flex 数字上标

约定不等于承诺〃 2021-11-10 07:00 257阅读 0赞

以A的3次方为例，我们输入以下代码：
    
    /**
    * 部分代码参考Adobe文档:
    * http://help.adobe.com/zh_CN/AS3LCR/Flash_10.0/flash/text/engine/package-detail.html
    * by kingnare.com
    */
    
    package
    {
        import __AS3__.vec.Vector;
        
        import flash.display.Sprite;
        import flash.text.engine.ContentElement;
        import flash.text.engine.ElementFormat;
        import flash.text.engine.FontDescription;
        import flash.text.engine.FontWeight;
        import flash.text.engine.GroupElement;
        import flash.text.engine.TextBaseline;
        import flash.text.engine.TextBlock;
        import flash.text.engine.TextElement;
        import flash.text.engine.TextLine;
        
        [SWF(width="800", height="600", backgroundColor="#FFFFFF", framerate="24")]
        
        public class TextEngineTest_TextBaseline extends Sprite
        {
            public function TextEngineTest_TextBaseline()
            {
                //字体属性
                var fd1:FontDescription = new FontDescription("Arial");
                //格式设置
                var ef1:ElementFormat = new ElementFormat(fd1, 16);
    
                var fd2:FontDescription = new FontDescription("Arial");
                var ef2:ElementFormat = new ElementFormat(fd2, 10);
                //将基线上移8个像素
                ef2.baselineShift = -8;
                
                //创建已设置格式的文本的字符串
                var te1:TextElement = new TextElement("A",ef1);
                var te2:TextElement = new TextElement("3",ef2);
                
                var groupVector:Vector.<ContentElement> = new Vector.<ContentElement>();
                groupVector.push(te1, te2);
                //组成ContentElement集合
                var groupElement = new GroupElement(groupVector);
                //创建文本块
                var textBlock:TextBlock = new TextBlock();
                textBlock.content = groupElement;
                //显示文本
                createTextLines(textBlock);
            }
            
            //显示文本
            private function createTextLines(textBlock:TextBlock):void
            {
                var yPos = 20;
                var line_length:Number = 450;
                var textLine:TextLine = textBlock.createTextLine(null,line_length);
                while (textLine)
                {
                    addChild(textLine);
                    textLine.x = 15;
                    yPos += textLine.height + 8;
                    textLine.y=yPos;
                    textLine=textBlock.createTextLine(textLine,line_length);
                }
            }
        }
    }

转载于:https://www.cnblogs.com/tiandi/p/3644458.html