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.Data.SqlClient;
using OfficeAutomatization;
using System.IO;

public partial class AddDocument : System.Web.UI.Page
{
	private static string FILEDIR = "\\DesktopModules\\Document\\Attachments";
    protected void Page_Load(object sender, EventArgs e)
    {
		///
	}	

	protected void AddBtn_Click(object sender, EventArgs e)
	{
		///如果頁(yè)面輸入內(nèi)容合法
		if (Page.IsValid == true)
		{
			///定義類
			OfficeAutomatization.Document document = new OfficeAutomatization.Document();
			try
			{
				///添加新數(shù)據(jù)
				document.AddDocument(Desn.Text.Trim(),Body.Text,
					Int32.Parse(Session["UserID"].ToString()),
					Author.Text.Trim(),
					FromSource.Text,
					UploadAttachment(),
					Remark.Text);

				///顯示操作結(jié)果信息
				Response.Write("<script>window.alert('" + ASPNET2System.OPERATIONADDSUCCESSMESSAGE + "')</script>");
			}
			catch (Exception ex)
			{
				///顯示添加操作中的失敗、錯(cuò)誤信息
				Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl="
					+ ASPNET2System.RedirectErrorUrl(Request.RawUrl)
					+ "&ErrorMessage=" + ex.Message.Replace("\n", " "));
			}
		}
	}

	protected void ReturnBtn_Click(object sender, EventArgs e)
	{
		///返回管理頁(yè)面
		Response.Redirect("~/DesktopModules/Document/DocumentManage.aspx");
	}

	private string UploadAttachment()
	{
		if (AttachmentFile.PostedFile.ContentLength > 0)
		{
			String fileName = AttachmentFile.PostedFile.FileName.Substring(AttachmentFile.PostedFile.FileName.LastIndexOf("\\"),
				AttachmentFile.PostedFile.FileName.Length - AttachmentFile.PostedFile.FileName.LastIndexOf("\\"));

			String fileTime = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString()
				+ DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString()
				+ DateTime.Now.Second.ToString() + DateTime.Now.Minute.ToString()
				+ DateTime.Now.Millisecond.ToString();

			fileName = "\\" + fileTime + GetRandomint() + fileName.Substring(fileName.IndexOf("."), fileName.Length - fileName.IndexOf("."));
			string sFileName = Server.MapPath(Request.ApplicationPath) + FILEDIR + fileName;

			if (File.Exists(sFileName) == false)
			{
				try
				{
					//把文件存入磁盤，如果失敗，導(dǎo)向提示頁(yè)面
					AttachmentFile.PostedFile.SaveAs(sFileName);
					return ("Attachments" + fileName);
				}
				catch (Exception ex)
				{
					string sRawURL = Request.RawUrl;

					if (sRawURL.IndexOf("?") > -1)
					{
						sRawURL = sRawURL.Substring(0, sRawURL.IndexOf("?"));
					}
					Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl=" + sRawURL + "&ErrorMessage=" + ex.Message.Replace("\n", " "));
				}
			}
			else
			{
				Response.Write("<script>alert(\"你上傳的文件已經(jīng)存在！\")</script>");
			}
		}
		else
		{
			Response.Write("<script>alert(\"你輸入的文件的內(nèi)容為空，請(qǐng)重新輸入！\")</script>");
		}

		return ("");
	}

	private String GetRandomint()
	{
		Random random = new Random();
		return (random.Next(10000).ToString());
	}
}