我的script_a.php:try{Class1::tryThis();}catch(Exception$e){//Dostuffheretoshowtheuseranerroroccurred}Class1::tryThis()有类似的内容:publicfunctiontryThis(){Class2::tryThat();self::logSuccessfulEvent();}问题是Class2::tryThat()会抛出异常。如果确实抛出异常，self::logSuccessfulEvent();行似乎仍会执行。我如何重构这段代码，使self::logSuccessfulEve