adddocument.aspx.cs

办公室系统包括上下班打卡

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Data.SqlClient;

public partial class Platform_AddDocument : System.Web.UI.Page
{
	private int folderID;
	protected void Page_Load(object sender,EventArgs e)
	{	///判断用户是否登录
		UserSessionValue usv = (UserSessionValue)SessionKeyValue.GetUserSession(Session);
		if(usv == null)
		{   ///返回到上一个页面
			Response.Write("<script>history.back()</script>");
			///跳转到登录页面
			Server.Transfer("~/Common/UserLogin.aspx");
			return;
		}   ///获取文件夹的ID值
		if(Request.Params["FolderID"] != null)
		{
			folderID = Int32.Parse(Request.Params["FolderID"].ToString());
		}		
		if(!Page.IsPostBack)
		{   ///显示附件文件夹的名称
			if(folderID > 0)
			{
				BindParentFolder(folderID);
			}
		}
		///设置添加按钮的可用性
		btnAdd.Enabled = btnAddAndReturn.Enabled =
			folderID > 0 ? true : false;
	}

	private void BindParentFolder(int folderID)
	{   ///获取数据
		Folder folder = new Folder();
		SqlDataReader dr = folder.GetSingleFolder(folderID);
		if(dr == null)
		{
			return;
		}
		if(dr.Read())
		{   ///显示数据
			lbParentName.Text = dr["Name"].ToString();
		}
		dr.Close();
	}

	protected void btnAdd_Click(object sender,EventArgs e)
	{   ///获取用户登录信息
		UserSessionValue usv = (UserSessionValue)SessionKeyValue.GetUserSession(Session);
		if(usv == null)
		{
			return;
		}
		///上载文件，并获取上载文件的地址
		string url = UploadDocument();
		if(url == null)
		{
			return;
		}
		///执行添加操作
		Document document = new Document();
		if(document.AddDocument(
			tbName.Text + url.Substring(url.LastIndexOf(".")),
			tbDesn.Text,
			url,
			Int32.Parse(usv.UserID),
			folderID) > 0)
		{   ///显示提示信息
			SystemOperation.OpenDialog(Response,"添加新文档的信息成功……");
		}
	}
	protected void btnAddAndReturn_Click(object sender,EventArgs e)
	{   ///获取用户登录信息
		UserSessionValue usv = (UserSessionValue)SessionKeyValue.GetUserSession(Session);
		if(usv == null)
		{
			return;
		}
		///上载文件，并获取上载文件的地址
		string url = UploadDocument();
		if(url == null)
		{
			return;
		}
		///执行添加操作
		Document document = new Document();
		if(document.AddDocument(
			tbName.Text + url.Substring(url.LastIndexOf(".")),
			tbDesn.Text,
			url,
			Int32.Parse(usv.UserID),
			folderID) > 0)
		{   ///显示提示信息
			SystemOperation.OpenDialog(Response,"添加新文档的信息成功……");
			///返回到管理页面
			Server.Transfer("~/Platform/ViewDisk.aspx");
		}
	}
	protected void btnReturn_Click(object sender,EventArgs e)
	{   ///返回到管理页面
		Server.Transfer("~/Platform/ViewDisk.aspx");
	}

	private string UploadDocument()
	{
		if(fuDocument.HasFile == false)
		{
			SystemOperation.OpenDialog(Response,
				"数据为空，不能上载所选择的文件");
			return null;
		}
		///获取文件名称
		string tfName = fuDocument.PostedFile.FileName;
		///创建基于时间的文件名称
		string fileName = SystemOperation.CreateFileNameByDateTime()
			+ tfName.Substring(tfName.LastIndexOf("."));
		fileName = "../Files/" + fileName;
		///获取服务器端的文件名称
		string fullfilePath = Server.MapPath(fileName);
		if(File.Exists(fullfilePath) == true)
		{
			SystemOperation.OpenDialog(Response,
				"你上载的文件" + fileName + "已经存在，不能上载所选择的文件");
			return null;
		}

		try
		{   ///上载文件
			fuDocument.SaveAs(fullfilePath);
			return (fileName);
		}
		catch(Exception ex)
		{
			Server.Transfer(SystemOperation.FormatErrorPageUrl(
				SystemOperation.FormatErrorUrl(Request.RawUrl),ex.Message),
				false);
		}
		return null;
	}
}