protected override void Seed(BloggingDbContext dbContext)
{
//每次运行Update-Database，都会运行这个函数
BloggingDatabaseSeed.Seed(dbContext);
}
/// <summary>
/// A method that should be overridden to actually add data to the context for seeding.
/// The default implementation does nothing.
/// </summary>
/// <param name="context">The context to seed. </param>
protected override void Seed(BloggingDbContext context)
{
base.Seed(context);
BloggingDatabaseSeed.Seed(context);
}
