default.aspx.cs

用C#开发电子邮件服务器

using System;
using System.Data;
using System.Configuration;
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.Text;
using System.Xml;
using DataSet1TableAdapters;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        DataSet1 dataset = new DataSet1();
        UserInfoTableAdapter dataadapter = new UserInfoTableAdapter();
        dataadapter.Fill(dataset.UserInfo);
        int count = dataset.UserInfo.Count;
        if (Request.InputStream.Length != 0)
        {
            String str1 = Page_Str(Request.InputStream);
            XmlDocument inputXML = new XmlDocument();
            inputXML.LoadXml(str1);
            String InfoType = inputXML.DocumentElement.FirstChild.Attributes["Type"].Value;
            String userName = inputXML.DocumentElement.GetElementsByTagName("UserName")[0].FirstChild.Value;
            String password = inputXML.DocumentElement.GetElementsByTagName("Password")[0].FirstChild.Value;
           // String email = inputXML.DocumentElement.GetElementsByTagName("EMail")[0].FirstChild.Value;
           // bool haveName = false;
            if (InfoType == "enter")
            {
                int i = 0;
                for ( i = 0; i < dataset.UserInfo.Rows.Count; i++)
                {
                 

                    if (userName == ((DataSet1.UserInfoRow)(dataset.UserInfo.Rows[i])).UserName)
                    {
                      
                        if (password == ((DataSet1.UserInfoRow)(dataset.UserInfo.Rows[i])).Password)
                        {
                            String str2 = "successful";
                            this.Response.Write(str2);
                            break;
                        }
                        else
                        {
                            String str2 = "password error!";
                            this.Response.Write(str2);
                            break;
                        }
                     
                    }

                }
                if (i >= dataset.UserInfo.Rows.Count)
                {
                    this.Response.Write("The user does not exist!");
                    this.Response.End();
                }

            }



            if (InfoType == "login")
            {
                bool haveName = false;
                String Email = inputXML.DocumentElement.GetElementsByTagName("Email")[0].FirstChild.Value;
                for (int i = 0; i < dataset.UserInfo.Rows.Count; i++)
                {
                    if (userName == ((DataSet1.UserInfoRow)(dataset.UserInfo.Rows[i])).UserName)
                    {
                        haveName = true;
                        break;
                    }
                }
                if (haveName == true)
                {

                    this.Response.Write("The user already exists!");
                    this.Response.End();
                }
                if (haveName != true)
                {
                    DataSet1.UserInfoRow row = dataset.UserInfo.NewUserInfoRow();
                    row.UserName = userName;
                    row.Password = password;
                    row.email = Email;
                    dataset.UserInfo.AddUserInfoRow(row);
                    dataadapter.Update(dataset);
                    this.Response.Write("Registration success!");
                    this.Response.End();
                }
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
     //   this.TextBox1.Text = "Computer计算机";
    }

    protected String Page_Str(Stream str)
    {
        StringBuilder sb = new StringBuilder();

        // Create a Stream object.
        int strLen = (int)str.Length;                    // Find number of Bytes in stream.
        Byte[] strArr = new Byte[strLen];           // Create a Byte array.
        int strRead = str.Read(strArr, 0, strLen);   // Read stream into Byte array.

        // Convert Byte array to a text string.
        for (int counter = 0; counter < strLen; counter++)
        {
            sb.Append(System.Convert.ToChar(strArr[counter]));
        }
        return sb.ToString();
    }
}