我已经搜索了这个问题的解决方案,虽然我发现了几个旧帖子,但它们似乎都没有解决问题,而是找到了一些适合特定任务的独特解决方案。所以我希望再次提出这个问题,看看是否有人能提出更普遍的建议。
我有一个单一的函数,里面有一个开关,监听哪个电影剪辑被按下,并根据电影剪辑的名称,采取一定的行动。由于CreateJS似乎没有拿起电影剪辑的名字,我已经分配了我自己的个别电影剪辑,然而,我怎么能很容易地检查哪一个被点击?在AS3中,使用e.target.name
很容易做到。下面是我的代码片段:
this.parentMovie.button1.name = "button1";
this.parentMovie.button2.name = "button2";
this.parentMovie.button3.name = "button3";
this.parentMovie.button1.addEventListener("click", onClick.bind(this));
this.parentMovie.button2.addEventListener("click", onClick.bind(this));
this.parentMovie.button3.addEventListener("click", onClick.bind(this));
function onClick(e)
{
console.log(this.parentMovie.button1.name); // returns the name of the movieclip just fine, so I know at least that is carried over.
switch(/* what do I need to put here?? */) // in AS3 it was e.target.name and it worked great. In JS it returns as null
{
case "button1":
// do something
break;
case "button2":
// do something
break;
case "button3":
// do something
break;
}
}
非常感谢!
name
属性不是自动创建的(尽管可能应该这样做)。你的switch语句应该很简单,只需使用变量引用:
function onClick(e)
{
console.log(this.parentMovie.button1.name); // returns the name of the movieclip just fine, so I know at least that is carried over.
switch(e.currentTarget) // Use currentTarget since the button might have children
{
case this.parentMovie.button1:
// do something
break;
case this.parentMovie.button2:
// do something
break;
case this.parentMovie.button3:
// do something
break;
}
}
它应该完成你想要做的事情。