实例介绍
【实例简介】
【实例截图】
【核心代码】
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Xml; using MyCinema.Models; namespace MyCinema { public partial class MainForm : Form { Cinema cinema; Dictionary<string, Label> labels = new Dictionary<string, Label>(); int ticket = 0; string key = null; public MainForm() { InitializeComponent(); } /// <summary> /// 窗体加载事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void MainForm_Load(object sender, EventArgs e) { this.lblActor.Text = ""; this.lblDirector.Text = ""; this.lblMovieName.Text = ""; this.lblPrice.Text = ""; this.lblTime.Text = ""; this.lblType.Text = ""; this.lblCalcPrice.Text = ""; this.txtCustomer.Enabled = false; this.cmbDisCount.Enabled = false; this.rdoNormal.Checked = true; cinema = new Cinema(); //初始化放映厅座位 InitSeats(7, 5, tpCinema); cinema.Load(); } /// <summary> /// 初始化放映厅座位 /// </summary> /// <param name="seatRow">行数</param> /// <param name="seatLine">列数</param> /// <param name="tb"></param> private void InitSeats(int seatRow,int seatLine,TabPage tb) { Label label; Seat seat; for (int i = 0; i < seatRow; i ) { for (int j = 0; j < seatLine; j ) { label = new Label(); //设置背景颜色 label.BackColor = Color.Yellow; //设置字体 label.Font = new System.Drawing.Font("宋体", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point,((byte)(134))); //设置尺寸 label.AutoSize = false; label.Size = new System.Drawing.Size(50, 25); //设置座位号 label.Text = (j 1).ToString() "-" (i 1).ToString(); label.TextAlign = ContentAlignment.MiddleCenter; //设置位置 label.Location = new Point(60 (i * 90), 60 (j * 60)); //所有的标签都绑定到同一事件 label.Click = new System.EventHandler(lblSeat_Click); tb.Controls.Add(label); labels.Add(label.Text, label); //实例化一个座位 seat = new Seat((j 1).ToString() "-" (i 1).ToString(), Color.Yellow); //保存的座位集合 cinema.Seats.Add(seat.SeatNum, seat); } } } //选择“继续销售” private void tsmiMovies_Click(object sender, EventArgs e) { //判断放映列表是否为空 if (cinema.Schedule.Items.Count == 0) { cinema.Schedule.LoadItems(); } InitTreeView(); } //选择“获取最新播放列表” private void tsmiNew_Click(object sender, EventArgs e) { cinema.Schedule.LoadItems(); cinema.SoldTickets.Clear(); InitTreeView(); } /// <summary> /// 初始化TreeView控件 /// </summary> private void InitTreeView() { tvMovies.BeginUpdate(); tvMovies.Nodes.Clear(); string movieName = null; TreeNode movieNode = null; foreach (ScheduleItem item in cinema.Schedule.Items.Values) { if (movieName != item.Movie.MovieName) { movieNode = new TreeNode(item.Movie.MovieName); tvMovies.Nodes.Add(movieNode); } TreeNode timeNode = new TreeNode(item.Time); movieNode.Nodes.Add(timeNode); movieName = item.Movie.MovieName; } tvMovies.EndUpdate(); } /// <summary> /// 选择一场电影事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void tvMovies_AfterSelect(object sender, TreeViewEventArgs e) { TreeNode node = tvMovies.SelectedNode; if (node == null) return; if (node.Level != 1) return; key = node.Text; //将详细信息显示 this.lblMovieName.Text = cinema.Schedule.Items[key].Movie.MovieName; this.lblDirector.Text = cinema.Schedule.Items[key].Movie.Director; this.lblActor.Text = cinema.Schedule.Items[key].Movie.Actor; this.lblPrice.Text = cinema.Schedule.Items[key].Movie.Price.ToString(); this.lblTime.Text = cinema.Schedule.Items[key].Time; this.lblType.Text = cinema.Schedule.Items[key].Movie.MovieType.ToString(); this.picMovie.Image = Image.FromFile(cinema.Schedule.Items[key].Movie.Poster); this.lblCalcPrice.Text = ""; //清空座位 ClearSeat(); //遍历该场电影的座位销售情况 foreach (Ticket ticket in cinema.SoldTickets) { foreach (Seat seat in cinema.Seats.Values) { if ((ticket.ScheduleItem.Time == key) &&(ticket.Seat.SeatNum == seat.SeatNum)) { seat.Color = Color.Red; } } } UpdateSeat(); } /// <summary> /// 清空座位 /// </summary> private void ClearSeat() { foreach (Seat seat in cinema.Seats.Values) { seat.Color = Color.Yellow; } } /// <summary> /// 更新座位状态 /// </summary> private void UpdateSeat() { foreach (string key in cinema.Seats.Keys) { labels[key].BackColor = cinema.Seats[key].Color; } } /// <summary> /// 点击一个座位 /// 买票事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void lblSeat_Click(object sender, EventArgs e) { if (String.IsNullOrEmpty(this.lblMovieName.Text)) { MessageBox.Show("您还没选择电影!","提示"); return; } ticket ; try { string seatNum = ((Label)sender).Text.ToString(); string customerName = this.txtCustomer.Text.ToString(); int discount = 0; string type = ""; if (this.rdoStudent.Checked) { type = "student"; if (this.cmbDisCount.Text == null) { MessageBox.Show("请输入折扣数!","提示"); return; } else { discount = int.Parse(this.cmbDisCount.Text); } } else if (this.rdoFree.Checked) { if (String.IsNullOrEmpty(this.txtCustomer.Text)) { MessageBox.Show("请输入赠票者姓名!","提示"); return; } else { type = "free"; } } //调用工厂创建票 Ticket newTicket = TicketFactory.CreateTicket(cinema.Schedule.Items[key], cinema.Seats[seatNum], discount, customerName, type); if (cinema.Seats[seatNum].Color == Color.Yellow) { //打印 DialogResult result; result = MessageBox.Show("是否购买?", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information); if (result == DialogResult.Yes) { cinema.Seats[seatNum].Color = Color.Red; UpdateSeat(); cinema.SoldTickets.Add(newTicket); newTicket.CalcPrice(); lblCalcPrice.Text = newTicket.Price.ToString(); newTicket.Print(); } else if (result == DialogResult.No) { return; } } else { MessageBox.Show("已售出."); } } catch (Exception ex) { MessageBox.Show(ex.ToString()); } } //选择“赠票”时 private void rdoFree_CheckedChanged(object sender, EventArgs e) { this.txtCustomer.Enabled = true; this.cmbDisCount.Enabled = false; this.cmbDisCount.Text = ""; //设置“优惠价” this.lblCalcPrice.Text = "0"; } //选择“学生票”时 private void rdoStudent_CheckedChanged(object sender, EventArgs e) { this.txtCustomer.Enabled = false; this.txtCustomer.Text = ""; this.cmbDisCount.Enabled = true; this.cmbDisCount.Text = "7"; //根据当前选中的电影,设置“优惠价” if(this.lblPrice.Text!="") { int price = int.Parse(this.lblPrice.Text); int discount = int.Parse(this.cmbDisCount.Text); this.lblCalcPrice.Text = (price * discount / 10).ToString(); } } //选择“普通票”时 private void rdoNormal_CheckedChanged(object sender, EventArgs e) { this.cmbDisCount.Enabled = false; this.txtCustomer.Text = ""; this.txtCustomer.Enabled = false; this.cmbDisCount.Text = ""; } private void tsmiExit_Click(object sender, EventArgs e) { //退出时序列化Cinema对象 cinema.Save(); this.Dispose(); } private void tsmiSave_Click(object sender, EventArgs e) { cinema.Save(); } private void MainForm_FormClosing(object sender, FormClosingEventArgs e) { DialogResult close; close = MessageBox.Show("是否保存当前销售状态?", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information); if (close == DialogResult.Yes) { cinema.Save(); } } //选择“不同折扣”下拉列表 private void cmbDisCount_SelectedIndexChanged(object sender, EventArgs e) { //根据当前选中的电影,设置“优惠价” if (this.lblPrice.Text != "") { int price = int.Parse(this.lblPrice.Text); int discount = int.Parse(this.cmbDisCount.Text); this.lblCalcPrice.Text = (price * discount / 10).ToString(); } } } }
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