protected void regist(Object sender, EventArgs e)
{
if (!Page.IsValid)
{
return;
}
else
{
//变量和ID不可重名
UserInfo newUser = new UserInfo();
newUser.num = name.Text;
newUser.name = name_real.Text;
newUser.pwd = Md5encryption.md5encryption(password.Text);
newUser.phone = phone.Text;
newUser.email = email.Text;
for (int i = 0; i < newUser.name.Length; i++)
{
if (newUser.name[i] == '\\' || newUser.name[i] == '*' || newUser.name[i] == '\"')
{
MessageBox.Show("姓名不可以包含敏感词汇");
return;
}
}
string access_token = (string)Session["access_token"];
int errcode = registerADO.addNewUser(newUser, access_token);
if (errcode == 0)
{
MessageBox.Show("注册成功，前往登录");
Response.Redirect("Login.aspx");
}
else
{
MessageBox.Show("手机号绑定失败,错误码:" + errcode + ",请联系管理员************");
}
}
}
protected void login(object sender, EventArgs e)
{
//防止服务器请求过多
if ((int)Application["UserOnLineCnt"] == 100)
{
//MessageBox.Show("当前登录人数爆满,请稍后再试"+(int)Application["UserOnLineCnt"]);
MessageBox.Show("当前登录人数爆满,请稍后再试");
return;
}
if (login_name.Text == "" || login_password.Text == "")
{
MessageBox.Show("请输入用户名和密码再登陆");
return;
}
//在这里判断是否是当前登录
//首先获取当前用户的IP地址
string ipAddress = Request.ServerVariables["REMOTE_ADDR"];
//MessageBox.Show(ipAddress);
//获取表中的IP地址
try
{
Hashtable hOnline = (Hashtable)Application["num_id"];//读取全局变量
if (hOnline != null)
{
IDictionaryEnumerator idE = hOnline.GetEnumerator();
while (idE.MoveNext())
{
if (idE.Key != null && idE.Key.ToString().Equals(login_name.Text))//如果当前用户已经登录，
{
//说明找到了，获取num上次登录的IP地址
string ipaddress = idE.Value.ToString();
if (ipaddress == (string)Request.ServerVariables["REMOTE_ADDR"])
{
//无需操作
}
else
{
MessageBox.Show("异地登陆，请使用手机号登录");
return;
}
break;
}
}
}
else
{
hOnline = new Hashtable();//MessageBox.Show("不存在");
}
//如果可以到这里就更新一下。不存在或者登陆成功更新
hOnline[login_name.Text] = Request.ServerVariables["REMOTE_ADDR"];
Application.Lock();
Application["num_id"] = hOnline;
}
catch (Exception ee)
{
Application.UnLock();
}
finally
{
Application.UnLock();
}
//query字段
string num = login_name.Text;
string access_token = (string)Session["access_token"];
UserInfo loginUser = registerADO.getUserByNum(num, access_token);
if (loginUser != null)
{
if (loginUser.pwd == Md5encryption.md5encryption(login_password.Text.Trim()))
{
MessageBox.Show("登陆成功");
Session["num"] = loginUser.num;
Session["pwd"] = loginUser.pwd;
Session["name"] = loginUser.name;
Session["email"] = loginUser.email;
Session["phone"] = loginUser.phone;
Session["roleid"] = loginUser.roleid;
}
else
{
MessageBox.Show("用户名或密码错误");
return;
}
}
else
{
MessageBox.Show("用户名或密码错误");
return;
}
if (Request.Cookies["UserName"] == null || Request.Cookies["PassWord"] == null)
{
//没有cookies说明没有登陆过，新建一个Cookies
//值设置为当前登录名，过期时间设置为3天,添加到Response中去
HttpCookie userCookie = new HttpCookie("UserName", login_name.Text.Trim());
//userCookie.Value = "defaultName";
//过期日期为日期时间
//在当前天数上添加3天
userCookie.Expires = DateTime.Now.AddDays(3);
Response.Cookies.Add(userCookie);
HttpCookie pwdCookie = new HttpCookie("PassWord", Md5encryption.md5encryption(login_password.Text.Trim()));
userCookie.Expires = DateTime.Now.AddDays(3);
Response.Cookies.Add(pwdCookie);
}
else
{
//将数据存入cookies中
//这个cookie只有一个值所以直接Value
//该cookie更新值和过期时间即可
Response.Cookies["UserName"].Value = login_name.Text.Trim();
Response.Cookies["UserName"].Expires = DateTime.Now.AddDays(3);
Response.Cookies["PassWord"].Value = Md5encryption.md5encryption(login_password.Text.Trim());
Response.Cookies["PassWord"].Expires = DateTime.Now.AddDays(3);
}
Session["login"] = true;
//MessageBox.Show(Session.SessionID);
Session.Timeout = 20;
//Session["cunchu1"] = "可以存储多个数据";
//Session.Add("cunchu2", "这样也能存");
//Session.Abandon();
//会有出现死锁的问题
try
{
/* List<string> list = loginList.getUserList();
* if (list == null)
* {
* loginList.addUser(login_name.Text);
* }
* else
* {
* for (int i = 0; i < list.Count; i++)
* {
* MessageBox.Show(list[i]);
* }
* }*/
//利用Session来实现单点登录
Hashtable hOnline = (Hashtable)Application["Online"];//读取全局变量
if (hOnline != null)
{
IDictionaryEnumerator idE = hOnline.GetEnumerator();
string strKey = "";
while (idE.MoveNext())
{
if (idE.Value != null && idE.Value.ToString().Equals(login_name.Text))//如果当前用户已经登录，
{
//already login
strKey = idE.Key.ToString();
hOnline[strKey] = "XX";//将当前用户已经在全局变量中的值设置为XX,代表被顶下线
//这个SessionID为XX说明这个SessionID被顶下线，重新登陆重新写入SessionID
//每次登录都判断，因为用户名唯一，SessionID唯一，所以这个查找唯一//每次只存最近登录的
break;
}
}
}
else
{
hOnline = new Hashtable();
}
hOnline[Session.SessionID] = login_name.Text;//初始化当前用户的
Application.Lock();
Application["Online"] = hOnline;
Application["UserOnLineCnt"] = (int)Application["UserOnLineCnt"] + 1;
}
catch (Exception ee)
{
Application.UnLock();
}
finally
{
Response.Redirect("Search.aspx");
}
/*}
* }
* }
* if (flag)
* {
* MessageBox.Show("无效用户名或密码");
* login_name.Text = "";
* login_password.Text = "";
* }
* sdr.Close();
* conn.Close();*/
}
public string getEncryption()
{
MessageBox.Show(login_password.Text);
return(Md5encryption.md5encryption(login_password.Text.Trim()));
}
