<?php
header("content-type:text/html;charset=utf-8");
class a{
public function call(){
echo "父类的".__CLASS__;
}
public static function say(){
self::call();//直接在父类中调用call方法
}
public static function say1(){
static:: call();//延迟绑定到b的call方法
}
}
class b extends a{
public function call(){
echo "子类的".__CLASS__;
}
}
b::say();//父类的a
b::say1();//子类的b
原创文章,作者:奋斗,如若转载,请注明出处:https://blog.ytso.com/tech/pnotes/15110.html