From ab01a0f611c0adb97662bc8f548ca4a911ec8045 Mon Sep 17 00:00:00 2001
From: chenrui <1187576398@qq.com>
Date: 星期五, 06 六月 2025 17:37:39 +0800
Subject: [PATCH] 分页修改
---
src/main/java/com/ruoyi/common/utils/file/FileUtils.java | 138 +++++++++++++++++++++++++++++++++++++--------
1 files changed, 113 insertions(+), 25 deletions(-)
diff --git a/src/main/java/com/ruoyi/common/utils/file/FileUtils.java b/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
index dfdf9e9..d4815b0 100644
--- a/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
+++ b/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
@@ -3,6 +3,7 @@
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
@@ -10,8 +11,13 @@
import java.nio.charset.StandardCharsets;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
+import org.apache.commons.io.FilenameUtils;
+import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.ArrayUtils;
+import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.StringUtils;
+import com.ruoyi.common.utils.uuid.IdUtils;
+import com.ruoyi.framework.config.RuoYiConfig;
/**
* 鏂囦欢澶勭悊宸ュ叿绫�
@@ -53,29 +59,48 @@
}
finally
{
- if (os != null)
- {
- try
- {
- os.close();
- }
- catch (IOException e1)
- {
- e1.printStackTrace();
- }
- }
- if (fis != null)
- {
- try
- {
- fis.close();
- }
- catch (IOException e1)
- {
- e1.printStackTrace();
- }
- }
+ IOUtils.close(os);
+ IOUtils.close(fis);
}
+ }
+
+ /**
+ * 鍐欐暟鎹埌鏂囦欢涓�
+ *
+ * @param data 鏁版嵁
+ * @return 鐩爣鏂囦欢
+ * @throws IOException IO寮傚父
+ */
+ public static String writeImportBytes(byte[] data) throws IOException
+ {
+ return writeBytes(data, RuoYiConfig.getImportPath());
+ }
+
+ /**
+ * 鍐欐暟鎹埌鏂囦欢涓�
+ *
+ * @param data 鏁版嵁
+ * @param uploadDir 鐩爣鏂囦欢
+ * @return 鐩爣鏂囦欢
+ * @throws IOException IO寮傚父
+ */
+ public static String writeBytes(byte[] data, String uploadDir) throws IOException
+ {
+ FileOutputStream fos = null;
+ String pathName = "";
+ try
+ {
+ String extension = getFileExtendName(data);
+ pathName = DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + extension;
+ File file = FileUploadUtils.getAbsoluteFile(uploadDir, pathName);
+ fos = new FileOutputStream(file);
+ fos.write(data);
+ }
+ finally
+ {
+ IOUtils.close(fos);
+ }
+ return FileUploadUtils.getPathFileName(uploadDir, pathName);
}
/**
@@ -91,8 +116,7 @@
// 璺緞涓烘枃浠朵笖涓嶄负绌哄垯杩涜鍒犻櫎
if (file.isFile() && file.exists())
{
- file.delete();
- flag = true;
+ flag = file.delete();
}
return flag;
}
@@ -172,7 +196,6 @@
*
* @param response 鍝嶅簲瀵硅薄
* @param realFileName 鐪熷疄鏂囦欢鍚�
- * @return
*/
public static void setAttachmentResponseHeader(HttpServletResponse response, String realFileName) throws UnsupportedEncodingException
{
@@ -186,7 +209,9 @@
.append("utf-8''")
.append(percentEncodedFileName);
+ response.addHeader("Access-Control-Expose-Headers", "Content-Disposition,download-filename");
response.setHeader("Content-disposition", contentDispositionValue.toString());
+ response.setHeader("download-filename", percentEncodedFileName);
}
/**
@@ -200,4 +225,67 @@
String encode = URLEncoder.encode(s, StandardCharsets.UTF_8.toString());
return encode.replaceAll("\\+", "%20");
}
+
+ /**
+ * 鑾峰彇鍥惧儚鍚庣紑
+ *
+ * @param photoByte 鍥惧儚鏁版嵁
+ * @return 鍚庣紑鍚�
+ */
+ public static String getFileExtendName(byte[] photoByte)
+ {
+ String strFileExtendName = "jpg";
+ if ((photoByte[0] == 71) && (photoByte[1] == 73) && (photoByte[2] == 70) && (photoByte[3] == 56)
+ && ((photoByte[4] == 55) || (photoByte[4] == 57)) && (photoByte[5] == 97))
+ {
+ strFileExtendName = "gif";
+ }
+ else if ((photoByte[6] == 74) && (photoByte[7] == 70) && (photoByte[8] == 73) && (photoByte[9] == 70))
+ {
+ strFileExtendName = "jpg";
+ }
+ else if ((photoByte[0] == 66) && (photoByte[1] == 77))
+ {
+ strFileExtendName = "bmp";
+ }
+ else if ((photoByte[1] == 80) && (photoByte[2] == 78) && (photoByte[3] == 71))
+ {
+ strFileExtendName = "png";
+ }
+ return strFileExtendName;
+ }
+
+ /**
+ * 鑾峰彇鏂囦欢鍚嶇О /profile/upload/2022/04/16/ruoyi.png -- ruoyi.png
+ *
+ * @param fileName 璺緞鍚嶇О
+ * @return 娌℃湁鏂囦欢璺緞鐨勫悕绉�
+ */
+ public static String getName(String fileName)
+ {
+ if (fileName == null)
+ {
+ return null;
+ }
+ int lastUnixPos = fileName.lastIndexOf('/');
+ int lastWindowsPos = fileName.lastIndexOf('\\');
+ int index = Math.max(lastUnixPos, lastWindowsPos);
+ return fileName.substring(index + 1);
+ }
+
+ /**
+ * 鑾峰彇涓嶅甫鍚庣紑鏂囦欢鍚嶇О /profile/upload/2022/04/16/ruoyi.png -- ruoyi
+ *
+ * @param fileName 璺緞鍚嶇О
+ * @return 娌℃湁鏂囦欢璺緞鍜屽悗缂�鐨勫悕绉�
+ */
+ public static String getNameNotSuffix(String fileName)
+ {
+ if (fileName == null)
+ {
+ return null;
+ }
+ String baseName = FilenameUtils.getBaseName(fileName);
+ return baseName;
+ }
}
--
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