default.aspx.cs

本程序基于 asp.net 2.0 +sql server 2

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 lalablog;
    public partial class _default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            gourl();
        }

        private void gourl()
        {
            string url, first, last;
            int a, x, y;
            //获取地址栏中的url
            url = Request.Url.ToString();
            x = url.IndexOf(".");
            //或者x.blog.net中x的部分
            first = url.Substring(7, x - 7);
            y = url.IndexOf("/", x);

            last = url.Substring(x, y - x + 1);

            int userid;
            if (first == "blog" || first == "10")
                Response.Redirect("http://" + first + last + "index.aspx");
            else
            {
                userid = getuserid(first);
                if (userid > 0)
                    Response.Redirect("http://" + first + last + "read.aspx?userid=" + userid);
                else
                    Response.Redirect("http://" + first + last + "index.aspx");
            }

        }

        private int getuserid(string username)
        {
            string sql = "select userid from users where username='" + username + "'";
            openDb o1 = new  openDb(sql);
            string msg = o1.getValue();
            if (msg != "-1")
                return Convert.ToInt32(msg);
            else
                return 0;
        }
    }