????：<?php// 對象依賴注入// 女朋友類class Girl{public function work(){return '會做飯';}public function hobby(){return '愛購物';}}// 男朋友類class Boy{public function getInfo(){$girl = new Girl;return '我

<?php

// 對象依賴注入

// 女朋友類

class Girl

{

public function work()

{

return '會做飯';

}

public function hobby()

{

return '愛購物';

}

}

// 男朋友類

class Boy

{

public function getInfo()

{

$girl = new Girl;

return '我的女朋友'.$girl->work();

}

}

$boy = new Boy;

echo $boy->getInfo();

class Boy1

{

private $girl = null;

public function __construct(Girl $girl)

{

$this->girl = $girl;

}

public function getInfo()

{

return '我的女朋友' .$this->girl->work();

}

}

$girl = new Girl;

$boy1 = new Boy1($girl);

echo $boy1->getInfo();

echo '<hr>';

?? ???：查無此人?? ??：2019-06-10 09:09:31
???? ??：完成的不錯。依賴注入現(xiàn)在很流行，多了解。繼續(xù)加油