IOS 中弹框的实现方法整理
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#define iOS8Later ([UIDevice currentDevice].systemVersion.doubleValue >= 8.0)
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ios 8以前的弹框
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@interface RootViewController ()<UIAlertViewDelegate>
@end
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UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@ "登陆失败" message:@ "请重新输入用户名和密码" delegate:self cancelButtonTitle:@ "取消" otherButtonTitles:@ "确定" , nil];
[alert show];
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#pragma mark - UIAlertView Delegate Methods -
- ( void )alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
if (buttonIndex == 0)
{
NSLog(@ "点击取消按钮后,想要的操作,可以加此处" );
}
else if (buttonIndex == 1)
{
NSLog(@ "点击确定按钮后,想要的操作,可以加此处" );
}
}
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ios8以后的弹框
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UIAlertController *_alertVC = [UIAlertController alertControllerWithTitle:@ "登陆失败" message:@ "请重新输入用户名和密码" preferredStyle:UIAlertControllerStyleAlert];
//警告类型,红色字体 UIAlertActionStyleDestructive
// UIAlertAction *_doAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDestructive handler:nil];
// [_alertVC addAction:_doAction];
UIAlertAction *_doAction = [UIAlertAction actionWithTitle:@ "确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action)
{
NSLog(@ "点击确定按钮后,想要的操作,可以加此处" );
}];
[_alertVC addAction:_doAction];
// UIAlertAction *_cancleAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
// [_alertVC addAction:_cancleAction];
UIAlertAction *_cancleAction = [UIAlertAction actionWithTitle:@ "取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action)
{
NSLog(@ "点击取消按钮后,想要的操作" );
}];
[_alertVC addAction:_cancleAction];
[self presentViewController:_alertVC animated:YES completion:nil];
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//警告类型,红色字体 UIAlertActionStyleDestructive,如下图所示的效果
UIAlertAction *_doAction = [UIAlertAction actionWithTitle:@ "确定" style:UIAlertActionStyleDestructive handler:nil];
[_alertVC addAction:_doAction];
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原文链接:http://blog.csdn.net/robinson_911/article/details/73470131