文件目录
├──1-mycat1.mp4 346.26M
├──2-mycat2.mp4 326.10M
├──3-mycat3.mp4 357.45M
├──4-mycat4.mp4 430.32M
├──5-mycat5.mp4 1.24G
├──6-mycat6.mp4 1.56G
├──7-sharding-jdbc1.mp4 1.19G
├──8-sharding-jdbc2.mp4 1.26G
├──9-sharding-jdbc3.mp4 1.15G
├──10-sharding-jdbc4.mp4 1.60G
├──11-sharding-jdbc5.mp4 784.78M
└──12-sharding-jdbc6.mp4 1.21G