iOS8之后searchbar cancel 变汉字取消

• (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar {
  searchBar.showsCancelButton = YES;
  for(id cc in [self.searchController.searchBar.subviews[0] subviews])
  {
  if([cc isKindOfClass:[UIButton class]])
  {
  UIButton *btn = (UIButton *)cc;
  [btn setTitle:@"取消" forState:UIControlStateNormal];
  }
  }
  NSLog(@"shuould begin");
  return YES;
  }