<!DOCTYPE>
<html>
<head>
<meta charset=utf-8 />
<title>动态表格</title>
<!-- 增加表格头的样式 -->
<style type="text/css">
#list th{
background-color:#06F;
}
</style>
</head> <body>
<table border="1" align="center" width="500PX">
<thead>
<!-- 创建表格头 -->
<tr id="list">
<th>选中</th>
<th>编号</th>
<th>姓名</th>
<th>密码</th>
<th>年龄</th>
<th>地址</th>
<th>操作</th>
</tr>
<!-- 添加全部删除按钮, -->
<tr>
<td ><input type="checkbox" onclick="checkAll(this)" /></td>
<td colspan="6" ><a href="javascript:void(0)" rel="external nofollow" rel="external nofollow" onclick="delAll()">全部删除</a></td>
</tr>
</thead>
<tbody id="listbody"></tbody>
</table>
<!-- 用于画一个横线 -->
<hr/>
<!-- 创建form表单 -->
<form >
<table align="center" border="1" width="300px">
<tr>
<th >编号</th>
<td> <input type="text" id="id" /></td>
</tr>
<tr>
<th>姓名</th>
<td> <input type="text" id="name" /></td>
</th>
<tr>
<th>密码</th>
<td> <input type="text" id="pass" /></td>
</tr>
<tr>
<th>年龄</th>
<td> <input type="text" id="age" /></td>
</tr>
<tr>
<th>住址</th>
<td> <input type="text" id="address" /></td>
</tr>
<tr>
<td colspan="2" align="center">
<input type="reset" value="重置" align="center" />
<input type="button" value="添加" align="center" onclick="addlist()"/>
</td>
</tr> </table> </form> </body>
<script type="text/javascript">
function addlist(){
//获取用户输入
var id=document.getElementById("id").value;
var name = document.getElementById("name").value;
var pass = document.getElementById("pass").value;
var age = document.getElementById("age").value;
var address = document.getElementById("address").value;
//在上面的列表中添加一行,把内容放在该行1
/*
<tr>
<td><input type="checkbox" name="item"/></td>
<td>1</td>
<td>张三</td>
<td>123456</td>
<td>20</td>
<td>广州天河</td>
<td><a href="javascript:void(0)" rel="external nofollow" rel="external nofollow" onclick="delOne(this)">删除</a></td>
javascript:void(0): 相当于让href属性失效!!
</tr>
*/
//创建一个tr
var tr = document.createElement("tr");
//创建td
var td1 = document.createElement("td");
var input = document.createElement("input");
input.setAttribute("type","checkbox");
input.setAttribute("name","item");
td1.appendChild(input); var td2 = document.createElement("td");
td2.innerHTML = id; var td3 = document.createElement("td");
td3.innerHTML = name; var td4 = document.createElement("td");
td4.innerHTML = pass; var td5 = document.createElement("td");
td5.innerHTML = age; var td6 = document.createElement("td");
td6.innerHTML = address; var td7 = document.createElement("td");
var a = document.createElement("a"); a.setAttribute("href","javascript:void(0)");//相当于让href属性失效!
a.setAttribute("onclick","delone(this)")
a.innerHTML = "删除";
td7.appendChild(a);
//将创建的td添加到tr中
tr.appendChild(td1);
tr.appendChild(td2);
tr.appendChild(td3);
tr.appendChild(td4);
tr.appendChild(td5);
tr.appendChild(td6);
tr.appendChild(td7);
//使用appendChild(tr)方法,将tr添加到listbody中
//其中获取的listbody是要将表格添加的位置的id
var listbody = document.getElementById("listbody");
listbody.appendChild(tr); }
//删除单行
function delone(d){
var tr = d.parentNode.parentNode;
var listbody = document.getElementById("listbody");
listbody.removeChild(tr); }
//全选 function checkAll(c){
//得到全选按钮的状态
var status = c.checked;
//得到name=item的标签
var items = document.getElementsByName("item");
for(var i=0;i<items.length;i++){
//将全选按钮的状态给所有的items
items[i].checked=status; }
}
//删除选中部分,注意变量,每删除一个,要将变量减一,否则,将导致变量溢出,浏览器死机
function delAll(){ var list = document.getElementById("listbody");
//拿到所有的item
var items = document.getElementsByName("item");
for(var j=0;j<items.length;j++){ if(items[j].checked)//如果item被选中
{ var tr = items[j].parentNode.parentNode;
list.removeChild(tr);
j--;
}
}
} </script>
</html>