抽奖系统，需要在class同目录下加入config.sflower文件--用于配置初始化信息（奖项信息），用户操作时，首先导入参与抽奖人信息，点击开始进行抽奖。-Lottery system, the need to join the class with the directory config.sflower file- used to configure the initialization information (Award information), user operation, first of all to participate in a lucky draw people into information, click on to start the draw.