✨ 新增银行卡号生成器

.gitignore

@@ -351,4 +351,5 @@ MigrationBackup/
 
 .vs/
 bin/
-obj/
+obj/
+

README.md

@@ -1 +1 @@
-# FakeData
+# FakeSharp

lib/CreditCard.cs

@@ -0,0 +1,120 @@
+namespace FakeSharp
+{
+    public class CreditCard
+    {
+        /// <summary>
+        /// Bin码类型
+        /// </summary>
+        public enum BinType
+        {
+            Any = 0,
+            GongShang = 623062,
+            ZhongGuo = 621343,
+            JianShe = 622676,
+            ZhaoShang = 410062,
+            ZhongXin = 433680,
+            GuangDa = 622663,
+            MinSheng = 622622,
+            JiaoTong = 621335,
+            PingAn = 622989,
+            NongYe = 622848
+        }
+
+
+        /// <summary>
+        /// 生成银行卡号
+        /// </summary>
+        /// <param name="binType">Bin码类型</param>
+        /// <param name="length">银行卡号长度</param>
+        /// <param name="count">生成数量</param>
+        /// <returns></returns>
+        public static IEnumerable<string> Generate(BinType binType = BinType.Any, int length = 16, int count = 100)
+        {
+            var fakeCardNumber = 0L;
+            var fakeCardNumbers = new string[count];
+            var r = new Random(DateTime.Now.Second + DateTime.Now.Millisecond);
+
+            for (int i = 0; i < count; i++)
+            {
+                // 生成bin码
+                if (binType == BinType.Any) { fakeCardNumber = (int)GenerateRandomBinCode(r); }
+                else { fakeCardNumber = (int)binType; }
+
+                // 添加中间位
+                fakeCardNumber += (long)(fakeCardNumber * Math.Pow(10, length - 7)) + r.Next((int)Math.Pow(10, length - 8), (int)(0.9 * Math.Pow(10, length - 7)));
+
+                // 计算校验位
+                var sum = 0L;
+                var isDoubleBit = true;
+
+                var fakeCardNumberCopy = fakeCardNumber;
+                while (fakeCardNumberCopy > 0)
+                {
+                    if (isDoubleBit)
+                    {
+                        sum += SelfSum((fakeCardNumberCopy % 10) * 2);
+                    }
+                    else
+                    {
+                        sum += fakeCardNumberCopy % 10;
+                    }
+
+                    isDoubleBit = !isDoubleBit;
+                    fakeCardNumberCopy /= 10;
+                }
+
+                var res = sum % 10;
+                if (res != 0) { res = 10 - res; }
+
+                // 构造银行卡号
+                fakeCardNumbers[i] = $"{fakeCardNumber}{res}";
+            }
+
+            return fakeCardNumbers;
+        }
+
+
+        /// <summary>
+        /// 随机生成Bin码
+        /// </summary>
+        /// <param name="r"></param>
+        /// <returns></returns>
+        static BinType GenerateRandomBinCode(Random? r = null)
+        {
+            if (r == null) { r = new Random(DateTime.Now.Second + DateTime.Now.Millisecond); }
+            return r.Next(10) switch
+            {
+                0 => BinType.GongShang,
+                1 => BinType.ZhongGuo,
+                2 => BinType.JianShe,
+                3 => BinType.ZhaoShang,
+                4 => BinType.ZhongXin,
+                5 => BinType.GuangDa,
+                6 => BinType.MinSheng,
+                7 => BinType.JiaoTong,
+                8 => BinType.PingAn,
+                9 => BinType.NongYe,
+                _ => BinType.Any
+            };
+        }
+
+
+        /// <summary>
+        /// 求整数中每位数字之和
+        /// </summary>
+        /// <param name="n"></param>
+        /// <returns></returns>
+        static long SelfSum(long n)
+        {
+            var sum = n % 10;
+            var rest = n;
+
+            while ((rest /= 10) > 0)
+            {
+                sum += rest % 10;
+            }
+
+            return sum;
+        }
+    }
+}

