每天早上的代码

namespace X

{

     public class Login:System.Web.UI.Page

{

    protected string PreUserName{get;set;}

protected string Js{get;set;}

public string Load_Page(object sender,EvevtAges e)

{

    if(!IsPostBack)

{

   PreUserName=Request.Cookies["txtusername"]==null?string.Empty:Request.Cookies["txtLoginName"].Value;

}

else

{

   PreUserName=Request["txtLoginName"];

}

 

}

public string btnLoginClick(object sender,ImageButtonEventAges)

{

   string sendCode=Session["ValidDateCode"]==null?string.Empty:Session["ValidDateCode"].ToString();

string reviceCode=Request["txtCode"];

if(!sendCode.Equals(reviceCode))

{

   Js="<script>alert('验证码错误')</script>"

    return ;

}

string strUsername=Request["txtLoginName"];

string StrPwd=Request["txtPassword"];

BLL.CZBK_user userInfoservice=new CZBK_user();

Model.CZBK_user user=userInfoservice.GetModelList(strUserName,strPassword);

if(user==null)

{

    Js="<script>alert('验证码和密码错误')</script>";

return ;

}

Session["Loginuser"]=user;

string name=Request["txtLogin"];

if(!string.Empty(name))

{

    Response.Cookies["userName"].value=name;

//删除Cookies；

Response.Cookies["userName"].Expirse=DateTime.Now.AddDays(7);

}

Response.Redirct("Admin.aspx");

}

}

}

//MD5

public class Md5

{

     public string StringFormString(string str)

{

   MD5 md5=MD5.Create();

StringBuilder sb=new StringBuilder();

byte[]bytes=System.Text.Enconding.UTF8.GetBytes[str];

byte[]bys=md5.ComputerHash(bytes);

for(int i=0;i<bys.Length;i++)

{

  sb.Append(bys[i].ToString("x2"));

}

md5.Clear();

return sb.ToString();

}

public string StringFromFile(string path)

{

     MD5 md5=MD5.Create();

 using(FileStream fs=File.OpenRead(path))

 {

    StringBuilder sb=new StringBuilder();

byte[]bys=md5.ComputerHash(fs);

for(int i=0;i<bys.Length;i++)

  {

        sb.Append(bys[i].ToString("x2"));

  }

  md5.Clear();

  return sb.ToString();

 

 }

}

}