一个Google告诉我，您可以使用一些库来执行此操作.如果要在不使用任何库的情况下进行操作，请考虑它们为什么存在，因为您将面临很多工作来复制它们的工作.

A google tells me there are libraries you can use to do this. If you want to do it without using any libraries, consider why they exist, because you will have a lot of work in front of you to duplicate what they do.