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表格跨行时隔行变色

 
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效果图:


代码:

<!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>表格跨行时隔行变色</title>
</head>
<style type="text/css">
    td
    {
        border: 1px solid;
        width: 100px;
    }
</style>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script type="text/javascript">
    $(function () {
        var i = 0, j = 0, k = 0;
        $("#tableShow tr").each(function (n) {
            if ($(this).find("td").size() == 4) {
                j = $(this).find("td:eq(0)").attr("rowspan");
            };
            i++;
            if (k % 2 == 0 ) {
                $(this).css("backgroundColor", "yellow")
            };
            if (i == j) {
                i = 0;
                k++;
            };

        });
    })
</script>
<body>
    <table id="tableShow" style="border: 1px solid">
        <!--第一行-->
        <tr>
            <td rowspan="3">
                aaa
            </td>
            <td rowspan="3">
                bbb
            </td>
            <td>
                ccc
            </td>
            <td>
                ddd
            </td>
        </tr>
        <tr>
            <td>
                ee
            </td>
            <td>
                ff
            </td>
        </tr>
        <tr>
            <td>
                gg
            </td>
            <td>
                hh
            </td>
        </tr>
        <!--第二行-->
        <tr>
            <td rowspan="3">
                aaa
            </td>
            <td rowspan="3">
                bbb
            </td>
            <td>
                ccc
            </td>
            <td>
                ddd
            </td>
        </tr>
        <tr>
            <td>
                ee
            </td>
            <td>
                ff
            </td>
        </tr>
        <tr>
            <td>
                gg
            </td>
            <td>
                hh
            </td>
        </tr>
        <!--第三行-->
        <tr>
            <td rowspan="3">
                aaa
            </td>
            <td rowspan="3">
                bbb
            </td>
            <td>
                ccc
            </td>
            <td>
                ddd
            </td>
        </tr>
        <tr>
            <td>
                ee
            </td>
            <td>
                ff
            </td>
        </tr>
        <tr>
            <td>
                gg
            </td>
            <td>
                hh
            </td>
        </tr>
        <!--第四行-->
        <tr>
            <td rowspan="3">
                aaa
            </td>
            <td rowspan="3">
                bbb
            </td>
            <td>
                ccc
            </td>
            <td>
                ddd
            </td>
        </tr>
        <tr>
            <td>
                ee
            </td>
            <td>
                ff
            </td>
        </tr>
        <tr>
            <td>
                gg
            </td>
            <td>
                hh
            </td>
        </tr>
    </table>
</body>
</html>


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