xxxxxxxxxx<!DOCTYPE html><html><head><meta charset="utf-8"><title>HTML <colgroup> charoff 属性使用-基础教程(div.cn)</title><style>table, th, td { border: 1px solid black;}</style></head><body><table style="width:100%"> <colgroup align="left"></colgroup> <colgroup align="char" char="." charoff="2"></colgroup> <tr> <th>Month</th> <th>Savings</th> </tr> <tr> <td>January</td> <td>$100.00</td> </tr> <tr> <td>February</td> <td>$10.00</td> </tr></table></body></html>