📄 form2.cs
字号:
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>
/// Form2 的摘要说明。
/// </summary>
public class Form2 : 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.Label label4;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.Label label6;
private System.Windows.Forms.DateTimePicker dateTimePicker1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.TextBox textBox4;
private System.Windows.Forms.TextBox textBox5;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.TextBox textBox6;
public int k,j,i,n=0;
public Student[] stu=new Student[10];
private System.Windows.Forms.Button button3;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null;
public Form2()
{
//
// 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.label3 = new System.Windows.Forms.Label();
this.label4 = new System.Windows.Forms.Label();
this.label5 = new System.Windows.Forms.Label();
this.label6 = new System.Windows.Forms.Label();
this.dateTimePicker1 = new System.Windows.Forms.DateTimePicker();
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.textBox3 = new System.Windows.Forms.TextBox();
this.textBox4 = new System.Windows.Forms.TextBox();
this.textBox5 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.textBox6 = new System.Windows.Forms.TextBox();
this.button3 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// label1
//
this.label1.Location = new System.Drawing.Point(24, 16);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(48, 24);
this.label1.TabIndex = 0;
this.label1.Text = "学号:";
//
// label2
//
this.label2.Location = new System.Drawing.Point(8, 48);
this.label2.Name = "label2";
this.label2.TabIndex = 1;
this.label2.Text = "姓名:";
//
// label3
//
this.label3.Location = new System.Drawing.Point(16, 80);
this.label3.Name = "label3";
this.label3.TabIndex = 2;
this.label3.Text = "性别:";
//
// label4
//
this.label4.Location = new System.Drawing.Point(8, 112);
this.label4.Name = "label4";
this.label4.TabIndex = 3;
this.label4.Text = "政治面貌:";
//
// label5
//
this.label5.Location = new System.Drawing.Point(16, 144);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(56, 24);
this.label5.TabIndex = 4;
this.label5.Text = "爱好:";
//
// label6
//
this.label6.Location = new System.Drawing.Point(8, 176);
this.label6.Name = "label6";
this.label6.Size = new System.Drawing.Size(64, 23);
this.label6.TabIndex = 5;
this.label6.Text = "出生年月:";
//
// dateTimePicker1
//
this.dateTimePicker1.Location = new System.Drawing.Point(88, 176);
this.dateTimePicker1.Name = "dateTimePicker1";
this.dateTimePicker1.TabIndex = 6;
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(96, 16);
this.textBox1.Name = "textBox1";
this.textBox1.TabIndex = 7;
this.textBox1.Text = "textBox1";
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(96, 48);
this.textBox2.Name = "textBox2";
this.textBox2.TabIndex = 8;
this.textBox2.Text = "textBox2";
//
// textBox3
//
this.textBox3.Location = new System.Drawing.Point(96, 72);
this.textBox3.Name = "textBox3";
this.textBox3.TabIndex = 9;
this.textBox3.Text = "textBox3";
//
// textBox4
//
this.textBox4.Location = new System.Drawing.Point(96, 104);
this.textBox4.Name = "textBox4";
this.textBox4.TabIndex = 10;
this.textBox4.Text = "textBox4";
//
// textBox5
//
this.textBox5.Location = new System.Drawing.Point(96, 144);
this.textBox5.Name = "textBox5";
this.textBox5.TabIndex = 11;
this.textBox5.Text = "textBox5";
//
// button1
//
this.button1.Location = new System.Drawing.Point(224, 0);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(72, 56);
this.button1.TabIndex = 12;
this.button1.Text = "输入你要修改的学生学号:";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(16, 224);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(56, 32);
this.button2.TabIndex = 13;
this.button2.Text = "修改";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// textBox6
//
this.textBox6.Location = new System.Drawing.Point(216, 80);
this.textBox6.Name = "textBox6";
this.textBox6.TabIndex = 14;
this.textBox6.Text = "textBox6";
//
// button3
//
this.button3.Location = new System.Drawing.Point(192, 224);
this.button3.Name = "button3";
this.button3.TabIndex = 15;
this.button3.Text = "退出";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// Form2
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.BackColor = System.Drawing.SystemColors.Info;
this.ClientSize = new System.Drawing.Size(328, 271);
this.Controls.Add(this.button3);
this.Controls.Add(this.textBox6);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox5);
this.Controls.Add(this.textBox4);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.dateTimePicker1);
this.Controls.Add(this.label6);
this.Controls.Add(this.label5);
this.Controls.Add(this.label4);
this.Controls.Add(this.label3);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Name = "Form2";
this.Text = "学生信息修改";
this.Load += new System.EventHandler(this.Form2_Load);
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\\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;
IFormatter formatter = new BinaryFormatter();
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);
}
i=0;
stream.Close();
button1.Enabled=true; for( j=0;j<n;j++) { if(stu[j].Number==textBox6.Text) { k=j; textBox1.Text=stu[k].Number;
textBox2.Text =stu[k].Name ;
textBox3.Text =stu[k].sex;
textBox4.Text=stu[k].zhenzhi;
textBox5.Text= stu[k].interesting;
dateTimePicker1.Value=DateTime.Parse (stu[k].birthday); break; } } if(j==n) MessageBox.Show ("对不起!该学号不存在。");
}
private void Form2_Load(object sender, System.EventArgs e)
{
}
private void button3_Click(object sender, System.EventArgs e)
{
this.Close();
}
private void button2_Click(object sender, System.EventArgs e)
{
stu[i].Number=textBox1.Text;
stu[i].Name =textBox2.Text ;
stu[i].sex=textBox3.Text;
stu[i].zhenzhi=textBox4.Text;
stu[i].interesting= textBox5.Text;
stu[i].birthday =dateTimePicker1.Value.ToString ();
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;
BinaryFormatter formatter = new BinaryFormatter();
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!");
}
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -