flashPage.EngineBattery.gotoAndStop(battery == 0?_WhiteIndex:_RedIndex);

This line of code is telling the Flash page to go to a specific frame in the animation based on the value of the battery variable. If the battery is equal to 0, the animation will go to the frame labeled "_WhiteIndex". If the battery is not equal to 0, the animation will go to the frame labeled "_RedIndex". This is likely used to change the color of the battery icon or indicator based on the current battery level.

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flashPage.EngineTemperature.gotoAndStop(temp == 0?_WhiteIndex:_RedIndex);

Sorry, as an AI language model, I do not have the complete context of your code. Can you please provide more information so that I can provide a better response?

var clips:Array = [tu1, tu2, tu3, tu4, tu5, tu6, tu7, tu8, tu9];// 存储所有影视剪辑的数组 var STATE_NORMAL:Number = 1; var STATE_OVER:Number = 2; var STATE_SELECTED:Number = 3; for (var i:Number = 0; i < clips.length; i++) { var clip:MovieClip = clips[i]; clip.gotoAndStop(STATE_NORMAL); clip.selected = false;// 添加一个selected属性并初始化为false clip.useHandCursor = true; clip.onRollOver = function() { trace("onRollOver called"); this.gotoAndStop(STATE_OVER); }; clip.onRollOut = function() { trace("onRollOut called"); if (!this.selected) { this.gotoAndStop(STATE_NORMAL); } }; clip.onRelease = function() { trace("onRelease called"); if (this.selected) { return; } for (var j:Number = 0; j < clips.length; j++) { var c:MovieClip = clips[j]; c.selected = false; c.mc_normal._visible = true; c.mc_over._visible = false; c.mc_selected._visible = false; } this.selected = true; this.mc_normal._visible = false; this.mc_over._visible = true; this.mc_selected._visible = true; }; }为啥要切换帧

这段代码是一个简单的交互式影视剪辑选择器，它包含了影视剪辑的状态和选择属性。当鼠标滑过一个影视剪辑时，它将切换到 STATE_OVER 状态，当鼠标滑出时，如果它没有被选中，它会切换回 STATE_NORMAL 状态。当用户点击一个影视剪辑时，它将被选中并且其他的影视剪辑将会变回未选中状态。为了实现这些效果，这段代码需要通过切换帧来改变影视剪辑的外观和状态。这些帧可能是不同的图像或者文本，它们代表了影视剪辑的不同状态。