jQuery操作checkbox选择

来源：互联网发布：海量数据为什么大跌编辑：程序博客网时间：2024/06/05 17:05

jQuery操作checkbox选择

    <div class="postBody">        <div id="cnblogs_post_body"><p>1、checkbox list选择</p>

效果图：

代码：

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<!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 runat="server">
    <title></title>
    <script src="Scripts/jquery-1.7.min.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(function () {</code></div><div class="line number8 index7 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">// 全选</code></div><div class="line number9 index8 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">$("#btnCheckAll").bind("click", function () {</code></div><div class="line number10 index9 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">$("[name = chkItem]:checkbox").attr("checked", true);</code></div><div class="line number11 index10 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">});</code></div><div class="line number12 index11 alt1">&nbsp;</div><div class="line number13 index12 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">// 全不选</code></div><div class="line number14 index13 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">$("#btnCheckNone").bind("click", function () {</code></div><div class="line number15 index14 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">$("[name = chkItem]:checkbox").attr("checked", false);</code></div><div class="line number16 index15 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">});</code></div><div class="line number17 index16 alt2">&nbsp;</div><div class="line number18 index17 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">// 反选</code></div><div class="line number19 index18 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">$("#btnCheckReverse").bind("click", function () {</code></div><div class="line number20 index19 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">$("[name = chkItem]:checkbox").each(function () {</code></div><div class="line number21 index20 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">$(this).attr("checked", !$(this).attr("checked"));</code></div><div class="line number22 index21 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">});</code></div><div class="line number23 index22 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">});</code></div><div class="line number24 index23 alt1">&nbsp;</div><div class="line number25 index24 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">// 全不选</code></div><div class="line number26 index25 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">$("#btnSubmit").bind("click", function () {</code></div><div class="line number27 index26 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">var result = new Array();</code></div><div class="line number28 index27 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">$("[name = chkItem]:checkbox").each(function () {</code></div><div class="line number29 index28 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">if ($(this).is(":checked")) {</code></div><div class="line number30 index29 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">result.push($(this).attr("value"));
                    }
                });
 
                alert(result.join(","));
            });
        });
    </script>
</head>
<body>
    <div>
        <input name="chkItem" type="checkbox" value="今日话题" />今日话题
        <input name="chkItem" type="checkbox" value="视觉焦点" />视觉焦点
        <input name="chkItem" type="checkbox" value="财经" />财经
        <input name="chkItem" type="checkbox" value="汽车" />汽车
        <input name="chkItem" type="checkbox" value="科技" />科技
        <input name="chkItem" type="checkbox" value="房产" />房产
        <input name="chkItem" type="checkbox" value="旅游" />旅游
    </div>
    <div>
        <input id="btnCheckAll" type="button" value="全选" />
        <input id="btnCheckNone" type="button" value="全不选" />
        <input id="btnCheckReverse" type="button" value="反选" />
        <input id="btnSubmit" type="button" value="提交" />
    </div>
</body>
</html>

2、checkbox table选中

效果图：

代码：

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<!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 runat="server">
    <title></title>
    <style type="text/css">
        table
        {
            border-collapse: collapse;
        }
        td
        {
            border: 1px solid #ccc;
        }
    </style>
    <script src="Scripts/jquery-1.7.min.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(function () {</code></div><div class="line number18 index17 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">// chkAll全选事件</code></div><div class="line number19 index18 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">$("#chkAll").bind("click", function () {</code></div><div class="line number20 index19 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">$("[name = chkItem]:checkbox").attr("checked", this.checked);</code></div><div class="line number21 index20 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">});</code></div><div class="line number22 index21 alt1">&nbsp;</div><div class="line number23 index22 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">// chkItem事件</code></div><div class="line number24 index23 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">$("[name = chkItem]:checkbox").bind("click", function () {</code></div><div class="line number25 index24 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">var $chk = $("[name = chkItem]:checkbox");</code></div><div class="line number26 index25 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">$("#chkAll").attr("checked", $chk.length == $chk.filter(":checked").length);
            })
        });
    </script>
</head>
<body>
    <table id="tb">
        <thead>
            <tr>
                <td>
                    <input id="chkAll" type="checkbox" />
                </td>
                <td>
                    分类名称
                </td>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td>
                    <input name="chkItem" type="checkbox" value="今日话题" />
                </td>
                <td>
                    今日话题
                </td>
            </tr>
            <tr>
                <td>
                    <input name="chkItem" type="checkbox" value="视觉焦点" />
                </td>
                <td>
                    视觉焦点
                </td>
            </tr>
            <tr>
                <td>
                    <input name="chkItem" type="checkbox" value="财经" />
                </td>
                <td>
                    财经
                </td>
            </tr>
            <tr>
                <td>
                    <input name="chkItem" type="checkbox" value="汽车" />
                </td>
                <td>
                    汽车
                </td>
            </tr>
            <tr>
                <td>
                    <input name="chkItem" type="checkbox" value="科技" />
                </td>
                <td>
                    科技
                </td>
            </tr>
            <tr>
                <td>
                    <input name="chkItem" type="checkbox" value="房产" />
                </td>
                <td>
                    房产
                </td>
            </tr>
            <tr>
                <td>
                    <input name="chkItem" type="checkbox" value="旅游" />
                </td>
                <td>
                    旅游
                </td>
            </tr>
        </tbody>
    </table>
</body>
</html>

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