searchBar

    //修改searchBar 占位符 以及输入框颜色

    self.homeSearchBar.barTintColor = [UIColor clearColor];

    UITextField * searchTextField = [[[self.homeSearchBar.subviews firstObject] subviews] lastObject];

    searchTextField.textColor = [UIColor blackColor];

    [searchTextField setValue:[UIColor grayColor] forKeyPath:@"_placeholderLabel.textColor"];

    self.homeSearchBar.backgroundImage = [UIImage new];