.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("|---------------------------------------------|");
 } 
 }
 }
}