枚举方法查找子类
NSArray * subviews = cell.subviews;
??????? for (id obj in subviews)
??????? {
??????????? BOOL isTextField = [obj isKindOfClass:[UITextField class]];
??????????? if (isTextField)
??????????? {
??????????????? UITextField * tf = (UITextField *)obj;
??????????????? [tf removeFromSuperview];
??????????????? break;
??????????? }?????????? ?
??????? }
??????? for (id obj in subviews)
??????? {
??????????? BOOL isTextField = [obj isKindOfClass:[UITextField class]];
??????????? if (isTextField)
??????????? {
??????????????? UITextField * tf = (UITextField *)obj;
??????????????? [tf removeFromSuperview];
??????????????? break;
??????????? }?????????? ?
??????? }
總結(jié)
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