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");
             }
         }