復制代碼 代碼如下:
<?php
interface IAnimal{
public function run();
public function speak();
}
class Animal implements IAnimal{
public function run(){
//在這里可以添加一些相同的run邏輯
return "same run<br />";
}
public function speak(){
//這里可以添加一些相同的speak邏輯
return "same speak<br />";
}
}
class Dog extends Animal{
public function speak(){
//在這里可以添加一些Dog邏輯
return "Dog speak<br />";
}
}
class Cattle extends Animal{
public function speak(){
//在這里可以添加一些Cattle邏輯
return "Cattle speak<br />";
}
}
$oDog=new Dog();
echo($oDog->run());
echo($oDog->speak());
$oCattle=new Cattle();
echo($oCattle->run());
echo($oCattle->speak());
?>
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