form3.cs

模拟校园卡管理系统屏蔽键盘操作

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

namespace 校园卡服务系统
{
	/// <summary>
	/// Form3 的摘要说明。
	/// </summary>
	public class Form3 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.TextBox textBox3;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form3()
		{
			//
			// 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(Form3));
			this.textBox1 = new System.Windows.Forms.TextBox();
			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.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(216, 144);
			this.textBox1.Name = "textBox1";
			this.textBox1.PasswordChar = '*';
			this.textBox1.TabIndex = 0;
			this.textBox1.Text = "";
			this.textBox1.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.textBox1_KeyPress);
			// 
			// textBox2
			// 
			this.textBox2.Location = new System.Drawing.Point(216, 182);
			this.textBox2.Name = "textBox2";
			this.textBox2.PasswordChar = '*';
			this.textBox2.TabIndex = 1;
			this.textBox2.Text = "";
			this.textBox2.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.textBox2_KeyPress);
			// 
			// textBox3
			// 
			this.textBox3.Location = new System.Drawing.Point(216, 216);
			this.textBox3.Name = "textBox3";
			this.textBox3.TabIndex = 2;
			this.textBox3.Text = "";
			this.textBox3.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.textBox3_KeyPress);
			// 
			// button1
			// 
			this.button1.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("button1.BackgroundImage")));
			this.button1.Location = new System.Drawing.Point(88, 264);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(75, 32);
			this.button1.TabIndex = 3;
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("button2.BackgroundImage")));
			this.button2.Location = new System.Drawing.Point(208, 264);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(75, 32);
			this.button2.TabIndex = 4;
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// label1
			// 
			this.label1.BackColor = System.Drawing.Color.Transparent;
			this.label1.Font = new System.Drawing.Font("宋体", 14.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label1.ForeColor = System.Drawing.Color.White;
			this.label1.Location = new System.Drawing.Point(56, 320);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(264, 112);
			this.label1.TabIndex = 5;
			this.label1.Text = "密码一律为048523，输入非数字字符无效";
			// 
			// label2
			// 
			this.label2.BackColor = System.Drawing.Color.Transparent;
			this.label2.Font = new System.Drawing.Font("宋体", 14.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label2.ForeColor = System.Drawing.Color.White;
			this.label2.Location = new System.Drawing.Point(152, 360);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(100, 40);
			this.label2.TabIndex = 6;
			// 
			// Form3
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage")));
			this.ClientSize = new System.Drawing.Size(512, 480);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.label1);
			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.ForeColor = System.Drawing.Color.Transparent;
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
			this.Name = "Form3";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.ResumeLayout(false);

		}
		#endregion

		private void textBox1_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
		{
			if   (   !(((e.KeyChar   >=   (char)48)   &&   (e.KeyChar   <=   (char)57))   ||   (e.KeyChar   ==   (char)13)   ||   (e.KeyChar   ==   (char)46)   ||   (e.KeyChar   ==   (char)45)   ||   (e.KeyChar   ==   (char)8)))
			{
				e.Handled   =   true;
			}
		}

		private void textBox2_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
		{
			if   (   !(((e.KeyChar   >=   (char)48)   &&   (e.KeyChar   <=   (char)57))   ||   (e.KeyChar   ==   (char)13)   ||   (e.KeyChar   ==   (char)46)   ||   (e.KeyChar   ==   (char)45)   ||   (e.KeyChar   ==   (char)8)))
			{
				e.Handled   =   true;
			}
		}

		private void textBox3_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
		{
			if   (   !(((e.KeyChar   >=   (char)48)   &&   (e.KeyChar   <=   (char)57))   ||   (e.KeyChar   ==   (char)13)   ||   (e.KeyChar   ==   (char)46)   ||   (e.KeyChar   ==   (char)45)   ||   (e.KeyChar   ==   (char)8)))
			{
				e.Handled   =   true;
			}
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			if(MessageBox.Show("您确定不圈存了吗？","Exit",MessageBoxButtons.YesNo)==DialogResult.Yes)
			{
				this.Close();
			}
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			if(this.textBox1.Text=="048523")
			{
				this.textBox2.Focus();
				if(this.textBox2.Text=="048523")
				{
					this.textBox3.Focus();
					if(this.textBox3.Text!="")
					{
						this.label1.Text="圈存成功，您圈存的数目是：";
						this.label2.Text=this.textBox3.Text;
					}
					else
					{
						this.label1.Text="您的操作有误，请重新操作";
						this.textBox3.Text="";
					}
				}
				else
				{
					this.textBox2.Text="";
					this.label1.Text="您的操作有误，请重新操作";
				}
				
			}
			else
			{
				this.label1.Text="您输入的密码错误，请重新输入";
				this.textBox1.Text="";
			}
		}
	}
}