点滴积累【C#】---操作文件

操作文件

写入文件效果：

  

写入文件代码：

private void 保存ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                FileStream fs = new FileStream(@"D:FileStream.txt", FileMode.Create);
                StreamWriter sw = new StreamWriter(fs);
                string content = textBox1.Text.Trim();
                sw.Write(content);
                sw.Close();
                fs.Close();
                MessageBox.Show("保存成功");
            }
            catch
            {
                MessageBox.Show("保存出错");
            }
        }

---

读取文件效果：

 

读取文件代码：

private void 查看ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                FileStream fs = new FileStream(@"D:FileStream.txt", FileMode.Open);
                StreamReader sr = new StreamReader(fs);
                string content = sr.ReadToEnd();
                textBox1.Text = content;
                sr.Close();
                fs.Close();

            }
            catch
            {
                MessageBox.Show("查看出错");
            }
            
        }

---

拷贝文件效果：

 

拷贝文件代码：

private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                string path1 = textBox1.Text.Trim();
                string path2 = textBox2.Text.Trim();
                if (File.Exists(path1) == true)
                {
                    File.Copy(path1, path2);
                    MessageBox.Show("拷贝成功");
                }
            }
            catch
            {
                MessageBox.Show("拷贝失败");
            }
        }

---

移动文件：

 

代码：

private void button2_Click(object sender, EventArgs e)
        {
            try
            {
                string path1 = textBox1.Text.Trim();
                string path2 = textBox2.Text.Trim();
                if (File.Exists(path1) == true)
                {
                    File.Move(path1, path2);
                    MessageBox.Show("移动成功");
                }
            }
            catch
            {
                MessageBox.Show("移动失败");
            }
        }

---

删除文件

代码:

private void button3_Click(object sender, EventArgs e)
        {
            try
            {
                string path = textBox1.Text.Trim();
                if (File.Exists(path) == true)
                {
                    File.Delete(path);
                    MessageBox.Show("删除成功");
                }
            }
            catch
            {
                MessageBox.Show("删除失败");
            }
        }