/// <summary>
/// 得到web.config里配置项的数据库连接字符串。
/// </summary>
/// <param name="configName"></param>
/// <returns></returns>
public static string GetConnectionString(string configName)
{
string connectionString = ConfigurationManager.AppSettings[configName];
string ConStringEncrypt = ConfigurationManager.AppSettings["ConStringEncrypt"];
if (ConStringEncrypt == "true")
{
connectionString = MyDES.Decrypt(connectionString);
}
return(connectionString);
}
public IActionResult Login()
{
string strUserName = Request.Form["username"];
string strPassWord = Request.Form["password"];
if (strUserName.Length % 8 != 0)
{
tip.Message = "请输入用户名不合法！";
return(Json(tip));
}
if (strPassWord.Length % 8 != 0)
{
tip.Message = "请输入密码不合法！";
return(Json(tip));
}
//判断并解密
string key = SessionHelper.GetSession("des_key").ToString();
if (string.IsNullOrEmpty(key))
{
tip.Message = "页面访问超时，请刷新页面重新登录！";
tip.Other = "reload";
return(Json(tip));
}
//解密
string username = "";
string password = "";
try
{
username = MyDES.uncMe(strUserName, key);
password = MyDES.uncMe(strPassWord, key);
}
catch (Exception exp)
{
NewLife.Log.XTrace.WriteException(exp);
tip.Message = "页面访问超时，请刷新页面重新登录！";
tip.Other = "reload";
return(Json(tip));
}
//验证用户
if (string.IsNullOrEmpty(username))
{
tip.Message = "请输入用户名！";
return(Json(tip));
}
if (string.IsNullOrEmpty(password) || Utils.GetStringLength(password) < 5)
{
tip.Message = "登录密码不能为空或者长度小于5！";
return(Json(tip));
}
//如果15分钟内有10次失败登录，则提示错误
string ip = Utils.GetIP();
Expression ex = AdminLog._.IsLoginOK == 0 & AdminLog._.LoginIP == ip & AdminLog._.LoginTime >= DateTime.Now.AddMinutes(-15);
if (AdminLog.FindCount(ex, null, null, 0, 0) >= 10)
{
tip.Message = "错误登录次数限制！";
return(Json(tip));
}
//执行登录操作
if (Admin.AdminLogin(username, password))
{
tip.Status = JsonTip.SUCCESS;
tip.Message = "登录成功";
tip.ReturnUrl = "/AdminCP";
return(Json(tip));
}
else
{
tip.Message = "用户名或者密码错误！请重新登录！";
return(Json(tip));
}
}
