此文件是有关线性表顺序存储结构上所有功能的实现，例如构造空表、销毁或重置、元素个数、插入以及删除、返回值的实现等。-This file is the linear table stored in the order structure all functions are implemented, such as empty table structure, destroyed, or reset, the number of elements, insert, and delete, the r