/// <summary>
/// 中国大陆身份证15位转18位
/// </summary>
public static string ConvertChinaPRIDCard_15_18(string idCardNo)
{
if (!RegExpHelper.IsAllNumber(idCardNo, 15, 15))
{
return(idCardNo);
}
var allCsNumber = new string[] { "1", "0", "x", "9", "8", "7", "6", "5", "4", "3", "2" };
var allWiNumber = new int[] { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 };
var tmpNewNumber = new StringBuilder(idCardNo);
tmpNewNumber.Insert(6, "19");
var sum = 0;
for (int i = 0; i < 17; i++)
{
sum += ConvertHelper.GetInt(tmpNewNumber[i].ToString()) * allWiNumber[i];
}
sum %= 11;
tmpNewNumber.Append(allCsNumber[sum]);
return(tmpNewNumber.ToString());
}
/// <summary>
/// 是否是有效的中国大陆身份证[严格校验]
/// </summary>
public static bool IsChinaPRIDCard(string idCardNo)
{
if (string.IsNullOrEmpty(idCardNo))
{
return(false);
}
var tmpType = idCardNo.Length;
var tmpIndex = idCardNo.Length - 1;
var tmpValue = idCardNo.Remove(tmpIndex);
if (!RegExpHelper.IsAllNumber(tmpValue, (uint)tmpIndex, (uint)tmpIndex) || ConvertHelper.GetLong(tmpValue, 0) < Math.Pow(10, tmpIndex - 1))
{
return(false);
}
var provinceCodes = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
if (provinceCodes.IndexOf(idCardNo.Remove(2)) < 0)
{
return(false);
}
var interval = tmpType == 15 ? 2 : 0;
var birthday = ConvertHelper.GetDateTime(idCardNo.Substring(6, 8 - interval).Insert(6 - interval, "-").Insert(4 - interval, "-"));
if (birthday < InternalConstant.DefaultMSdbMinDate)
{
return(false);
}
if (tmpType == 15)
{
return(true);
}
// 继续18位校验
var allCsNumber = new string[] { "1", "0", "x", "9", "8", "7", "6", "5", "4", "3", "2" };
var allWiNumber = new int[] { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 };
var allAiNumber = ConvertHelper.Cast <int>(tmpValue.ToList().ConvertAll((item) => { return(item.ToString()); })).ToArray();
var sum = 0;
for (int i = 0; i < tmpIndex; i++)
{
sum += allAiNumber[i] * allWiNumber[i];
}
var mod = 0;
Math.DivRem(sum, 11, out mod);
if (allCsNumber[mod] != idCardNo.Substring(tmpIndex, 1).ToLower())
{
return(false);
}
return(true);
}
