通过vb控制orm光标阅读机进行答题卡的阅读，并抽取答案，统计每个项目的得分，并按照一定的规则转换为分数，自动生成excel文件。-Orm control through vb OMR answer sheet to the reading, and to take the answer, statistical scoring of each item and in accordance with the rules must convert fraction, automatically g