下拉刷新页面http://wangjun.easymorse.com/?p1193//EGORefreshTableHeaderView//EGORefreshTableHeaderD
下拉刷新页面
http://wangjun.easymorse.com/?p=1193
//EGORefreshTableHeaderView//EGORefreshTableHeaderDelegate
//工程加入QuartzCore.framework
//工程加入EGORefreshTableHeaderView.h .m
//实现EGORefreshTableHeaderDelegate