IDCardHelper帮助类库 实现操作身份证验证基类库
身份证操作辅助类
绑定身份证类别的名称
获取身份证类别的名称
验证身份证结果
15位身份证明号码转化成18位用来编码
获取身份证对应省份的区划
获取身份证对应县市的区划
获取身份证对应地区的区划
根据身份证判断是否男女
根据身份证获取出生年月
IDCardHelper帮助类库源码
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Data;
using System.Text.RegularExpressions;
namespace Commons
{
/// <summary>
/// 身份证操作辅助类
/// </summary>
public class IDCardHelper
{
private static DataTable dt_IdType;
static IDCardHelper()
{
dt_IdType = new DataTable();
dt_IdType.Columns.Add("text");
dt_IdType.Columns.Add("value");
dt_IdType.Rows.Add(new object[] { "居民身份证", "A" });
dt_IdType.Rows.Add(new object[] { "军官证", "C" });
dt_IdType.Rows.Add(new object[] { "士兵证", "D" });
dt_IdType.Rows.Add(new object[] { "军官离退休证", "E" });
dt_IdType.Rows.Add(new object[] { "境外人员身份证明", "F" });
dt_IdType.Rows.Add(new object[] { "外交人员身份证明", "G" });
}
/// <summary>
/// 绑定身份证类别的名称
/// </summary>
/// <param name="cb">The cb.</param>
public static void InitIdType(ComboBox cb)
{
cb.DataSource = dt_IdType;
cb.DisplayMember = "text";
cb.ValueMember = "value";
cb.DropDownStyle = ComboBoxStyle.DropDownList;
}
/// <summary>
/// 获取身份证类别的名称
/// </summary>
/// <returns></returns>
public static DataTable CreateIDType()
{
return dt_IdType;
}
/// <summary>
/// 验证身份证结果
/// </summary>
/// <param name="idcard">身份证号码</param>
/// <returns>正确的时候返回string.Empty</returns>
public static string Validate(string idcard)
{
if (idcard.Length != 18 && idcard.Length != 15)
{
return "身份证明号码必须是15或者18位！";
}
Regex rg = new Regex(@"^\d{17}(\d|X)$");
if (!rg.Match(idcard).Success)
{
return "身份证号码必须为数字或者X！";
}
if (idcard.Length == 15)
{
idcard = IdCard15To18(idcard);
}
else if (idcard.Length == 18)
{
int ll_sum = 0, tmp = 0;
for (int i = 0; i < 17; i )
{
tmp = int.Parse(idcard.Substring(i, 1));
ll_sum = tmp * li_quan[i];
}
ll_sum = ll_sum % 11;
if (idcard.Substring(17, 1) != ls_jy[ll_sum])
{
return "身份证号码最后一位应该是" ls_jy[ll_sum] "！";
}
}
try
{
DateTime.Parse(idcard.Substring(6, 4) "-" idcard.Substring(10, 2) "-" idcard.Substring(12, 2));
}
catch
{
return "非法生日";
}
return string.Empty;
}
private static string[] ls_jy = { "1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2" };
private static int[] li_quan = { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1 };
/// <summary>
/// 15位身份证明号码转化成18位用来编码
/// </summary>
/// <param name="idcard">15位的身份证号码</param>
/// <returns></returns>
public static string IdCard15To18(string idcard)
{
/*
string ls_jy[] = { "1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"}, t, ls_sfzmhm
integer li_quan[] = { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1}
int ll_sum = 0, i
ls_sfzmhm = mid(sfzmhm, 1, 6) '19' mid(sfzmhm, 7)
for i = 1 to len(ls_sfzmhm)
ll_sum = integer(mid(ls_sfzmhm, i, 1)) * li_quan[i]
next
ll_sum = mod(ll_sum, 11)
ls_sfzmhm = ls_jy[ll_sum 1]
return ls_sfzmhm
*/
if (idcard == null || idcard.Length != 15)
{
return idcard;
}
else
{
string result = string.Empty;
int ll_sum = 0, tmp = 0;
result = idcard.Substring(0, 6) "19" idcard.Substring(6, 9);
for (int i = 0; i < 17; i )
{
tmp = int.Parse(result.Substring(i, 1));
ll_sum = tmp * li_quan[i];
}
ll_sum = ll_sum % 11;
result = ls_jy[ll_sum];
return result;
}
}
/// <summary>
/// 获取身份证对应省份的区划
/// </summary>
/// <param name="id">身份证</param>
/// <returns>头两位 4个0</returns>
public static string GetProvince(string id)
{
return id.Substring(0, 2) "0000";
}
/// <summary>
/// 获取身份证对应县市的区划
/// </summary>
/// <param name="id">身份证</param>
/// <returns>头4位 2个0</returns>
public static string GetCity(string id)
{
return id.Substring(0, 4) "00";
}
/// <summary>
/// 获取身份证对应地区的区划
/// </summary>
/// <param name="id">身份证</param>
/// <returns>头6位</returns>
public static string GetArea(string id)
{
return id.Substring(0, 6);
}
/// <summary>
/// 根据身份证判断是否男女
/// </summary>
/// <param name="id">身份证号码</param>
/// <returns>返回"男"或者"女"</returns>
public static string GetSexName(string id)
{
int sexStr = 0;
if (id.Length == 15)
{
sexStr = Convert.ToInt32(id.Substring(14, 1));
}
else if (id.Length == 18)
{
sexStr = Convert.ToInt32(id.Substring(16, 1));
}
else
{
throw new ArgumentException("身份证号码不是15或者18位！");
}
return sexStr % 2 == 0 ? "女" : "男";
}
/// <summary>
/// 根据身份证获取出生年月
/// </summary>
/// <param name="id">身份证号码</param>
/// <returns>出生年月</returns>
public static DateTime GetBirthday(string id)
{
string result = string.Empty;
if (id.Length == 15)
{
result = "19" id.Substring(6, 2) "-" id.Substring(8, 2) "-" id.Substring(10, 2);
}
else if (id.Length == 18)
{
result = id.Substring(6, 4) "-" id.Substring(10, 2) "-" id.Substring(12, 2);
}
else
{
throw new ArgumentException("身份证号码不是15或者18位！");
}
return Convert.ToDateTime(result);
}
}
}
原文链接：C#身份证验证帮助类,IDCardHelper帮助类库