Text截取字符

text:TextFieldvar str:String = text.text.slice();var truncated:Boolean = false;str = str.slice(0, Math.floor((maxWidth / (text.textWidth + 5)) * str.length));text.text = str;while (str.length > 1 && text.textWidth + 5 > maxWidth){str = str.slice(0, str.length - 2);text.text = str;truncated = true;}

单行显示时，截取宽度内可显示的最长完整字符串