<!DOCTYPE html>
<html>
 <head>
<title></title>
<script src='http://code.jquery.com/jquery-1.11.0-beta1.js'></script>
 </head>
 <body>
 <table border = "1" id='tbodyID'> 
<tr> 
 <td><input type='checkbox' ></td>
  <td>1</td>
   <td>2</td>
</tr> 
<tr> 
 <td><input type='checkbox' ></td>
  <td>3</td>
   <td>4</td>
</tr> 
<tr> 
 <td><input type='checkbox' ></td>
  <td>5</td>
   <td>6</td>
</tr> 
</table> 
<input type=button value='选择' onclick='ck()'>
<script>
    function ck(){
    var tbodyObj = document.getElementById('tbodyID');
        $("table :checkbox").each(function(key,value){
            if($(value).prop('checked')){
                alert(tbodyObj.rows[key].cells[1].innerHTML); 
                alert(tbodyObj.rows[key].cells[2].innerHTML); 
            }
        })
    }
</script>
 </body>
 </html>

解决方案 »

  1.   

    <!DOCTYPE html>
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title>Js统计</title>
        <style type="text/css">
            table {
                font-size: 12px;
                border-collapse: collapse;
                border: 1px solid black;
            }            table tr {
                    height: 20px;
                    line-height: 20px;
                }                table tr td {
                        text-align: center;
                        width: 200px;
                    }
        </style>
        <script src="http://code.jquery.com/jquery-1.11.0-beta1.js"></script>
        <script type="text/javascript">
            $(function () {
                $("input[type=checkbox][name=ckb_select]").click(function () {
                    var objs = $("input[type=checkbox][name=ckb_select]:checked").map(function () {
                        var tr = $(this).closest("tr");
                        return { "dj": $(tr).find("td:eq(1)").text(), "zhj": $(tr).find("td:eq(2)").text(), "zp": $(tr).find("td:eq(3)").text() };
                    }).get();                var tj = 0, zhj = 0, zp = 0;
                    $.each(objs, function (i, d) {
                        tj = parseInt(tj) + parseInt(d.dj);
                        zhj = parseInt(zhj) + parseInt(d.zhj);
                        zp = parseInt(zp) + parseInt(d.zp);
                    })                $("#tb_tj tr:last td:eq(1)").text(tj + "元");
                    $("#tb_tj tr:last td:eq(2)").text(zhj + "元");
                    $("#tb_tj tr:last td:eq(3)").text(zp + "件");
                })
            })
        </script>
    </head>
    <body>
        <table id="tb_tj">
            <tr>
                <th>选择</th>
                <th>定价</th>
                <th>折后价</th>
                <th>赠品</th>
            </tr>
            <tr>
                <td><input type="checkbox" name="ckb_select" /></td>
                <td>420</td>
                <td>378</td>
                <td>1</td>
            </tr>
            <tr>
                <td><input type="checkbox" name="ckb_select" /></td>
                <td>560</td>
                <td>504</td>
                <td>1</td>
            </tr>
            <tr>
                <td><input type="checkbox" name="ckb_select" /></td>
                <td>280</td>
                <td>252</td>
                <td>1</td>
            </tr>
            <tr>
                <td><input type="checkbox" name="ckb_select" /></td>
                <td>540</td>
                <td>486</td>
                <td>1</td>
            </tr>
            <tr>
                <td><input type="checkbox" name="ckb_select" /></td>
                <td>33</td>
                <td>22</td>
                <td>1</td>
            </tr>
            <tr>
                <td><input type="checkbox" name="ckb_select" /></td>
                <td>567</td>
                <td>2356</td>
                <td>1</td>
            </tr>
            <tr>
                <td></td>
                <td></td>
                <td></td>
                <td></td>
            </tr>
        </table>
    </body>
    </html>
      

  2.   

    <!DOCTYPE html>
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title></title>
        <style type="text/css">
            table {
                font-size: 12px;
                border-collapse: collapse;
                border: 1px solid black;
            }            table tr {
                    height: 20px;
                    line-height: 20px;
                }                table tr td {
                        text-align: center;
                        width: 200px;
                    }
        </style>
        <script src="http://code.jquery.com/jquery-1.11.0-beta1.js"></script>
        <script type="text/javascript">
            $(function () {
                $("input[type=button]").click(function () {
                    //获取选中的数据组
                    var array = $("table input[type=checkbox]:checked").map(function () {
                        return { "cell2": $.trim($(this).closest("tr").find("td:eq(2)").text()), "cell4": $.trim($(this).closest("tr").find("td:eq(4)").text()) };
                    }).get();                $.each(array, function (i, d) {
                        alert(d.cell2 + "|" + d.cell4);
                    })
                })
            })
        </script>
    </head>
    <body>
        <table border="1">
            <tr>
                <td><input type='checkbox'>
                <td>
                <td>1
                <td>
                <td>2
                <td>
            </tr>
            <tr>
                <td><input type='checkbox'>
                <td>
                <td>3
                <td>
                <td>4
                <td>
            </tr>
            <tr>
                <td><input type='checkbox'>
                <td>
                <td>5
                <td>
                <td>6
                <td>
            </tr>
        </table>
        <input type=button value='选择'>
    </body>
    </html>这个可以