自定义UISearchBar

- (UISearchBar *)searchBar

{

    if (!_searchBar) {

        

        _searchBar = [[UISearchBar alloc]initWithFrame:CGRectMake(0, 0, APP_SCREEN_WIDTH, 44)];

        _searchBar.delegate = self;

        

        _searchBar.placeholder = @"输入名字查找医生";

        _searchBar.backgroundImage = [self imageWithColor:HexRGB(0xebebeb) size:_searchBar.bounds.size];

        

    }

    return _searchBar;

}

//取消searchbar背景色

- (UIImage *)imageWithColor:(UIColor *)color size:(CGSize)size

{

    CGRect rect = CGRectMake(0, 0, size.width, size.height);

    UIGraphicsBeginImageContext(rect.size);

    CGContextRef context = UIGraphicsGetCurrentContext();

    

    CGContextSetFillColorWithColor(context, [color CGColor]);

    CGContextFillRect(context, rect);

    

    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();

    UIGraphicsEndImageContext();

    

    return image;

}