#pragma mark - UISearchBarDelegate 搜索框的代理方法

- (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar

{

[searchBar setShowsCancelButton:YES animated:YES];

for (id obj in [searchBar.subviews[0] subviews]) {

if ([obj isKindOfClass:NSClassFromString(@"UINavigationButton")]) {

UIButton *cancleButton = (UIButton *)obj;

[cancleButton setTitle:@"取消" forState:UIControlStateNormal];

}

}

}