代码
<s:iterator value="infoList">
<tr class="th1" onMouseOver="this.style.background='#AFC9E3'" onmouseout="this.style.background='#F5F7F9'" ondblclick="javascript: window.location='viewInfo.action?id=<s:property value="pc_id"/>'">
<td><img src="..\images\bul_05.gif"></td>
<td><input type="checkbox" value="${pc_id}" id="ra" name="ra"></input></td>
<td> <s:property value="pc_id "></s:property></td>
<td> <s:property value="user_nm"></s:property></td>
<td> <s:property value="dept_nm"></s:property></td>
<td> <s:property value="ip_addr"></s:property></td>
<td> <s:property value="win_os"></s:property></td>
<td> <s:property value="rmk"></s:property></td>
<td> <s:property value="grade"></s:property></td>
<td> <s:property value="pc_type"></s:property></td>
</tr>
</s:iterator>
<s:iterator value="infoList">
<tr class="th1" onMouseOver="this.style.background='#AFC9E3'" onmouseout="this.style.background='#F5F7F9'" ondblclick="javascript: window.location='viewInfo.action?id=<s:property value="pc_id"/>'">
<td><img src="..\images\bul_05.gif"></td>
<td><input type="checkbox" value="${pc_id}" id="ra" name="ra"></input></td>
<td> <s:property value="pc_id "></s:property></td>
<td> <s:property value="user_nm"></s:property></td>
<td> <s:property value="dept_nm"></s:property></td>
<td> <s:property value="ip_addr"></s:property></td>
<td> <s:property value="win_os"></s:property></td>
<td> <s:property value="rmk"></s:property></td>
<td> <s:property value="grade"></s:property></td>
<td> <s:property value="pc_type"></s:property></td>
</tr>
</s:iterator>
function checkCheckbox(id){//传入checkbox的id
if(document.getElementById(id).checked == 'checked') //不是chencked '', 那就是true false 你试试
document.getElementById(id).checked = '';
else
document.getElementById(id).checked = 'checked'; }
</script>
<s:iterator value="infoList">
<tr class="th1" onMouseOver="this.style.background='#AFC9E3'" onmouseout="this.style.background='#F5F7F9'"
ondblclick="javascript: window.location='viewInfo.action?id=<s:property value="pc_id"/>'"
onclick="checkCheckbox('ra' + 循环下标)"> //这里
<td><img src="..\images\bul_05.gif"></td>
<td><input type="checkbox" value="${pc_id}" id="ra+ 循环下标" name="ra"></input></td> //这里
<td> <s:property value="pc_id "></s:property></td>
<td> <s:property value="user_nm"></s:property></td>
<td> <s:property value="dept_nm"></s:property></td>
<td> <s:property value="ip_addr"></s:property></td>
<td> <s:property value="win_os"></s:property></td>
<td> <s:property value="rmk"></s:property></td>
<td> <s:property value="grade"></s:property></td>
<td> <s:property value="pc_type"></s:property></td>
</tr>
</s:iterator>
onclick="checkCheckbox('ra' + 循环下标)"> //这里循环下标是什么东西