3-4 文件读写例子(2)
2023-01-31 01:01:09
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//=========================第一部分：主界面功能设计=============================
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>
/// 读写文件操作
/// </summary>
private void button3_Click(object sender, EventArgs e)
{
int p = comboBox1.SelectedIndex;
if (p == -1)
{
MessageBox.Show("请您选择文件写入方式", "警告信息", 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("保存成功", "保存信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("写入文件时出错", "错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
/// <summary>
/// 文件磁盘操作
/// </summary>
private void button4_Click(object sender, EventArgs e)
{
Int16 p = Convert.ToInt16(comboBox2.SelectedIndex);
if (p == -1)
{
MessageBox.Show("请您选择磁盘文件操作方式", "警告信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
string sourcepath = "c:\\1.txt";
string targetpath = "c:\\2.txt";
MyFileOption myoption = new MyFileOption();
bool i = myoption.DiskFileOption(sourcepath, targetpath, p);
if (i == true)
{
MessageBox.Show("磁盘文件操作成功", "保存信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("磁盘文件操作时出错", "错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
private void button1_Click(object sender, EventArgs e)
{
richTextBox1.Text = null;
richTextBox1.Focus();
}
/// <summary>
/// 读出文本文件内容
/// </summary>
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, "错误信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
richTextBox1.Text = filecontent;
}
else if (i == 1)
{
richTextBox1.Text = filecontent;
MessageBox.Show("读取文件成功", "成功", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else if (i == 2)
{
richTextBox1.Text = filecontent;
MessageBox.Show(filecontent, "错误信息", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
/// <summary>
/// 文件基本属性设置
/// </summary>
private void button5_Click(object sender, EventArgs e)
{
string filepath = @"c:\1.txt";
if (checkBox1.Checked && checkBox2.Checked)
{
File.SetAttributes(filepath, FileAttributes.ReadOnly | FileAttributes.Hidden);
MessageBox.Show("文件已经改为只读且隐藏", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
if (!checkBox1.Checked && !checkBox2.Checked)
{
File.SetAttributes(filepath, FileAttributes.ArcHive);
MessageBox.Show("文件已经改为正常", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
if (checkBox2.Checked)
{
File.SetAttributes(filepath, FileAttributes.ReadOnly);
MessageBox.Show("文件已经改为只读", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
if (checkBox1.Checked)
{
File.SetAttributes(filepath, FileAttributes.Hidden);
MessageBox.Show("文件已经改为隐藏", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
}
/// <summary>
/// 文件夹操作
/// </summary>
private void button6_Click(object sender, EventArgs e)
{
Int16 p = Convert.ToInt16(comboBox3.SelectedIndex);
if (p == -1)
{
MessageBox.Show("请您选择文件夹操作方式", "警告信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
string sourcepath = @"c:\1";
string targetpath = @"c:\2";
MyFileOption myoption = new MyFileOption();
string[] filesname = null;
bool i = myoption.DirectoryOption(sourcepath, targetpath, p, out filesname);
if (i == true)
{
MessageBox.Show("磁盘文件夹操作成功", "保存信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
if (filesname != null)
{
foreach (string somestring in filesname)
{
richTextBox1.Text += somestring + "\r\n";
}
}
}
else
{
MessageBox.Show("磁盘文件夹操作时出错", "错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
}
} |
u实验步骤（3）：
向项目中添加名为FileOption.cs的类文件，并准备填写关于文件操作的各种方法，如图3－8所示：
图3-8 建立FileOption.cs图
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