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先登录：

点击进入控制台

点击左上角导航栏按钮

搜索oss，点击进入

进入之后点击立即开通oss按钮，开通之后点击下图立即创建，弹出创建Bucket

填上Bucket名称，读写权限改为公共读。其他不变点击确定创建，完成之后点击进入Bucket

光标放到右上角头像，弹出AccessKey管理，点击进入，点击继续使用AccessKey

点击创建AccessKey，完成手机验证码验证

保存好AccessKey

左侧导航栏，点击sdk下载。找到java，点击查看小图标查看文档，再文档中心打开

找到java安装，将maven依赖坐标导入，pom.xml中。

<!--阿里云oss依赖坐标--><dependency><groupId>com.aliyun.oss</groupId><artifactId>aliyun-sdk-oss</artifactId><version>3.15.1</version></dependency><dependency><groupId>javax.xml.bind</groupId><artifactId>jaxb-api</artifactId><version>2.3.1</version></dependency><dependency><groupId>javax.activation</groupId><artifactId>activation</artifactId><version>1.1.1</version></dependency><!-- no more than 2.3.3--><dependency><groupId>org.glassfish.jaxb</groupId><artifactId>jaxb-runtime</artifactId><version>2.3.3</version></dependency>

找到java简单上传，将上传字符串这个代码复制过来

测试类中建一个demo类

改代码：---->

        /*endpoint是服务器的区域节点，将我们自己服务器的节点复制过来*/String endpoint = "https://oss-cn-beijing.aliyuncs.com";

 

        //注释掉自带的定义的环境变量，用我们自己的AccessKey定义//EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();String ACCESS_KEY_ID="LTAI5tNGKYfsdhshhgs7GZ";String ACCESS_KEY_SECRET="UBMW01zF9AAtrhN7W4ZqBdTvyylD";

        /*我们的bucket名称，我们之前自己定义的，填过来*/String bucketName = "god-626";

        /*我们定义要存储的对象的名字*/String objectName = "123.png";

  /*credentialsProvider被我们注释掉了，改成ACCESS_KEY_ID,ACCESS_KEY_SECRET*/OSS ossClient = new OSSClientBuilder().build(endpoint,ACCESS_KEY_ID,ACCESS_KEY_SECRET);try {// 填写字符串。String content = "Hello OSS，你好世界";// 创建PutObjectRequest对象。/*new 字符串输入流，改为new 文件输入流，加上我们定义的地址*/PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, objectName, new FileInputStream("C:\\Users\\19545\\Desktop\\files\\123.jpg"));

 完整代码：

package com.lin.springboot01;import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.common.auth.*;
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.ByteArrayInputStream;
import java.io.FileInputStream;public class Demo {public static void main(String[] args) throws Exception {// Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。/*endpoint是服务器的区域节点，将我们自己服务器的节点复制过来*/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。//注释掉自带的定义的环境变量，用我们自己的AccessKey定义//EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();String ACCESS_KEY_ID="LTAI5tNGgdsfdstVc1GH7GZ";String ACCESS_KEY_SECRET="UBMWQ01zsgsfdgsdgfBdTvyUDylD";// 填写Bucket名称，例如examplebucket。/*我们的bucket名称，我们之前自己定义的，填过来*/String bucketName = "god-626";// 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。/*我们定义要存储的对象的名字*/String objectName = "123.png";// 创建OSSClient实例。/*credentialsProvider被我们注释掉了，改成ACCESS_KEY_ID,ACCESS_KEY_SECRET*/OSS ossClient = new OSSClientBuilder().build(endpoint,ACCESS_KEY_ID,ACCESS_KEY_SECRET);try {// 填写字符串。String content = "Hello OSS，你好世界";// 创建PutObjectRequest对象。/*new 字符串输入流，改为new 文件输入流，加上我们定义的地址*/PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, objectName, new FileInputStream("C:\\Users\\19545\\Desktop\\files\\123.jpg"));// 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);} 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();}}}
}

完成，运行！