static void Main(string[] args)
{
try
{
Console.WriteLine("欢迎来到.net高级班公开课之设计模式特训，今天是Eleven老师为大家带来的适配器模式");
Console.WriteLine("*****************************");
{
IHelper helper = new SqlserverHelper();
helper.Add <Program>();
helper.Delete <Program>();
helper.Update <Program>();
helper.Query <Program>();
}
Console.WriteLine("*****************************");
{
IHelper helper = new MysqlHelper();
helper.Add <Program>();
helper.Delete <Program>();
helper.Update <Program>();
helper.Query <Program>();
}
Console.WriteLine("*****************************");
{
IHelper helper = new OracleHelper();
helper.Add <Program>();
helper.Delete <Program>();
helper.Update <Program>();
helper.Query <Program>();
}
Console.WriteLine("*****************************");
{
IHelper helper = new RedisHelperClass(); //new RedisHelper();
helper.Add <Program>();
helper.Delete <Program>();
helper.Update <Program>();
helper.Query <Program>();
}
{
RedisHelperClass helper = new RedisHelperClass();
helper.Add <Program>();
}
Console.WriteLine("*****************************");
{
IHelper helper = new RedisHelperObject(); //new RedisHelper();
helper.Add <Program>();
helper.Delete <Program>();
helper.Update <Program>();
helper.Query <Program>();
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
Console.Read();
}
static void Main(string[] args)
{
{
Console.WriteLine("************************");
IHelper helper = new MySqlHelper();
helper.Query <Program>();
helper.Delete <Program>();
helper.Update <Program>();
helper.Add <Program>();
}
{
Console.WriteLine("************************");
IHelper helper = new OracleHelper();
helper.Query <Program>();
helper.Delete <Program>();
helper.Update <Program>();
helper.Add <Program>();
}
{
Console.WriteLine("************************");
IHelper helper = new SqlserverHelper();
helper.Query <Program>();
helper.Delete <Program>();
helper.Update <Program>();
helper.Add <Program>();
}
{
//引入第三方的redis,不适配
Console.WriteLine("************************");
IHelper helper = new RedisHelperInherit();//类适配器
helper.Query <Program>();
helper.Delete <Program>();
helper.Update <Program>();
helper.Add <Program>();
}
{//组合优于继承
Console.WriteLine("***************");
Console.WriteLine("************************");
IHelper helper = new RedisHelperCombination();//对象适配器
helper.Query <Program>();
helper.Delete <Program>();
helper.Update <Program>();
helper.Add <Program>();
}
//都做到了适配,都能新旧适配起来
//组合优于继承 1.继承是强侵入形的 会带过来父类的方法(有多余的东西)
// 2.灵活性问题(组合是依赖抽象的,继承是依赖细节的)
//应用总结:
//属于不救模式,全新引入新的组件要用上的
//不能在项目一开始设计的时候就搞适配器,徒增难度
//时机选择
Console.WriteLine("Hello World!");
}
