本文实例讲述了C#中list用法。分享给大家供大家参考，具体如下：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
protected void Page_Load(object sender, EventArgs e){ List<string> studentNames = new List<string>(); studentNames.Add("John"); studentNames.Add("Mary"); studentNames.Add("Rose"); //显示各元素 foreach (string item in studentNames) { Response.Write(item); Response.Write("<br/>"); } Response.Write("<br/><br/>"); //List转换成符号分隔字符串 string studentAllName = string.Join(",", studentNames.ToArray()); Response.Write(studentAllName); Response.Write("<br/><br/>"); List<decimal> studentScore = new List<decimal>(); studentScore.Add(100); studentScore.Add(98); studentScore.Add(59); //排序 studentScore.Sort(); //反转排序 studentScore.Reverse(); //显示各元素 foreach (decimal score in studentScore) { Response.Write(score); Response.Write("<br/>"); } //总计SUM Response.Write("总分" + studentScore.Sum()); Response.Write("<br/>"); //List中是否存在 Response.Write(studentScore.Exists(MatchPRE)); Response.Write("<br/><br/>"); //List转换成JSon List<Student> list = new List<Student>(); for (int i = 0; i < 5; i++) { Student a = new Student(); a.Name = "张三" + i; a.Age = i; a.Sex = "男"; list.Add(a); } string json = new System.Web.Script.Serialization.JavaScriptSerializer().Serialize(list); Response.Write(json); Response.Write("<br/><br/>");}private static bool MatchPRE(decimal p)//条件匹配函数，list1中每个元素都会传入P中 //匹配后函数返回{ if (p == 100)//此句为匹配条件，如果匹配，返回，你可以随意更改成你想要的值 return true; else { return false; }}public struct Student{ public string Name; public int Age; public string Sex;} |
希望本文所述对大家C#程序设计有所帮助。
