说明：  这是一个对操作系统中分页技术的模拟，给出一定的页架的大小，不断装载新的作业，也可以删除作业，可以实现虚拟地址和实际地址的映射，我自己写的
(This is an operating system paging technology simulation, given a certain frame of the page size, loading the new operating continuously, it can be deleted, you can achieve a virtual address and physical address mapping, I wrote it myself)