protected override void OnConfiguring(DbContextOptins options) { options.UseDbConnection(new SqlConnection { ConnectionString = "Data Source=.;Initial Catalog=Northwind;MultipleActiveResultSets=true;User Id=sa;Password=138jobcom;" }); }
/// <summary> /// 初始化表结构对象 /// </summary> protected override void OnCreateEntity(DbContextOptins options) { foreach (var item in ReflectionHelper.GetProperties(this)) { if (ReflectionHelper.IsGenericType(item.PropertyType, typeof(IEntity <>)) == false) { throw new InvalidCastException($"类型 { nameof(item.PropertyType) } 必须继承 { typeof(IEntity<>) }"); } var mapping = DbTypeSystem.GetMapping(this.GetType(), item); var provider = DbTypeSystem.GetProvider(options.DbConnection, mapping, QueryPolicy.Default); item.CreateSetPropertyLambda()(this, provider.GetTable(ReflectionHelper.GetGenericType(item.PropertyType), item.Name)); } }