如何获取table中checkbox 选中行中列的数据？

粮多多 2014-04-10 04:48:47

<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'>
如何获取到当前选中的checkbox的行号？然后选到值啊

alert(rows[1].cells[2].innerHTML); 这样获取到第一行第二列的值。但是我不会获取当前选中的行数，然后按button获取到值
应该是1,2 或是3,4

根据选中的checkbox 获取当当前行的各列数据。列是固定的。行不确定

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snjcaorui 2014-04-10

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<!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

snjcaorui 2014-04-10

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引用 3 楼 snjcaorui 的回复:

<!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>

发错地方了

snjcaorui 2014-04-10

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<!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>

嘻哈大咖秀 2014-04-10

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<!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>