java nio，

java nio，

java nio
http://www.iteye.com/magazines/132-Java-NIO#579

https://blog.csdn.net/caohongshuang/article/details/79455391


https://www.cnblogs.com/charlesblc/p/6072827.html

https://www.cnblogs.com/pony1223/p/8179804.html