From 4c5c1d1f787a94fb13ffdb799bd479f8cf16c26e Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Wed, 09 Mar 2022 10:17:51 +0800
Subject: [PATCH] 文件上传兼容Weblogic环境

---
 ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java |   34 ++++++++++++++++------------------
 1 files changed, 16 insertions(+), 18 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 a49168c..e73631a 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
@@ -2,15 +2,17 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Paths;
+import java.util.Objects;
 import org.apache.commons.io.FilenameUtils;
 import org.springframework.web.multipart.MultipartFile;
 import com.ruoyi.common.core.exception.file.FileNameLengthLimitExceededException;
 import com.ruoyi.common.core.exception.file.FileSizeLimitExceededException;
 import com.ruoyi.common.core.exception.file.InvalidExtensionException;
 import com.ruoyi.common.core.utils.DateUtils;
-import com.ruoyi.common.core.utils.IdUtils;
 import com.ruoyi.common.core.utils.StringUtils;
 import com.ruoyi.common.core.utils.file.MimeTypeUtils;
+import com.ruoyi.common.core.utils.uuid.Seq;
 
 /**
  * 文件上传工具类
@@ -54,7 +56,7 @@
      *
      * @param baseDir 相对应用的基目录
      * @param file 上传的文件
-     * @param extension 上传文件类型
+     * @param allowedExtension 上传文件类型
      * @return 返回上传成功的文件名
      * @throws FileSizeLimitExceededException 如果超出最大大小
      * @throws FileNameLengthLimitExceededException 文件名太长
@@ -65,7 +67,7 @@
             throws FileSizeLimitExceededException, IOException, FileNameLengthLimitExceededException,
             InvalidExtensionException
     {
-        int fileNamelength = file.getOriginalFilename().length();
+        int fileNamelength = Objects.requireNonNull(file.getOriginalFilename()).length();
         if (fileNamelength > FileUploadUtils.DEFAULT_FILE_NAME_LENGTH)
         {
             throw new FileNameLengthLimitExceededException(FileUploadUtils.DEFAULT_FILE_NAME_LENGTH);
@@ -75,10 +77,9 @@
 
         String fileName = extractFilename(file);
 
-        File desc = getAbsoluteFile(baseDir, fileName);
-        file.transferTo(desc);
-        String pathFileName = getPathFileName(fileName);
-        return pathFileName;
+        String absPath = getAbsoluteFile(baseDir, fileName).getAbsolutePath();
+        file.transferTo(Paths.get(absPath));
+        return getPathFileName(fileName);
     }
 
     /**
@@ -86,10 +87,8 @@
      */
     public static final String extractFilename(MultipartFile file)
     {
-        String fileName = file.getOriginalFilename();
-        String extension = getExtension(file);
-        fileName = DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + extension;
-        return fileName;
+        return StringUtils.format("{}/{}_{}.{}", DateUtils.datePath(),
+                FilenameUtils.getBaseName(file.getOriginalFilename()), Seq.getId(Seq.uploadSeqType), getExtension(file));
     }
 
     private static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException
@@ -116,15 +115,14 @@
      * 文件大小校验
      *
      * @param file 上传的文件
-     * @return
      * @throws FileSizeLimitExceededException 如果超出最大大小
-     * @throws InvalidExtensionException
+     * @throws InvalidExtensionException 文件校验异常
      */
     public static final void assertAllowed(MultipartFile file, String[] allowedExtension)
             throws FileSizeLimitExceededException, InvalidExtensionException
     {
         long size = file.getSize();
-        if (DEFAULT_MAX_SIZE != -1 && size > DEFAULT_MAX_SIZE)
+        if (size > DEFAULT_MAX_SIZE)
         {
             throw new FileSizeLimitExceededException(DEFAULT_MAX_SIZE / 1024 / 1024);
         }
@@ -163,9 +161,9 @@
     /**
      * 判断MIME类型是否是允许的MIME类型
      *
-     * @param extension
-     * @param allowedExtension
-     * @return
+     * @param extension 上传文件类型
+     * @param allowedExtension 允许上传文件类型
+     * @return true/false
      */
     public static final boolean isAllowedExtension(String extension, String[] allowedExtension)
     {
@@ -190,7 +188,7 @@
         String extension = FilenameUtils.getExtension(file.getOriginalFilename());
         if (StringUtils.isEmpty(extension))
         {
-            extension = MimeTypeUtils.getExtension(file.getContentType());
+            extension = MimeTypeUtils.getExtension(Objects.requireNonNull(file.getContentType()));
         }
         return extension;
     }

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