C#按照List属性值排序

最新推荐文章于 2025-06-05 20:23:41 发布

转载最新推荐文章于 2025-06-05 20:23:41 发布 · 618 阅读

文章标签：

#list #c# #string #出版 #class #object

C# 专栏收录该内容

15 篇文章

订阅专栏

本文介绍了一种使用自定义比较器对图书列表进行排序的方法，包括按书名升序和价格升序排列。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

protected void btnSort_Click(object sender, EventArgs e)
 {
 List<Book> list = new List<Book>();
 Book b1, b2, b3, b4;
 b1 = new Book("《绝代双骄》", "古龙", "中国长安出版社", 50);
 b2 = new Book("《鹿鼎记》", "金庸", "人民文学出版社", 120);
 b3 = new Book("《三国演义》", "罗贯中", "中州古籍出版社", 200);
 b4 = new Book("《西游记》", "吴承恩", "晨光出版社", 80);
 list.Add(b1);
 list.Add(b2);
 list.Add(b3);
 list.Add(b4);

 //按书名升序
 Response.Write("/////////////按书名升序///////////// ");
 list.Sort(new Icp());
 foreach (Book book in list)
 {
 Response.Write(book.Name + book.Author + book.Publisher + book.Price + " ");
 }
 Response.Write("//////////////////////////////////// ");

 //按价格降序序
 Response.Write("/////////////按价格升序///////////// ");
 list.Sort(new IcpPrice());
 foreach (Book book in list)
 {
 Response.Write(book.Name + book.Author + book.Publisher + book.Price + " ");
 }

 }
==============================================================
public class Book
{
 public Book(string inname, string inauthor, string inpublisher, int inprice)
 {
 this.Name = inname;
 this.Author = inauthor;
 this.Publisher = inpublisher;
 this.Price = inprice;
 }

 private string name;

 public string Name
 {
 get { return name; }
 set { name = value; }
 }
 private string author;

 public string Author
 {
 get { return author; }
 set { author = value; }
 }
 private string publisher;

 public string Publisher
 {
 get { return publisher; }
 set { publisher = value; }
 }
 private int price;

 public int Price
 {
 get { return price; }
 set { price = value; }
 }
}

//比较器类
public class Icp : IComparer<Book>
{
 //按书名排序
 public int Compare(Book x, Book y)
 {
 return x.Name.CompareTo(y.Name);
 }
}

public class IcpPrice : IComparer<Book>
{
 //按价格排序
 public int Compare(Book x, Book y)
 {
 return x.Price.CompareTo(y.Price);
 }
}