<script language="javascript">
function setid(){
var str="";
var addnum=parseInt(document.form1.num.value);
for(var i=0;i<addnum;i++)
str+=' 选项'+i+': <input name="item'+i+'" type="text" id="item'+i+'" size="50" maxlength="50"><br>';
window.vt_item.innerHTML=str;
}
</script>
<form name="form1">
<select name="num" id="num" onchange="setid()">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
</select>
项
<div id="vt_item">
</div>
</form>
function setid(){
var str="";
var addnum=parseInt(document.form1.num.value);
for(var i=0;i<addnum;i++)
str+=' 选项'+i+': <input name="item'+i+'" type="text" id="item'+i+'" size="50" maxlength="50"><br>';
window.vt_item.innerHTML=str;
}
</script>
<form name="form1">
<select name="num" id="num" onchange="setid()">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
</select>
项
<div id="vt_item">
</div>
</form>
解决方案 »
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