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结构体

时间:2015-05-27 20:55:20      阅读:123      评论:0      收藏:0      [点我收藏+]

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结构体:
由多种简单类型,组合成一种复杂的类型。使用这种复杂的类型来解决生活中的实际例子。

一、结构体定义:
struct 结构体的名子
  {
    public 类型名 变量名;
    .....
  }
struct Student
  {
    public string NO;
    public string Name;
    public double YuWen;
    public double ShuXue;
    public double WaiYu;
    public double ZongFen;
  }

二、结构体的使用:
1.使用结构体来定义变量
Student s1 = new Student();
2.给结构体变量赋值。
s1.Name = "";
s1.NO = "";
3.给结构体变量取值。
s2.YuWen

三、复杂结构体。
使用结构体类型的成员变量,来组成更大的结构体。
1.先造个小的结构体
2.使用小的结构体来组合成更大的结构体。
struct Student
  {
    public string NO;
    public string Name;
    public ChengJi Score = new ChengJi();
    public LianXiFangShi Contact = new LianXiFangShi():
  }
struct LianXiFangShi
  {  
    public string DianHua;
    public string QQ;
    public string YouXiang;
    public string ZhuZhi;
  }
struct ChengJi
  {
    public double YuWen;
    public double ShuXue;
    public double WaiYu;
    public double ZongFen;
  }
复杂结构体的定义:
Student s1 = new Student();
复杂结构体成员变量的使用。
s1.NO = "s001";
s1.Name = "张三";
s1.Contact.DianHua="18500002222";
s1.Contact.QQ="88888888";
s1.Contact.YouXiang="88888888@qq.com";
s1.Contact.ZhuZhi = "地球";
s1.Score.YuWen=89;
s1.Score.ShuXue=99;
s1.Score.WaiYu=79;
s1.Score.ZongFen = s1.Score.YuWen+s1.Score.ShuXue+s1.Score.WaiYu;

 

结构体应用实例

namespace 结构体_学生信息_
{
  struct student
    {
      public int No;
      public string Name;
      public double Score;
    }

class Program
  {
    static student[] input(student[] s)
    {
      for (int i = 0; i < s.Length; i++)
        {

          Console.WriteLine("输入第" + (i + 1) + "个学生的学号,姓名,c语言分数。以Tab建隔开,以回车结束");
          string info = Console.ReadLine();
          string[] mid = info.Split(‘\t‘);
          s[i].No = Convert.ToInt32(mid[0]);
          s[i].Name = mid[1];
          s[i].Score = Convert.ToDouble(mid[2]);
        }
      return s;

    }


    static void output(student[] s)
    {

      double sum = 0, max = 0, min = 100;
      int[] maxminno = new int[2];
      string[] maxminname = new string[2];
      double[] maxminscore = new double[2];
      for (int i = 0; i < s.Length; i++)
      {
        if (s[i].Score > max)
        {
          maxminno[0] = s[i].No;
          maxminname[0] = s[i].Name;
          maxminscore[0] = s[i].Score;
          max = s[i].Score;
        }    
        if (s[i].Score < min)
        {
          maxminno[1] = s[i].No;
          maxminname[1] = s[i].Name;
          maxminscore[1] = s[i].Score;
          min = s[i].Score;
        }
        sum = sum + s[i].Score;
      }
      Console.WriteLine("本班总分数为:" + sum);
      Console.WriteLine("本班平均分为:" + sum / s.Length);
      Console.WriteLine("本班最高分为:学号" + maxminno[0] + "姓名" + maxminname[0] + "分数" + maxminscore[0]);
      Console.WriteLine("本班最低分为:学号" + maxminno[1] + "姓名" + maxminname[1] + "分数" + maxminscore[1]);

    }
    static void PaiXun(student[] s)
     {
      for (int i = 1; i <= s.Length - 1; i++)
      {
        for (int j = 1; j <= s.Length - i; j++)
        {
          if (s[j].Score > s[j - 1].Score)
           {
            student temp = s[j];
            s[j] = s[j - 1];
            s[j - 1] = temp;

           }
        }
     }
      Console.WriteLine("名次 学号 姓名 成绩");
      for (int i = 0; i < s.Length; i++)
      {
        Console.WriteLine((i + 1) + "\t" + s[i].No + "\t" + s[i].Name + "\t" + s[i].Score);
      }

    }
   static void Main(string[] args)
    {
      student[] s = new student[5];
      s = input(s);
      output(s);
      PaiXun(s);
    }
  }
}

结构体

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原文地址:http://www.cnblogs.com/liujiangping/p/4534255.html

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