default.aspx.cs

这是asp.net^和Visual C++Sharp编写的串并口通讯的书籍 源代码

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.Text;
public partial class _Default : System.Web.UI.Page
{
    public static jmail.POP3Class popMail;
    public static jmail.Message mailMessage;
    public static jmail.Attachments atts;
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    public static string Base64Decode(string str)
    {
        return Encoding.UTF8.GetString(Convert.FromBase64String(str));
    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        if (popMail.Count > 0)
        {
            if (Convert.ToInt32(TextBox1.Text) <= popMail.Count)
            {

                mailMessage = popMail.Messages[Convert.ToInt32(TextBox1.Text)];
                mailMessage.Charset = "GB2312";
                mailMessage.Encoding = "Base64";
                mailMessage.ISOEncodeHeaders = false;
                txtpriority.Text = mailMessage.Priority.ToString();
                txtSendMail.Text = mailMessage.From;
                txtSubject.Text =Base64Decode(mailMessage.Subject);
                txtBody.Text = Base64Decode(mailMessage.Body);
                txtSize.Text = mailMessage.Size.ToString();
            }
            else
            {
                Response.Write("<script>alert('超出邮件数范围')</script>");
            }
        }
        else
        {
            Response.Write("没有新邮件");
        }
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        popMail = new jmail.POP3Class();
        try
        {
            popMail.Connect(TxtPopUser.Text.Trim(), TxtPopPwd.Text.Trim(), TxtPopServer.Text.Trim(), Convert.ToInt32(TxtPopPort.Text.Trim()));
            TxtPopPort.Enabled = false;
            TxtPopPwd.Enabled = false;
            TxtPopServer.Enabled = false;
            TxtPopUser.Enabled = false;
            Page.RegisterStartupScript("", "<script>alert('连接成功')</script>");
            Button2.Enabled = false;
            Button1.Enabled = true;
            Button3.Enabled = true;
            Label1.Text = "邮箱内共有邮件" + popMail.Count.ToString() + "封";
        }
        catch
        {
            Response.Write("请检查邮件服务器的设置是否正确");
        }
    }
    protected void Button3_Click(object sender, EventArgs e)
    {
        popMail.Disconnect();
        popMail = null;
        TxtPopPort.Enabled = true;
        TxtPopPwd.Enabled = true;
        TxtPopServer.Enabled = true;
        TxtPopUser.Enabled = true;
        Button1.Enabled = false;
        Button3.Enabled = false;
        Button2.Enabled = true;
    }
}