使用“递归”算法实现单链表中数据的顺序和逆序输出。对选择的文档进行处理，通过对单链表的函数的调用，实现数据的顺序输出和你序输出。-Using the "recursive" algorithm for single order of the data list and reverse output. Processing the selected document, through a single call to a function list, the order of data outpu