edittext.cs

火车票的销售系统

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

namespace filemanger
{
	/// <summary>
	/// EditText 的摘要说明。
	/// </summary>
	public class EditText : System.Windows.Forms.Form
	{
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.Windows.Forms.MenuItem menuItem4;
		private System.Windows.Forms.MenuItem menuItem5;
		private System.Windows.Forms.MenuItem menuItem6;
		private System.Windows.Forms.MenuItem menuItem7;
		private System.Windows.Forms.OpenFileDialog openFileDialog1;
		private System.Windows.Forms.SaveFileDialog saveFileDialog1;
		private System.Windows.Forms.Label label1;
		public System.Windows.Forms.Label lbFullName;
		private System.Windows.Forms.TextBox txtContent;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public EditText()
		{
			//
			// 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.menuItem1 = new System.Windows.Forms.MenuItem();
			this.menuItem3 = new System.Windows.Forms.MenuItem();
			this.menuItem4 = new System.Windows.Forms.MenuItem();
			this.menuItem5 = new System.Windows.Forms.MenuItem();
			this.menuItem6 = new System.Windows.Forms.MenuItem();
			this.menuItem7 = new System.Windows.Forms.MenuItem();
			this.label1 = new System.Windows.Forms.Label();
			this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.saveFileDialog1 = new System.Windows.Forms.SaveFileDialog();
			this.txtContent = new System.Windows.Forms.TextBox();
			this.lbFullName = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem1});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem3,
																					  this.menuItem4,
																					  this.menuItem5,
																					  this.menuItem6,
																					  this.menuItem7});
			this.menuItem1.Text = "编辑";
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 0;
			this.menuItem3.Text = "打开";
			// 
			// menuItem4
			// 
			this.menuItem4.Index = 1;
			this.menuItem4.Text = "新建";
			// 
			// menuItem5
			// 
			this.menuItem5.Index = 2;
			this.menuItem5.Text = "保存";
			// 
			// menuItem6
			// 
			this.menuItem6.Index = 3;
			this.menuItem6.Text = "另存为";
			// 
			// menuItem7
			// 
			this.menuItem7.Index = 4;
			this.menuItem7.Text = "退出";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 24);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(100, 16);
			this.label1.TabIndex = 0;
			this.label1.Text = "当前的文本路径：";
			// 
			// txtContent
			// 
			this.txtContent.AutoSize = false;
			this.txtContent.Location = new System.Drawing.Point(0, 56);
			this.txtContent.Name = "txtContent";
			this.txtContent.Size = new System.Drawing.Size(416, 200);
			this.txtContent.TabIndex = 2;
			this.txtContent.Text = "";
			// 
			// lbFullName
			// 
			this.lbFullName.Location = new System.Drawing.Point(120, 24);
			this.lbFullName.Name = "lbFullName";
			this.lbFullName.Size = new System.Drawing.Size(288, 24);
			this.lbFullName.TabIndex = 3;
			this.lbFullName.Text = "label1";
			// 
			// EditText
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(416, 266);
			this.Controls.Add(this.lbFullName);
			this.Controls.Add(this.txtContent);
			this.Controls.Add(this.label1);
			this.Menu = this.mainMenu1;
			this.Name = "EditText";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
			this.Text = "EditText";
			this.Load += new System.EventHandler(this.EditText_Load);
			this.ResumeLayout(false);

		}
		#endregion

		private void EditText_Load(object sender, System.EventArgs e)
		{
			try
			{
				FileStream fs=new FileStream(lbFullName.Text,FileMode.Open,FileAccess.Read);
				StreamReader reader=new StreamReader(fs);
				txtContent.Text = reader.ReadToEnd();
				fs.Close();
			}
			catch (Exception e6)
			{
                
				MessageBox.Show(e6.Message);
			}
		}
		private void openMenu_Click(object sender, EventArgs e)
		{
			try
			{
				if(openFileDialog1.ShowDialog()==DialogResult.OK)
				{
					string fileName = openFileDialog1.FileName;
					FileStream fs =new FileStream(fileName,FileMode.Open,FileAccess.Read);
					StreamReader reader=new StreamReader(fs);
					lbFullName.Text = fileName;
					txtContent.Text = reader.ReadToEnd();
					fs.Close();
				}
			}
			catch (Exception e7)
			{
                
				MessageBox.Show(e7.Message);
			}
		}
		private void newMenu_Click(object sender, EventArgs e)
		{
			txtContent.Clear();
		}
		private void saveMenu_Click(object sender, EventArgs e)
		{
			try
			{
				FileStream fs=new FileStream(lbFullName.Text,FileMode.Open,FileAccess.Write);
				StreamWriter sw=new StreamWriter(fs);
				sw.Write(txtContent.Text);
				sw.Flush();
				fs.Close();
				MessageBox.Show("文件" + lbFullName.Text + "保存成功！");
			}
			catch(Exception e8)
			{
				MessageBox.Show(e8.Message);
			}
		}
		private void saveAsMenu_Click(object sender, EventArgs e)
		{
			if(saveFileDialog1.ShowDialog()==DialogResult.OK)
			{
				string fileName = saveFileDialog1.FileName;
				try
				{
					Stream stream =File.OpenWrite(fileName);
					using(StreamWriter writer=new StreamWriter(stream))
					{
						writer.Write(txtContent.Text);
						writer.Flush();
					}
					MessageBox.Show("文件" + fileName + "保存成功！");
				}
				catch (Exception e9)
				{
					MessageBox.Show(e9.Message);
				}
			}
		}
		private void exitMenu_Click(object sender, EventArgs e)
		{
			Close();
		}

		

	}
}