新增本地资源通用下载方法

ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CommonController.java

@@ -12,6 +12,7 @@ import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.multipart.MultipartFile;
 import com.ruoyi.common.config.Global;
 import com.ruoyi.common.config.ServerConfig;
+import com.ruoyi.common.constant.Constants;
 import com.ruoyi.common.core.domain.AjaxResult;
 import com.ruoyi.common.utils.StringUtils;
 import com.ruoyi.common.utils.file.FileUploadUtils;
@@ -88,4 +89,24 @@ public class CommonController
             return AjaxResult.error(e.getMessage());
         }
     }
+
+    /**
+     * 本地资源通用下载
+     */
+    @GetMapping("/common/download/resource")
+    public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
+            throws Exception
+    {
+        // 本地资源路径
+        String localPath = Global.getProfile();
+        // 数据库资源地址
+        String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
+        // 下载名称
+        String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
+        response.setCharacterEncoding("utf-8");
+        response.setContentType("multipart/form-data");
+        response.setHeader("Content-Disposition",
+                "attachment;fileName=" + FileUtils.setFileDownloadHeader(request, downloadName));
+        FileUtils.writeBytes(downloadPath, response.getOutputStream());
+    }
 }

ruoyi-common/src/main/java/com/ruoyi/common/config/Global.java

@@ -129,7 +129,7 @@ public class Global
      */
     public static String getDownloadPath()
     {
-        return getProfile() + "/download";
+        return getProfile() + "/download/";
     }
 
     /**

ruoyi-common/src/main/java/com/ruoyi/common/constant/Constants.java

@@ -61,4 +61,9 @@ public class Constants
      * 排序的方向 "desc" 或者 "asc".
      */
     public static final String IS_ASC = "isAsc";
+
+    /**
+     * 资源映射路径 前缀
+     */
+    public static final String RESOURCE_PREFIX = "/profile";
 }

ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUploadUtils.java

@@ -5,6 +5,7 @@ import java.io.IOException;
 import org.apache.commons.io.FilenameUtils;
 import org.springframework.web.multipart.MultipartFile;
 import com.ruoyi.common.config.Global;
+import com.ruoyi.common.constant.Constants;
 import com.ruoyi.common.exception.file.FileNameLengthLimitExceededException;
 import com.ruoyi.common.exception.file.FileSizeLimitExceededException;
 import com.ruoyi.common.exception.file.InvalidExtensionException;
@@ -147,7 +148,7 @@ public class FileUploadUtils
     {
         int dirLastIndex = uploadDir.lastIndexOf("/") + 1;
         String currentDir = StringUtils.substring(uploadDir, dirLastIndex);
-        String pathFileName = "/profile/" + currentDir + "/" + fileName;
+        String pathFileName = Constants.RESOURCE_PREFIX + "/" + currentDir + "/" + fileName;
         return pathFileName;
     }
 

ruoyi-framework/src/main/java/com/ruoyi/framework/config/ResourcesConfig.java

@@ -8,6 +8,7 @@ import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry
 import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 import com.ruoyi.common.config.Global;
+import com.ruoyi.common.constant.Constants;
 import com.ruoyi.framework.interceptor.RepeatSubmitInterceptor;
 
 /**
@@ -40,7 +41,7 @@ public class ResourcesConfig implements WebMvcConfigurer
     public void addResourceHandlers(ResourceHandlerRegistry registry)
     {
         /** 本地文件上传路径 */
-        registry.addResourceHandler("/profile/**").addResourceLocations("file:" + Global.getProfile() + "/");
+        registry.addResourceHandler(Constants.RESOURCE_PREFIX + "/**").addResourceLocations("file:" + Global.getProfile() + "/");
 
         /** swagger配置 */
         registry.addResourceHandler("swagger-ui.html").addResourceLocations("classpath:/META-INF/resources/");