📄 form1.cs
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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace 文件和加密和解密处理
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private static Form1 form1;
private System.Windows.Forms.MainMenu mainMenu1;
private System.Windows.Forms.MenuItem menuItem8;
private System.Windows.Forms.MenuItem menuItem9;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
private System.Windows.Forms.Button button4;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.TextBox textBox4;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.ComboBox comboBox1;
private System.Windows.Forms.Label label5;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null;
static int ccc;
public Form1()
{
//
// 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.mainMenu1 = new System.Windows.Forms.MainMenu();
this.menuItem8 = new System.Windows.Forms.MenuItem();
this.menuItem9 = new System.Windows.Forms.MenuItem();
this.label1 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
this.textBox2 = 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.button4 = new System.Windows.Forms.Button();
this.textBox4 = new System.Windows.Forms.TextBox();
this.label3 = new System.Windows.Forms.Label();
this.textBox3 = new System.Windows.Forms.TextBox();
this.label4 = new System.Windows.Forms.Label();
this.comboBox1 = new System.Windows.Forms.ComboBox();
this.label5 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// mainMenu1
//
this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.menuItem8});
//
// menuItem8
//
this.menuItem8.Index = 0;
this.menuItem8.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.menuItem9});
this.menuItem8.Text = "帮助";
//
// menuItem9
//
this.menuItem9.Index = 0;
this.menuItem9.Text = "程序说明";
this.menuItem9.Click += new System.EventHandler(this.menuItem9_Click);
//
// label1
//
this.label1.Location = new System.Drawing.Point(56, 59);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(56, 16);
this.label1.TabIndex = 0;
this.label1.Text = "原 码";
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(136, 56);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(392, 23);
this.textBox1.TabIndex = 1;
this.textBox1.Text = "";
//
// label2
//
this.label2.Location = new System.Drawing.Point(56, 99);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(56, 16);
this.label2.TabIndex = 2;
this.label2.Text = "密 码";
//
// textBox2
//
this.textBox2.ForeColor = System.Drawing.Color.Black;
this.textBox2.Location = new System.Drawing.Point(136, 96);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(392, 23);
this.textBox2.TabIndex = 3;
this.textBox2.Text = "";
//
// button1
//
this.button1.Location = new System.Drawing.Point(120, 152);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(88, 32);
this.button1.TabIndex = 4;
this.button1.Text = "加 密";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(392, 152);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(88, 32);
this.button2.TabIndex = 5;
this.button2.Text = "退 出";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(392, 320);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(88, 32);
this.button3.TabIndex = 11;
this.button3.Text = "核 查";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// button4
//
this.button4.Location = new System.Drawing.Point(120, 320);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(88, 32);
this.button4.TabIndex = 10;
this.button4.Text = "解 密";
this.button4.Click += new System.EventHandler(this.button4_Click);
//
// textBox4
//
this.textBox4.ForeColor = System.Drawing.Color.Black;
this.textBox4.Location = new System.Drawing.Point(136, 264);
this.textBox4.Name = "textBox4";
this.textBox4.Size = new System.Drawing.Size(392, 23);
this.textBox4.TabIndex = 9;
this.textBox4.Text = "";
//
// label3
//
this.label3.Location = new System.Drawing.Point(56, 267);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(56, 16);
this.label3.TabIndex = 8;
this.label3.Text = "原 码";
//
// textBox3
//
this.textBox3.ForeColor = System.Drawing.Color.Black;
this.textBox3.Location = new System.Drawing.Point(136, 224);
this.textBox3.Name = "textBox3";
this.textBox3.Size = new System.Drawing.Size(392, 23);
this.textBox3.TabIndex = 7;
this.textBox3.Text = "";
//
// label4
//
this.label4.Location = new System.Drawing.Point(56, 227);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(56, 16);
this.label4.TabIndex = 6;
this.label4.Text = "密 码";
//
// comboBox1
//
this.comboBox1.Items.AddRange(new object[] {
"1",
"2",
"3",
"4",
"5",
"6"});
this.comboBox1.Location = new System.Drawing.Point(348, 13);
this.comboBox1.Name = "comboBox1";
this.comboBox1.Size = new System.Drawing.Size(121, 22);
this.comboBox1.TabIndex = 12;
this.comboBox1.Text = "5";
//
// label5
//
