mark两篇文章
http://android.toolib.net/reference/java/nio/channels/FileLock.html
http://blog.csdn.net/shijinupc/article/details/7875826
http://bbs.csdn.net/topics/390141118
mark两篇文章
http://android.toolib.net/reference/java/nio/channels/FileLock.html
http://blog.csdn.net/shijinupc/article/details/7875826
http://bbs.csdn.net/topics/390141118