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JavaScript应用:分享动态生成表格的小功能

作者:demo2022.06.02来源:Web前端之家浏览:4122评论:0
关键词:js

JavaScript应用:分享动态生成表格的小功能。

实现思路

先创建一个表格和一个表单,将表单中输入的内容动态添加进表格中,表单页面右上角有一个关闭按钮,当点击时,可以将表单页面关闭并将表格页面显示。为了页面美观,我将添加数据的按钮放在了表格的<tfoot></tfoot>中,将动态生成的表格数据添加到<tbody><tbody>中,当点击添加按钮时,隐藏表格,并显示表单,在表单中填写要添加的信息,然后获取输入的信息,通过jquery生成表格的一行元素,并将获得的值添加进去,最后将这一行添加到<tbody><tbody>的最后一行,当点击表单页面的添加按钮时,让表单隐藏,并显示修改后的变革,因为还要实现动态删除功能,所以需要给表格中的每一行元素添加一个删除属性(超链接),当我们点击删除时,获取到其对应的行,进行删除操作。

代码

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title></title>
    <style>
        * {
            padding: 0;
            margin: 0;
        }
        table {
            width: 410px;
            margin: 100px auto 0;
            text-align: center;
            border-collapse: collapse;
            border-spacing: 0;
            border: 1px solid #ccc;
        }
        th,
        td {
            width:150px;
            height: 40px;
            border: 1px solid #ccc;
            padding: 10px;
        }

        a{
            text-decoration: none;
        }
        .btnAdd {
            width: 110px;
            height: 30px;
            font-size: 20px;
        }
        .item {
            position: relative;
            padding-left: 100px;
            padding-right: 20px;
            margin-bottom: 34px;
        }

        .lb {
            position: absolute;
            left: 0;
            top: 0;
            display: block;
            width: 100px;
            text-align: right;
        }

       .txt {
            width: 300px;
            height: 32px;
        }
        .form-add {
            position: absolute;
            top: 100px;
            left: 578px;
            border: 1px solid #ccc;
            margin-left: -197px;
            padding-bottom: 20px;
            display: none;
        }
        .title {
            background-color: #f7f7f7;
            border-width: 1px 1px 0 1px;
            border-bottom: 0;
            margin-bottom: 15px;
            position: relative;
        }

        span {
            width: auto;
            height: 18px;
            font-size: 16px;
            color: rgb(102, 102, 102);
            text-indent: 12px;
            padding: 8px 0px 10px;
            margin-right: 10px;
            display: block;
            overflow: hidden;
            text-align: left;
        }

        .title div {
            width: 16px;
            height: 20px;
            position: absolute;
            right: 10px;
            top: 6px;
            font-size: 30px;
            line-height: 16px;
            cursor: pointer;
        }

        .submit {
            text-align: center;
        }

        .submit input {
            width: 170px;
            height: 32px;
        }
    </style>

</head>
<body>
    <!--按钮和表单-->
        <table>
            <thead>
            <tr>
                <th>班级</th>
                <th>姓名</th>
                <th>学号</th>
                <th>操作</th>
            </tr>
            </thead>
            <tbody id="j_tb">
            <tr>
                <td>1班</td>
                <td>小王</td>
                <td>001</td>
                <td><a href="javascrip:;" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >删除</a></td>
            </tr>
            <tr>
                <td>2班</td>
                <td>小熊</td>
                <td>002</td>
                <td><a href="javascrip:;" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >删除</a></td>
            </tr>
            </tbody>
            <tfoot>
                <tr>
                    <td id="j_btnAddData" colspan="4">添加数据</td>
                </tr>
            </tfoot>
        </table>
    <!--添加数据的表单-->
    <div id="j_formAdd">
        <div>
            <span>添加数据</span>
            <div id="j_hideFormAdd">×</div>
        </div>
        <div>
            <label for="">班级:</label>
            <input type="text" id="classes" placeholder="请输入班级">
        </div>
        <div>
            <label for="">姓名:</label>
            <input type="text" id="uname" placeholder="请输入姓名">
        </div>
        <div>
            <label for="">学号:</label>
            <input type="text" id="order" placeholder="请输入学号">
        </div>
        <div>
            <input type="button" value="添加" id="j_btnAdd">
        </div>
    </div>
</body>
</html>

<script
  src="https://code.jquery.com/jquery-3.6.0.min.js"  integrity="sha256-/xUj+3OJU5yExlq6GSYGSHk7tPXikynS7ogEvDej/m4="  crossorigin="anonymous"></script>
<script>
    $(function () {
        $('#j_btnAddData').click(function () {
            $('#j_formAdd').show();
            $('table').hide()
        });
        $('#j_hideFormAdd').click(function () {
            $('#j_formAdd').hide();
            $('table').show()
        });
        $('#j_btnAdd').click(function () {
            $('table').show()
            $('#j_formAdd').hide();
            var classes = $('#classes').val(); 
            var uname = $('#uname').val(); 
            var order = $('#order').val(); 
    
            var New =$( '<tr>' +
                            '<td>'+classes+'</td>'+
                            '<td>'+uname+'</td>' +
                            '<td>'+order+'</td>' +
                            '<td><a href="javascrip:;" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >删除</a></td>' +
                         '</tr>' );

            $('#j_tb').append(New);
        });
        $('#j_tb').on('click','.get', function () {
            $(this).parent().parent().remove();
        });
    });
</script>

大家运行看下效果吧。

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