头文件： 

@interface MyAlertViewViewController : UIViewController<UIAlertViewDelegate> { 

} 

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex; 

-(IBAction) buttonPressed; 

@end

源文件： 

-(IBAction) buttonPressed 

{ 

UIAlertView*alert = [[UIAlertView alloc]initWithTitle:@"提示" 

message:@"请选择一个按钮：" 

delegate:self 

cancelButtonTitle:@"取消" 

otherButtonTitles:@"按钮一", @"按钮二", @"按钮三",nil]; 

[alert show];

}  

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex 

{

NSString* msg = [[NSString alloc] initWithFormat:@"您按下的第%d个按钮！",buttonIndex]; 

UIAlertView* alert = [[UIAlertView alloc]initWithTitle:@"提示" 

message:msg 

delegate:nil 

cancelButtonTitle:@"确定" 

otherButtonTitles:nil];  

[alert show]; 

}

UIAlertView笔记