static void Delete()
{
ClassBusiness cb = new ClassBusiness();
Console.Write("请输入一个博客id：");
int id = int.Parse(Console.ReadLine());
ClassName blog = cb.Query(id);
cb.Delete(blog);
}
//显示全部博客
static void QueryBlog()
{
ClassBusiness cb = new ClassBusiness();
var blogs = cb.Query();
Console.WriteLine("所有数据库中的博客：");
foreach (var item in blogs)
{
Console.WriteLine(item.ClassNameId + "" + item.Name);
}
}
//更新博客id
static void Update()
{
ClassBusiness cb = new ClassBusiness();
Console.WriteLine("请输入id");
int id = int.Parse(Console.ReadLine());
ClassName blog = cb.Query(id);
Console.Write("请输入新博客名：");
string name = Console.ReadLine();
blog.Name = name;
cb.Update(blog);
}
