/多级目录文件创建 /storage/sdcard0/security/upadte/new.apk
				File file = new File(filePath);
				//createFolderandFile(file);
				
				//创建多级文件夹
				File Folder = new File(filePath.substring(0,filePath.lastIndexOf("/")+1));

 boolean sdCardExist = Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED);  <span style="white-space:pre">	</span>  <span style="white-space:pre">	</span>     if(!sdCardExist)  {

<pre name="code" class="java"><span style="white-space:pre">				</span>if(!Folder.exists()){
					Folder.mkdirs();
				}
				if(!file.exists())
				{
					file.exists();
				}

}
				

针对含有多级文件夹时，文件创建