增加本地服务器文件上传和下载接口

bonus-modules/bonus-file/pom.xml

@@ -66,6 +66,11 @@
             <artifactId>bonus-common-swagger</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>commons-net</groupId>
+            <artifactId>commons-net</artifactId>
+            <version>3.9.0</version>
+        </dependency>
     </dependencies>
 
     <build>

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

@@ -1,9 +1,13 @@
 package com.bonus.file.controller;
 
+import com.bonus.common.core.utils.Base64Utils;
+import com.bonus.file.utils.FileDownloadUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
 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.bonus.common.core.domain.R;
@@ -11,6 +15,8 @@ import com.bonus.common.core.utils.file.FileUtils;
 import com.bonus.file.service.ISysFileService;
 import com.bonus.system.api.domain.SysFile;
 
+import java.io.IOException;
+
 /**
  * 文件请求处理
  * 
@@ -45,4 +51,35 @@ public class SysFileController
             return R.fail(e.getMessage());
         }
     }
+
+    @GetMapping("/download")
+    public R<Boolean> downloadFile(String url, String destination) {
+        try {
+                String fileUrl = Base64Utils.decodeUrl(url);
+                if (fileUrl != null) {
+                String fileName = Base64Utils.getFileNameFromURL(fileUrl);
+                sysFileService.downloadFile(fileUrl, destination + "/" + fileName);
+                return R.ok();
+                }
+        } catch (Exception e) {
+            log.error("下载文件失败", e);
+            return R.fail(e.getMessage());
+        }
+        return R.fail("下载文件失败");
+    }
+
+    @GetMapping("/delete")
+    public R<Boolean> deleteFile(String url) {
+        try {
+            String fileUrl = Base64Utils.decodeUrl(url);
+            if (fileUrl != null) {
+                sysFileService.deleteFile(fileUrl);
+                return R.ok();
+            }
+        }  catch (Exception e) {
+            log.error("delete文件失败", e);
+            return R.fail(e.getMessage());
+        }
+        return R.fail("传入参数不满足要求");
+    }
 }

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

@@ -43,4 +43,17 @@ public class FastDfsSysFileServiceImpl implements ISysFileService
         IoUtils.closeQuietly(inputStream);
         return domain + "/" + storePath.getFullPath();
     }
+
+    @Override
+    public boolean downloadFile(String urlStr, String destination) throws Exception
+    {
+        return false;
+    }
+
+
+    @Override
+    public boolean deleteFile(String urlStr) throws Exception
+    {
+        return false;
+    }
 }

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

@@ -17,4 +17,11 @@ public interface ISysFileService
      * @throws Exception
      */
     public String uploadFile(MultipartFile file) throws Exception;
+
+
+    public boolean downloadFile(String urlStr, String destination) throws Exception;
+
+
+    public boolean deleteFile(String urlStr) throws Exception;
+
 }

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

@@ -1,11 +1,17 @@
 package com.bonus.file.service;
 
+import com.bonus.file.utils.FileDownloadUtils;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Primary;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
 import com.bonus.file.utils.FileUploadUtils;
 
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
 /**
  * 本地文件存储
  * 
@@ -47,4 +53,29 @@ public class LocalSysFileServiceImpl implements ISysFileService
         String url = domain + localFilePrefix + name;
         return url;
     }
+
+    @Override
+    public boolean downloadFile(String urlStr, String destination) throws Exception
+    {
+        return FileDownloadUtils.downloadFile(urlStr, destination);
+    }
+
+
+    @Override
+    public boolean deleteFile(String urlStr) throws Exception
+    {
+        String regex = String.format("^(.*?%s)", localFilePrefix);
+        String updatePath = urlStr.replaceFirst(regex, localFilePath);
+        Path path = Paths.get(updatePath);
+        if (Files.exists(path)){
+            try {
+                Files.deleteIfExists(path);
+            }catch (IOException e){
+                throw new Exception(e.getMessage(), e);
+            }
+        }else {
+            throw new Exception("删除文件时文件不存在");
+        }
+        return true;
+    }
 }

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

@@ -46,4 +46,17 @@ public class MinioSysFileServiceImpl implements ISysFileService
         IoUtils.closeQuietly(inputStream);
         return minioConfig.getUrl() + "/" + minioConfig.getBucketName() + "/" + fileName;
     }
+
+    @Override
+    public boolean downloadFile(String urlStr, String destination) throws Exception
+    {
+        return false;
+    }
+
+
+    @Override
+    public boolean deleteFile(String urlStr) throws Exception
+    {
+        return false;
+    }
 }