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js实现select表单动态添加,删除操作代码
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>Power by 31u.net</title>
<script language="javascript">
<!--
function Add(ObjSource,ObjTarget){
for(var i=0;i<ObjSource.length;i++){
if(ObjSource.options.selected){
var opt=document.createElement("OPTION");
ObjTarget.add(opt);
opt.value=ObjSource.options.value;
opt.text=ObjSource.options.text;
ObjSource.options.removeChild(ObjSource.options[i--]);
opt.selected=true;
} } }
function AddAll(ObjSource,ObjTarget){
SelectAll(ObjSource);
Add(ObjSource,ObjTarget);
}
function SelectAll(ObjSource){
for(var i=0;i<ObjSource.length;i++){
ObjSource.options.selected=true;
} }
function doSubmit(){
SelectAll(frmDisplay.dltTarget);
//frmDisplay.action="";//设置form 提交的action
alert(frmDisplay.action);
//frmDisplay.submit();//取消注释即可,提交上去的options
}
//->
</script>
</head>
<body>
<table width="350" border="1" style="border-collapse:collapse " bordercolor="#111111" cellpadding="0" cellspacing="0">
<tr>
<td width="150">
<select name="dltSource" size="10" multiple style="width:100% ">
<option value="0">辽宁</option>
<option value="0">黑龙江</option>
<option value="0">吉林</option>
<option value="0">河北</option>
<option value="0">河南</option>
<option value="0">江苏</option>
<option value="0">浙江</option>
<option value="0">海南</option>
<option value="0">福建</option>
<option value="0">山东</option>
<option value="0">青海</option>
<option value="0">宁夏</option>
<option value="0">内蒙古</option>
<option value="0">新疆</option>
<option value="0">陕西</option>
</select>
</td>
<td width="50" valign="middle">
<p style="width:100%" align="center"><input type="button" value="->" onClick="Add(document.all.dltSource,frmDisplay.dltTarget)" title="添加"></p>
<p style="width:100%" align="center"><input type="button" value="=>" onClick="AddAll(document.all.dltSource,frmDisplay.dltTarget)" title="添加全部"></p>
<p style="width:100%" align="center"><input type="button" value="<-" onClick="Add(frmDisplay.dltTarget,document.all.dltSource)" title="删除"></p>
<p style="width:100%" align="center"><input type="button" value="<=" onClick="AddAll(frmDisplay.dltTarget,document.all.dltSource)" title="删除全部"></p>
</td>
<td width="150">
<form id="frmDisplay" action="xxx.jsp" method="post" style="margin:0 ">
<select name="dltTarget" size="10" multiple style="width:100% "></select>
</form>
</td>
</tr>
<tr>
<td align="center">从此长大</td>
<td align="center"><a href=http://www.31u.net>31u.net</a></td>
<td align="center">
<input type="reset" onClick="javascript:window.location.reload();" value="重置">
<input type="button" value="提交" onClick="doSubmit()">
</td>
</tr>
</table>
</body>
</html>
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