kechengshanchu.cs

StudentScoreMag2qwuahgoaaodfoaghojafo

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Runtime.Serialization;//序列化用
using System.Runtime.Serialization.Formatters.Binary;//序列化
using   System.IO; //写文件用


namespace WindowsApplication1
{
	/// <summary>
	/// Kechengshanchu 的摘要说明。
	/// </summary>
	public class Kechengshanchu : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Button button3;
		public int k,j,i,n=0;
		public Socre[] stu=new Socre[100];
		private System.Windows.Forms.PictureBox pictureBox1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Kechengshanchu()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Kechengshanchu));
			this.label1 = new System.Windows.Forms.Label();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.button3 = new System.Windows.Forms.Button();
			this.pictureBox1 = new System.Windows.Forms.PictureBox();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 8);
			this.label1.Name = "label1";
			this.label1.TabIndex = 0;
			this.label1.Text = "课程号：";
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(56, 48);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(136, 21);
			this.textBox1.TabIndex = 1;
			this.textBox1.Text = "textBox1";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(16, 96);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(112, 32);
			this.button1.TabIndex = 2;
			this.button1.Text = "删除";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(16, 152);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(112, 32);
			this.button2.TabIndex = 3;
			this.button2.Text = "保存";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// button3
			// 
			this.button3.Location = new System.Drawing.Point(8, 208);
			this.button3.Name = "button3";
			this.button3.Size = new System.Drawing.Size(120, 32);
			this.button3.TabIndex = 4;
			this.button3.Text = "退出";
			this.button3.Click += new System.EventHandler(this.button3_Click);
			// 
			// pictureBox1
			// 
			this.pictureBox1.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("pictureBox1.BackgroundImage")));
			this.pictureBox1.Location = new System.Drawing.Point(168, 96);
			this.pictureBox1.Name = "pictureBox1";
			this.pictureBox1.Size = new System.Drawing.Size(100, 144);
			this.pictureBox1.TabIndex = 5;
			this.pictureBox1.TabStop = false;
			// 
			// Kechengshanchu
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackColor = System.Drawing.SystemColors.Info;
			this.ClientSize = new System.Drawing.Size(292, 273);
			this.Controls.Add(this.pictureBox1);
			this.Controls.Add(this.button3);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.label1);
			this.Name = "Kechengshanchu";
			this.Text = "课程删除";
			this.Load += new System.EventHandler(this.Kechengshanchu_Load);
			this.ResumeLayout(false);

		}
		#endregion

		private void button3_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			string Filename=System.IO .Directory.GetCurrentDirectory ();//获取应用程序的当前工作目录;	
			Filename+="\\data\\studentkecheng_data.bin";//设置路径文件为应用程序的当前工作目录(即bin\debug\)下的DATA目录下的student_data.bin;
			//if(saveFileDialog1.ShowDialog ()==DialogResult.OK && saveFileDialog1.FileName !="" )
			//	Filename=saveFileDialog1.FileName;使用对话框时用


			BinaryFormatter  formatter = new BinaryFormatter();
			//Stream stream = new FileStream("e:\\he\\MyFile.bin", FileMode.Create, FileAccess.Write, FileShare.None);
			Stream stream = new FileStream(Filename, FileMode.Create, FileAccess.Write, FileShare.None);
			formatter.Serialize(stream, n );
			for(i=0;i<n;i++)
				formatter.Serialize (stream,stu[i]);
			stream.Close();
			MessageBox.Show ("恭喜已经保存了！");
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			string Filename=System.IO .Directory.GetCurrentDirectory ();//获取应用程序的当前工作目录;	
			Filename+="\\data\\studentkecheng_data.bin";//设置路径文件为应用程序的当前工作目录(即bin\debug\)下的DATA目录下的student_data.bin;
			//反序列化:
			IFormatter formatter = new BinaryFormatter();
			Stream stream=File.OpenRead (Filename);//打开文件
			n=(int)formatter.Deserialize(stream);
			stu=new Socre [n];
			for( i=0; i<stu.Length ;i++)
			{
				stu[i]=(Socre)formatter.Deserialize (stream);
			}
			i=0;		
			stream.Close();
			for(i=0;i<stu.Length ;i++)
				if(textBox1.Text==stu[i].kch)
				{
					for(j=i;j<stu.Length-1;j++)
						stu[j]=stu[j+1];
					MessageBox.Show("该同学的信息已被删除.");
					break;	
				}
			n--;
			if(i>=stu.Length)
				MessageBox.Show ("对不起！该学生不存在。");

		}

		private void Kechengshanchu_Load(object sender, System.EventArgs e)
		{
		
		}
	}
}