<%  String st = "";   for(int i = 1; i <= 9; i++){     for(int j = 1; j <= i; j++){       st += j+"x"+i+"="+i*j;       st += "  ";     }     st += "<br>";   }%><table width="400" height="200" cellpadding="0" cellspacing="0" border="1" bordercolor="red" bgcolor="blue" >  <tr bgcolor="yellow">  <td height="40" align="center">九九乘法表</td></tr>  <tr>  <td rowspan="4"><%= "<br>" + st %></td></tr>