Windows 8开发入门（十三） windows 8的文件及文件夹管理 2

文件以及文件夹操作

在本文中我们将学习win 8中的文件以及文件夹的各种操作。

在本文中文件操作主要是讲述：删 除文件/移动文件/复制文件/重命名文件

文件夹操作分为：读取文件夹/创建文件夹/删除文件夹/重 命名文件夹

首先贴出所有的Xaml代码文件部分：

<Grid Background="{StaticResource 

ApplicationPageBackgroundThemeBrush}">
        <!--显示区-->
        <TextBlock HorizontalAlignment="Left" Margin="137,42,0,0" TextWrapping="Wrap" Text="文件名:"
                   VerticalAlignment="Top" Height="23" Width="43"/>
        <TextBox HorizontalAlignment="Left" Margin="185,33,0,0" TextWrapping="Wrap"
                 Text="test.txt" VerticalAlignment="Top" Width="121" Name="tbFileName"/>
        <TextBox HorizontalAlignment="Left" Margin="457,33,0,0" TextWrapping="Wrap"
                 Text="默认需要添加的文件内容" VerticalAlignment="Top" Width="431" Name="tbContent"/>
        <TextBlock HorizontalAlignment="Left" Margin="396,42,0,0" TextWrapping="Wrap" Text="文件内容："
                   VerticalAlignment="Top" Height="23" Width="61"/>
        <TextBlock HorizontalAlignment="Left" Margin="127,163,0,0" TextWrapping="Wrap" Text="提示："
                   VerticalAlignment="Top" Height="23" Width="761" Name="tb_show"/>
        <!--删除文件 移动文件 复制文件 重命名文件-->
        <Button Content="创建并写入文件" HorizontalAlignment="Left" Margin="127,99,0,0"
                Name="btnCreateFile" VerticalAlignment="Top" Click="btnCreateFile_Click"/>
        <Button Content="读取string文件" HorizontalAlignment="Left" Margin="757,99,0,0"
            x:Name="btnReadFile" VerticalAlignment="Top" Click="btnReadFile_Click"/>
        <Button Content="删除文件" HorizontalAlignment="Left" Margin="127,223,0,0"
            x:Name="btnDeleteFile" VerticalAlignment="Top" Click="btnDeleteFile_Click"/>
        <Button Content="移动文件" HorizontalAlignment="Left" Margin="320,223,0,0"
            x:Name="btnMoveFile" VerticalAlignment="Top" Click="btnMoveFile_Click"/>
        <Button Content="复制文件" HorizontalAlignment="Left" Margin="560,223,0,0"
            x:Name="btnCopyFile" VerticalAlignment="Top" Click="btnCopyFile_Click"/>
        <Button Content="重命名文件" HorizontalAlignment="Left" Margin="780,223,0,0"
            x:Name="btnReNameFile" VerticalAlignment="Top" Click="btnReNameFile_Click"/>
        <!--读取文件夹 创建文件夹 删除文件夹 重命名文件夹-->
        <Button Content="读取文件夹" HorizontalAlignment="Left" Margin="127,296,0,0"
                VerticalAlignment="Top" Name="readFolder" Click="readFolder_Click"/>
        <Button Content="创建文件夹" HorizontalAlignment="Left" Margin="305,296,0,0"
                VerticalAlignment="Top" x:Name="btnCreateFolder" Click="btnCreateFolder_Click"/>
        <Button Content="删除文件夹" HorizontalAlignment="Left" Margin="545,296,0,0"
                VerticalAlignment="Top" x:Name="btnDeleteFolder" Click="btnDeleteFolder_Click"/>
        <Button Content="重命名文件夹" HorizontalAlignment="Left" Margin="766,296,0,0"
                VerticalAlignment="Top" x:Name="btnReNameFolder" Click="btnReNameFolder_Click"/>
    </Grid>

其次我们来看删除文件/移动文件/复制文件/重命名文件的Cs代码：

private async void btnDeleteFile_Click(object sender, RoutedEventArgs e)        

{            try            {                StorageFile sf = await storageFolder.GetFileAsync(this.tbFileName.Text.Trim());                await sf.DeleteAsync();                tb_show.Text = "提示:" + this.tbFileName.Text.Trim() + "文件删除成功!";            }            catch (Exception ex)            {                tb_show.Text = "提示:未找到该文件，请先创建文件";            }        }        private async void btnMoveFile_Click(object sender, RoutedEventArgs e)        {            try            {          

      //将文件从文档移动到音乐库                StorageFile sf = await storageFolder.GetFileAsync(this.tbFileName.Text.Trim());                StorageFolder newfolder = KnownFolders.MusicLibrary;                await sf.MoveAsync(newfolder, "moveFile.txt", NameCollisionOption.ReplaceExisting);                tb_show.Text = "提示:“库\\文档\\" + this.tbFileName.Text.Trim() + "”文件移动到“库\\音乐\\moveFile.txt”";            }            catch (Exception ex)            

{                tb_show.Text = "提示:未找到该文件，请先创建文件";            

}        }        private async void btnCopyFile_Click(object sender, RoutedEventArgs e)        {            try            {                StorageFile sf = await storageFolder.GetFileAsync(this.tbFileName.Text.Trim());                StorageFile storageFileCopy = await sf.CopyAsync(KnownFolders.DocumentsLibrary, "copyFile.txt",                    NameCollisionOption.ReplaceExisting); 
         tb_show.Text = "提示:“库\\文档\\" + this.tbFileName.Text.Trim() + "”文件拷贝一份到“库\\文档\\copyFile.txt”";            }            catch (Exception ex)            {                tb_show.Text = "提示:未找到该文件，请先创建文件

";            }        }        private async void btnReNameFile_Click(object sender, RoutedEventArgs e)        {            try            {                StorageFile sf = await storageFolder.GetFileAsync(this.tbFileName.Text.Trim());              

  await sf.RenameAsync("renameFile.txt", NameCollisionOption.ReplaceExisting);     

           tb_show.Text = "提示:“库\\文档\\" + this.tbFileName.Text.Trim() + "”文件重命名为“库\\文档\\renameFile.txt”";            }            catch (Exception ex)            {                tb_show.Text = "提示:未找到该文件，请先创建文件";            }        }

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