3-4 檔案讀寫例子(2)

//=========================第一部分：主界面功能設計=============================

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.IO;

namespace FileOptionApplication

{

    public partial class Form6 : Form

    {

        public Form6()

        {

            InitializeComponent();

        }

        /// <summary>

        /// 讀寫檔案操作

        /// </summary>

        private void button3_Click(object sender, EventArgs e)

            int p = comboBox1.SelectedIndex;

            if (p == -1)

            {

                MessageBox.Show("請您選擇檔案寫入方式", "警告資訊", MessageBoxButtons.OK, MessageBoxIcon.Information);

            }

            else

                string filecontent = richTextBox1.Text.Trim();

                MyFileOption myoption = new MyFileOption();

                string filepath = @"c:\1.txt";

                bool i = myoption.WriteTextFile(filepath, filecontent, Convert.ToInt16(comboBox1.SelectedIndex));

                if (i == true)

                {

                    MessageBox.Show("儲存成功", "儲存資訊", MessageBoxButtons.OK, MessageBoxIcon.Information);

                }

                else

                    MessageBox.Show("寫入檔案時出錯", "錯誤", MessageBoxButtons.OK, MessageBoxIcon.Warning);

        /// 檔案磁盤操作

        private void button4_Click(object sender, EventArgs e)

            Int16 p = Convert.ToInt16(comboBox2.SelectedIndex);

                MessageBox.Show("請您選擇磁盤檔案操作方式", "警告資訊", MessageBoxButtons.OK, MessageBoxIcon.Information);

                string sourcepath = "c:\\1.txt";

                string targetpath = "c:\\2.txt";

                bool i = myoption.DiskFileOption(sourcepath, targetpath, p);

                    MessageBox.Show("磁盤檔案操作成功", "儲存資訊", MessageBoxButtons.OK, MessageBoxIcon.Information);

                    MessageBox.Show("磁盤檔案操作時出錯", "錯誤", MessageBoxButtons.OK, MessageBoxIcon.Warning);

        private void button1_Click(object sender, EventArgs e)

            richTextBox1.Text = null;

            richTextBox1.Focus();

        /// 讀出文本檔案内容

        private void button2_Click(object sender, EventArgs e)

            MyFileOption myoption = new MyFileOption();

            string filepath = @"c:\1.txt";

            Int16 i = 0;

            string filecontent = "";

            myoption.ReadTextFile(filepath, out i, out filecontent);

            if (i == 0)

                MessageBox.Show(filecontent, "錯誤資訊", MessageBoxButtons.OK, MessageBoxIcon.Information);

                richTextBox1.Text = filecontent;

            else if (i == 1)

                MessageBox.Show("讀取檔案成功", "成功", MessageBoxButtons.OK, MessageBoxIcon.Warning);

            else if (i == 2)

                MessageBox.Show(filecontent, "錯誤資訊", MessageBoxButtons.OK, MessageBoxIcon.Warning);

        /// 檔案基本屬性設定

        private void button5_Click(object sender, EventArgs e)

            if (checkBox1.Checked && checkBox2.Checked)

                File.SetAttributes(filepath, FileAttributes.ReadOnly | FileAttributes.Hidden);

                MessageBox.Show("檔案已經改為隻讀且隐藏", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);

                if (!checkBox1.Checked && !checkBox2.Checked)

                    File.SetAttributes(filepath, FileAttributes.Archive);

                    MessageBox.Show("檔案已經改為正常", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);

                    if (checkBox2.Checked)

                    {

                        File.SetAttributes(filepath, FileAttributes.ReadOnly);

                        MessageBox.Show("檔案已經改為隻讀", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);

                    }

                    if (checkBox1.Checked)

                        File.SetAttributes(filepath, FileAttributes.Hidden);

                        MessageBox.Show("檔案已經改為隐藏", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);

        /// 檔案夾操作

        private void button6_Click(object sender, EventArgs e)

            Int16 p = Convert.ToInt16(comboBox3.SelectedIndex);

                MessageBox.Show("請您選擇檔案夾操作方式", "警告資訊", MessageBoxButtons.OK, MessageBoxIcon.Information);

                string sourcepath = @"c:\1";

                string targetpath = @"c:\2";

                string[] filesname = null;

                bool i = myoption.DirectoryOption(sourcepath, targetpath, p, out filesname);

                    MessageBox.Show("磁盤檔案夾操作成功", "儲存資訊", MessageBoxButtons.OK, MessageBoxIcon.Information);

                    if (filesname != null)

                        foreach (string somestring in filesname)

                        {

                            richTextBox1.Text += somestring + "\r\n";

                        }

                    MessageBox.Show("磁盤檔案夾操作時出錯", "錯誤", MessageBoxButtons.OK, MessageBoxIcon.Warning);

    }

}

u實驗步驟（3）：

向項目中添加名為FileOption.cs的類檔案，并準備填寫關于檔案操作的各種方法，如圖3－8所示：

圖3-8  建立FileOption.cs圖

本文轉自 qianshao 51CTO部落格，原文連結：http://blog.51cto.com/qianshao/210961，如需轉載請自行聯系原作者