统计求和....

So easy, L@_@K<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title> new document </title>
  <meta name="generator" content="editplus" />
  <meta name="author" content="" />
  <meta name="keywords" content="" />
  <meta name="description" content="" />
 </head> <body>
<table width="95%" border="1" align="center" cellpadding="0" cellspacing="0" bordercolordark="#ffffff" frame="box" dercolorlight="#cccccc" id="tab">
<tr align="center" valign="middle">
 <td width="12%" height="21" align="center" class="table_header">服务站点</td>
 <td width="12%" align="center" class="table_header">服务日期</td>
 <td width="12%" align="center" class="table_header">服务时间</td>
</tr>

   <!--   <logic:present name="dataList">
<logic:iterate id="item" name="dataList" indexId="id">
  <tr height="22" id="row" onClick="td_click(<%=id%>)">
    <td align="center"><bean:write name="item" property="stationName" /></td>
<td align="center"><bean:write name="item" property="startTime" format="yyyy-MM-dd"/></td>
<td align="center"><bean:write name="item" property="serviceMinute" /></td>
  </tr>
</logic:iterate>
      </logic:present>
-->
<tr>
  <td align="center">东直门</td>
  <td align="center">2007-1-1</td>
  <td align="center">5</td>
</tr>
<tr>
  <td align="center">东直门</td>
  <td align="center">2007-2-1</td>
  <td align="center">4</td>
</tr>
<tr>
  <td align="center">东直门</td>
  <td align="center">2007-3-1</td>
  <td align="center">6</td>
</tr>
<tr>
  <td align="center">东直门</td>
  <td align="center">2007-4-1</td>
  <td align="center">7</td>
</tr>
<tr>
  <td align="center">东直门</td>
  <td align="center">2007-8-15</td>
  <td align="center">21</td>
</tr>
<tr align="center" valign="middle">
  <td width="12%" align="center" class="table_header"></td>
  <td width="12%" align="right" class="table_header">服务统计时间：</td>
  <td width="12%" align="center" class="table_header"></td>
</tr>
</table>
 </body>
 <script type="text/javascript">
 <!--
var oTab = document.getElementById("tab");
alert(oTab.rows.length);
var timeCount = 0;
for (var i=1; i<oTab.rows.length; i++)
{
    if (i!=oTab.rows.length-1)
    {
        timeCount += parseInt(oTab.rows[i].cells[2].innerText, 10);
    }
    else
    {
        oTab.rows[i].cells[2].innerText = timeCount;
    }
}
 //-->
 </script>
</html>

解决方案 »

  1.   

    改了改，L@_@K<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
     <head>
      <title> new document </title>
      <meta name="generator" content="editplus" />
      <meta name="author" content="" />
      <meta name="keywords" content="" />
      <meta name="description" content="" />
     </head> <body>
    <table width="95%" border="1" align="center" cellpadding="0" cellspacing="0" bordercolordark="#ffffff" frame="box" dercolorlight="#cccccc" id="tab">
    <tr align="center" valign="middle">
     <td width="12%" height="21" align="center" class="table_header">服务站点</td>
     <td width="12%" align="center" class="table_header">服务日期</td>
     <td width="12%" align="center" class="table_header">服务时间</td>
    </tr>

       <!--   <logic:present name="dataList">
    <logic:iterate id="item" name="dataList" indexId="id">
      <tr height="22" id="row" onClick="td_click(<%=id%>)">
        <td align="center"><bean:write name="item" property="stationName" /></td>
    <td align="center"><bean:write name="item" property="startTime" format="yyyy-MM-dd"/></td>
    <td align="center"><bean:write name="item" property="serviceMinute" /></td>
      </tr>
    </logic:iterate>
          </logic:present>
    -->
    <tr>
      <td align="center">东直门</td>
      <td align="center">2007-1-1</td>
      <td align="center">5</td>
    </tr>
    <tr>
      <td align="center">东直门</td>
      <td align="center">2007-2-1</td>
      <td align="center">4</td>
    </tr>
    <tr>
      <td align="center">东直门</td>
      <td align="center">2007-3-1</td>
      <td align="center">6</td>
    </tr>
    <tr>
      <td align="center">东直门</td>
      <td align="center">2007-4-1</td>
      <td align="center">7</td>
    </tr>
    <tr>
      <td align="center">东直门</td>
      <td align="center">2007-8-15</td>
      <td align="center">21</td>
    </tr>
    <tr align="center" valign="middle">
      <td width="12%" align="center" class="table_header"></td>
      <td width="12%" align="right" class="table_header">服务统计时间：</td>
      <td width="12%" align="center" class="table_header"></td>
    </tr>
    </table>
     </body>
     <script type="text/javascript">
     <!--
    var oTab = document.getElementById("tab");
    var targetColIndex = 2;
    var timeCount = 0;
    for (var i=1; i<oTab.rows.length; i++)
    {
        if (i != oTab.rows.length-1)
        {
            timeCount += parseInt(oTab.rows[i].cells[targetColIndex].innerText, 10);
        }
        else
        {
            oTab.rows[i].cells[targetColIndex].innerHTML = "<b style='color: red;'>" + timeCount + "</b>";
        }
    }
     //-->
     </script>
    </html>