From 74045776d62039bef7e4e53a20f473b8b995fc83 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Tue, 18 Apr 2023 16:14:08 +0800
Subject: [PATCH] 优化文件输入流可能为空的问题
---
ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java | 40 ++++++++++++++++------------------------
1 files changed, 16 insertions(+), 24 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 bf1171a..0d4c4df 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 +2,19 @@
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.FileException;
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.FileTypeUtils;
import com.ruoyi.common.core.utils.file.MimeTypeUtils;
+import com.ruoyi.common.core.utils.uuid.Seq;
/**
* 文件上传工具类
@@ -43,6 +47,10 @@
{
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);
@@ -65,7 +73,7 @@
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 +83,9 @@
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);
}
/**
@@ -86,7 +93,8 @@
*/
public static final String extractFilename(MultipartFile file)
{
- return DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + getExtension(file);
+ return StringUtils.format("{}/{}_{}.{}", DateUtils.datePath(),
+ FilenameUtils.getBaseName(file.getOriginalFilename()), Seq.getId(Seq.uploadSeqType), FileTypeUtils.getExtension(file));
}
private static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException
@@ -126,7 +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)
@@ -173,21 +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(file.getContentType());
- }
- return extension;
}
}
\ No newline at end of file
--
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