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Select下拉列表框进行多选、移除、交换内容

2013年04月01日 JavaScript 暂无评论 阅读 3,848 次

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Select下拉列表框进行多选、移除、交换内容</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body style="font-size:12px">
<form name="form1" method="post" action="">
<table width="380" border="0" align="center" cellpadding="0" cellspacing="0">
  <tr>
    <td width="150"><table width="150" border="0" cellpadding="1" cellspacing="1" bgcolor="#CAFAFC">
      <tr>
        <td height="25" background="http://lxy.me/wp-content/uploads/2012/05/79760-772704496-8.gif" bgcolor="#FFFFFF">   请选择:</td>
      </tr>
      <tr>
        <td align="center" bgcolor="#FFFFFF"><select name="sel_place1" size="6" multiple id="sel_place1" style="width:100px " >
          <option value="sel1">江苏省</option>
          <option value="sel2">广东省</option>
          <option value="sel3">河南省</option>
          <option value="sel4">吉林省</option>
          <option value="sel5">浙江省</option>
        </select></td>
      </tr>
    </table></td>
    <td width="80" align="center" valign="bottom"><input name="sure1" type="button" id="sure1"
  onClick="allsel(document.form1.sel_place2,document.form1.sel_place1);" value="<<">
  &nbsp;
  <input name="sure2" type="button" id="sure2"
  onClick="allsel(document.form1.sel_place1,document.form1.sel_place2);" value=">>" align="center" height="2"></td>
    <td width="150"><table width="150" border="0" cellpadding="1" cellspacing="1" bgcolor="#CAFAFC">
      <tr>
        <td height="25" background="http://lxy.me/wp-content/uploads/2012/05/79760-772704496-8.gif" bgcolor="#FFFFFF">   请选择:</td>
      </tr>
      <tr>
        <td align="center" bgcolor="#FFFFFF"><select name="sel_place2" size="6" multiple id="sel_place2" style="width:100px ">
            </select></td>
      </tr>
    </table></td>
  </tr>
</table>
</form>
<script language="javascript">
function allsel(n1,n2)
{
  while(n1.selectedIndex!=-1)
  {
  	var indx=n1.selectedIndex;
  	var t=n1.options[indx].text;
  	n2.options.add(new Option(t));
  	n1.remove(indx);
  }
}
</script>
</body>
</html>

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