UC知道asp下拉列表 点第一个下拉列表出现第二个下拉列表
来源：百度知道 编辑：UC知道 时间：2024/05/20 21:22:19
<tr>
<td height="30"><div align="right">企业分类:</div></td>
<td>
<select name="select1">
<option value="travel">旅行社</option>
<option value="hotel">星级酒店</option>
<option value="view">景区景点</option>
<option value="guider">导游员</option>
</select> </td>
</tr>
<tr>
<td height="30"><div align="right">查询条件:</div></td>
<td><select name="select2">
<option
<td height="30"><div align="right">企业分类:</div></td>
<td>
<select name="select1">
<option value="travel">旅行社</option>
<option value="hotel">星级酒店</option>
<option value="view">景区景点</option>
<option value="guider">导游员</option>
</select> </td>
</tr>
<tr>
<td height="30"><div align="right">查询条件:</div></td>
<td><select name="select2">
<option
用这个试试：
<SCRIPT language = "JavaScript">
subcat = new Array();
subcat[0]=new Array("良好","good")
subcat[1]=new Array("违规","bad")
subcat[2]=new Array("质量信誉等级","dengji")
subcat[3]=new Array("上缴税金情况","shuijin")
function changelocation(locationid) {
document.myform.select2.length = 1;
var locationid=locationid;
var i;
if (locationid == ""){
document.myform.select2.options[0] = new Option("==请选企业分类==", "");
}
else{
for (i=0;i < 2; i++) {
document.myform.select2.options[document.myform.select2.length] = new Option(subcat[i][0], subcat[i][2]);
}
for (i=2;i < 4; i++) {
if (locationid == "travel")
{
document.myform.select2.options[document.myform.select2.length] = new Option(subcat[i][0], subcat[i][1]);
}
}