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876天前/// 验证身份证是否有效 |
public static bool IsIDCard ( string Id ) |
{ |
if ( Id.Length == 18 ) |
{ |
bool check = IsIDCard18 ( Id ); |
return check; |
} |
else if ( Id.Length == 15 ) |
{ |
bool check = IsIDCard15 ( Id ); |
return check; |
} |
else |
{ |
return false; |
} |
} |
public static bool IsIDCard18 ( 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;//数字验证 |
} |
string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91"; |
if ( address.IndexOf ( Id.Remove ( 2 ) ) == -1 ) |
{ |
return false;//省份验证 |
} |
string birth = Id.Substring ( 6, 8 ).Insert ( 6, "-" ).Insert ( 4, "-" ); |
DateTime time = new DateTime(); |
if ( DateTime.TryParse ( birth, out time ) == false ) |
{ |
return false;//生日验证 |
} |
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;//校验码验证 |
} |
return true;//符合GB11643-1999标准 |
} |
public static bool IsIDCard15 ( string Id ) |
{ |
long n = 0; |
if ( long.TryParse ( Id, out n ) == false || n < Math.Pow ( 10, 14 ) ) |
{ |
return false;//数字验证 |
} |
string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91"; |
if ( address.IndexOf ( Id.Remove ( 2 ) ) == -1 ) |
{ |
return false;//省份验证 |
} |
string birth = Id.Substring ( 6, 6 ).Insert ( 4, "-" ).Insert ( 2, "-" ); |
DateTime time = new DateTime(); |
if ( DateTime.TryParse ( birth, out time ) == false ) |
{ |
return false;//生日验证 |
} |
return true;//符合15位身份证标准 |
} |
by: 发表于：2018-01-31 15:11:11 顶(0) | 踩(0) 回复
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