编译原理课作业，内有详细说明，flex的作业-assignment of the principle of compiling, a detailed descr iption of flex operations

专门读取Excel文件的类，应用示例： var xls:ExcelFile = new ExcelFile();//生成xls文件 xls.loadFromByteArray(byteArray);//加载数据 if(xls == null) return; var sheet:Sheet = xls.sheets[0]; var xlsSet:ArrayCollection = sheet.values;//数据赋值(Classes that