三级级联,如何分别设置初始选中三项
lycey 2005-08-04 05:16:08 如何设置初始选中
<script language="javascript">
var g_selProvince;
var g_selCity;
var g_selCounty;
var Provinces=new Array(
new Array("30","1"),
new Array("31","2"),
new Array("32","3"),
new Array("33","4")
);
var Citys=new Array(
new Array("31","1","q"),
new Array("32","3","w"),
new Array("32","6","e"),
new Array("33","12","r"),
new Array("33","17","t")
);
var Countys=new Array(
new Array("1","7","9"),
new Array("1","8","8"),
new Array("1","9","7"),
new Array("1","11","6"),
new Array("12","13","5"),
new Array("12","14","4"),
new Array("12","15","3"),
new Array("12","16","2"),
new Array("17","18","1"),
new Array("17","19","0"),
new Array("17","20","00"),
new Array("17","21","000"),
new Array("17","22","0000"),
new Array("17","23","0000"),
new Array("12","25","00000"),
new Array("12","26","00"),
new Array("12","27","00"),
new Array("12","28","00"),
new Array("1","29","00"),
new Array("6","34","00")
);
function FillProvinces(selProvince)
{
selProvince.options[0]=new Option("请选择","0");
for(i=0;i<Provinces.length;i++)
{
selProvince.options[i+1]=new Option(Provinces[i][1],Provinces[i][0]);
}
selProvince.options[0].selected=true;
selProvince.length=i+1;
}
function FillCitys(selCity,ProvinceCode)
{
selCity.options[0]=new Option("请选择","0");
count=1;
for(i=0;i<Citys.length;i++)
{
if(Citys[i][0].toString()==ProvinceCode)
{
selCity.options[count]=new Option(Citys[i][2],Citys[i][1]);
count=count+1;
}
}
selCity.options[0].selected=true;
selCity.length=count;
}
function FillCountys(selCounty,CityCode)
{
selCounty.options[0]=new Option("请选择","0");
count=1;
for(i=0;i<Countys.length;i++)
{
if(Countys[i][0].toString()==CityCode)
{
selCounty.options[count]=new Option(Countys[i][2],Countys[i][1]);
count=count+1;
}
}
selCounty.options[0].selected=true;
selCounty.length=count;
}
function City_onchange()
{
FillCountys(g_selCounty,g_selCity.value);
}
function Province_onchange()
{
FillCitys(g_selCity,g_selProvince.value);
City_onchange();
}
function InitCitySelect(selProvince,selCity,selCounty)
{
g_selProvince=selProvince;
g_selCity=selCity;
g_selCounty=selCounty;
selProvince.onchange=Function("Province_onchange();");
selCity.onchange=Function("City_onchange();");
FillProvinces(selProvince);
Province_onchange();
}
</script>
<form name="myform" id="myform">
<select name="ChannelId1" id="ChannelId1" onchange="area();"></select><select name="ChannelId2" id="ChannelId2"></select><select name="ChannelId3" id="ChannelId3"></select><script language="javascript">InitCitySelect(document.myform.ChannelId1,document.myform.ChannelId2,document.myform.ChannelId3);</script>
</form>
第一级选中我加了句话
function FillProvinces(selProvince)
{
selProvince.options[0]=new Option("请选择","0");
for(i=0;i<Provinces.length;i++)
{
selProvince.options[i+1]=new Option(Provinces[i][1],Provinces[i][0]);
if( Provinces[i][0] == <%Response.Write ChannelId1%> )
selProvince.options[i+1].selected=true;
}
selProvince.length=i+1;
}
可以实现,但是后两级无效