遍历子视图中某个类型控件方法

NSMutableArray *textFieldArray = [NSMutableArray arrayWithCapacity:5];for(UIView *textFieldinself.view.subviews) {if([textField isKindOfClass:[UITextFieldclass]]) {

[textFieldArray addObject:textField];

}

}

用isKindOfClass判断指定类型