static IServiceCollection AddFreeDbContext(this IServiceCollection services, Type dbContextType, Action <DbContextOptionsBuilder> options)
{
services.AddScoped(dbContextType, sp =>
{
DbContext ctx = null;
try
{
var ctor = dbContextType.GetConstructors().FirstOrDefault();
var ctorParams = ctor.GetParameters().Select(a => sp.GetService(a.ParameterType)).ToArray();
ctx = Activator.CreateInstance(dbContextType, ctorParams) as DbContext;
}
catch (Exception ex)
{
throw new Exception($"AddFreeDbContext 发生错误，请检查 {dbContextType.Name} 的构造参数都已正确注入", ex);
}
if (ctx != null && ctx._ormScoped == null)
{
var builder = new DbContextOptionsBuilder();
options(builder);
ctx._ormScoped = DbContextScopedFreeSql.Create(builder._fsql, () => ctx, () => ctx.UnitOfWork);
ctx._optionsPriv = builder._options;
if (ctx._ormScoped == null)
{
throw new Exception("请在 OnConfiguring 或 AddFreeDbContext 中配置 UseFreeSql");
}
ctx.InitPropSets();
}
return(ctx);
});
return(services);
}
public FreeContext(IFreeSql orm)
{
_ormScoped = DbContextScopedFreeSql.Create(orm, () => this, () => UnitOfWork);
}