this.label5.Location = new System.Drawing.Point(116, 16);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(200, 16);
this.label5.TabIndex = 13;
this.label5.Text = "选择替代法要移动的位数";
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(7, 16);
this.ClientSize = new System.Drawing.Size(584, 375);
this.Controls.Add(this.label5);
this.Controls.Add(this.comboBox1);
this.Controls.Add(this.button3);
this.Controls.Add(this.button4);
this.Controls.Add(this.textBox4);
this.Controls.Add(this.label3);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.label4);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.label2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label1);
this.Cursor = System.Windows.Forms.Cursors.Default;
this.Font = new System.Drawing.Font("新宋体", 10.5F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
this.HelpButton = true;
this.ImeMode = System.Windows.Forms.ImeMode.Alpha;
this.MaximizeBox = false;
this.Menu = this.mainMenu1;
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "欢迎进入C#的世界！";
this.TopMost = true;
this.TransparencyKey = System.Drawing.Color.FromArgb(((System.Byte)(128)), ((System.Byte)(128)), ((System.Byte)(255)));
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
form1=new Form1();
Application.Run(form1);
}
/*
private void menuItem2_Click(object sender, System.EventArgs e)
{
//System.IO.Stream mystream;
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.InitialDirectory="c:\\";
openFileDialog1.Filter="txt files (*.txt)|*.txt|All files (*.*)|*.*" ;
openFileDialog1.FilterIndex=4;
openFileDialog1.RestoreDirectory=true;
if(openFileDialog1.ShowDialog()==DialogResult.OK)
{
if(openFileDialog1.FileName!="")
{
//textBox1.Text=openFileDialog1.FileName;
//statusBar1.Text=openFileDialog1.FileName;
}
}
}*/
private void menuItem9_Click(object sender, System.EventArgs e)
{
MessageBox.Show("这是一个实现简单文件的加密和解密的程序，也是我的第一个C#程序！\n本程序主要实现传统的加密算法对字符串加密！", "信息提示",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void Form1_Load(object sender, System.EventArgs e)
{
}
private void button2_Click(object sender, System.EventArgs e)
{
this.Close();
}
private void button1_Click(object sender, System.EventArgs e)
{
string OriginalWord=textBox1.Text.Trim();
char[] c=new char[OriginalWord.Length];
c=OriginalWord.ToCharArray();
ccc=Convert.ToInt32(comboBox1.SelectedItem);
for(int i=0;i<c.Length;i++)
{
byte b = (byte)c[i];
//b=(byte)(b+3);
if ( (byte) (b + ccc) < (byte) 'a' && (byte) (b + ccc) > (byte) 'Z')
{
b = (byte) (b + ccc);
b = (byte) ( (byte) 'A' + (b - (byte) 'Z') - 1);
c[i] = (char) b;
}
else if ( (byte) (b + ccc) > (byte) 'z')
{
b = (byte) (b + ccc);
b = (byte) ( (byte) 'a' + (b - (byte) 'z') - 1);
c[i] = (char) b;
}
else if ( (byte) (b + ccc) > (byte) '9' && (byte) (b + ccc) < (byte) 'A')
{
b = (byte) (b + ccc);
b = (byte) ( (byte) '0' + (b - (byte) '9') - 1);
c[i] = (char) b;
}
else if((b>=(byte)'a'&& b<=(byte)'z') || (b>=(byte)'0' && b<=(byte)'9') || (b>=(byte)'A' && b<=(byte)'Z'))
{
b = (byte) (b + ccc);
c[i] = (char) (b);
}
else
{
//如果输入其它的字符，则提示出错，并且将相应的输入框内容清除
MessageBox.Show("你输入了非法字符，请输入26个英文字母或0到9之间的字符","输入出错了",MessageBoxButtons.OK,MessageBoxIcon.Warning);
textBox2.Text="";
textBox3.Text="";
textBox4.Text="";
goto error1;
}
}
string s=new string(c);
textBox2.Text=s;
error1:
{
//如果出错转到这里将密码和解密的两个textBox清除内容，完成此方法
}
}
private void button4_Click(object sender, System.EventArgs e)
{
if(textBox2.Text.Trim()!="")
{
textBox3.Text=textBox2.Text.Trim();
string sss=textBox3.Text.Trim();
char[] c=new char[sss.Length];
c=sss.ToCharArray();
for(int i=0;i<sss.Length;i++)
{
byte b=(byte)c[i];
if ( (byte) (b - ccc) < (byte) 'a' && (byte) (b - ccc) > (byte) 'Z')
{
b = (byte) (b - ccc);
b = (byte) ( (byte) 'z' - ((byte) 'a'- b )+1);
c[i] = (char) b;
}
else if ( (byte) (b - ccc) < (byte) '0')
{
b = (byte) (b - ccc);
b = (byte) ( (byte) '9' - ((byte) '0'-b)+1);
c[i] = (char) b;
}
else if ( (byte) (b - ccc) > (byte) '9' && (byte) (b - ccc) < (byte) 'A')
{
b = (byte) (b - ccc);
b = (byte) ( (byte) 'Z' - ((byte)'A'-b)+1);
c[i] = (char) b;
}
else if((b>=(byte)'a'&& b<=(byte)'z') || (b>=(byte)'0' && b<=(byte)'9') || (b>=(byte)'A' && b<=(byte)'Z'))
{
b = (byte) (b - ccc);
c[i] = (char) (b);
}
}
textBox4.Text=(new string(c));
}
else
{
MessageBox.Show("没有要解的密码","错误提示",MessageBoxButtons.OK,MessageBoxIcon.Warning);
}
}
private void button3_Click(object sender, System.EventArgs e)
{
if(textBox1.Text.Trim()=="")
{
MessageBox.Show("请输入要加密的字符串！","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
else if(textBox1.Text==textBox4.Text)
{
MessageBox.Show(" 加密解密成功！！","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
else
{
MessageBox.Show("对不起，发生了错误，加密减密没有成功，\n输入26个英文字母，或者0到9之间的数字\n有可能你输入了;符号，请将其删掉再加密","出错了",MessageBoxButtons.OK,MessageBoxIcon.Warning);
}
}
}
}
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