|
#region 列表框事件
protected void lb_FileList_SelectedIndexChanged(object sender, EventArgs e)
{
//从config中读取文件上传路径
string strFileUpladPath = ConfigurationManager.AppSettings["FileUplodePath"].ToString();
//从列表框中读取选择的文件名
string strFileName = lb_FileList.SelectedValue;
//组合成物理路径
string strFilePhysicalPath = Server.MapPath(strFileUpladPath + "/") + strFileName;
//根据物理路径实例化文件信息类
FileInfo fi = new FileInfo(strFilePhysicalPath);
//或得文件大小和创建日期赋值给标签
lbl_FileDescription.Text = string.Format("文件大小：{0}字节<br><br>上传时间：{1}<br>", fi.Length, fi.CreationTime);
//把文件名赋值给重命名文件框
tb_FileNewName.Text = strFileName;
}
#endregion
#region 下载文件按钮事件
protected void btn_DownLoad_Click(object sender, EventArgs e)
{
//从web.config读取文件上传路径
string strFileUploadPath = ConfigurationManager.AppSettings["FileUplodePath"].ToLower();
//从列表框中读取选择的文件
string strFileName = lb_FileList.SelectedValue;
//组合成物理路径
string FullFileName = Server.MapPath(strFileUploadPath + "/") + strFileName;
FileInfo DownloadFile = new FileInfo(FullFileName);
Response.Clear();
Response.ClearHeaders();
Response.Buffer = false;
Response.ContentType = "application/octet-stream ";
Response.AppendHeader("Content-Disposition ", "attachment;filename= "
+ HttpUtility.UrlEncode(DownloadFile.FullName, System.Text.Encoding.UTF8));
Response.AppendHeader("Content-Length ", DownloadFile.Length.ToString());
Response.WriteFile(DownloadFile.FullName);
Response.Flush();
Response.End();
}
#endregion
#region 删除文件
protected void btn_Delete_Click(object sender, EventArgs e)
{
//从config中读取文件上传路径
string strFileUpladPath = ConfigurationManager.AppSettings["FileUplodePath"].ToString();
//从列表框中读取选择的文件名
string strFileName = lb_FileList.SelectedValue;
//组合成物理路径
string strFilePhysicalPath = Server.MapPath(strFileUpladPath + "/") + strFileName;
//删除文件
System.IO.File.Delete(strFilePhysicalPath);
//更新文件列表框控件
lb_FileList.Items.Remove(lb_FileList.Items.FindByText(strFileName));
//更新文件夹信息
InitFolderInfo();
//更新文件描述信息
tb_FileNewName.Text = "";
//更新重命名文本框
lbl_FileDescription.Text = "";
//调用自定义消息提示
ShowMessageBox("删除成功!");
}
#endregion
#region 重命名文件
protected void btn_Rename_Click(object sender, EventArgs e)
{
//从web.config中读取文件上传路径
string strFileUpladPath = ConfigurationManager.AppSettings["FileUplodePath"].ToString();
//从列表框中控件中读取选择的文件名
string strFileName = lb_FileList.SelectedValue;
//重命名文本框或得选择的文件名
string strFileNewName = tb_FileNewName.Text;
//组合成物理路径
string strFilePhysicalPath = Server.MapPath(strFileUpladPath + "/") + strFileName;
//组合成新物理路径
string strFileNewPhysicalPath = Server.MapPath(strFileUpladPath + "/") + strFileNewName;
//文件重命名,即获取新地址覆盖旧地址的过程
System.IO.File.Move(strFilePhysicalPath, strFileNewPhysicalPath);
//找到文件列表的匹配项
ListItem li = lb_FileList.Items.FindByText(strFileName);
//修改文字
li.Text = strFileNewName;
//修改值
li.Value = strFileNewName;
//调用自定义方法现实
ShowMessageBox("文件覆盖成功!");
}
#endregion
#region 下拉列表事件
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
MultiView1.ActiveViewIndex = Convert.ToInt32(DropDownList1.SelectedValue);
}
#endregion
}
共2页: 上一页 [1] 2 下一页
| 
