viewchatlog.aspx.cs

是一个简易的聊天系统

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.Xml;
using System.Text;
using System.IO;
using System.Xml.Xsl;

public partial class ViewChatLog : System.Web.UI.Page
{
    int step = 0;
    string sortBy = "Name";
    protected void Page_Load(object sender, EventArgs e)
    {
       // if (!IsPostBack)
       // {
            if (Request["Act"] != null)
            {
                switch (Request["Act"].ToUpper())
                { 
                    case "LIST":
                        step = 1;
                        break;
                    case "READ":
                        step = 2;
                        break;
                    case "LOGIN":
                        if (clogin())
                            step = 1;
                        else
                            step = 0;
                        break;
                    default:
                        step = 0;
                        break;

                }
            }

            if (Request["Sort"] == null)
            {
                sortBy = "Name";
            }
            else
            {
                if (Request["Sort"].ToString() == "Date")
                    sortBy = "Date";
            }
            if (Session["ChatLogin"] == null)
            {
                step = 0;
            }

            Response.Write(TransForm(buildDefaultXML(), "xslt/ViewChatLog.xsl", "<?xml version=\"1.0\" encoding=\"utf-8\"?>", "", Page));
            //Response.Write(buildDefaultXML().InnerXml);
            //Response.Write(Request["pass"]);
            //Response.Write( list());
        //}
    }


    private XmlDocument buildDefaultXML()
    {
        StringBuilder sb = new StringBuilder();
        sb.Append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
        sb.Append("<log>");
        sb.Append(" <Global>");
        sb.Append("     <Step>" + step.ToString() + "</Step>");
        sb.Append("     <Sort>" + sortBy + "</Sort>");
        sb.Append(" </Global>");
        if (step != 0)
        {
            sb.Append("<FileList>");
            sb.Append(getNameList());
            sb.Append("</FileList>");
        }
        if (step == 2)
        {
            sb.Append("<fileContent>");
            sb.Append(viewLog());
            sb.Append("</fileContent>");
        }
        sb.Append("<CustType>" + getType() + "</CustType>");
        sb.Append("</log>");
        XmlDocument xd = new XmlDocument();
        xd.LoadXml (sb.ToString());
        return xd;
        
    }


    private bool clogin()
    {
        if (Request["name"] != null && Request["pass"] != null)
        {
            if (Request["name"].ToUpper() == "VCSALE" && Request["pass"].ToUpper() == "VCSALEADMIN")
            {
                Session["ChatLogin"] = true;
                return true;
            }
        }
        
        return false;
    }

    private string getType()
    {
        XmlDocument xd = new XmlDocument();
        xd.Load(ConfigurationManager.AppSettings["path"].ToString() + "\\..\\CustServiceType.xml");
        return xd.SelectSingleNode("//LH").InnerXml;
    }

    private string viewLog()
    {
        if (Request["f"] == null)
        {
            return "";
        }
        else
        {
            XmlDocument xd = new XmlDocument();
            xd.Load(ConfigurationManager.AppSettings["path"].ToString() + "\\" + Request["f"].ToString());
            return xd.SelectSingleNode("//root").InnerXml;
        }
    }

    private string getNameList()
    {
        DirectoryInfo driInfo = new DirectoryInfo(ConfigurationManager.AppSettings["path"].ToString());
        FileSystemInfo[] files = driInfo.GetFileSystemInfos();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < files.Length; i++)
        {
            string fileNameFULL = ((FileInfo)files[i]).FullName;
            string fileName = fileNameFULL.Substring(fileNameFULL.LastIndexOf("\\")+1);

            sb.Append(" <file Name=\"" + fileName.Substring(0,fileName.IndexOf("_")) + "\" Date=\"" + ((FileInfo)files[i]).CreationTime.ToShortDateString() + "\">" + fileName + "</file>");
        }
        return sb.ToString();
    }

    private static string TransForm(XmlDocument xd, string xslURL, string str, string replacestr,System.Web.UI.Page page)
    {
        XslTransform xsl = new XslTransform();
        xsl.Load(page.Server.MapPath(xslURL));
        System.IO.MemoryStream t = new System.IO.MemoryStream();
        xsl.Transform(xd, null, t, null);
        string resultString = System.Text.UTF8Encoding.UTF8.GetString(t.ToArray());
        return resultString.Replace(str, replacestr);
    }
}