1导包
<dependencies> <!--aliyunOSS--> <dependency> <groupId>com.aliyun.oss</groupId> <artifactId>aliyun-sdk-oss</artifactId> <!-- <version>2.8.3</version>--> </dependency> <!-- <aliyun-sdk-oss.version>3.1.0</aliyun-sdk-oss.version>--> <dependency> <groupId>com.atguigu</groupId> <artifactId>common_utils</artifactId> <version>0.0.1-SNAPSHOT</version> <scope>compile</scope> </dependency>
2去阿里云网站 对象存储开启oss 并且开启asscess key
3 得到需要的几个参数(
//定义公开静态常量
public static String END_POIND;
public static String ACCESS_KEY_ID;
public static String ACCESS_KEY_SECRET;
public static String BUCKET_NAME;
)
4把参数包装成工具类
package com.jc.oss.utils; import org.springframework.beans.factory.InitializingBean; import org.springframework.beans.factory.annotation.Value; import org.springframework.stereotype.Component; //当项目已启动,spring接口,spring加载之后,执行接口一个方法 @Component public class ConstantPropertiesUtils implements InitializingBean { //读取配置文件内容 @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; //定义公开静态常量 public static String END_POIND; public static String ACCESS_KEY_ID; public static String ACCESS_KEY_SECRET; public static String BUCKET_NAME; @Override public void afterPropertiesSet() throws Exception { END_POIND = endpoint; ACCESS_KEY_ID = keyId; ACCESS_KEY_SECRET = keySecret; BUCKET_NAME = bucketName; } }
5编写实现类 根据官网教程来写
package com.jc.oss.service.impl; import com.aliyun.oss.OSS; import com.aliyun.oss.OSSClientBuilder; import com.jc.oss.service.OssService; import com.jc.oss.utils.ConstantPropertiesUtils; //import org.joda.time.DateTime; import org.springframework.stereotype.Service; import org.springframework.web.multipart.MultipartFile; import java.io.InputStream; import java.util.UUID; @Service public class OssServiceImpl implements OssService { //上传头像到oss @Override public String uploadFileAvatar(MultipartFile file) { // 工具类获取值 String endpoint = ConstantPropertiesUtils.END_POIND; String accessKeyId = ConstantPropertiesUtils.ACCESS_KEY_ID; String accessKeySecret = ConstantPropertiesUtils.ACCESS_KEY_SECRET; String bucketName = ConstantPropertiesUtils.BUCKET_NAME; try { // 创建OSS实例。 OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret); //获取上传文件输入流 InputStream inputStream = file.getInputStream(); //获取文件名称 String fileName = file.getOriginalFilename(); //1 在文件名称里面添加随机唯一的值 String uuid = UUID.randomUUID().toString().replaceAll("-",""); // yuy76t5rew01.jpg fileName = uuid+fileName; //2 把文件按照日期进行分类 //获取当前日期 // 2019/11/12 // String datePath = new DateTime().toString("yyyy/MM/dd"); // //拼接 // // 2019/11/12/ewtqr313401.jpg // fileName = datePath+"/"+fileName; //调用oss方法实现上传 //第一个参数 Bucket名称 //第二个参数 上传到oss文件路径和文件名称 aa/bb/1.jpg //第三个参数 上传文件输入流 ossClient.putObject(bucketName,fileName , inputStream); // 关闭OSSClient。 ossClient.shutdown(); //把上传之后文件路径返回 //需要把上传到阿里云oss路径手动拼接出来 // https://edu-guli-1010.oss-cn-beijing.aliyuncs.com/01.jpg String url = "https://"+bucketName+"."+endpoint+"/"+fileName; return url; }catch(Exception e) { e.printStackTrace(); return null; } } }
5编写controller
上传文件 返回文件连接
package com.jc.oss.controller; //import com.atguigu.commonutils.R; import com.jc.commonutils.R; import com.jc.oss.service.OssService; 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; @RestController @RequestMapping("/eduoss/fileoss") @CrossOrigin public class OssController { @Autowired private OssService ossService; //上传头像的方法 @PostMapping public R uploadOssFile(MultipartFile file) { //获取上传文件 MultipartFile //返回上传到oss的路径 String url = ossService.uploadFileAvatar(file); return R.ok().data("url",url); } }