📄 studentnum.cs
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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;
namespace WindowsApplication1
{
/// <summary>
/// Studentnum 的摘要说明。
/// </summary>
public class Studentnum : System.Windows.Forms.Form
{
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.TextBox textBox3;
public int i,n=0,j=0;//记录个数
public Student[] stu;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null;
public Studentnum()
{
//
// 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()
{
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.label3 = new System.Windows.Forms.Label();
this.textBox2 = new System.Windows.Forms.TextBox();
this.textBox3 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// label1
//
this.label1.Location = new System.Drawing.Point(16, 8);
this.label1.Name = "label1";
this.label1.TabIndex = 0;
this.label1.Text = "学生信息查询";
//
// label2
//
this.label2.Location = new System.Drawing.Point(24, 32);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(256, 24);
this.label2.TabIndex = 1;
this.label2.Text = "请输入你要查询的学生的学号或姓名:";
//
// textBox1
//
this.textBox1.AllowDrop = true;
this.textBox1.AutoSize = false;
this.textBox1.Location = new System.Drawing.Point(40, 80);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(184, 23);
this.textBox1.TabIndex = 2;
this.textBox1.Text = "学生信息查询";
this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged);
//
// label3
//
this.label3.Location = new System.Drawing.Point(32, 128);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(192, 23);
this.label3.TabIndex = 3;
this.label3.Text = "你要查询的学生信息为:";
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(40, 400);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(144, 23);
this.textBox2.TabIndex = 4;
this.textBox2.Text = "textBox2";
this.textBox2.TextChanged += new System.EventHandler(this.textBox2_TextChanged);
//
// textBox3
//
this.textBox3.Location = new System.Drawing.Point(32, 152);
this.textBox3.Multiline = true;
this.textBox3.Name = "textBox3";
this.textBox3.Size = new System.Drawing.Size(184, 104);
this.textBox3.TabIndex = 5;
this.textBox3.Text = "textBox3";
this.textBox3.TextChanged += new System.EventHandler(this.textBox3_TextChanged);
//
// button1
//
this.button1.Location = new System.Drawing.Point(216, 112);
this.button1.Name = "button1";
this.button1.TabIndex = 6;
this.button1.Text = "确定";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(224, 192);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(72, 32);
this.button2.TabIndex = 7;
this.button2.Text = "退出";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// Studentnum
//
this.AutoScaleBaseSize = new System.Drawing.Size(7, 16);
this.BackColor = System.Drawing.SystemColors.Info;
this.ClientSize = new System.Drawing.Size(304, 273);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label3);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Font = new System.Drawing.Font("宋体", 10.5F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.Location = new System.Drawing.Point(200, 400);
this.Name = "Studentnum";
this.Text = "学生信息查询";
this.Load += new System.EventHandler(this.Studentnum_Load);
this.ResumeLayout(false);
}
#endregion
private void textBox2_TextChanged(object sender, System.EventArgs e)
{
}
private void Studentnum_Load(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\\student_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 stream=File.OpenRead (Filename);//打开文件
n=(int)formatter.Deserialize(stream);
stu=new Student [n];
for( i=0; i<stu.Length ;i++)
{
stu[i]=(Student)formatter.Deserialize (stream);
//Console.Write("n{0}i={1}",i,stu[i].Name );
//Console.Write("n{0}i={1}",i,stu[i].Number );
}
i=0;
stream.Close();
}
private void textBox3_TextChanged(object sender, System.EventArgs e)
{
}
private void textBox1_TextChanged(object sender, System.EventArgs e)
{
}
private void button1_Click(object sender, System.EventArgs e)
{
for(i=0;i<n;i++)
{
j=i;
if(textBox1.Text==stu[i].Number)
{
j=0;
textBox3.Text="学号"+stu[i].Number+"\r\n"+"姓名"+stu[i].Name+"\r\n"+"爱好"+stu[i].interesting+"\r\n"+"出生年月"+stu[i].birthday+"\r\n"+"年龄"+stu[i].sex+"\r\n"+"政治面目"+stu[i].zhenzhi;
break;
}
else
{
if(textBox1.Text==stu[i].Name)
{
j=0;
textBox3.Text="学号"+stu[i].Number+"\r\n"+"姓名"+stu[i].Name+"\r\n"+"爱好"+stu[i].interesting+"\r\n"+"出生年月"+stu[i].birthday+"\r\n"+"年龄"+stu[i].sex+"\r\n"+"政治面目"+stu[i].zhenzhi;
break;
}
}
}
if(j>=stu.Length)
textBox3.Text="对不起,该生不存在!";
textBox1.Text="";
textBox1.Focus ();
}
private void button2_Click(object sender, System.EventArgs e)
{
this.Close();
}
}
}
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