ios 获取硬件信息， 很详细，包括，cpu，电池，硬盘空间等。-ios obtain hardware information, very detailed, including, cpu, battery, hard disk space, etc.

一个简单的课程表demo 供大家交流学习 如果看不懂，请自行放弃，好好学点其他的-This is a simple timetable Demo i want to it can communicate with you if you cant see it clearly please give up and study hard