我想在操作表上单击cancelButtonTitle：时清除所有文本字段；
这是我的操作表代码：
- (IBAction)cancelButtonPressed:(id)sender {
UIActionSheet *actionSheet = [[UIActionSheet alloc]
initWithTitle:@"Are you sure?"
delegate:self
cancelButtonTitle:@"No Way!"
destructiveButtonTitle:@"Yes, I’m Sure!"
otherButtonTitles:nil];
[actionSheet showInView:self.view];
}
也许您尚未实现UIActionSheet委托：
#pragma mark - UIActionSheetDelegate
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
if (buttonIndex == actionSheet.cancelButtonIndex) {
//Clear textfiled at here
self.firstNameField.text = @"";
}
else{
//Do somethings for @"Yes, I’m Sure!"
}
}
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