画线 <table width=200 height=400 style="border-right:1 solid blue"><tr><td></table> <br> <table width=200 height=400 cellspacing=0 cellpadding=0> <tr><td> <td width=1 bgcolor=red> <td><hr color="#3300ff" SIZE="1"></td> 虚线的实现<hr style="border: 1px dotted #ff0000;400" size=1><table style="border: 1px dotted #ff0000;400"><tr><td>表格</td></tr></table>