protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
// 首先从cookie中读取保存的用户名密码
string strCKName = "AdminLogin";
string strUsername = HelperCookie.getCookie(strCKName, "username");
string strPassword = HelperCookie.getCookie(strCKName, "password");
if (!"".Equals(strUsername) && !"".Equals(strPassword))
{
int intAdminID;
string strPurviews;
int intEnabled;
int intIsDeleted;
BllAdmin.login(strUsername, strPassword,
out intAdminID, out strPurviews, out intEnabled, out intIsDeleted);
if (intAdminID > 0)
{
if (intEnabled == 1 && intIsDeleted == 0)
{
Session["AdminID"] = intAdminID;
Session["Purviews"] = strPurviews;
Response.Redirect("home.aspx");
}
else
{
// 清除 Cookie
HelperCookie.removeCookie("AdminLogin");
}
}
}
// 到了这里，说明cookie中没有保存账号密码，或者保存的账号密码不能登录
tbUsername.Value = "";
tbPassword.Value = "";
cbRememberMe.Checked = false;
}
}
protected void btnLogin_Click(object sender, EventArgs e)
{
string strMsgError = "";
string strUsername = tbUsername.Value.ToString().Trim();
if ("".Equals(strUsername))
{
strMsgError += "用户名不能为空！\n";
}
string strPassword = tbPassword.Value.ToString();
if ("".Equals(strPassword))
{
strMsgError += "密码不能为空！\n";
}
if (!"".Equals(strMsgError))
{
HelperUtility.showAlert(strMsgError, "login.aspx");
}
// 验证完毕，提交数据
strPassword = HelperCrypto.encode(strPassword, "DES");
int intAdminID;
string strPurviews;
int intEnabled;
int intIsDeleted;
BllAdmin.login(strUsername, strPassword,
out intAdminID, out strPurviews, out intEnabled, out intIsDeleted);
if (intAdminID > 0)
{
if (intEnabled == 1 && intIsDeleted == 0)
{
// 用户名密码验证正确，保存到cookie里
string strCKName = "AdminLogin";
if (cbRememberMe.Checked)
{
string strCKKey = "username";
string strCKValue = strUsername;
HelperCookie.setCookie(strCKName, strCKKey, strCKValue, 7 * 24 * 60);
strCKKey = "password";
strCKValue = strPassword;
HelperCookie.setCookie(strCKName, strCKKey, strCKValue, 7 * 24 * 60);
}
else
{
// 如果没有勾选记住我复选框，就要清除cookie里的登录数据
// 将过期时间设置为-1即可清除保存的值
HelperCookie.removeCookie(strCKName);
}
// 保存到Session里
Session["AdminID"] = intAdminID;
Session["Purviews"] = strPurviews;
Response.Redirect("home.aspx");
}
else
{
string strOPMsg = "<script>";
strOPMsg += "alert('登录失败！此用户已暂停使用！请联系网络管理员！');";
strOPMsg += "location='login.aspx';</script>";
Response.Write(strOPMsg);
}
}
else
{
string strOPMsg = "<script>";
strOPMsg += "alert('登录失败！用户名密码不正确，请重新输入！');";
strOPMsg += "location='login.aspx';</script>";
Response.Write(strOPMsg);
}
}