.NET实现工资管理系统

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks; namespace gongzi{  class Program  {    static bool flag = true;    //工人数    const int NUM = 3;    //定义二维数组    static string[,] gong = new string[NUM, 5];    static void Main(string[] args)    {      Console.Title = "工资管理系统";      jiemian();  //菜单界面      login();   //登录界面      while (flag)      {        caidan(); //菜单界面      }    }    static void jiemian()    {      Console.Clear();      Console.WriteLine("------工资管理系统------");      Console.WriteLine("-----@lijia---2018-4-4-----------");      Console.ReadKey();    }    static void login() //登录界面    {      Console.WriteLine("请输入用户名：");      String username = Console.ReadLine();      Console.WriteLine("请输入密码：");      String password = Console.ReadLine();      if (username == "lijia" && password == "123456")      {        flag = true;//进入菜单界面      }      else      {        Console.WriteLine("对不起，你输入的用户名或者密码错误！请重新输入！");        flag = false;      }    }    static void caidan()    {      Console.Clear();      Console.WriteLine("工资管理系统");      Console.WriteLine("1.工资录入");      Console.WriteLine("2.工资查询");      Console.WriteLine("3.工资修改");      Console.WriteLine("4.工资统计");      Console.WriteLine("0.退出系统");      Console.WriteLine("请输入0-3数字：");      String choice = Console.ReadLine();      switch (choice)      {        case "1":          Console.WriteLine("工资录入");          Inputgongzi(gong,NUM);          Console.ReadKey();          break;        case "2":          Console.WriteLine("工资查询");          Outputgongzi(gong, NUM);          Console.ReadKey();          break;        case "3":          Console.WriteLine("请输入你需要选择的哪种工资的修改：（1基本工资2奖金）");          string temp = string.Empty;          int t = Convert.ToInt32(Console.ReadLine());          switch (t)          {            case 1:              Console.WriteLine("输入您要修改基本工资在二维数组中所在行数(0-2)：");              int t1 = Convert.ToInt32(Console.ReadLine());              temp = gong[t1, 2];              gong[t1, 2] = Console.ReadLine();              sfgz();              break;            case 2:              Console.WriteLine("输入您要修改的奖金在二维数组中所在行数(0-2)：");              int t2 = Convert.ToInt32(Console.ReadLine());              temp = gong[t2, 3];              gong[t2, 3] = Console.ReadLine();              sfgz();              break;          }          break;        case "4":          double a = Convert.ToDouble(gong[0, 4]);          double b = Convert.ToDouble(gong[1, 4]);          double c = Convert.ToDouble(gong[2, 4]);          if (a > b)          {            if (a > c)            {              Console.WriteLine("最高工资:{0}", a);              if (b > c)              {                Console.WriteLine("最低工资:{0}", c);              }              else              {                Console.WriteLine("最低工资:{0}", b);              }            }            else            {              Console.WriteLine("最高工资:{0}", c);            }          }          else          {//a<b            if (b > c)            {              Console.WriteLine("最高工资:{0}", b);              if (a > c)              {                Console.WriteLine("最低工资:{0}", c);              }              else              {                Console.WriteLine("最低工资:{0}", a);              }            }            else//b<c            {              Console.WriteLine("最高工资:{0}", c);              Console.WriteLine("最低工资:{0}", a);             }          }          double pjzhi = (a + b + c) / 3;          Console.WriteLine("工资平均值:{0}", pjzhi);          Console.ReadKey();          break;        case "0":          flag = false;          break;      }     }     static void Inputgongzi(string[,] gong,int NUM)    {      string yuangong = string.Empty;      string[] tmp;      for (int i = 0; i < NUM; i++)      {        Console.WriteLine("请输入第{0}个工人的工号、姓名、基本工资、奖金(以空格分割)：", i + 1);        yuangong = Console.ReadLine();        //分割工人信息        tmp = yuangong.Split(' ');        for (int j = 0; j < tmp.Length; j++)        {          gong[i, j] = tmp[j];                  }        //计算实发工资        double sodeshui = 0;        double sfgz;        double jbgz = Convert.ToDouble(gong[i, 2]);        double jj = Convert.ToDouble(gong[i, 3]);        if ((jbgz + jj) < 5000)        {          sfgz = jbgz + jj - sodeshui;          gong[i, 4] = Convert.ToString(sfgz);        }        else if ((jbgz + jj) < 8000)        {          sodeshui = jbgz * 0.03;        }        else if ((jbgz + jj) < 20000)        {          sodeshui = 3000 * 0.03 + (jbgz - 8000) * 0.15;        }        else if ((jbgz + jj) > 20000)        {          sodeshui = 3000 * 0.03 + 2000 * 0.15 + (jbgz - 20000) * 0.25;        }        //计算实发工资        sfgz = jbgz + jj - sodeshui;        gong[i, 4] = Convert.ToString(sfgz);      }    }     static void sfgz()    {      double sodeshui = 0;      double sfgz;      int i = 0;      double jbgz = Convert.ToDouble(gong[i, 2]);      double jiangjin = Convert.ToDouble(gong[i, 3]);      if ((jbgz + jiangjin) < 5000)      {        sfgz = jbgz + jiangjin - sodeshui;        gong[i, 4] = Convert.ToString(sfgz);      }      else if ((jbgz + jiangjin) < 8000)      {        sodeshui = jbgz * 0.03;      }      else if ((jbgz + jiangjin) < 20000)      {        sodeshui = 3000 * 0.03 + (jbgz - 8000) * 0.15;      }      else if ((jbgz + jiangjin) > 20000)      {        sodeshui = 3000 * 0.03 + 2000 * 0.15 + (jbgz - 20000) * 0.25;      }      //计算实发工资      sfgz = jbgz + jiangjin - sodeshui;      gong[i, 4] = Convert.ToString(sfgz);    }    static void Outputgongzi(string[,] gong, int NUM)    {      Console.WriteLine("-----------工人工资单-------------");      Console.WriteLine("|----------------------------------|");      Console.WriteLine("|工 号|姓  名|基本工资|奖  金|实发工资|");      Console.WriteLine("-----------------------------------|");      for (int i = 0; i < NUM; i++)      {        Console.WriteLine("|{0,5}|{1,8}|{2,8:f2}|{3,8:f2}|{4:8,f2}|", gong[i, 0], gong[i, 1], gong[i, 2], gong[i, 3], gong[i, 4]);        Console.WriteLine("|---------------------------------------------|");      }         }  }}