adddocument.aspx.cs

办公自动化系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using OfficeAuto.Components;
using System.IO;

namespace OfficeAuto.DesktopModules.Document
{
	/// <summary>
	/// AddDocument 的摘要说明。
	/// </summary>
	public class AddDocument : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button SubmitBtn;
		protected System.Web.UI.WebControls.Button ReturnBtn;
		protected System.Web.UI.HtmlControls.HtmlInputText Title;
		protected System.Web.UI.HtmlControls.HtmlTextArea Content;
		protected System.Web.UI.HtmlControls.HtmlInputText Author;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfT;
		protected System.Web.UI.HtmlControls.HtmlInputText FromSource;
		protected System.Web.UI.HtmlControls.HtmlInputFile FileDir;

		private static string FILEDIR = "\\DesktopModules\\Document\\Attachments";
	
		private void Page_Load(object sender, System.EventArgs e)
		{		
			///判断用户是否登录，否则跳转到登录页面
			if(Session["UserID"] == null)
			{
				Response.Redirect("~/Default.aspx");
			}

		}


		private string FileUpload(HtmlInputFile inputFile)
		{		
	        String fileName = "";
     
			if(inputFile.PostedFile.ContentLength > 0 && inputFile.Value.ToString() != "")
			{
				String fileTailName = "";

				///获取文件后缀
				fileTailName = inputFile.PostedFile.FileName.Substring(
					inputFile.PostedFile.FileName.LastIndexOf("."));

				///获取部分文件名称
				fileName = inputFile.PostedFile.FileName.Substring(inputFile.PostedFile.FileName.LastIndexOf("\\"),
					inputFile.PostedFile.FileName.Length - inputFile.PostedFile.FileName.LastIndexOf("\\"));

				///构造上载文件的名称
				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();

				///创建完整的文件名
				fileName = "\\" + fileTime + GetRandomint() + fileName.Substring(fileName.IndexOf("."),fileName.Length - fileName.IndexOf("."));
			}

			if(File.Exists(Server.MapPath(Request.ApplicationPath) + FILEDIR + fileName) == false)
			{
				try
				{ 
					///上载文件		
					inputFile.PostedFile.SaveAs(Server.MapPath(Request.ApplicationPath) + FILEDIR + fileName);
				}
				catch(Exception ex)
				{						
					SystemError.SystemLog(ex.Message);
					Server.Transfer("../ErrorPage.aspx");
				}
			}
			if(fileName == "")
			{
				return(null);
			}
			else
			{
				return(FILEDIR + fileName);
			}
		}


		private void SubmitBtn_Click(object sender, System.EventArgs e)
		{
			if(Title.Visible.ToString().Trim().Length > 0)
			{
				string docUrl = FileUpload(FileDir);
				OfficeAuto.Components.Document doc = new OfficeAuto.Components.Document();
				int nDocumentID = doc.AddDocument(Title.Value.ToString(),
					Content.Value.ToString(),
					Int32.Parse(Session["UserID"].ToString()),
					docUrl,Author.Value.ToString(),FromSource.Value.ToString());

				if(nDocumentID > 0)
				{
					Response.Write("<script language=javascript>alert('文档提交成功!');</script>");
				}
				else
				{ 
					///删除已经上载的文件
					if(File.Exists(Server.MapPath(Request.ApplicationPath) + docUrl) == true)
					{
						File.Delete(docUrl);
					}
					Response.Write("<script language=javascript>alert('文档提交失败!');</script>");
				}
			}
		}

		private void ReturnBtn_Click(object sender, System.EventArgs e)
		{
			//关闭窗口
			Response.Write("<script>window.close();</script>");
		}

		private String GetRandomint()
		{
			Random random = new Random();

			return(random.Next(10000).ToString());
		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.SubmitBtn.Click += new System.EventHandler(this.SubmitBtn_Click);
			this.ReturnBtn.Click += new System.EventHandler(this.ReturnBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}