使用对象的标识符更改flex中的设置-Usingtheidentifierofanobjecttochangesettingsinflex

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you need to use the id of the object, or pass the object reference instead of just its id to the event handler. In the example you have given the id is anything. Make sure this is unique for each object instance in the MXML.

您需要使用对象的id，或者将对象引用而不仅仅是其id传递给事件处理程序。在示例中，您给出的id是任何东西。确保这对于MXML中的每个对象实例都是唯一的。

One option is to directly refer to the stage instance. The code will be like this

一种选择是直接引用舞台实例。代码将是这样的

protected function click_Handler(s:String){
    anything.width ="xx" ;
}

The other option is to pass either the event object (which is a good practice) or at least the target object to event handler, and use that. The code will be like this:

另一种选择是将事件对象（这是一个好习惯）或至少目标对象传递给事件处理程序，并使用它。代码将是这样的：

protected function click_Handler(e:Event){
    ((DisplayObject)(e.currentTarget)).width = "xx"
}