页面复合表头的做法
<table Border='1'>
<thead>
<tr style="background-color:#ffffff;">
<th style="height: 1px;"></th>
<th style="height: 1px;"></th>
<th style="height: 1px;"></th>
<th style="height: 1px;"></th>
<th style="height: 1px;"></th>
<th style="height: 1px;"></th>
<th style="height: 1px;"></th>
</tr>
<tr>
<th class="ui-state-default ui-th-column" rowspan="2">专业名称</th>
<th class="ui-state-default ui-th-column" rowspan="2">计划投资(万元)</th>
<th class="ui-state-default ui-th-column" colspan="2">立项批复</th>
<th class="ui-state-default ui-th-column" colspan="2">设计批复</th>
<th class="ui-state-default ui-th-column" rowspan="2">可用额度(万元)</th>
</tr>
<tr>
<th class="ui-state-default ui-th-column">批复投资(万元)</th>
<th class="ui-state-default ui-th-column">项目个数</th>
<th class="ui-state-default ui-th-column">批复投资(万元)</th>
<th class="ui-state-default ui-th-column">项目个数</th>
</tr>
</thead>
</table>
<thead>
<tr style="background-color:#ffffff;">
<th style="height: 1px;"></th>
<th style="height: 1px;"></th>
<th style="height: 1px;"></th>
<th style="height: 1px;"></th>
<th style="height: 1px;"></th>
<th style="height: 1px;"></th>
<th style="height: 1px;"></th>
</tr>
<tr>
<th class="ui-state-default ui-th-column" rowspan="2">专业名称</th>
<th class="ui-state-default ui-th-column" rowspan="2">计划投资(万元)</th>
<th class="ui-state-default ui-th-column" colspan="2">立项批复</th>
<th class="ui-state-default ui-th-column" colspan="2">设计批复</th>
<th class="ui-state-default ui-th-column" rowspan="2">可用额度(万元)</th>
</tr>
<tr>
<th class="ui-state-default ui-th-column">批复投资(万元)</th>
<th class="ui-state-default ui-th-column">项目个数</th>
<th class="ui-state-default ui-th-column">批复投资(万元)</th>
<th class="ui-state-default ui-th-column">项目个数</th>
</tr>
</thead>
</table>