107 lines
3.6 KiB
C#
107 lines
3.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Web.UI.WebControls;
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using Model;
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namespace BLL
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{
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public static class IDCardValid
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{
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/// <summary>
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/// 验证身份证号码
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/// </summary>
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/// <param name="Id">身份证号码</param>
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/// <returns>验证成功为True，否则为False</returns>
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public static bool CheckIDCard(string Id)
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{
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if (string.IsNullOrEmpty(Id))
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{
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return false;
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}
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if (Id.Length == 18)
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{
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bool check = CheckIDCard18(Id);
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return check;
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}
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else if (Id.Length == 15)
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{
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bool check = CheckIDCard15(Id);
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return check;
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}
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else
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{
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return false;
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}
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}
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#region 身份证号码验证
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/// <summary>
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/// 验证15位身份证号
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/// </summary>
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/// <param name="Id">身份证号</param>
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/// <returns>验证成功为True，否则为False</returns>
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private static bool CheckIDCard18(string Id)
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{
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long n = 0;
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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)
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{
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return false;//数字验证
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}
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string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
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if (address.IndexOf(Id.Remove(2)) == -1)
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{
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return false;//省份验证
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}
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string birth = Id.Substring(6, 8).Insert(6, "-").Insert(4, "-");
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DateTime time = new DateTime();
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if (DateTime.TryParse(birth, out time) == false)
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{
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return false;//生日验证
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}
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string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(',');
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string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(',');
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char[] Ai = Id.Remove(17).ToCharArray();
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int sum = 0;
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for (int i = 0; i < 17; i++)
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{
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sum += int.Parse(Wi[i]) * int.Parse(Ai[i].ToString());
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}
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int y = -1;
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Math.DivRem(sum, 11, out y);
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if (arrVarifyCode[y] != Id.Substring(17, 1).ToLower())
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{
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return false;//校验码验证
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}
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return true;//符合GB11643-1999标准
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}
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/// <summary>
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/// 验证18位身份证号
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/// </summary>
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/// <param name="Id">身份证号</param>
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/// <returns>验证成功为True，否则为False</returns>
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private static bool CheckIDCard15(string Id)
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{
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long n = 0;
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if (long.TryParse(Id, out n) == false || n < Math.Pow(10, 14))
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{
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return false;//数字验证
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}
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string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
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if (address.IndexOf(Id.Remove(2)) == -1)
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{
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return false;//省份验证
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}
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string birth = Id.Substring(6, 6).Insert(4, "-").Insert(2, "-");
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DateTime time = new DateTime();
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if (DateTime.TryParse(birth, out time) == false)
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{
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return false;//生日验证
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}
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return true;//符合15位身份证标准
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}
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#endregion
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}
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} |