studentscore3.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>
	/// Studentscore3 的摘要说明。
	/// </summary>
	public class Studentscore3 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button3;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.TextBox textBox3;
		public int i,n=0,j=0;//记录个数
		public Subject[] stu=new Subject [100];
		private System.Windows.Forms.PictureBox pictureBox1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Studentscore3()
		{
			//
			// 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(Studentscore3));
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.button1 = new System.Windows.Forms.Button();
			this.button3 = new System.Windows.Forms.Button();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.textBox3 = new System.Windows.Forms.TextBox();
			this.pictureBox1 = new System.Windows.Forms.PictureBox();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(16, 16);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(64, 23);
			this.label1.TabIndex = 0;
			this.label1.Text = "学号：";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 56);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(64, 23);
			this.label2.TabIndex = 1;
			this.label2.Text = "课程号：";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(16, 96);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(64, 23);
			this.label3.TabIndex = 2;
			this.label3.Text = "成绩：";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(16, 240);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(56, 24);
			this.button1.TabIndex = 3;
			this.button1.Text = "添加";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button3
			// 
			this.button3.Location = new System.Drawing.Point(200, 240);
			this.button3.Name = "button3";
			this.button3.Size = new System.Drawing.Size(56, 24);
			this.button3.TabIndex = 5;
			this.button3.Text = "退出";
			this.button3.Click += new System.EventHandler(this.button3_Click);
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(104, 16);
			this.textBox1.Name = "textBox1";
			this.textBox1.TabIndex = 6;
			this.textBox1.Text = "textBox1";
			// 
			// textBox2
			// 
			this.textBox2.Location = new System.Drawing.Point(104, 56);
			this.textBox2.Name = "textBox2";
			this.textBox2.TabIndex = 7;
			this.textBox2.Text = "textBox2";
			// 
			// textBox3
			// 
			this.textBox3.Location = new System.Drawing.Point(104, 96);
			this.textBox3.Name = "textBox3";
			this.textBox3.TabIndex = 8;
			this.textBox3.Text = "textBox3";
			// 
			// pictureBox1
			// 
			this.pictureBox1.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("pictureBox1.BackgroundImage")));
			this.pictureBox1.Location = new System.Drawing.Point(72, 136);
			this.pictureBox1.Name = "pictureBox1";
			this.pictureBox1.Size = new System.Drawing.Size(128, 88);
			this.pictureBox1.TabIndex = 9;
			this.pictureBox1.TabStop = false;
			// 
			// Studentscore3
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackColor = System.Drawing.SystemColors.Info;
			this.ClientSize = new System.Drawing.Size(292, 291);
			this.Controls.Add(this.pictureBox1);
			this.Controls.Add(this.textBox3);
			this.Controls.Add(this.textBox2);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.button3);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.label1);
			this.Name = "Studentscore3";
			this.Text = "学生成绩维护";
			this.ResumeLayout(false);

		}
		#endregion

		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\\studentchengji_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(openFileDialog1.ShowDialog ()==DialogResult.OK && openFileDialog1.FileName !="" )
			//Filename=openFileDialog1.FileName;使用打工对话框时用
			
			//反序列化:
			IFormatter formatter = new BinaryFormatter();
			//Stream stream=File.OpenRead ("e:\\he\\MyFile.bin");//打开文件
			Stream stream1=File.OpenRead (Filename);
			n=(int)formatter.Deserialize(stream1);
			stream1.Close();
			Stream stream=File.OpenWrite (Filename);//打开文件
			stream.Seek (0,SeekOrigin.End );
			stu[i].xh =textBox1.Text ;
			stu[i].kch1=textBox2.Text ;
			stu[i].chj=textBox3.Text ;

			n++;
			for(j=i;j<stu.Length;j++)
				formatter.Serialize (stream,stu[j]);
			stream.Seek (0,SeekOrigin.Begin );//定义到文件开始,以便下面改写结构数组的长度
			formatter.Serialize(stream,n);
			stream.Close();
			textBox1.Text ="" ;
			textBox2.Text ="" ;
			textBox3.Text ="" ;
			textBox1.Focus ();
		}

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