源码如下：
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<a onclick="delInfo()">批量刪除</a>
<table t>
<tr>
<th><input type="checkbox" onclick="onchoose()"/>全选/全不选</th>
<td>测试列</td>
</tr>
<tr>
<td>
<input type="checkbox" class="choose" value="1"/>
</td>
<td>有数据</td>
</tr>
<tr>
<td>
<input type="checkbox" class="choose" value="2"/>
</td>
<td>有数据</td>
</tr>
<tr>
<td>
<input type="checkbox" class="choose" value="3"/>
</td>
<td>有数据</td>
</tr>
<tr>
<td>
<input type="checkbox" class="choose" value="4"/>
</td>
<td>有数据</td>
</tr>
</table>
<script>
var a=0;
function onchoose(o){
a=a==0?1:0;
var arr=document.getElementsByClassName("choose");
for (var i = 0; i < arr.length;i++) {
arr[i].checked=a==0?false:true;
}
}
function delInfo(){
var ids="";
var arr=document.getElementsByClassName("choose");
for (var i = 0; i < arr.length;i++) {
if(arr[i].checked==true){
ids+=arr[i].value+","
}
}
console.log(ids)
}
</script>
</body>
</html>
