1、文件服务阿里云oss文件删除接口实现

ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/controller/SysFileController.java

@@ -1,9 +1,13 @@
 package com.ruoyi.file.controller;
 
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 import com.ruoyi.common.core.domain.R;
@@ -17,6 +21,7 @@ import com.ruoyi.system.api.domain.SysFile;
  * @author ruoyi
  */
 @RestController
+@Api(tags = "文件模块")
 public class SysFileController
 {
     private static final Logger log = LoggerFactory.getLogger(SysFileController.class);
@@ -45,4 +50,20 @@ public class SysFileController
             return R.fail(e.getMessage());
         }
     }
+
+    /**
+     * <p>
+     *     删除文件
+     * </p>
+     * @author xjs
+     * @since 2022-03-02
+     * @param url 文件路径
+     * @return R
+     */
+    @ApiOperation("删除文件")
+    @DeleteMapping("/remove")
+    public R removeFile(@RequestParam("url") String url) {
+        sysFileService.removeFile(url);
+        return R.ok();
+    }
 }

ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/service/AliyunOssFileServiceImpl.java

@@ -1,9 +1,9 @@
 package com.ruoyi.file.service;
 
 import cn.hutool.core.date.DateUtil;
-import cn.hutool.core.util.RandomUtil;
 import com.aliyun.oss.OSS;
 import com.aliyun.oss.OSSClientBuilder;
+import com.ruoyi.common.core.text.UUID;
 import com.ruoyi.file.config.AliyunOssProperties;
 import com.ruoyi.file.utils.FileUploadUtils;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -26,6 +26,11 @@ import java.util.Date;
 @Primary
 public class AliyunOssFileServiceImpl implements ISysFileService {
 
+    public static final String HTTPS = "https://";
+
+    public static final String DOT = ".";
+
+    public static final String SLASH = "/";
 
     @Autowired
     private AliyunOssProperties aliyunOssProperties;
@@ -35,29 +40,43 @@ public class AliyunOssFileServiceImpl implements ISysFileService {
         Assert.notNull(file, "file is null");
         try {
             String endpoint = aliyunOssProperties.getEndpoint();
-            String keyId = aliyunOssProperties.getKeyId();
-            String keySecret = aliyunOssProperties.getKeySecret();
             String bucketName = aliyunOssProperties.getBucketName();
-            OSS ossClient = new OSSClientBuilder().build(endpoint,
-                    keyId, keySecret);
+            OSS ossClient = this.getOssClient();
             //获取流
             InputStream is = file.getInputStream();
             //获取文件后缀
             String extension = FileUploadUtils.getExtension(file);
             //获取文件名称
-            String fileName = getDataTime() + "." + extension;
+            String fileName = this.getDataTime() + DOT + extension;
             //执行文件上传         bucket名称  文件名称  文件流
             ossClient.putObject(bucketName, fileName, is);
             //关闭ossClient
             ossClient.shutdown();
             //拼接文件地址
-            return "https://" + bucketName + "." + endpoint + "/" + fileName;
+            return HTTPS + bucketName + DOT + endpoint + SLASH + fileName;
         } catch (IOException e) {
             e.printStackTrace();
             return null;
         }
     }
 
+    @Override
+    public void removeFile(String url) {
+        String endpoint = aliyunOssProperties.getEndpoint();
+        String bucketName = aliyunOssProperties.getBucketName();
+        String host = HTTPS + bucketName + DOT + endpoint + SLASH;
+
+        String objectName = url.substring(host.length());
+        OSS ossClient = this.getOssClient();
+
+        //执行删除
+        ossClient.deleteObject(bucketName, objectName);
+
+        //关闭ossClient
+        ossClient.shutdown();
+
+    }
+
     /**
      * 生成一个当前日期文件名
      *
@@ -65,9 +84,19 @@ public class AliyunOssFileServiceImpl implements ISysFileService {
      */
     private String getDataTime() {
         String today = DateUtil.format(new Date(), "yyyy-MM");
-        String time = DateUtil.formatDateTime(new Date());
-        int random = RandomUtil.randomInt(100, 10000);
-        //防止同一时间生成文件名重复
-        return today + "/" + time + "-" + random;
+        return today + SLASH + UUID.randomUUID();
+    }
+
+    /**
+     * 获取oss实例
+     *
+     * @return OSS
+     */
+    private OSS getOssClient() {
+        String endpoint = aliyunOssProperties.getEndpoint();
+        String keyId = aliyunOssProperties.getKeyId();
+        String keySecret = aliyunOssProperties.getKeySecret();
+        return new OSSClientBuilder().build(endpoint,
+                keyId, keySecret);
     }
 }

ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/service/FastDfsSysFileServiceImpl.java

@@ -39,4 +39,9 @@ public class FastDfsSysFileServiceImpl implements ISysFileService
                 FilenameUtils.getExtension(file.getOriginalFilename()), null);
         return domain + "/" + storePath.getFullPath();
     }
+
+    @Override
+    public void removeFile(String url) {
+
+    }
 }

ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/service/FtpSysFileServiceImpl.java

@@ -36,4 +36,9 @@ public class FtpSysFileServiceImpl implements ISysFileService{
         }
         return url;
     }
+
+    @Override
+    public void removeFile(String url) {
+
+    }
 }

ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/service/ISysFileService.java

@@ -17,4 +17,10 @@ public interface ISysFileService
      * @throws Exception
      */
     public String uploadFile(MultipartFile file) throws Exception;
+
+    /**
+     * 文件删除接口
+     * @param url 文件路径
+     */
+    void removeFile(String url);
 }

ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/service/LocalSysFileServiceImpl.java

@@ -45,4 +45,9 @@ public class LocalSysFileServiceImpl implements ISysFileService
         String url = domain + localFilePrefix + name;
         return url;
     }
+
+    @Override
+    public void removeFile(String url) {
+
+    }
 }

ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/service/MinioSysFileServiceImpl.java

@@ -42,4 +42,9 @@ public class MinioSysFileServiceImpl implements ISysFileService
         client.putObject(args);
         return minioConfig.getUrl() + "/" + minioConfig.getBucketName() + "/" + fileName;
     }
+
+    @Override
+    public void removeFile(String url) {
+
+    }
 }