代碼如下:
NSArray *views = [[UIDevice currentDevice].systemVersion floatValue] < 7.0?searchBar.subviews:[[searchBar.subviews firstObject] subviews];
for(UIView *subview in views) {
? ? if([subview isKindOfClass:[UITextField class]]) {
? ? ? ? ? ?UITextField *textField = (UITextField*)subview;
? ? ? ? ? ?textField.enablesReturnKeyAutomatically = NO;
? ? ? ? ? ?break;
? ? ? }
}