LTView

签订UIAlertViewDelegate协议UIAlertView *alert = [[UIAlertView alloc] initWithTitle@"你好" message:@"不好" delegate:nil cancelButtonTItle:@"你猜" otherButtonTitles:@"不知道", nil];// 在提示框上出现输入框,可以设置输入框的样式alert.alertViewStyle = UIAlertViewStyleLoginAndPasswordInput;[alert show];- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {  }