C#認証IDの関数
5801 ワード
このC#コードは主に身分証明書の先頭と身分証明書のフォーマットと長さが正しいかどうかを検証し、身分証明書の符号化規則に従って厳格に検証していない.
より複雑な検証方法:
方法3:
以上が本文のすべてですが、お好きになってください.
///
///
///
///
public static bool IsIdCard(string idCard)
{
// ,
if (IsNullOrEmpty(idCard))
{
return true;
}
//
idCard = idCard.Trim();
//
StringBuilder pattern = new StringBuilder();
pattern.Append(@"^(11|12|13|14|15|21|22|23|31|32|33|34|35|36|37|41|42|43|44|45|46|");
pattern.Append(@"50|51|52|53|54|61|62|63|64|65|71|81|82|91)");
pattern.Append(@"(\d{13}|\d{15}[\dx])$");
//
return RegexHelper.IsMatch(idCard, pattern.ToString());
}
より複雑な検証方法:
private string CheckCidInfo(string cid)
{
string[] aCity = new string[]{null,null,null,null,null,null,null,null,null,null,null," "," "," "," "," ",null,null,null,null,null," "," "," ",null,null,null,null,null,null,null," "," "," "," "," "," "," ",null,null,null," "," "," "," "," "," ",null,null,null," "," "," "," "," ",null,null,null,null,null,null," "," "," "," "," ",null,null,null,null,null," ",null,null,null,null,null,null,null,null,null," "," ",null,null,null,null,null,null,null,null," "};
double iSum=0;
string info="";
System.Text.RegularExpressions.Regex rg = new System.Text.RegularExpressions.Regex(@"^\d{17}(\d|x)$");
System.Text.RegularExpressions.Match mc = rg.Match(cid);
if(!mc.Success)
{
return "";
}
cid = cid.ToLower();
cid = cid.Replace("x","a");
if(aCity[int.Parse(cid.Substring(0,2))]==null)
{
return " ";
}
try
{
DateTime.Parse(cid.Substring(6,4)+"-"+cid.Substring(10,2)+"-"+cid.Substring(12,2));
}
catch
{
return " ";
}
for(int i=17;i>=0;i--)
{
iSum +=(System.Math.Pow(2,i)%11)*int.Parse(cid[17-i].ToString(),System.Globalization.NumberStyles.HexNumber);
}
if(iSum%11!=1)
return(" ");
return(aCity[int.Parse(cid.Substring(0,2))]+","+cid.Substring(6,4)+"-"+cid.Substring(10,2)+"-"+cid.Substring(12,2)+","+(int.Parse(cid.Substring(16,1))%2==1¡" ":" "));
}
:
Response.Write(CheckCidInfo("340524198002300019"));
Response.Write(CheckCidInfo("34052419800101001x"));
方法3:
///
///
///
///
///
public bool CheckIDCard(string Id)
{
if (Id.Length == 18)
{
bool check = CheckIDCard18(Id);
return check;
}
else if (Id.Length == 15)
{
bool check = CheckIDCard15(Id);
return check;
}
else
{
return false;
}
}
///
/// 18
///
///
///
PRivate 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)
{
return false;//
}
string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
if (address.IndexOf(Id.Remove(2)) == -1)
{
return false;//
}
string birth = Id.Substring(6, 8).Insert(6, "-").Insert(4, "-");
DateTime time = new DateTime();
if (DateTime.TryParse(birth, out time) == false)
{
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 < 17; 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())
{
return false;//
}
return true;// GB11643-1999
}
///
/// 15
///
///
///
private bool CheckIDCard15(string Id)
{
long n = 0;
if (long.TryParse(Id, out n) == false || n < Math.Pow(10, 14))
{
return false;//
}
string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
if (address.IndexOf(Id.Remove(2)) == -1)
{
return false;//
}
string birth = Id.Substring(6, 6).Insert(4, "-").Insert(2, "-");
DateTime time = new DateTime();
if (DateTime.TryParse(birth, out time) == false)
{
return false;//
}
return true;// 15
}
以上が本文のすべてですが、お好きになってください.