html tr td colspan

colspan  属性规定单元格可横跨的列数，

第一行的colspan规定其一行所跨越的列数，要与下一行的<td></td>个数一致

 if(!empty ($alarmDescArr))

 {

    echo '<table width="80%" border="0" cellspacing="0" class="tableNormal" id=THAlarmCfgid >

      <tr bgcolor="#0099FF">

        <td class="tableTitleL1" colspan="10"><font color="#FFFFFF">告警描述与条件</font></td>

      </tr>

      <tr>

        <td nowrap class="tableSingularLine">告警描述使能</td>

        <td nowrap class="tableSingularLine">告警描述</td>

        <td nowrap class="tableSingularLine">告警级别</td>

        <td nowrap class="tableSingularLine">告警描述延迟时间</td>

        <td nowrap class="tableSingularLine">告警运行参数</td>

        <td nowrap class="tableSingularLine">告警运行参数判断条件</td>

        <td nowrap class="tableSingularLine">告警条件条件值A</td>

        <td nowrap class="tableSingularLine">告警条件条件值B</td>

        <td nowrap class="tableSingularLine">添加告警条件</td>

        <td nowrap class="tableSingularLine">删除告警条件</td>

      </tr>

        ';

  }

            for($i=0;$i<count($alarmDescArr); $i++)

            {

                if ($i%2)

                {

                    $szClass = "tableEvenLine";

                }

                else

                {

                    $szClass = "tableSingularLine";

                }

                echo("<tr id=alarmDefine ".$i." >");

                // disabled  delete alarm

                 if($alarmDescArr[$i]['wd_encblelog'] == 1)

                   $alarmDescEnalbe = "checked";

                 else

                   $alarmDescEnalbe = "";

                // echo $alarmDescArr[$i]['wd_encblelog'];

                // 告警描述使能

                echo("<td nowrap class=".$szClass.">

                       <input name=alarmDescArr[".$i."][wd_encblelog] type=checkbox class=textEnaSty value=1 ".$alarmDescEnalbe." size=10

                       maxlength=10 disabled></td>");

                //  传递wd_id 与 wd_priority

                // echo("<input name=alarmDescArr[".$i."][wd_id] type=\"hidden\" class=textEnaSty value=\"".$alarmDescArr[$i]['wd_id']."\" >");

                // echo("<input name=alarmDescArr[".$i."][wd_priority] type=\"hidden\" class=textEnaSty value=\"".$alarmDescArr[$i]['wd_priority']."\" >");

                // 告警描述

                echo("<td nowrap class=".$szClass.">

                       <input name=alarmDescArr[".$i."][wd_warndesc] type=text class=textEnaSty value=\"".$alarmDescArr[$i]['wd_warndesc']."\" size=15

                        maxlength=10 disabled></td>");

                // 告警级别

                echo("<td nowrap class=".$szClass.">

                       <select name=alarmDescArr[".$i."][wd_level] size=1 class=textEnaSty>

                        <option value=". $alarmDescArr[$i]['wd_level'] ." selected disabled>".$alarmLev[$alarmDescArr[$i]['wd_level']]."</option>

                       </select>

                      </td>");

                //告警描述延迟时间          通过OpenNewWindow

                 echo("<td nowrap class=".$szClass.">

                       <input name=alarmDescArr[".$i."][wd_delay] type=text class=textEnaSty value=\"".$alarmDescArr[$i]['wd_delay']."\" size=10

                        maxlength=10 disabled></td>");

                // 运行参数

                 echo("<td nowrap class=".$szClass.">

                       <input name=alarmDescArr[".$i."][wc_parameters] type=text class=textEnaSty value=\"".$alarmDescArr[$i]['wc_parameters']."\" size=10

                        maxlength=10 disabled></td>");

                 // 判断条件

                  echo("<td nowrap class=".$szClass.">

                       <select name=alarmDescArr[".$i."][wc_conditions] size=1 class=textEnaSty>

                        <option value=". $alarmDescArr[$i]['wc_conditions'] ." selected disabled>".$alarmJdgCon[$alarmDescArr[$i]['wc_conditions']]."</option>

                       </select>

                      </td>");

               // 条件值A

                echo("<td nowrap class=".$szClass.">

                       <input name=alarmDescArr[".$i."][wc_value0] type=text class=textEnaSty value=\"".$alarmDescArr[$i]['wc_value0']."\" size=10

                        maxlength=10 disabled></td>");

              // 条件值B

              echo("<td nowrap class=".$szClass.">

                       <input name=alarmDescArr[".$i."][wc_value1] type=text class=textEnaSty value=\"".$alarmDescArr[$i]['wc_value1']."\" size=10

                        maxlength=10 disabled></td>");

              // 添加告警条件

            echo("<td nowrap class=".$szClass.">

                     <input name=alarmDefine[".$i."]['alarm_delete'] type=button class=inputButtonNormal

                        value='添加' onClick='OpenNewWindow(".$alarmDescArr[$i]['wd_id'].",".$alarmDescArr[$i]['wd_priority'].",".$device_type_id.")' size=50></td>");

              // 删除告警描述及相关的告警条件

            echo("<td nowrap class=".$szClass.">

                     <input name=alarmDefine[".$i."][con_add] type=button class=inputButtonNormal

                       value='删除'  onClick='alarmDelete(".$alarmDescArr[$i]['wd_id'].",".$alarmDescArr[$i]['wd_priority'].",".$device_type_id.",\"".$alarmDescArr[$i]['wc_parameters']."\")'></td>");

              echo("</tr>");

            }

if(!empty ($alarmDescArr))

 {

      echo "</table>";

      echo "<p></p>";

  }

效果如下：