这是一个在系统缺省工具栏上添加按钮的程序，该程序添加了一个链表的菜单，可以实现输入元素，输出链表，删除元素，淸空链表等功能。-This is one of the system's default toolbar button to add the program, which adds a menu Chain, can achieve input element, the output chain and delete elements, and soft air Chain fun

链表的创建以及实现查找、删除、增添节点，读取节点数据的功能-List of creating and implementing search, delete, add nodes, read the function of the node data