标签：
Swap(LinkNode low,LinkNode high) //交换两个结点
{
low->prior->next = high;
high->prior = low->prior;
high->next->prior = low;
low->next = high->next;
high->next = low;
low->prior = high;
}
标签：
原文地址：http://www.cnblogs.com/zhizhan/p/4962964.html
