验证身份证号码

最新推荐文章于 2023-09-11 14:24:09 发布

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最新推荐文章于 2023-09-11 14:24:09 发布

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文章标签： string

本文链接：https://blog.youkuaiyun.com/xuedong558/article/details/4846476

本文介绍了一种用于验证15位和18位中国身份证号码有效性的方法。该方法包括数字验证、省份验证、生日验证及校验码验证等步骤。

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/**//// <summary>
16    /// 验证身份证号码
17    /// </summary>
18    /// <param name="Id">身份证号码</param>
19    /// <returns>验证成功为True，否则为False</returns>
20    public static bool CheckIDCard(string Id)
21    ...{
22        if (Id.Length == 18)
23        ...{
24            bool check = CheckIDCard18(Id);
25            return check;
26        }
27        else if (Id.Length == 15)
28        ...{
29            bool check = CheckIDCard15(Id);
30            return check;
31        }
32        else
33        ...{
34            return false;
35        }
36    }
37
38    身份证号码验证#region 身份证号码验证
39
40    /**//// <summary>
41    /// 验证15位身份证号
42    /// </summary>
43    /// <param name="Id">身份证号</param>
44    /// <returns>验证成功为True，否则为False</returns>
45    private static bool CheckIDCard18(string Id)
46    ...{
47        long n = 0;
48        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)
49        ...{
50            return false;//数字验证
51        }
52        string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
53        if (address.IndexOf(Id.Remove(2)) == -1)
54        ...{
55            return false;//省份验证
56        }
57        string birth = Id.Substring(6, 8).Insert(6, "-").Insert(4, "-");
58        DateTime time = new DateTime();
59        if (DateTime.TryParse(birth, out time) == false)
60        ...{
61            return false;//生日验证
62        }
63        string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(',');
64        string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(',');
65        char[] Ai = Id.Remove(17).ToCharArray();
66        int sum = 0;
67        for (int i = 0; i < 17; i++)
68        ...{
69            sum += int.Parse(Wi[i]) * int.Parse(Ai[i].ToString());
70        }
71        int y = -1;
72        Math.DivRem(sum, 11, out y);
73        if (arrVarifyCode[y] != Id.Substring(17, 1).ToLower())
74        ...{
75            return false;//校验码验证
76        }
77        return true;//符合GB11643-1999标准
78    }
79
80    /**//// <summary>
81    /// 验证18位身份证号
82    /// </summary>
83    /// <param name="Id">身份证号</param>
84    /// <returns>验证成功为True，否则为False</returns>
85    private static bool CheckIDCard15(string Id)
86    ...{
87        long n = 0;
88        if (long.TryParse(Id, out n) == false || n < Math.Pow(10, 14))
89        ...{
90            return false;//数字验证
91        }
92        string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
93        if (address.IndexOf(Id.Remove(2)) == -1)
94        ...{
95            return false;//省份验证
96        }
97        string birth = Id.Substring(6, 6).Insert(4, "-").Insert(2, "-");
98        DateTime time = new DateTime();
99        if (DateTime.TryParse(birth, out time) == false)
100        ...{
101            return false;//生日验证
102        }
103        return true;//符合15位身份证标准
104    }
105    #endregion