阿里云OSS官方文档

官方文档

开通阿里云OSS服务

先进入控制台，点击菜单栏的对象存储 OSS，根据提示开通服务。

阿里云OSS 学习路径

入门使用

使用步骤

1. 首先创建一个Bucket
   

2. 使用OOS

3. 上传文件

java代码上传文件至OSS

API文档

1、准备工作：创建阿里云OSS许可证(获取对Api的访问权限)

选择继续使用 AccessKey

创建AccessKey

创建成功

springBoot整合OSS

依赖

<dependencies><!-- 阿里云oss依赖 --><dependency><groupId>com.aliyun.oss</groupId><artifactId>aliyun-sdk-oss</artifactId><version>${aliyun.oss.version}</version></dependency><!-- 日期工具栏依赖 --><dependency><groupId>joda-time</groupId><artifactId>joda-time</artifactId></dependency></dependencies>

配置文件 application.yaml

server:port: 8002
spring:application:name: service-ossprofiles:active: dev## 阿里云 OSS
aliyun:oss:file:endpoint: oss-cn-beijing.aliyuncs.com # 地域节点keyid: LTAI5tFNjjg1s5mxxDC6Rxc4 # AccessKeyIdkeysecret: fZvVNtbU8pNfmAxxx53jYXhMUVHOo8 # 密钥bucketname: edu-xiuyuan # bucket名字

常量工具类

package com.zlf.oss.utils;import lombok.Data;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;/*** Created with IntelliJ IDEA.** @Auther: zlf* @Date: 2021/03/22/20:01* @Description: 读取常量的工具类*//*** InitializingBean 实现该接口 在SpringBoot项目初始化时会初始化将配置文件中的值赋给对应属性*/
@Component
public class ConstantPropertiesUtils implements InitializingBean {@Value("${aliyun.oss.file.endpoint}")private String endPoint;@Value("${aliyun.oss.file.keyid}")private String keyId;@Value("${aliyun.oss.file.keysecret}")private String keySecret;@Value("${aliyun.oss.file.bucketname}")private String bucketName;public static String END_POINT;public static String KEY_ID;public static String KEY_SECRET;public static String BUCKET_NAME;/*** @Description: 属性赋值后，会执行该方法初始化静态成员* @Param: []* @return: void* @Author: zlf* @Date: 2021/3/22*/@Overridepublic void afterPropertiesSet() throws Exception {END_POINT = endPoint;KEY_ID = keyId;KEY_SECRET = keySecret;BUCKET_NAME = bucketName;}
}

OssController

package com.zlf.oss.Controller;import com.zlf.commonutils.Response.R;
import com.zlf.oss.service.OssService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiModelProperty;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;import java.io.IOException;/*** Created with IntelliJ IDEA.** @Auther: zlf* @Date: 2021/03/22/20:16* @Description: 阿里云oss  上传文件*/
@RestController
@RequestMapping("/eduOss/fileOss")
@CrossOrigin
@Api(description = "oss上传接口")
public class OssController {@Autowiredprivate OssService ossService;/*** @Description: 上传头像* @Param: [file]* @return: com.zlf.commonutils.Response.R* @Author: zlf* @Date: 2021/3/22*/@PostMapping("uploadFile")@ApiOperation("上传文件")public R uploadOssFile(@ApiParam(name = "file",value = "文件") MultipartFile file)  {//获取上传对象String url = null;try {url = ossService.uploadFileAvatar(file);} catch (IOException e) {e.printStackTrace();}return R.ok().data("url",url);}
}

OssService

package com.zlf.oss.service.impl;import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClient;
import com.aliyun.oss.OSSClientBuilder;
import com.zlf.oss.service.OssService;
import com.zlf.oss.utils.ConstantPropertiesUtils;
import com.zlf.servicebase.exceptionHandler.GlobalException;
import org.joda.time.DateTime;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;import java.io.*;
import java.util.UUID;/*** Created with IntelliJ IDEA.** @Auther: zlf* @Date: 2021/03/22/20:15* @Description:*/
@Service
public class OssServiceImpl implements OssService {/*** @Description: 上传文件到阿里云oss* @Param: [file]* @return: 文件 url* @Author: zlf* @Date: 2021/3/22*/@Overridepublic String uploadFileAvatar(MultipartFile file)  {// yourEndpoint填写Bucket所在地域对应的Endpoint。以华东1（杭州）为例，Endpoint填写为https://oss-cn-hangzhou.aliyuncs.com。String endpoint = ConstantPropertiesUtils.END_POINT;// 阿里云账号AccessKey拥有所有API的访问权限，风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维，请登录RAM控制台创建RAM用户。String accessKeyId = ConstantPropertiesUtils.KEY_ID;String accessKeySecret = ConstantPropertiesUtils.KEY_SECRET;String bucketName = ConstantPropertiesUtils.BUCKET_NAME;try{// 创建OSSClient实例。OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);// 填写本地文件的完整路径。如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件流。InputStream inputStream = file.getInputStream();// 获取文件名称String fileName = file.getOriginalFilename();// 在文件名称中添加一个唯一的值String uuid = UUID.randomUUID().toString().replaceAll("-", "");fileName = uuid + fileName;// 按照时间日期进行分类 如 / 2021/03/22/xxx.jpgString datePath = new DateTime().toString("yyyy/MM/dd");fileName = datePath  +"/"+  fileName;// 填写Bucket名称和Object完整路径。Object完整路径中不能包含Bucket名称。以及上传文件的文件流ossClient.putObject(bucketName, fileName, inputStream);// 关闭OSSClient。ossClient.shutdown();//把上传路径返回 (手动拼接返回)//模板 https://edu-xiuyuan.oss-cn-beijing.aliyuncs.com/2021/03/20/%E6%96%B0%E6%A1%93%E7%BB%93%E8%A1%A3.pngString url = "https://"+ bucketName +"."+ endpoint + "/" +fileName;return url;}catch (Exception e){e.printStackTrace();return null;}}
}

详细的Api接口参考官方文档

效果

结尾

其他功能的实现请参考官方文档。