文件名编码迁移至工具类

ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java

@@ -5,6 +5,9 @@ import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import javax.servlet.http.HttpServletRequest;
 
 /**
  * 文件处理工具类
@@ -100,4 +103,40 @@ public class FileUtils
     {
         return filename.matches(FILENAME_PATTERN);
     }
+
+    /**
+     * 下载文件名重新编码
+     * 
+     * @param request 请求对象
+     * @param fileName 文件名
+     * @return 编码后的文件名
+     */
+    public static String setFileDownloadHeader(HttpServletRequest request, String fileName)
+            throws UnsupportedEncodingException
+    {
+        final String agent = request.getHeader("USER-AGENT");
+        String filename = fileName;
+        if (agent.contains("MSIE"))
+        {
+            // IE浏览器
+            filename = URLEncoder.encode(filename, "utf-8");
+            filename = filename.replace("+", " ");
+        }
+        else if (agent.contains("Firefox"))
+        {
+            // 火狐浏览器
+            filename = new String(fileName.getBytes(), "ISO8859-1");
+        }
+        else if (agent.contains("Chrome"))
+        {
+            // google浏览器
+            filename = URLEncoder.encode(filename, "utf-8");
+        }
+        else
+        {
+            // 其它浏览器
+            filename = URLEncoder.encode(filename, "utf-8");
+        }
+        return filename;
+    }
 }