界面

运行结果

表头部分
<link rel="shortcut icon" href="favicon.ico"> <link href="../css/bootstrap.min14ed.css?v=3.3.6" rel="stylesheet">
<link href="../css/font-awesome.min93e3.css?v=4.4.0" rel="stylesheet">
<link href="../css/plugins/iCheck/custom.css" rel="stylesheet">
<link href="../css/animate.min.css" rel="stylesheet">
<link href="../css/style.min862f.css?v=4.1.0" rel="stylesheet">
主体部分
HTML
<div class="ibox-content col-sm-3">
<div class="form-group">
<div class="col-sm-7">
<select class="form-control" id="sel">
<option>灯泡</option>
<option>锁</option>
<option>拖把</option>
<option>螺丝</option>
<option>电线</option>
</select>
</div> <label class="col-sm-4 control-label"> <button class="btn btn-primary" id="add_row">添加行</button></label>
</div>
<table class="table">
<tbody id="test">
</tbody>
</table>
</div>
<table style="display: none;">
<tbody id="modo">
<tr>
</tr>
</tbody>
</table>
JQ代码
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script>
//var a = $("#test").children().length;
//alert(a)
$("#add_row").click(add_row)
function add_row() { //添加行方法
var mode_tr = $("#modo tr:first").clone();
var selStr=$("#sel").val();
var td1= $("<td>"+selStr+"</td>").addClass("td_up");
var td2 = $("<td><input type='text'/></td>").addClass("td_up");
var td3=$("<td><i class='fa fa-times text-navy' id='dele_row' onclick='dele_row(this)'></i></td>");
$("#test").append(mode_tr);
$(mode_tr).append(td1);
$(mode_tr).append(td2);
$(mode_tr).append(td3);
}
function dele_row(obj) {
$(obj).parent().parent().remove();
}
</script>