简单刺绣图样花:请问“百度知道”这种关闭浏览器就关闭Session,需要重新登陆,而不关浏览器一直存在用C#怎么实现?
来源:百度文库 编辑:中科新闻网 时间:2024/05/10 08:47:00
做登录的时候,不写cookies,如我写的登录button中代码
private void Submit_Click(object sender, System.EventArgs e)
{
if (Page.IsValid)
{
Session["username"]=Username.Text;
//验证用户密码
SqlConnection1 = new SqlConnection(ConfigurationSettings.AppSettings["dsn"]);//取连接字符串,并建立连接
SqlCommand1=new SqlCommand("sp_selAdmin",SqlConnection1);
SqlCommand1.CommandType=CommandType.StoredProcedure;
SqlCommand1.Parameters.Add(new SqlParameter("@username", SqlDbType.Char,240));
SqlCommand1.Parameters["@username"].Value =Username.Text; //用户名
SqlCommand1.Parameters.Add(new SqlParameter("@password", SqlDbType.NChar,240));
SqlCommand1.Parameters["@password"].Value =Password.Text; //用户名
try
{
SqlConnection1.Open();
SqlDataReader1=SqlCommand1.ExecuteReader();
}
catch (SqlException e1)
{
Label1.Text ="数据库操作错误:"+e1.Message;
}
if(SqlDataReader1.Read()==true) //如果改变了用户名,就要检查是否与已有的记录相同
{
Session["userclass"]=SqlDataReader1["userclass"];
Session["pwd"]=SqlDataReader1["password"];
Session["classname"]=SqlDataReader1["classname"];
Session["popedom"]=SqlDataReader1["popedom"];
Session["id"]=SqlDataReader1["id"];
Session["power"]=SqlDataReader1["popedom"]; //????,等以后再说
string popedom=SqlDataReader1["popedom"].ToString();
int i=popedom.Length;
if(popedom.IndexOf("addnews",0,i)>=0) //验证是否有增加新闻的功能
{
Session["addnews"]=1;
}
else Session["addnews"]=0;
if(popedom.IndexOf("addnchk",0,i)>=0) //验证是否有增加新闻不需审核功能的权限
{
Session["addnchk"]=1;
}
else Session["addnchk"]=0;
if(popedom.IndexOf("chgnews",0,i)>=0) //验证是否有修改新闻的权限
{
Session["chgnews"]=1;
}
else Session["chgnews"]=0;
if(popedom.IndexOf("chknews",0,i)>=0) //验证是否有审核新闻的权限
{
Session["chknews"]=1;
}
else Session["chknews"]=0;
if(popedom.IndexOf("remark",0,i)>=0) //验证是否有管理评论的权限
{
Session["remark"]=1;
}
else Session["remark"]=0;
SqlConnection1.Close();
Response.Redirect("admin_main.htm"); //转向admin_main.htm
}
else
{
SqlDataReader1.Close();
SqlConnection1.Close();
Label2.Text="用户名或密码错误";
}
}
}