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                ## 服務類[service]的封裝 由于本項目的業務需求,我們需要封裝大量的服務類來完成各種數據以及邏輯處理,我們在此以客戶端訂單管理操作為例。訂單管理要實現以下操作: 訂單報價(orderOffer) 訂單支付(orderPay) 訂單評價(orderComment) 按照傳統的寫法,我們會寫成這樣: class orderAction { public function orderOffer() { //do something } public function orderPay() { //do something } public function orderComment() { //do something } } 這些寫,是可以實現業務需求,但是擴展性和靈活性太差。在我們的項目中,我們采用`call_user_func`這個函數來實現。 class orderAction { public function render($actionName) { call_user_func([self::class, $actionName]); } private function orderOffer() { //do something } private function orderPay() { //do something } private function orderComment() { //do something } public function __call($name, $arguments) { //do something } } `orderAction`類只對外暴露一個`render`方法,在外部使用的時候,我們在通過容器注入的方式來實現訪問不同的訂單管理方法: Container::get(OrderAction::class)->render('orderOffer');//訂單報價
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