UIAlertView 多个输入框的使用

转自：http://www.lxway.com/4421915526.htm；

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"请输入口令" message:@"" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定",nil];
[alert setAlertViewStyle:UIAlertViewStyleSecureTextInput];
[alert show];

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
UITextField *txt = [alertView textFieldAtIndex:0];

}