4-2-2.php

php电子书

4-2-2.php <br>
实现一个接口<br>
<?
interface  User{
	const MAX_GRADE= 99; //静态常量
    function getName();
    function setName($_name);	
}
//实现接口
class NormalUser implements User {
	private $name ;
	function getName(){
		return $this->name;
	}
	function setName($_name){
		$this->name = $_name;
	}
}
$normalUser = new NormalUser(); //创建对象
$normalUser->setName("tom"); //设置 name
echo "UserName is " . $normalUser->getName();
echo "<BR>";
echo "MAX_GRADE is " . NormalUser::MAX_GRADE; //静态常量

?>