content: package org.ruoyi.common.core.utils.file;
  
  /**
   * 媒体类型工具类
   *
   * @author ruoyi
   */
  public class MimeTypeUtils {
      public static final String IMAGE_PNG = "image/png";
  
      public static final String IMAGE_JPG = "image/jpg";
  
      public static final String IMAGE_JPEG = "image/jpeg";
  
      public static final String IMAGE_BMP = "image/bmp";
  
      public static final String IMAGE_GIF = "image/gif";
  
      public static final String[] IMAGE_EXTENSION = {"bmp", "gif", "jpg", "jpeg", "png"};
  
      public static final String[] FLASH_EXTENSION = {"swf", "flv"};
  
      public static final String[] MEDIA_EXTENSION = {"swf", "flv", "mp3", "wav", "wma", "wmv", "mid", "avi", "mpg",
          "asf", "rm", "rmvb"};
  
      public static final String[] VIDEO_EXTENSION = {"mp4", "avi", "rmvb"};
      /**
       * 音频扩展名
       */
      public static final String[] AUDIO__EXTENSION = {"mp3", "mp4", "mpeg", "mpga", "m4a", "wav", "webm"};
  
      public static final String[] DEFAULT_ALLOWED_EXTENSION = {
              // 图片
              "bmp", "gif", "jpg", "jpeg", "png",
              // word excel powerpoint
              "doc", "docx", "xls", "xlsx", "ppt", "pptx", "html", "htm", "txt",
              // 压缩文件
              "rar", "zip", "gz", "bz2",
              // 视频格式
              "mp4", "avi", "rmvb",
              // 音频格式
              "mp3", "mp4", "mpeg", "mpga", "m4a", "wav", "webm",
              // pdf
              "pdf"};
  
  }
  