C#实现汽车租赁系统项目

 using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; //父类变量和方法 namespace 汽车租赁系统 { public class Inheritance { public Inheritance() { } public Inheritance(string color,double everydaymoney,string no,string name,int rentdate,string load,string rentuser,int services) { this.Color = color; this.EverydayMoney = everydaymoney; this.No = no; this.Name = name; this.RentDate = rentdate; this.Load = load; this.RentUser = rentuser; this.Services = services; } public string Color { get; set; } public double EverydayMoney { get; set; } public string No { get; set; } public string Name { get; set; } public int RentDate { get; set; } public string Load { get; set; } public string RentUser { get; set; } public int Services { get; set; } //父类计算租金方法 public virtual double Vehicle() { double rentMoney; rentMoney = this.RentDate * this.EverydayMoney; return rentMoney; } } }

 using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace 汽车租赁系统 { public class Car:Inheritance { public Car() { } public Car( string color,double everydaymoney,string no,string name,int rentdate,string load,string rentuser,int services) :base(color,everydaymoney,no,name ,rentdate,load,rentuser,services) { } //省略重写汽车计算价格方法 } }

 using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace 汽车租赁系统 { public class Truck:Inheritance { public Truck() { } public Truck( string color,double everydaymoney,string no,string name,int rentdate,string load, string rentuser,int services) :base(color,everydaymoney,no,name ,rentdate,load,rentuser,services) { } //省略重写卡车计算方法 } }

 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace 汽车租赁系统 { public partial class Main : Form { public Main() { InitializeComponent(); } Inheritance inheri = new Inheritance(); //保存未租车的集合 Dictionary rentDic = new Dictionary(); //保存已租车的集合 Dictionary rentedDic = new Dictionary(); //将未租车集合绑定到listview容器中 //将数据绑定到listview容器上 public void BangDing(ListView listview,Dictionary dic) { listview.FullRowSelect = true; ListViewItem items; listview.Items.Clear(); foreach (Inheritance item in dic.Values) { items = new ListViewItem(); items.Text = item.No; items.SubItems.Add(item.Name); items.SubItems.Add(item.Color); items.SubItems.Add(item.Services.ToString()); items.SubItems.Add(item.EverydayMoney.ToString()); items.SubItems.Add(item.Load); listview.Items.Add(items); } } //进行未租车集合初始化 public void AddRent() { Car car1 = new Car("黑色", 100, "001", "奥迪", 0, "无","",3); Car car2 = new Car("黑色", 100, "002", "奥迪", 0, "无","",3); Truck truck1 = new Truck("红色", 200, "A001", "一汽", 0, "20","",6); rentDic.Add(car1.No, car1); rentDic.Add(car2.No, car2); rentDic.Add(truck1.No, truck1); } //显示未租车信息 private void button2_Click(object sender, EventArgs e) { BangDing(listView1,rentDic); } private void Main_Load(object sender, EventArgs e) { AddRent(); } //进行租车操作 private void button1_Click(object sender, EventArgs e) { string key = this.listView1.SelectedItems[0].Text; rentDic[key].RentUser = this.textBox1.Text; rentedDic.Add(rentDic[key].No,rentDic[key]); if (rentDic.ContainsKey(key)) { rentDic.Remove(key); } BangDing(listView1,rentDic); MessageBox.Show("已出租"); } private void button4_Click(object sender, EventArgs e) { BangDing(listView2,rentedDic); } //进行还车结算 public void JieSuan() { string key = this.listView2.SelectedItems[0].Text; rentedDic[key].RentDate = Convert.ToInt32(this.textBox2.Text); rentDic.Add(rentedDic[key].No,rentedDic[key]); double rentMoney = rentedDic[key].Vehicle(); if (rentedDic.ContainsKey(key)) { rentedDic.Remove(key); } BangDing(listView2,rentedDic); MessageBox.Show("租金为：",rentMoney.ToString()); } private void button5_Click(object sender, EventArgs e) { JieSuan(); } //新车入库操作 private void button6_Click(object sender, EventArgs e) { string no = this.textBox3.Text; string name = this.textBox4.Text; string color = this.textBox5.Text; int services = Convert.ToInt32(this.textBox6.Text); double renteverydaymoney = Convert.ToInt32(this.textBox7.Text); string load = this.textBox8.Text; //进行类型判断 if (load=="无") { inheri = new Car(color,renteverydaymoney,no,name,0,load,"",services); } else { inheri = new Truck(color,renteverydaymoney,no,name,0,load,"",services); } rentDic.Add(inheri.No,inheri); MessageBox.Show("添加成功","提示",MessageBoxButtons.OK,MessageBoxIcon.Error); //进行文本清空操作 foreach (TabPage page in tabControl1.TabPages) { foreach (Control control in page.Controls) { if (control is TextBox) { control.Text=""; } } } } } }