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我现在尝试是这样的:如何将UISerachBar添加到UIToolBar?
UISearchBar *searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0, 0, 320, 44)];
UIViewController *searchBarContainer = [[UIViewController alloc] initWithFrame:searchBar.frame];
[searchBarContainer addSubview:searchBar];
NSArray* buttons = [NSArray arrayWithObjects:fixed, searchBarContainer, nil];
[detailToolbar setItems:buttons animated:NO];