init

2025-06-30 16:24:20 +08:00
commit 68de5eb048
454 changed files with 56921 additions and 0 deletions
@@ -0,0 +1,158 @@
+class TencentUtils{
+  static bool isTextNotEmpty(String? text){
+    return text != null && text.isNotEmpty;
+  }
+
+  static String? checkString(String? text){
+    return (text != null && text.isEmpty) ? null : text;
+  }
+
+  static String? checkStringWithoutSpace(String? text){
+    if (text == null || text.trim().isEmpty || text.contains(' ')) {
+      return null;
+    }
+    return text;
+  }
+
+  static String getFileType(String fileType) {
+    switch (fileType) {
+      case "3gp":
+        return "video/3gpp";
+      case "torrent":
+        return "application/x-bittorrent";
+      case "kml":
+        return "application/vnd.google-earth.kml+xml";
+      case "gpx":
+        return "application/gpx+xml";
+      case "asf":
+        return "video/x-ms-asf";
+      case "avi":
+        return "video/x-msvideo";
+      case "bin":
+      case "class":
+      case "exe":
+        return "application/octet-stream";
+      case "bmp":
+        return "image/bmp";
+      case "c":
+        return "text/plain";
+      case "conf":
+        return "text/plain";
+      case "cpp":
+        return "text/plain";
+      case "doc":
+        return "application/msword";
+      case "docx":
+        return "application/vnd.openxmlformats-officedocument.wordprocessingml.document";
+      case "xls":
+      case "csv":
+        return "application/vnd.ms-excel";
+      case "xlsx":
+        return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
+      case "gif":
+        return "image/gif";
+      case "gtar":
+        return "application/x-gtar";
+      case "gz":
+        return "application/x-gzip";
+      case "h":
+        return "text/plain";
+      case "htm":
+        return "text/html";
+      case "html":
+        return "text/html";
+      case "jar":
+        return "application/java-archive";
+      case "java":
+        return "text/plain";
+      case "jpeg":
+        return "image/jpeg";
+      case "jpg":
+        return "image/jpeg";
+      case "js":
+        return "application/x-javascript";
+      case "log":
+        return "text/plain";
+      case "m3u":
+        return "audio/x-mpegurl";
+      case "m4a":
+        return "audio/mp4a-latm";
+      case "m4b":
+        return "audio/mp4a-latm";
+      case "m4p":
+        return "audio/mp4a-latm";
+      case "m4u":
+        return "video/vnd.mpegurl";
+      case "m4v":
+        return "video/x-m4v";
+      case "mov":
+        return "video/quicktime";
+      case "mp2":
+        return "audio/x-mpeg";
+      case "mp3":
+        return "audio/x-mpeg";
+      case "mp4":
+        return "video/mp4";
+      case "mpc":
+        return "application/vnd.mpohun.certificate";
+      case "mpe":
+        return "video/mpeg";
+      case "mpeg":
+        return "video/mpeg";
+      case "mpg":
+        return "video/mpeg";
+      case "mpg4":
+        return "video/mp4";
+      case "mpga":
+        return "audio/mpeg";
+      case "msg":
+        return "application/vnd.ms-outlook";
+      case "ogg":
+        return "audio/ogg";
+      case "pdf":
+        return "application/pdf";
+      case "png":
+        return "image/png";
+      case "pps":
+        return "application/vnd.ms-powerpoint";
+      case "ppt":
+        return "application/vnd.ms-powerpoint";
+      case "pptx":
+        return "application/vnd.openxmlformats-officedocument.presentationml.presentation";
+      case "prop":
+        return "text/plain";
+      case "rc":
+        return "text/plain";
+      case "rmvb":
+        return "audio/x-pn-realaudio";
+      case "rtf":
+        return "application/rtf";
+      case "sh":
+        return "text/plain";
+      case "tar":
+        return "application/x-tar";
+      case "tgz":
+        return "application/x-compressed";
+      case "txt":
+        return "text/plain";
+      case "wav":
+        return "audio/x-wav";
+      case "wma":
+        return "audio/x-ms-wma";
+      case "wmv":
+        return "audio/x-ms-wmv";
+      case "wps":
+        return "application/vnd.ms-works";
+      case "xml":
+        return "text/plain";
+      case "z":
+        return "application/x-compress";
+      case "zip":
+        return "application/x-zip-compressed";
+      default:
+        return "*/*";
+    }
+  }
+
+
+}