iOS 获取WKWebView屏幕显示内容的截图

 

- (UIImage *)createImageWithView:(UIView *)view {
    CGSize s = view.bounds.size;
    UIGraphicsBeginImageContextWithOptions(s, YES,[UIScreen mainScreen].scale);
    [view.layer renderInContext:UIGraphicsGetCurrentContext()];
    [view drawViewHierarchyInRect:view.bounds afterScreenUpdates:YES];
    UIImage*image = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    return image;
}