http://true5460.muicc.com/program/textEdit.zip
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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using System.Text;
namespace WindowsApplication1
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Label label2;
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.Button button5;
private System.Windows.Forms.Button button6;
private System.Windows.Forms.Button button7;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null;
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.label1 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
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.button5 = new System.Windows.Forms.Button();
this.button6 = new System.Windows.Forms.Button();
this.button7 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// label1
//
this.label1.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.label1.Location = new System.Drawing.Point(24, 8);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(56, 16);
this.label1.TabIndex = 0;
this.label1.Text = "文件名";
//
// textBox1
//
this.textBox1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.textBox1.Location = new System.Drawing.Point(24, 32);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(304, 21);
this.textBox1.TabIndex = 1;
this.textBox1.Text = "";
//
// textBox2
//
this.textBox2.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.textBox2.Location = new System.Drawing.Point(24, 85);
this.textBox2.Multiline = true;
this.textBox2.Name = "textBox2";
this.textBox2.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
this.textBox2.Size = new System.Drawing.Size(408, 283);
this.textBox2.TabIndex = 2;
this.textBox2.Text = "";
//
// label2
//
this.label2.Location = new System.Drawing.Point(21, 64);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(56, 16);
this.label2.TabIndex = 3;
this.label2.Text = "文件内容";
//
// button1
//
this.button1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.button1.Location = new System.Drawing.Point(504, 80);
this.button1.Name = "button1";
this.button1.TabIndex = 4;
this.button1.Text = "创建";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.button2.Location = new System.Drawing.Point(504, 136);
this.button2.Name = "button2";
this.button2.TabIndex = 5;
this.button2.Text = "读取";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.button3.Location = new System.Drawing.Point(504, 192);
this.button3.Name = "button3";
this.button3.TabIndex = 6;
this.button3.Text = "追加";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// button4
//
this.button4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.button4.Location = new System.Drawing.Point(504, 360);
this.button4.Name = "button4";
this.button4.TabIndex = 7;
this.button4.Text = "退出";
this.button4.Click += new System.EventHandler(this.button4_Click);
//
// button5
//
this.button5.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.button5.Location = new System.Drawing.Point(504, 248);
this.button5.Name = "button5";
this.button5.TabIndex = 8;
this.button5.Text = "清除";
this.button5.Click += new System.EventHandler(this.button5_Click);
//
// button6
//
this.button6.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.button6.Location = new System.Drawing.Point(344, 32);
this.button6.Name = "button6";
this.button6.Size = new System.Drawing.Size(64, 23);
this.button6.TabIndex = 9;
this.button6.Text = "浏览";
this.button6.Click += new System.EventHandler(this.button6_Click_1);
//
// button7
//
this.button7.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.button7.Location = new System.Drawing.Point(504, 304);
this.button7.Name = "button7";
this.button7.TabIndex = 10;
this.button7.Text = "复制";
this.button7.Click += new System.EventHandler(this.button7_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(640, 430);
this.Controls.Add(this.button7);
this.Controls.Add(this.button6);
this.Controls.Add(this.button5);
this.Controls.Add(this.button4);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.label2);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label1);
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "文本编辑器_swl";
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void button3_Click(object sender, System.EventArgs e)
{
FileStream file;
StreamWriter file_in;
String filename=textBox1.Text;
if(filename=="") MessageBox.Show("\n 文件名空，请输入文件名！ ","错误操作");
else
{
try
{
file=new FileStream(filename,FileMode.Append);
file_in=new StreamWriter(file,Encoding.Default);
file_in.Write(textBox2.Text);
file_in.Close();
file.Close();
MessageBox.Show(" 操作成功！ ","成功");
}
catch
{
MessageBox.Show("\n 错误操作！ ","错误操作");
}
}
}
private void button1_Click(object sender, System.EventArgs e)
{
FileStream file;
StreamWriter file_in;
String filename=textBox1.Text;
if(filename=="") MessageBox.Show("\n 文件名空，请输入文件名！ ","错误操作");
else
{
try
{
file=new FileStream(filename,FileMode.Create);
file_in=new StreamWriter(file,Encoding.Default);
file_in.Write(textBox2.Text);
file_in.Close();
file.Close();
MessageBox.Show(" 操作成功！ ","成功!");
}
catch
{
MessageBox.Show("\n 错误操作！ ","错误操作");
}
}
}
private void button2_Click(object sender, System.EventArgs e)
{
FileStream file;
StreamReader file_out;
String content,filename=textBox1.Text;
textBox2.Text="";
if(filename=="") MessageBox.Show("\n 文件名空，请输入文件名！ ","错误操作");
else
{
try
{
file=new FileStream(filename,FileMode.Open);
file_out=new StreamReader(file,Encoding.Default);
while((content=file_out.ReadLine())!=null)
{
textBox2.Text+=content+"\r\n";
}
file_out.Close();
file.Close();
MessageBox.Show(" 操作成功！ ","成功");
}
catch
{
MessageBox.Show("\n 错误操作！ ","错误操作");
}
}
}
private void button4_Click(object sender, System.EventArgs e)
{
Application.Exit();
}
private void button5_Click(object sender, System.EventArgs e)
{
textBox2.Clear();
}
private void button6_Click_1(object sender, System.EventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.InitialDirectory = "" ;
openFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*" ;
openFileDialog1.FilterIndex = 2 ;
openFileDialog1.RestoreDirectory = false ;
if(openFileDialog1.ShowDialog() == DialogResult.OK)
{
textBox1.Text=openFileDialog1.FileName;
}
}
private void button7_Click(object sender, System.EventArgs e)
{
if(textBox2.Text=="") MessageBox.Show(" 文本框内无信息！ ","警告");
else
{
textBox2.SelectAll();
textBox2.Copy();
MessageBox.Show(" 已将文本制到剪贴板！ ","成功");
}
}
}
}
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