/// <summary>
/// 取IP
/// </summary>
/// <returns>返回IP</returns>
public static string GetIp()
{
//string str = "";//穿过代理服务器取远程用户真实IP地址
//if (System.Web.HttpContext.Current.Request.ServerVariables["HTTP_VIA"] != null)
// str = System.Web.HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString();
//else
// str = System.Web.HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"].ToString();
//return str;
string result = String.Empty;
result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (null == result || result == String.Empty)
{
result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
}
if (null == result || result == String.Empty)
{
result = HttpContext.Current.Request.UserHostAddress;
}
if (null == result || result == String.Empty || !Valid.isIP(result))
{
return("0.0.0.0");
}
return(result);
}
/// <summary>
/// 判断是否在指定多少秒内提交数据，来达到判断是否刷新页面的目的
/// </summary>
/// <param name="seconds">多少秒内</param>
/// <returns>是/否</returns>
public static bool isRefresh(int seconds)
{
string _sysTime = Cookies.Get("__sysTime");
if (_sysTime.Trim() == "")
{
return(true);
}
if (!Valid.isDateTime(_sysTime))
{
return(true);
}
DateTime _startTime = DateTime.Parse(_sysTime);
DateTime _endTime = DateTime.Now;
TimeSpan _value = Date.GetTimeSpan(_startTime, _endTime);
if (_value.Seconds >= seconds)
{
return(false);
}
else
{
Js.Alert("不允许刷新，或快速提交数据，请" + seconds.ToString() + "秒后提交数据。");
return(true);
}
}
/// <summary>
/// string型转换为int型
/// </summary>
/// <param name="strValue">要转换的字符串</param>
/// <param name="defValue">缺省值</param>
/// <returns>转换后的int类型结果</returns>
public static int ToInt(object strValue, int defValue)
{
if ((strValue == null) || (strValue.ToString() == string.Empty) || (strValue.ToString().Length > 10))
{
return(defValue);
}
string val = strValue.ToString();
string firstletter = val[0].ToString();
if (val.Length == 10 && Valid.isNumber(firstletter) && int.Parse(firstletter) > 1)
{
return(defValue);
}
else if (val.Length == 10 && !Valid.isNumber(firstletter))
{
return(defValue);
}
int intValue = defValue;
if (strValue != null)
{
bool IsInt = new Regex(@"^([-]|[0-9])[0-9]*$").IsMatch(strValue.ToString());
if (IsInt)
{
intValue = Convert.ToInt32(strValue);
}
}
return(intValue);
}
