public function run(){
echo '走';
}
public function cry(){
echo '哭';
}
public function think(){
echo '思考';
}
}
$lijun = new Human();
$lijun->eat(); //吃
$lijun->think(); //思考
echo '<hr />';
/*
根据接口，造一个天使
*/
class Angle implements animal,monkey,wisdom,bird{
public function eat(){
echo '吃';
}
public function run(){
echo '走';
<?php
header('Content-Type:text/html;charset=utf-8');
/**/
class Human
{
public $name = "张三";
public static function cry()
{
echo "5555<br/>";
}
public function eat()
{
echo "吃饭<br/>";
}
public function intro()
{
echo $this->name;
}
}
Human::cry();
Human::eat();
//Human::intro();//提示:Using $this when not in object context
$jason = new Human();
$jason->cry();
//动态调用静态还是可以的
{
//在抽象方法前面添加abstract关键字可以表明这个方法是抽象方法 不需要具体实现
public abstract function eat($food);
//抽象类中可以包含普通方法，有方法的具体实现。
public function breath()
{
echo "Breath use the air \n <br/>";
}
}
//继承抽象类的关键字是extends
class Human extends ACanEat
{
//继承抽象类的子类需要实现抽象类中定义的抽象的方法
public function eat($food)
{
echo "Human eating " . $food . "<br/>";
}
}
class Animal extends ACanEat
{
public function eat($food)
{
echo "Animal eating " . $food . "<br/>";
}
}
$man = new Human();
$man->breath();
$man->eat("apple");
$animal = new Animal();
$animal->breath();
$animal->eat("bananer");
// 抽象方法需要在子类中实现
public abstract function eat($food);
public function breath()
{
echo "Breath use the air.\n";
}
}
// Human类实现了ICanEat接口
class Human extends ACanEat
{
// 跟Animal类的实现是不同的
public function eat($food)
{
echo "Human eating " . $food . "\n";
}
}
// Animal类实现了ICanEat接口
class Animal extends ACanEat
{
public function eat($food)
{
echo "Animal eating " . $food . "\n";
}
}
$man = new Human();
$man->eat("Apple");
$man->breath();
// 和Animal共用了抽象类ICanEat的breath方法
$monkey = new Animal();
$monkey->eat("Banana");
$monkey->breath();
