本文实例讲述了C#双向链表
1.函数
打印链表函数Print
注:下面代码中的链表每项都是double类型,如果换做其他的类型或结构,则需要适当修改
/// <summary> /// 打印链表各结点信息 /// </summary> /// <param name="ll"></param> private static void PrintLink edList(Link edList<double> ll, string title = "") { //打印标题 Console.WriteLine(string.Format("-- {0} --", string.IsNullOrWhiteSpace(title) "打印链表" : title)); //逐个结点打印链表Link edListNode<double> lln = ll.First; int counter = 0; while (lln != null) { Console.WriteLine(string.Format("第 {0} 个结点值为 {1}", counter++, lln.Value.ToString("#0.0"))); lln = lln.Next; } } /// <summary> /// 返回一个排序后的链表 /// </summary> /// <param name="link edlist">待排序链表</param> /// <param name="isAsc">true:升序/false:降序</param> /// <returns></returns> private staticLink edList<double> SortLink edList(Link edList<double>link edlist, bool isAsc = true) {Link edList<double> result = newLink edList<double>(); foreach (double nodevalue inlink edlist) {Link edListNode<double> lln = result.First; while (true) { if (isAsc) //升序排列时情况 { if (lln == null) { result.AddLast(nodevalue); break; } else if (nodevalue <= lln.Value) { result.AddBefore(lln, nodevalue); break; } else { lln = lln.Next; } } else //降序排列时情况 { if (lln == null) { result.AddLast(nodevalue); break; } else if (nodevalue >= lln.Value) { result.AddBefore(lln, nodevalue); break; } else { lln = lln.Next; } } } } return result; }
2.Main函数调用
static void Main(string[] args) { //测试用数组 double[] array = new double[] { 3.5, 2.5, 6.2, 8.0, 1.3, 4.6, 5.5, 2.7, 8.4, 9.7 }; //生成链表llLink edList<double> ll = newLink edList<double>(); for (int i = 1; i < array.Length; i++) { ll.AddLast(array[i]); } //打印链表ll PrintLink edList(ll, "原链表"); //对链表ll进行排序(升序) ll = SortLink edList(ll); //打印排序后的链表ll PrintLink edList(ll, "链表(升序)"); //对链表ll进行排序(降序) ll = SortLink edList(ll, false); //打印排序后的链表ll PrintLink edList(ll, "链表(降序)"); Console.ReadLine(); }
3.运行结果:
希望本文所述对大家的C#程序设计有所帮助。