/// <summary>

/// GMT时间转成本地时间

/// </summary>

/// <param name="gmt">字符串形式的GMT时间</param>

/// <returns></returns>

public static DateTime GMT2Local(string gmt)

{

DateTime dt = DateTime.MinValue;

try

{

string pattern = "";

if (gmt.IndexOf("+0") != -1)

{

gmt = gmt.Replace("GMT", "");

pattern = "ddd, dd-MMM-yyyy HH':'mm':'ss zzz";

}

if (gmt.ToUpper().IndexOf("GMT") != -1)

{

pattern = "ddd, dd-MMM-yyyy HH':'mm':'ss 'GMT'";

}

if (pattern != "")

{

dt = DateTime.ParseExact(gmt, pattern, System.Globalization.CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.AdjustToUniversal);

dt = dt.ToLocalTime();

}

else

{

dt = Convert.ToDateTime(gmt);

}

}

catch

{

}

return dt;

}