验证身份证号码
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1 /// <summary> 2 /// 验证身份证号码 3 /// </summary> 4 /// <param name="Id"></param> 5 /// <returns></returns> 6 public static bool CheckIDCard(string Id) 7 { 8 if (Id.Length == 18) 9 { 10 bool check = CheckIDCard18(Id); 11 return check; 12 } 13 else if (Id.Length == 15) 14 { 15 bool check = CheckIDCard15(Id); 16 return check; 17 } 18 else 19 { 20 return false; 21 } 22 } 23 24 private static bool CheckIDCard18(string Id) 25 { 26 long n = 0; 27 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) 28 { 29 return false;//数字验证 30 } 31 string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91"; 32 if (address.IndexOf(Id.Remove(2)) == -1) 33 { 34 return false;//省份验证 35 } 36 string birth = Id.Substring(6, 8).Insert(6, "-").Insert(4, "-"); 37 DateTime time = new DateTime(); 38 if (DateTime.TryParse(birth, out time) == false) 39 { 40 return false;//生日验证 41 } 42 string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(','); 43 string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(','); 44 char[] Ai = Id.Remove(17).ToCharArray(); 45 int sum = 0; 46 for (int i = 0; i < 17; i++) 47 { 48 sum += int.Parse(Wi) * int.Parse(Ai.ToString()); 49 } 50 int y = -1; 51 Math.DivRem(sum, 11, out y); 52 if (arrVarifyCode[y] != Id.Substring(17, 1).ToLower()) 53 { 54 return false;//校验码验证 55 } 56 return true;//符合GB11643-1999标准 57 } 58 private static bool CheckIDCard15(string Id) 59 { 60 long n = 0; 61 if (long.TryParse(Id, out n) == false || n < Math.Pow(10, 14)) 62 { 63 return false;//数字验证 64 } 65 string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91"; 66 if (address.IndexOf(Id.Remove(2)) == -1) 67 { 68 return false;//省份验证 69 } 70 string birth = Id.Substring(6, 6).Insert(4, "-").Insert(2, "-"); 71 DateTime time = new DateTime(); 72 if (DateTime.TryParse(birth, out time) == false) 73 { 74 return false;//生日验证 75 } 76 return true;//符合15位身份证标准 77 } 78 /// <summary> 79 /// 根据身份证号获取生日 80 /// </summary> 81 /// <param name="IdCard"></param> 82 /// <returns></returns> 83 public static string GetBrithdayFromIdCard(string IdCard) 84 { 85 string rtn = "1900-01-01"; 86 if (IdCard.Length == 15) 87 { 88 rtn = IdCard.Substring(6, 6).Insert(4, "-").Insert(2, "-"); 89 } 90 else if (IdCard.Length == 18) 91 { 92 rtn = IdCard.Substring(6, 8).Insert(6, "-").Insert(4, "-"); 93 } 94 return rtn; 95 } 96 /// <summary> 97 /// 根据身份证获取性别 98 /// </summary> 99 /// <param name="IdCard"></param> 100 /// <returns></returns> 101 public static string GetSexFromIdCard(string IdCard) 102 { 103 string rtn; 104 string tmp = ""; 105 if (IdCard.Length == 15) 106 { 107 tmp = IdCard.Substring(IdCard.Length - 3); 108 } 109 else if (IdCard.Length == 18) 110 { 111 tmp = IdCard.Substring(IdCard.Length - 4); 112 tmp = tmp.Substring(0, 3); 113 } 114 int sx = int.Parse(tmp); 115 int outNum; 116 Math.DivRem(sx, 2, out outNum); 117 if (outNum == 0) 118 { 119 rtn = "女"; 120 } 121 else 122 { 123 rtn = "男"; 124 } 125 return rtn; 126 }