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var maxtime = 45 * 60 //一个小时，按秒计算，自己调整! function CountDown() { if (maxtime >= 0) { minutes = Math.floor(maxtime / 60); seconds = Math.floor(maxtime % 60); msg = "剩余时间：<span style='font-size:25px; color:red;font-fami... 阅读全文
摘要：
SELECT ROW_NUMBER() OVER (ORDER BY newid()) AS Id,TopicID, TopicClass, ExamVersion, Topic, TopicAnswer, TopicPic, TopicRemark, SortFROM EXAMTOPIC 阅读全文