codefirst 测试完毕

2024-09-18 14:51:20 +08:00
parent 5b2b5fead9
commit a64cec987d
20 changed files with 354 additions and 886 deletions
@@ -0,0 +1,42 @@
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using Microsoft.EntityFrameworkCore.Metadata.Conventions;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IRaCIS.Core.Test;
+
+/// <summary>
+/// 设置decimal 默认精度问题 （但是用ef迁移工具的时候，还是会提示No store type was specified for the decimal property，但是迁移文件里面体现了该配置，在dbcontext里写，那么就会没该警告）
+/// </summary>
+public class DecimalPrecisionConvention : IModelFinalizingConvention
+{
+    private readonly int _precision;
+    private readonly int _scale;
+
+    public DecimalPrecisionConvention(int precision, int scale)
+    {
+        _precision = precision;
+        _scale = scale;
+    }
+
+    public void ProcessModelFinalizing(IConventionModelBuilder modelBuilder, IConventionContext<IConventionModelBuilder> context)
+    {
+
+        foreach (var property in modelBuilder.Metadata.GetEntityTypes()
+                    .SelectMany(
+                        entityType => entityType.GetDeclaredProperties()
+                            .Where(
+                                property => property.ClrType == typeof(decimal)  || property.ClrType == typeof(decimal?))))
+        {
+
+
+            // 设置精度和小数位数
+            property.SetPrecision(_precision);
+            property.SetScale(_scale);
+        }
+    }
+}