摘要:
首先有个接口 interface Visit { public function go (); } 然后有三个类Leg,Car,Train class Leg implements Visit { public function go (){ echo "walt to 新疆"; } } class 阅读全文
摘要:
首先有个接口 interface Visit { public function go (); } 然后有三个类Leg,Car,Train class Leg implements Visit { public function go (){ echo "walt to 新疆"; } } class 阅读全文