[C#]读写二进制文件

  1using System;
  2using System.Drawing;
  3using System.Collections;
  4using System.ComponentModel;
  5using System.Windows.Forms;
  6using System.Data;
  7// 添加新的命名空间。
  8using System.IO;
  9using System.Text;
 10
 11namespace BinaryFile
 12{
 13    /**//// <summary>
 14    /// 处理二进制文件。
 15    /// </summary>
 16    public class Form1 : System.Windows.Forms.Form
 17    {
 18        private System.Windows.Forms.Button button1;
 19        private System.Windows.Forms.RichTextBox richTextBox1;
 20        /**//// <summary>
 21        /// 必需的设计器变量。
 22        /// </summary>
 23        private System.ComponentModel.Container components = null;
 24
 25        public Form1()
 26        {
 27            // Windows 窗体设计器支持所必需的
 28            InitializeComponent();
 29            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
 30            // 写二进制文件
 31            s = File.Create("test.bin");
 32            w = new BinaryWriter(s);
 33            string str = "这是一行文字。\n";
 34            w.Write(str);
 35            float a = 3.1415F;
 36            w.Write(a);
 37            ulong b = 100000L;
 38            w.Write(b);
 39            int c = 300;
 40            w.Write(c);
 41            decimal d = 4.40983M;
 42            w.Write(d);
 43            double f = 94853.938485928d;
 44            w.Write(f);
 45            char[] g = {'h','e','l','l','o'};
 46            w.Write(g, 0, g.Length);
 47            char h = 'W';
 48            w.Write(h);
 49            bool i = true;
 50            w.Write(i);
 51            w.Flush();
 52            w.Close();
 53        }
 54
 55        /**//// <summary>
 56        /// 清理所有正在使用的资源。
 57        /// </summary>
 58        protected override void Dispose( bool disposing )
 59        {
 60            if( disposing )
 61            {
 62                if (components != null) 
 63                {
 64                    components.Dispose();
 65                }
 66            }
 67            base.Dispose( disposing );
 68        }
 69
 70        Windows Form Designer generated code#region Windows Form Designer generated code
 71        /**//// <summary>
 72        /// 设计器支持所需的方法 – 不要使用代码编辑器修改
 73        /// 此方法的内容。
 74        /// </summary>
 75        private void InitializeComponent()
 76        {
 77            this.button1 = new System.Windows.Forms.Button();
 78            this.richTextBox1 = new System.Windows.Forms.RichTextBox();
 79            this.SuspendLayout();
 80            // 
 81            // button1
 82            // 
 83            this.button1.Location = new System.Drawing.Point(159, 256);
 84            this.button1.Name = "button1";
 85            this.button1.TabIndex = 0;
 86            this.button1.Text = "显示";
 87            this.button1.TextAlign = System.Drawing.ContentAlignment.TopCenter;
 88            this.button1.Click += new System.EventHandler(this.button1_Click);
 89            // 
 90            // richTextBox1
 91            // 
 92            this.richTextBox1.Dock = System.Windows.Forms.DockStyle.Top;
 93            this.richTextBox1.Name = "richTextBox1";
 94            this.richTextBox1.ScrollBars = System.Windows.Forms.RichTextBoxScrollBars.ForcedBoth;
 95            this.richTextBox1.Size = new System.Drawing.Size(392, 248);
 96            this.richTextBox1.TabIndex = 1;
 97            this.richTextBox1.Text = "";
 98            this.richTextBox1.WordWrap = false;
 99            // 
100            // Form1
101            // 
102            this.AutoScaleBaseSize = new System.Drawing.Size(8, 18);
103            this.ClientSize = new System.Drawing.Size(392, 290);
104            this.Controls.AddRange(new System.Windows.Forms.Control[] {
105                                                                          this.richTextBox1,
106                                                                          this.button1});
107            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
108            this.MaximizeBox = false;
109            this.Name = "Form1";
110            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
111            this.Text = "处理二进制文件";
112            this.ResumeLayout(false);
113
114        }
115        #endregion
116
117        /**//// <summary>
118        /// 应用程序的主入口点。
119        /// </summary>
120        [STAThread]
121        static void Main() 
122        {
123            Application.Run(new Form1());
124        }
125        // 定义私有变量
126        public Stream s;
127        // 读二进制文件
128        public BinaryReader r;
129        // 写二进制文件
130        public BinaryWriter w;
131        // 显示二进制文件内容
132        private void button1_Click(object sender, System.EventArgs e)
133        {
134            s = File.OpenRead("test.bin");
135            r = new BinaryReader(s);
136            richTextBox1.Text  = "显示 String：";
137            richTextBox1.Text +=  r.ReadString();
138            richTextBox1.Text += "显示 Float：";
139            richTextBox1.Text += r.ReadSingle().ToString() + "\n";
140            richTextBox1.Text += "显示 ULong：";
141            richTextBox1.Text += r.ReadUInt64().ToString() + "\n";
142            richTextBox1.Text += "显示 Int：";
143            richTextBox1.Text += r.ReadInt32().ToString() + "\n";
144            richTextBox1.Text += "显示 Decimal：";
145            richTextBox1.Text += r.ReadDecimal().ToString() + "\n";
146            richTextBox1.Text += "显示 Double：";
147            richTextBox1.Text += r.ReadDouble().ToString() + "\n";
148            richTextBox1.Text += "显示 Char[]：";
149            richTextBox1.Text += Encoding.ASCII.GetString(r.ReadBytes(5)) + "\n";
150            richTextBox1.Text += "显示 Char：";
151            richTextBox1.Text += r.ReadChar().ToString() + "\n";
152            richTextBox1.Text += "显示 Boolean：";
153            richTextBox1.Text += r.ReadBoolean().ToString() + "\n";
154            r.Close();
155        }
156    }
157}