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));
}
}
