From aa2ca750c1dd866aa0ce3c5bbe1ceeaed1fa9b5f Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期日, 08 八月 2021 18:52:23 +0800
Subject: [PATCH] 提取通用方法到基类控制器
---
src/main/java/com/ruoyi/common/utils/file/FileUtils.java | 65 +++++++++++++++++++++++++++++++-
1 files changed, 63 insertions(+), 2 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 03f5aa2..dfdf9e9 100644
--- a/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
+++ b/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
@@ -7,7 +7,11 @@
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.apache.commons.lang3.ArrayUtils;
+import com.ruoyi.common.utils.StringUtils;
/**
* 鏂囦欢澶勭悊宸ュ叿绫�
@@ -105,14 +109,37 @@
}
/**
+ * 妫�鏌ユ枃浠舵槸鍚﹀彲涓嬭浇
+ *
+ * @param resource 闇�瑕佷笅杞界殑鏂囦欢
+ * @return true 姝ｅ父 false 闈炴硶
+ */
+ public static boolean checkAllowDownload(String resource)
+ {
+ // 绂佹鐩綍涓婅烦绾у埆
+ if (StringUtils.contains(resource, ".."))
+ {
+ return false;
+ }
+
+ // 妫�鏌ュ厑璁镐笅杞界殑鏂囦欢瑙勫垯
+ if (ArrayUtils.contains(MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION, FileTypeUtils.getFileType(resource)))
+ {
+ return true;
+ }
+
+ // 涓嶅湪鍏佽涓嬭浇鐨勬枃浠惰鍒�
+ return false;
+ }
+
+ /**
* 涓嬭浇鏂囦欢鍚嶉噸鏂扮紪鐮�
*
* @param request 璇锋眰瀵硅薄
* @param fileName 鏂囦欢鍚�
* @return 缂栫爜鍚庣殑鏂囦欢鍚�
*/
- public static String setFileDownloadHeader(HttpServletRequest request, String fileName)
- throws UnsupportedEncodingException
+ public static String setFileDownloadHeader(HttpServletRequest request, String fileName) throws UnsupportedEncodingException
{
final String agent = request.getHeader("USER-AGENT");
String filename = fileName;
@@ -139,4 +166,38 @@
}
return filename;
}
+
+ /**
+ * 涓嬭浇鏂囦欢鍚嶉噸鏂扮紪鐮�
+ *
+ * @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
+ {
+ String percentEncodedFileName = percentEncode(realFileName);
+
+ StringBuilder contentDispositionValue = new StringBuilder();
+ contentDispositionValue.append("attachment; filename=")
+ .append(percentEncodedFileName)
+ .append(";")
+ .append("filename*=")
+ .append("utf-8''")
+ .append(percentEncodedFileName);
+
+ response.setHeader("Content-disposition", contentDispositionValue.toString());
+ }
+
+ /**
+ * 鐧惧垎鍙风紪鐮佸伐鍏锋柟娉�
+ *
+ * @param s 闇�瑕佺櫨鍒嗗彿缂栫爜鐨勫瓧绗︿覆
+ * @return 鐧惧垎鍙风紪鐮佸悗鐨勫瓧绗︿覆
+ */
+ public static String percentEncode(String s) throws UnsupportedEncodingException
+ {
+ String encode = URLEncoder.encode(s, StandardCharsets.UTF_8.toString());
+ return encode.replaceAll("\\+", "%20");
+ }
}
--
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