Java可以输入的下拉框

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <title> New Document </title>
  <meta name="Generator" content="EditPlus">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
 </head>

 <body>
 
<script language="javascript">


function aa() {


     i=document.frmtest.seltest.length;


}


function pp(){


document.frmtest.seltest.options[i]=new Option(ok=(document.frmtest.seltest.options[i])?document.frmtest.seltest.options[i].innerText+String.fromCharCode(event.keyCode):String.fromCharCode(event.keyCode),ok)


document.frmtest.seltest.selectedIndex=i;


}


function edit(){


if(document.frmtest.seltest.options[i]){


  if(event.keyCode==8){


   var str=document.frmtest.seltest.options[i].innerText;


   var len=str.length;


   document.frmtest.seltest.options[i].innerText=str.substring(0,len-1);


   if(document.frmtest.seltest.options[i].innerText=="")


    document.frmtest.seltest.remove(i);


   }


   if(event.keyCode==13)return false;


   if(event.keyCode==32){


   document.frmtest.seltest.options[i].innerText+=" ";


  }


}


}


</script>


<body onload=aa();>


得到的数据:<%=request.form("seltest")%>


<form name=frmtest action=test.asp method="POST">


<select onkeypress=pp() onkeyup="edit()" name="seltest">


<option>测试程序</option>


<option>nanaka</option>


<option>zergman</option>


</select>


<input type=submit>


</form>


</body>

</html>

posted @ 2013-04-25 10:52  刘竹青  阅读(414)  评论(0编辑  收藏  举报