FakeData.sln → lib/FakeData.sln

@@ -3,7 +3,9 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.2.32526.322
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FakeSharp", "FakeSharp.csproj", "{8BE5F1C0-3A80-4978-83D5-441EB17F54A0}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FakeSharp", "FakeSharp.csproj", "{8BE5F1C0-3A80-4978-83D5-441EB17F54A0}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FakeSharpTest", "..\test\FakeSharpTest.csproj", "{E097DBC2-CE50-4546-AB73-E053A8B4D4ED}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -15,6 +17,10 @@ Global
 		{8BE5F1C0-3A80-4978-83D5-441EB17F54A0}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8BE5F1C0-3A80-4978-83D5-441EB17F54A0}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{8BE5F1C0-3A80-4978-83D5-441EB17F54A0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E097DBC2-CE50-4546-AB73-E053A8B4D4ED}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E097DBC2-CE50-4546-AB73-E053A8B4D4ED}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E097DBC2-CE50-4546-AB73-E053A8B4D4ED}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E097DBC2-CE50-4546-AB73-E053A8B4D4ED}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

FakeSharp.csproj → lib/FakeSharp.csproj

@@ -16,8 +16,9 @@
     <PackageRequireLicenseAcceptance>True</PackageRequireLicenseAcceptance>
     <PackageTags>data-generation</PackageTags>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
-    <PackageReleaseNotes>✨ 新增手机号码生成器</PackageReleaseNotes>
+    <PackageReleaseNotes>✨ 新增银行卡号生成器</PackageReleaseNotes>
     <Description>伪数据生成器，用于构造手机号、银行卡号、身份证号等数据</Description>
+    <Version>1.0.3</Version>
   </PropertyGroup>
 
   <ItemGroup>
@@ -28,6 +29,13 @@
     <Content Include="logo.ico" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Include="..\README.md">
+      <Pack>True</Pack>
+      <PackagePath>\</PackagePath>
+    </None>
+  </ItemGroup>
+
   <ItemGroup>
     <Resource Include="LICENSE.txt">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>

lib/IdentifyCard.cs

@@ -0,0 +1,9 @@
+namespace FakeSharp
+{
+    public class IdentifyCard
+    {
+
+
+
+    }
+}

lib/MobileNumber.cs

@@ -0,0 +1,50 @@
+namespace FakeSharp
+{
+    /// <summary>
+    /// 手机号码生成器
+    /// </summary>
+    public class MobileNumber
+    {
+        static readonly int[] MAC_CHINA_MOBILE = { 134, 135, 136, 137, 138, 139, 150, 151, 152, 157, 158, 159, 182, 187, 188};
+        static readonly int[] MAC_CHINA_UNICOM = { 130, 131, 132, 155, 156, 182, 185, 186 };
+        static readonly int[] MAC_CHINA_TELECOM = { 133, 153, 180, 189 };
+        static readonly int[] MAC_CHINA_ALL = { 134, 135, 136, 137, 138, 139, 150, 151, 152, 157, 158, 159, 182, 187, 188, 130, 131, 132, 155, 156, 182, 185, 186, 133, 153, 180, 189 };
+
+
+        /// <summary>
+        /// 生成手机号码
+        /// </summary>
+        /// <param name="macConfig">移动接入码</param>
+        /// <param name="count">生成数量</param>
+        /// <returns></returns>
+        public static IEnumerable<string> Generate(MAC macConfig = MAC.Any, int count = 100)
+        {
+            var r = new Random(DateTime.Now.Second + DateTime.Now.Millisecond);
+            var fakeNumbers = new string[count];
+            for(int i = 0; i < count; i++)
+            {
+                int mac = macConfig switch
+                {
+                    MAC.ChinaMobile => MAC_CHINA_MOBILE[r.Next(MAC_CHINA_MOBILE.Length)],
+                    MAC.ChinaUnicom => MAC_CHINA_UNICOM[r.Next(MAC_CHINA_UNICOM.Length)],
+                    MAC.ChinaTelecom => MAC_CHINA_TELECOM[r.Next(MAC_CHINA_TELECOM.Length)],
+                    _ => MAC_CHINA_ALL[r.Next(MAC_CHINA_ALL.Length)],
+                };
+                fakeNumbers[i] = $"{mac}{r.Next(10000000, 89999999)}";
+            }
+            return fakeNumbers;
+        }
+
+
+        /// <summary>
+        /// 移动接入码(移动、联通、电信)
+        /// </summary>
+        public enum MAC
+        {
+            Any = 0,            // 任意
+            ChinaMobile,        // 中国移动
+            ChinaUnicom,        // 中国联通
+            ChinaTelecom        // 中国电信
+        }
+    }
+}

test/FakeSharpTest.csproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Reference Include="FakeSharp">
+      <HintPath>..\lib\bin\Release\net6.0\FakeSharp.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+
+</Project>