frmmain.cs

北大青鸟内部资料

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

namespace ApplicationExceptionTest
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class frmMain : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label lblName;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox txtName;
		private System.Windows.Forms.TextBox txtEmail;
		private System.Windows.Forms.Button btnSubmit;
		private System.Windows.Forms.Button btnClose;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public frmMain()
		{
			//
			// 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.lblName = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.txtName = new System.Windows.Forms.TextBox();
			this.txtEmail = new System.Windows.Forms.TextBox();
			this.btnSubmit = new System.Windows.Forms.Button();
			this.btnClose = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// lblName
			// 
			this.lblName.Location = new System.Drawing.Point(8, 8);
			this.lblName.Name = "lblName";
			this.lblName.TabIndex = 0;
			this.lblName.Text = "姓名：";
			this.lblName.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 32);
			this.label1.Name = "label1";
			this.label1.TabIndex = 1;
			this.label1.Text = "Email：";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
			// 
			// txtName
			// 
			this.txtName.Location = new System.Drawing.Point(112, 8);
			this.txtName.Name = "txtName";
			this.txtName.Size = new System.Drawing.Size(160, 21);
			this.txtName.TabIndex = 2;
			this.txtName.Text = "";
			// 
			// txtEmail
			// 
			this.txtEmail.Location = new System.Drawing.Point(112, 32);
			this.txtEmail.Name = "txtEmail";
			this.txtEmail.Size = new System.Drawing.Size(160, 21);
			this.txtEmail.TabIndex = 3;
			this.txtEmail.Text = "";
			// 
			// btnSubmit
			// 
			this.btnSubmit.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.btnSubmit.Location = new System.Drawing.Point(112, 64);
			this.btnSubmit.Name = "btnSubmit";
			this.btnSubmit.Size = new System.Drawing.Size(75, 21);
			this.btnSubmit.TabIndex = 4;
			this.btnSubmit.Text = "录入(&S)";
			this.btnSubmit.Click += new System.EventHandler(this.btnSubmit_Click);
			// 
			// btnClose
			// 
			this.btnClose.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.btnClose.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.btnClose.Location = new System.Drawing.Point(200, 64);
			this.btnClose.Name = "btnClose";
			this.btnClose.Size = new System.Drawing.Size(75, 21);
			this.btnClose.TabIndex = 5;
			this.btnClose.Text = "关闭(&C)";
			this.btnClose.Click += new System.EventHandler(this.btnClose_Click);
			// 
			// frmMain
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.CancelButton = this.btnClose;
			this.ClientSize = new System.Drawing.Size(292, 101);
			this.Controls.Add(this.btnClose);
			this.Controls.Add(this.btnSubmit);
			this.Controls.Add(this.txtEmail);
			this.Controls.Add(this.txtName);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.lblName);
			this.MaximizeBox = false;
			this.Name = "frmMain";
			this.Text = "自定义异常";
			this.Load += new System.EventHandler(this.frmMain_Load);
			this.ResumeLayout(false);

		}
		#endregion

		
		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new frmMain());
		}

		private void frmMain_Load(object sender, System.EventArgs e)
		{

		}

		private void btnSubmit_Click(object sender, System.EventArgs e)
		{
			if(txtName.Text.Length == 0 && txtEmail.Text.Length == 0)
			{
				MessageBox.Show("请填写姓名和Email。", "填写不完整", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Information);
				return;
			}
			try
			{
				SaveInfo(txtName.Text, txtEmail.Text);
			}
			catch(EmailErrorException ex)
			{
				MessageBox.Show(ex.Message, "Email格式错误",System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Information);
				return;
			}

			MessageBox.Show("保存成功。", "成功", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Information);
		}

		private bool SaveInfo(string name, string email)
		{
			string[] subStrings = email.Split('@');
			if(subStrings.Length != 2)
			{
				throw new EmailErrorException();
			}
			else
			{
				int index = subStrings[1].IndexOf(".");
				if(index <= 0)
				{
					throw new EmailErrorException();
				}
				
				if(subStrings[1][subStrings[1].Length -1] == '.')
				{
					throw new EmailErrorException();
				}
			}

			return true;
		}

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