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 程式師世界 >> 編程語言 >> 更多編程語言 >> 更多關於編程 >> 中國身份證號碼驗證

中國身份證號碼驗證

編輯:更多關於編程

     using System;

    /// <summary>
    /// Summary description for IDCardValid
    /// </summary>
    public class IDCardValid
    {
    public IDCardValid()
    {
    //
    // TODO: Add constructor logic here
    //
    }

    /// <summary>
    /// 驗證身份證號碼
    /// </summary>
    /// <param name="Id">身份證號碼</param>
    /// <returns>驗證成功為True,否則為False</returns>
    public static bool CheckIDCard(string Id)
    {
    if (Id.Length == 18)
    {
    bool check = CheckIDCard18(Id);
    return check;
    }
    else if (Id.Length == 15)
    {
    bool check = CheckIDCard15(Id);
    return check;
    }
    else
    {
    return false;
    }
    }
    #region 身份證號碼驗證

    /// <summary>
    /// 驗證15位身份證號
    /// </summary>
    /// <param name="Id">身份證號</param>
    /// <returns>驗證成功為True,否則為False</returns>
    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;//數字驗證
    }
    string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
    if (address.IndexOf(Id.Remove(2)) == -1)
    {
    return false;//省份驗證
    }
    string birth = Id.Substring(6, 8).Insert(6, "-").Insert(4, "-");
    DateTime time = new DateTime();
    if (DateTime.TryParse(birth, out time) == false)
    {
    return false;//生日驗證
    }
    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;//校驗碼驗證
    }
    return true;//符合GB11643-1999標准
    }

    /// <summary>
    /// 驗證18位身份證號
    /// </summary>
    /// <param name="Id">身份證號</param>
    /// <returns>驗證成功為True,否則為False</returns>
    private static bool CheckIDCard15(string Id)
    {
    long n = 0;
    if (long.TryParse(Id, out n) == false || n < Math.Pow(10, 14))
    {
    return false;//數字驗證
    }
    string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
    if (address.IndexOf(Id.Remove(2)) == -1)
    {
    return false;//省份驗證
    }
    string birth = Id.Substring(6, 6).Insert(4, "-").Insert(2, "-");
    DateTime time = new DateTime();
    if (DateTime.TryParse(birth, out time) == false)
    {
    return false;//生日驗證
    }
    return true;//符合15位身份證標准
    }
    #endregion
    }

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