static void Main(string[] args)
{
//测试一，无参构造函数调用
Console.WriteLine("\n测试一:无参构造函数调用--------------------");
Bus bus = new Bus();
bus.Showinfo();
Console.WriteLine("\n测试二:有参构造函数调用---------------------");
Bus bus2 = new Bus(20, "渝AA8888");
bus2.Showinfo();
Console.WriteLine("\n测试三:虚函数和多态性测试-------------------");
Transport tp1 = new Bus();
Transport tp2 = new CityBus();
Transport tp3 = new Taxi();
tp1.Speak();
tp2.Speak();
tp3.Speak();
Console.WriteLine("\n测试四:接口定义和使用----------------------");
IBus ip = new Bus
{
Plate = "渝AA8888" //通过接口的Plate属性设置客车的车牌号
};
ip.Showinfo(); //通过接口的Showinfo方法输出信息
Console.WriteLine("\n测试五:事件触发----------------------------");
//将事件处理程序添加到事件的调用列表中(即事件绑定)
bus.OnChanged += new Bus.ChangedEventHandler(Speed_Changed);
//设置属性值，触发相应的事件
bus.Speed = 120;
Console.Read();
}
private void BindCity(string ProCode)
{
if (string.IsNullOrEmpty(ProCode))
{
return;
}
string ProvinceCode = SetPro.Value;
if (!string.IsNullOrEmpty(ProvinceCode))
{
DataTable dt = CityBus.GetCityByCode(ProvinceCode);
if (dt != null && dt.Rows.Count > 0)
{
SetCity.Items.Clear();
foreach (DataRow Row in dt.Rows)
{
ListItem CityItem = new ListItem();
CityItem.Text = Row["CityName"].ToString();
CityItem.Value = Row["CityCD"].ToString();
this.SetCity.Items.Add(CityItem);
}
SetCity.Items.Insert(0, "请选择");
}
}
}
