身份证验证

[WebMethod]
public static string jysfz(string value1)
{
string fhz = "";
if (CheckIDCard(value1))
{
fhz = "成功";
}
else
{
fhz = "失败";
}
return fhz;
}

/// <summary>
/// 验证身份证号码
/// </summary>
/// <param name="Id">身份证号码</param>
/// <returns>验证成功为True，否则为False</returns>
public static bool CheckIDCard(string Id)
{
try {
if (Id.Length == 18) {
bool check = CheckIDCard18(Id);

return check;
} else if (Id.Length == 15) {
bool check = CheckIDCard15(Id);
return check;
} else {
return false;
}
} catch {
return false;
}
}

/// <summary>
/// 验证15位身份证号
/// </summary>
/// <param name="Id">身份证号</param>
/// <returns>验证成功为True，否则为False</returns>
private static bool CheckIDCard18(string Id)
{
long n = 0;
if (long.TryParse(Id.Remove(17), out n) == false || n < Math.Pow(10, 16) || long.TryParse(Id.Replace('x', '0').Replace('X', '0'), out n) == false) {
//数字验证
return false;
}

string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
if (address.IndexOf(Id.Remove(2)) == -1) {
//省份验证
return false;
}
string birth = Id.Substring(6, 8).Insert(6, "-").Insert(4, "-");
DateTime time = new DateTime();
if (DateTime.TryParse(birth, out time) == false) {
//生日验证
return false;
} else {
int age = DateTime.Now.Year - Convert.ToDateTime(birth).Year;

if (age < 22) {
return false;
}
if (age > 54 & age < 61) {
return false;
}
if (age > 60) {
return false;
}
}

string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(',');
string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(',');
char[] Ai = Id.Remove(17).ToCharArray();
int sum = 0;
for (int i = 0; i <= 16; i++) {
sum += int.Parse(Wi[i]) * int.Parse(Ai[i].ToString());
}
int y = -1;
Math.DivRem(sum, 11, out y);

if (arrVarifyCode[y] != Id.Substring(17, 1).ToLower()) {
//校验码验证
return false;
}
return true;
//符合GB11643-1999标准
}

/// <summary>
/// 验证18位身份证号
/// </summary>
/// <param name="Id">身份证号</param>
/// <returns>验证成功为True，否则为False</returns>
private static bool CheckIDCard15(string Id)
{
long n = 0;
if (long.TryParse(Id, out n) == false || n < Math.Pow(10, 14)) {
//数字验证
return false;
}
string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
if (address.IndexOf(Id.Remove(2)) == -1) {
//省份验证
return false;
}
string birth = Id.Substring(6, 6).Insert(4, "-").Insert(2, "-");
DateTime time = new DateTime();
if (DateTime.TryParse(birth, out time) == false) {
//生日验证
return false;
} else {
int age = time.Year -Convert.ToDateTime(birth).Year;
if (age < 22) {
return false;
}
if (age > 54 & age < 61) {
return false;
}
if (age > 60) {
return false;
}
}
return true;
//符合15位身份证标准
}