From 504a4e8e66fe61d7c50f83aa8e3730635f75ebfc Mon Sep 17 00:00:00 2001
From: pigwantacat <zhuhebin0928@163.com>
Date: Thu, 16 Mar 2023 23:48:40 +0800
Subject: [PATCH] 完善ruoyi-file模块的upload接口在文件过大和文件名过长的情况下的返回值中的msg提示信息

---
 ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java |   31 +++++++++++--------------------
 1 files changed, 11 insertions(+), 20 deletions(-)

diff --git a/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java b/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java
index e2a469c..c7a2484 100644
--- a/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java
+++ b/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java
@@ -2,7 +2,10 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Paths;
 import java.util.Objects;
+
+import com.ruoyi.common.core.exception.file.FileException;
 import org.apache.commons.io.FilenameUtils;
 import org.springframework.web.multipart.MultipartFile;
 import com.ruoyi.common.core.exception.file.FileNameLengthLimitExceededException;
@@ -10,6 +13,7 @@
 import com.ruoyi.common.core.exception.file.InvalidExtensionException;
 import com.ruoyi.common.core.utils.DateUtils;
 import com.ruoyi.common.core.utils.StringUtils;
+import com.ruoyi.common.core.utils.file.FileTypeUtils;
 import com.ruoyi.common.core.utils.file.MimeTypeUtils;
 import com.ruoyi.common.core.utils.uuid.Seq;
 
@@ -44,6 +48,9 @@
         {
             return upload(baseDir, file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
         }
+        catch (FileException fe){
+            throw new IOException(fe.getDefaultMessage(), fe);
+        }
         catch (Exception e)
         {
             throw new IOException(e.getMessage(), e);
@@ -76,8 +83,8 @@
 
         String fileName = extractFilename(file);
 
-        File desc = getAbsoluteFile(baseDir, fileName);
-        file.transferTo(desc);
+        String absPath = getAbsoluteFile(baseDir, fileName).getAbsolutePath();
+        file.transferTo(Paths.get(absPath));
         return getPathFileName(fileName);
     }
 
@@ -87,7 +94,7 @@
     public static final String extractFilename(MultipartFile file)
     {
         return StringUtils.format("{}/{}_{}.{}", DateUtils.datePath(),
-                FilenameUtils.getBaseName(file.getOriginalFilename()), Seq.getId(Seq.uploadSeqType), getExtension(file));
+                FilenameUtils.getBaseName(file.getOriginalFilename()), Seq.getId(Seq.uploadSeqType), FileTypeUtils.getExtension(file));
     }
 
     private static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException
@@ -127,7 +134,7 @@
         }
 
         String fileName = file.getOriginalFilename();
-        String extension = getExtension(file);
+        String extension = FileTypeUtils.getExtension(file);
         if (allowedExtension != null && !isAllowedExtension(extension, allowedExtension))
         {
             if (allowedExtension == MimeTypeUtils.IMAGE_EXTENSION)
@@ -174,21 +181,5 @@
             }
         }
         return false;
-    }
-
-    /**
-     * 获取文件名的后缀
-     * 
-     * @param file 表单文件
-     * @return 后缀名
-     */
-    public static final String getExtension(MultipartFile file)
-    {
-        String extension = FilenameUtils.getExtension(file.getOriginalFilename());
-        if (StringUtils.isEmpty(extension))
-        {
-            extension = MimeTypeUtils.getExtension(Objects.requireNonNull(file.getContentType()));
-        }
-        return extension;
     }
 }
\ No newline at end of file

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