IComparer接口示例代码
定义学生类。
public class Student{ public string Name { get; set; } public string Sex { get; set; } public int Age { get; set; }}自定义比较器AgeComparer，实现接口IComparer<Student>，对学生年龄进行比较。
public class AgeComparer:IComparer<Student>{ public int Compare(Student x, Student y) { return x.Age.CompareTo(y.Age); }}自定义比较器NameComparer，实现接口IComparer<Student>，对学生姓名进行比较。
public class NameComparer:IComparer<Student>{ public int Compare(Student x, Student y) { return x.Name.CompareTo(y.Name); }}调用List<T>.Sort方法实现stuList按照学生的年龄与姓名排序。
static void Main(string[] args){ List<Student> stuList = new List<Student>(); stuList.Add(new Student() { Name = "aki", Sex = "Man", Age = 18 }); stuList.Add(new Student() { Name = "cki", Sex = "Woman", Age = 20 }); stuList.Add(new Student() { Name = "dki", Sex = "Woman", Age = 16 }); stuList.Add(new Student() { Name = "bki", Sex = "Man", Age = 21 }); stuList.Add(new Student() { Name = "fki", Sex = "Woman", Age = 19 }); stuList.Sort(new AgeComparer()); Console.WriteLine("按照年龄排序："); foreach (Student stu in stuList) { Console.WriteLine("Name=" + stu.Name + ";Sex=" + stu.Sex + ";Age=" + stu.Age); } stuList.Sort(new NameComparer()); Console.WriteLine(); Console.WriteLine("按照名称排序："); foreach (Student stu in stuList) { Console.WriteLine("Name=" + stu.Name + ";Sex=" + stu.Sex + ";Age=" + stu.Age); }}代码执行结果如下。
