRET);
String url = "";
try {
// 填写字符串。
String content = "Hello OSS,你好世界";
// 创建PutObjectRequest对象。
PutObjectRequest putObjectRequest = new PutObjectRequest(BUCKET_NAME, objectName, in);
// 如果需要上传时设置存储类型和访问权限,请参考以下示例代码。
// ObjectMetadata metadata = new ObjectMetadata();
// metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString());
// metadata.setObjectAcl(CannedAccessControlList.Private);
// putObjectRequest.setMetadata(metadata);
// 上传字符串。
PutObjectResult result = ossClient.putObject(putObjectRequest);
// 例: https://heoleadnews.oss-cn-beijing.aliyuncs.com/001.png
url = "https://" + BUCKET_NAME + "." + ENDPOINT.substring(ENDPOINT.lastIndexOf("/") + 1) + "/" + objectName;
} catch (OSSException oe) {
System.out.println("Caught an OSSException, which means your request made it to OSS, "
+ "but was rejected with an error response for some reason.");
System.out.println("Error Message:" + oe.getErrorMessage());
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("Caught an ClientException, which means the client encountered "
+ "a serious internal problem while trying to communicate with OSS, "
+ "such as not being able to access the network.");
System.out.println("Error Message:" + ce.getMessage());
} finally {
if (ossClient != null) {
ossClient.shutdown();
}
}
return url;
}
}
java
package com.heo.controller;
import com.heo.pojo.Result;
import com.heo.utils.AliOssUtil;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import java.util.UUID;
@RestController
public class FileUploadController {
@PostMapping("/upload")
public Result<String> upload(MultipartFile file) throws Exception {
String originalFilename = file.getOriginalFilename();
String filename = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));
// file.transferTo(new File("C:\\Users\\86139\\Desktop\\Java\\springboot3+vue3(黑马)\\FileUpload\\"+filename));
String url = AliOssUtil.uploadFile(filename, file.getInputStream());
return Result.success(url);
}
}