根据身份证形成验证

最新推荐文章于 2023-12-19 09:12:07 发布

原创最新推荐文章于 2023-12-19 09:12:07 发布 · 222 阅读

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#验证信息

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此博客展示了一段C#代码，定义了一个名为IDCardValidation的类，其中包含验证身份证合理性的方法。主要针对18位身份证号码进行验证，包括数字、省份、生日和校验码验证，若符合GB11643 - 1999标准则返回true。

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

///
/// IDCardValidation 的摘要说明
///
public class IDCardValidation
{
public IDCardValidation()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
///
/// 验证身份证合理性
///
///
///
public static bool CheckIDCard(string idNumber)
{
if (idNumber.Length == 18)
{
bool check = CheckIDCard18(idNumber);
return check;
}
else
{
return false;
}
}
///
/// 18位身份证号码验证
///
///
///
private static bool CheckIDCard18(string idNumber)
{
try
{
long n = 0;
if (long.TryParse(idNumber.Remove(17), out n) == false
|| n < Math.Pow(10, 16) || long.TryParse(idNumber.Replace(‘x’, ‘0’).Replace(‘X’, ‘0’), out n) == false)
{
return false;//数字验证
}
string address = “11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91”;
if (address.IndexOf(idNumber.Remove(2)) == -1)
{
return false;//省份验证
}
string birth = idNumber.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 = idNumber.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] != idNumber.Substring(17, 1).ToLower())
{
return false;//校验码验证
}
return true;//符合GB11643-1999标准
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}

public static string GetAddrCard(string idNumber)
{
    string address = string.Empty;
    if (idNumber.Length == 18)
    {
        address = GetAddrCard18(idNumber);
    }
    return address;
}
private static string GetAddrCard18(string CardId)//CheckCard18方法用于检查18位身份证号码的合法性
{
    try
    {
        string address = string.Empty;
        string[] MyaddressNo = new string[]{ "11","22","35","44","53","12",
            "23","36","45","54","13","31","37","46","61","14","32","41",
            "50","62","15","33","42","51","63","21","34","43","52","64",
            "65","71","81","82","91"};
        string[] Myaddress = new string[]{ "北京","吉林","福建","广东","云南","天津",
            "黑龙江","江西","广西","西藏","河北","上海","山东","海南","陕西","山西","江苏","河南",
            "重庆","甘肃","内蒙","浙江","湖北","四川","青海","辽宁","安徽","湖南","贵州","宁夏",
            "新疆","台湾","香港","澳门","国外"};
        System.Collections.Hashtable ht = new System.Collections.Hashtable();
        for (int i = 0; i < MyaddressNo.Length; i++)
        {
            ht.Add(MyaddressNo[i], Myaddress[i]);
        }
        object AddrNo = CardId.Remove(2);
        address = ht[AddrNo].ToString();
        return address;
    }
    catch (Exception ex)
    {
        throw new Exception(ex.Message);
    }
}

}