今天在QQ空间看到一篇关于C#语言验证18位身份证号码的验证方法和实例代码,抽了些时间学习了一下,个人觉得还不错,所以把它记了下来,方便以后使用!
18位号码:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
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 )
{
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 ; //正确
}
|
15位号码:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
private static 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 ; //正确
}
|
总结
以上所述是小编给大家介绍的C#验证身份证号码是否正确,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持!
原文链接:http://www.cnblogs.com/lvlinlv/archive/2017/07/24/7228966.html