//联系人:石虎 QQ:1224614774 昵称:嗡嘛呢叭咪
一、概念:
@interface SHTabBarController : UITabBarController
- (void)viewWillLayoutSubviews{
CGRect tabFrame = self.tabBar.frame; //self.TabBar is IBOutlet of your TabBar
tabFrame.size.height = 80;
tabFrame.origin.y = self.view.frame.size.height - 80;
self.tabBar.frame = tabFrame;
}