效果图：
源码：
<!DOCTYPE html>
<title>日历</title>
<style>
table{
border-collapse:collapse;
border:1px solid #DCDCDC;
font:normal 16px/1.5em Arial,Verdana,Lucida,Helvetica,sans-serif;
}
caption{
text-align:center;
line-height:46px;
font-size:20px;
color:blue;
}
th,td{
width:40px;
height:40px;
text-align:center;
border:1px solid #DCDCDC;
}
th{
color:#000000;
background-color:#EEEEEE;
}
td.current{
font-weight:bold;
color:#FFFFFF;
background-color:blue;
}
td.last_month,td.next_month{
color:#DFDFDF;
}
col.day_off{
color:#B3222B;
background-color:#F8F8F8;
}
</style>
<table>
<caption>2019年04月16日</caption>
<!--使用colgroup标签将表格的前后两列，星期六日的日期定义一种样式-->
<colgroup span="7">
<col span="1" class="day_off"/>
<col span="5"/>
<col span="1" class="day_off"/>
</colgroup>
<thead>
<th>日
<th>一
<th>二
<th>三
<th>四
<th>五
<th>六
<tbody>
<tr> <td class="last_month">31 <td>1 <td>2 <td>3 <td>4 <td>5 <td>6
<tr> <td>7 <td>8 <td>9 <td>10 <td>11 <td>12 <td>13 <tr> <td>14 <td>15 <td class="current">16 <td>17 <td>18 <td>19 <td>20 <tr> <td>21 <td>22 <td>23 <td>24 <td>25 <td>26 <td>27 <tr> <td>28 <td>29 <td>30 <td class="next_month">1 <td class="next_month">2 <td class="next_month">3 <td class="next_month">4
</table>
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谢谢阅读！
文章来源: blog.csdn.net，作者：WongKyunban，版权归原作者所有，如需转载，请联系作者。
原文链接：blog.csdn.net/weixin_40763897/article/details/89340848