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javascript select控件间内容互相移动

  作者：bea

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Insert title here</title> </head> <b


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<script language="javascript">
function add(){
var opt=selectfrom.options;
len=opt.length;
for(i=len-1;i>-1;i--){
if(opt[i].selected){
select2.appendChild(opt[i]);
}
}
}

function addAll(){
var opt=selectfrom.options;
len=opt.length;
for(i=len-1;i>-1;i--){
select2.appendChild(opt[i]);
}
}

function del(){
var opt=select2.options;
len=opt.length;
for(i=len-1;i>-1;i--){
if(opt[i].selected){
selectfrom.appendChild(opt[i]);
}
}
}

function delAll(){
var opt=select2.options;
len=opt.length;
for(i=len-1;i>-1;i--){
selectfrom.appendChild(opt[i]);
}
}
</script>
<body>
<table width="27%" height="194" border="0" cellpadding="1" cellspacing="0">
<tr>
<td width="21%"><select id="selectfrom" size="15" multiple="multiple" style="width:100px">
<option>a</option>
<option>b</option>
<option>c</option>
<option>d</option>
<option>e</option>
<option>f</option>
<option>g</option>
<option>h</option>
<option>i</option>
<option>j</option>
<option>k</option>
<option>j</option>
<option>m</option>
<option>n</option>
</select></td>
<td width="57%"><p align="center">
<input name="addAll" type="button" id="addAll" value=" >> " style="width:40px" onclick="addAll()"/>
</p>
<p align="center">
<input name="add" type="button" id="add" style="width:40px" value=" > " onclick="add()"/>
</p>
<p align="center">
<input name="del" type="button" id="del" value=" < " style="width:40px" onclick="del()"/>
</p>
<p align="center">
<input name="delAll" type="button" id="delAll" value=" << " style="width:40px" onclick="delAll()"/>
</p></td>
<td width="22%"><select id="select2" size="15" multiple="multiple" style="width:100px">
</select></td>
</tr>
</table>

</body>
</html>




[Ctrl+A 全选 注:
如需引入外部Js需刷新才能执行]



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