增加codefirst迁移配置

IRaCIS.Core.Test/CodeFirstTest/CodeFirst使用说明

@@ -20,7 +20,7 @@ https://www.cnblogs.com/cqpanda/p/16815263.html
  5、撤销某次更新到数据库的迁移（自动执行down 方法）
  dotnet ef database update 某次迁移的前一次迁移名称  -p IRaCIS.Core.Test -c IRCContext
 
-  dotnet ef migrations add  RemoveForeignKey  -p IRaCIS.Core.Test -c IRCContext -o CodeFirstTest/MSSQL/Migrations
+ dotnet ef migrations add  RemoveForeignKey  -p IRaCIS.Core.Test -c IRCContext -o CodeFirstTest/MSSQL/Migrations
 
 
 

IRaCIS.Core.Test/CodeFirstTest/PGSQL/Convention/MaxStringLengthConvention .cs

@@ -11,6 +11,12 @@ namespace IRaCIS.Core.Test.CodeFirstTest.PGSQL.Migrations
     /// </summary>
     public class MaxStringLengthConvention : IModelFinalizingConvention
     {
+        private readonly int _defaultLenth;
+
+        public MaxStringLengthConvention(int defaultLenth)
+        {
+            _defaultLenth = defaultLenth;
+        }
         public void ProcessModelFinalizing(IConventionModelBuilder modelBuilder, IConventionContext<IConventionModelBuilder> context)
         {
             foreach (var property in modelBuilder.Metadata.GetEntityTypes()
@@ -31,17 +37,17 @@ namespace IRaCIS.Core.Test.CodeFirstTest.PGSQL.Migrations
                 // 输出调试信息，看看是哪种特性生效
                 if (stringLengthAttribute != null)
                 {
-                    Console.WriteLine($"{property.Name}: StringLength({stringLengthAttribute.MaximumLength})");
+                    //Console.WriteLine($"{property.Name}: StringLength({stringLengthAttribute.MaximumLength})");
                     property.Builder.HasMaxLength(stringLengthAttribute.MaximumLength);
                 }
                 else if (maxLengthAttribute != null)
                 {
-                    Console.WriteLine($"{property.Name}: MaxLength (no specific length, allowing max)");
+                    //Console.WriteLine($"{property.Name}: MaxLength (no specific length, allowing max)");
                 }
                 else
                 {
-                    Console.WriteLine($"{property.Name}: Default length 200");
-                    property.Builder.HasMaxLength(200);
+                    //Console.WriteLine($"{property.Name}: Default length {_defaultLenth}");
+                    property.Builder.HasMaxLength(_defaultLenth);
                 }
             }
         }

IRaCIS.Core.Test/CodeFirstTest/PGSQL/PGContext.cs

@@ -70,7 +70,7 @@ public partial class PGContext : DbContext
 
         //configurationBuilder.Conventions.Add(_ => new NoForeignKeyConvention());
         //针对字符串使用默认的长度配置
-        configurationBuilder.Conventions.Add(_ => new MaxStringLengthConvention());
+        configurationBuilder.Conventions.Add(_ => new MaxStringLengthConvention(200));
     }
 
     partial void OnModelCreatingPartial(ModelBuilder modelBuilder);