html文件：
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
* {
padding: 0;
margin: 0;
}
.wrap {
410px;
margin: 100px auto 0;
}
table {
border-collapse: collapse;
border-spacing: 0;
border: 1px solid #c0c0c0;
}
th,
td {
border: 1px solid #d0d0d0;
color: #404060;
padding: 10px;
}
th {
background-color: #09c;
font: bold 16px "΢ÈíÑźÚ";
color: #fff;
}
td {
font: 14px "΢ÈíÑźÚ";
}
td a.get {
text-decoration: none;
}
a.del:hover {
text-decoration: underline;
}
tbody tr {
background-color: #f0f0f0;
}
tbody tr:hover {
cursor: pointer;
background-color: #fafafa;
}
.btnAdd {
110px;
height: 30px;
font-size: 20px;
font-weight: bold;
}
.form-item {
height: 100%;
position: relative;
padding-left: 100px;
padding-right: 20px;
margin-bottom: 34px;
line-height: 36px;
}
.form-item > .lb {
position: absolute;
left: 0;
top: 0;
display: block;
100px;
text-align: right;
}
.form-item > .txt {
300px;
height: 32px;
}
.mask {
position: absolute;
top: 0px;
left: 0px;
100%;
height: 100%;
background: #000;
opacity: 0.15;
display: none;
}
.form-add {
position: fixed;
top: 30%;
left: 50%;
margin-left: -197px;
padding-bottom: 20px;
background: #fff;
display: none;
}
.form-add-title {
background-color: #f7f7f7;
border- 1px 1px 0 1px;
border-bottom: 0;
margin-bottom: 15px;
position: relative;
}
.form-add-title span {
auto;
height: 18px;
font-size: 16px;
font-family: ËÎÌå;
font-weight: bold;
color: rgb(102, 102, 102);
text-indent: 12px;
padding: 8px 0px 10px;
margin-right: 10px;
display: block;
overflow: hidden;
text-align: left;
}
.form-add-title div {
16px;
height: 20px;
position: absolute;
right: 10px;
top: 6px;
font-size: 30px;
line-height: 16px;
cursor: pointer;
}
.form-submit {
text-align: center;
}
.form-submit input {
170px;
height: 32px;
}
</style>
</head>
<body>
<div class="wrap">
<input type="button" value="清空内容" id="btn">
<input type="button" value="添加" id="btnAdd">
<table>
<thead>
<tr>
<th>课程名称</th>
<th>所属学院</th>
<th>操作</th>
</tr>
</thead>
<tbody id="j_tb">
<tr>
<!-- <td><input type="checkbox"/></td> -->
<td>JavaScript</td>
<td>前端与移动开发学院</td>
<td><a href="javascrip:;" class="get">DELETE</a></td>
</tr>
<tr>
<!-- <td><input type="checkbox"/></td> -->
<td>css</td>
<td>前端与移动开发学院</td>
<td><a href="javascrip:;" class="get">DELETE</a></td>
</tr>
<tr>
<!-- <td><input type="checkbox"/></td> -->
<td>html</td>
<td>前端与移动开发学院</td>
<td><a href="javascrip:;" class="get">DELETE</a></td>
</tr>
<tr>
<td>jQuery</td>
<td>前端与移动开发学院</td>
<td><a href="javascrip:;" class="get">DELETE</a></td>
</tr>
</tbody>
</table>
</div>
<script src="jquery-1.12.4.js"></script>
<script>
//清空内容
$("#btn").click(function(){
$("#j_tb").empty();
})
//删除内容
$("#j_tb").on("click", ".get",function(){
$(this).parent().parent().remove();
})
//添加内容
$("#btnAdd").click(function(){
$('<tr><td>jQuery</td><td>前端与移动开发学院</td><td><a href="javascrip:;" class="get">DELETE</a></td></tr>').appendTo('#j_tb');
})
</script>
</body>
</html>
