    <li<?php if($editstep=="basic"){echo ' class="layui-this"';} ?>><a href="/glexam/tongji/index?id=<?php echo $exam->id; ?>">总体数据</a></li>
    <li<?php if($editstep=="list"){echo ' class="layui-this"';} ?>><a href="/glexam/tongji/list?id=<?php echo $exam->id; ?>">成绩列表</a></li>
    <li<?php if($editstep=="question"){echo ' class="layui-this"';} ?>><a href="/glexam/tongji/question?id=<?php echo $exam->id; ?>">题目正确率</a></li>
    <li<?php if($editstep=="score"){echo ' class="layui-this"';} ?>><a href="/glexam/tongji/score?id=<?php echo $exam->id; ?>">得分区间</a></li>
