UIView,UILabel,UIButton,

//宏

#define WIDTH self.window.frame.size.width

#define HEIGTH self.window.frame.size.height

//断行模式

//阴影和阴影颜色

//lable.shadowColor=[UIColor yellowColor];

//阴影大小

//lable.shadowOffset=CGSizeMake(2, 1);

//currentTitle获取当前按钮的标题

//self.alterView=[[UIAlertView alloc] initWithTitle:@"测试" message:@"看看效果" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"恩", nil];

// //让alterview中出现textfield

//    

//self.alterView.alertViewStyle=UIAlertViewStyleLoginAndPasswordInput;

// self.alterView show];