看见网上有很多人提出不知道如何实现Jsp的分页勾选状态的保存，所以自己小小做了一下，先声明，这只是提供给低级应用，高手不要见笑。-See online there are many who do not know how to achieve paging jsp check the state of preservation, so little done about their first statement, this is only available to low-level appl