1.在aspx页面中,拖入两个DroDownList控件,代码如下:
<
div
>
<
asp:DropDownList
ID
=
"s1"
runat
=
"server"
></
asp:DropDownList
>
<
asp:DropDownList
ID
=
"s2"
runat
=
"server"
></
asp:DropDownList
>
<
script
language
=
"javascript"
type
=
"text/javascript"
src="er.js></
script
>
<
script
language
=
"javascript"
type
=
"text/javascript"
>setup()</
script
>
</
div
>
function
Dsy()
{
this
.Items = {};
}
Dsy.prototype.add =
function
(id,iArray)
{
this
.Items[id] = iArray;
}
Dsy.prototype.Exists =
function
(id)
{
if
(
typeof
(
this
.Items[id]) ==
"undefined"
)
return
false
;
return
true
;
}
function
change(v){
var
str=
"0"
;
for
(i=0;i<v;i++){ str+=(
"_"
+(document.getElementById(s[i]).selectedIndex-1));};
var
ss=document.getElementById(s[v]);
with
(ss){
length = 0;
options[0]=
new
Option(opt0[v],opt0[v]);
if
(v && document.getElementById(s[v-1]).selectedIndex>0 || !v)
{
if
(dsy.Exists(str)){
ar = dsy.Items[str];
for
(i=0;i<ar.length;i++)options[length]=
new
Option(ar[i],ar[i]);
if
(v)options[1].selected =
true
;
}
}
if
(++v<s.length){change(v);}
}
}
var
dsy =
new
Dsy();
dsy.add(
"0"
,[
"北京市"
,
"天津市"
,
"河北省"
,
"山西省"
,
"内蒙古自治区"
,
"辽宁省"
,
"吉林省"
,
"黑龙江省"
,
"上海市"
,
"江苏省"
,
"浙江省"
,
"安徽省"
,
"福建省"
,
"江西省"
,
"山东省"
,
"河南省"
,
"湖北省"
,
"湖南省"
,
"广东省"
,
"广西自治区"
,
"海南省"
,
"重庆市"
,
"四川省"
,
"贵州省"
,
"云南省"
,
"西藏自治区"
,
"陕西省"
,
"甘肃省"
,
"青海省"
,
"宁夏回族自治区"
,
"新疆维吾尔自治区"
,
"香港特别行政区"
,
"澳门特别行政区"
,
"台湾省"
,
"其它"
]);
dsy.add(
"0_0"
,[
"北京"
,
"东城区"
,
"西城区"
,
"崇文区"
,
"宣武区"
,
"朝阳区"
,
"丰台区"
,
"石景山区"
,
" 海淀区(中关村)"
,
"门头沟区"
,
"房山区"
,
"通州区"
,
"顺义区"
,
"昌平区"
,
"大兴区"
,
"怀柔区"
,
"平谷区"
,
"密云县"
,
"延庆县"
,
"其他"
]);
dsy.add(
"0_1"
,[
"和平区"
,
"河东区"
,
"河西区"
,
"河北区"
,
"南开区"
,
"红桥区"
,
"塘沽区"
,
"汉沽区"
,
"大港区"
,
"西青区"
,
"津南区"
,
"武清区"
,
"蓟县"
,
"宁河县"
,
"静海县"
,
"其他"
]);
dsy.add(
"0_2"
,[
"石家庄市"
,
"张家口市"
,
"承德市"
,
"秦皇岛市"
,
"唐山市"
,
"廊坊市"
,
"衡水市"
,
"沧州市"
,
"邢台市"
,
"邯郸市"
,
"保定市"
,
"其他"
]);
dsy.add(
"0_3"
,[
"太原市"
,
"朔州市"
,
"大同市"
,
"长治市"
,
"晋城市"
,
"忻州市"
,
"晋中市"
,
"临汾市"
,
"吕梁市"
,
"运城市"
,
"其他"
]);
dsy.add(
"0_4"
,[
"呼和浩特市"
,
"包头市"
,
"赤峰市"
,
"呼伦贝尔市"
,
"鄂尔多斯市"
,
"乌兰察布市"
,
"巴彦淖尔市"
,
"兴安盟"
,
"阿拉善盟"
,
"锡林郭勒盟"
,
"其他"
]);
dsy.add(
"0_5"
,[
"沈阳市"
,
"朝阳市"
,
"阜新市"
,
"铁岭市"
,
"抚顺市"
,
"丹东市"
,
"本溪市"
,
"辽阳市"
,
"鞍山市"
,
"大连市"
,
"营口市"
,
"盘锦市"
,
"锦州市"
,
"葫芦岛市"
,
"其他"
]);
dsy.add(
"0_6"
,[
"长春市"
,
"白城市"
,
"吉林市"
,
"四平市"
,
"辽源市"
,
"通化市"
,
"白山市"
,
"延边朝鲜族自治州"
,
"其他"
]);
dsy.add(
"0_7"
,[
"哈尔滨市"
,
"七台河市"
,
"黑河市"
,
"大庆市"
,
"齐齐哈尔市"
,
"伊春市"
,
"佳木斯市"
,
"双鸭山市"
,
"鸡西市"
,
"大兴安岭地区(加格达奇)"
,
"牡丹江"
,
"鹤岗市"
,
"绥化市 "
,
"其他"
]);
dsy.add(
"0_8"
,[
"黄浦区"
,
"卢湾区"
,
"徐汇区"
,
"长宁区"
,
"静安区"
,
"普陀区"
,
"闸北区"
,
"虹口区"
,
"杨浦区"
,
"闵行区"
,
"宝山区"
,
"嘉定区"
,
"浦东新区"
,
"金山区"
,
"松江区"
,
"青浦区"
,
"南汇区"
,
"奉贤区"
,
"崇明县"
,
"其他"
]);
dsy.add(
"0_9"
,[
"南京市"
,
"徐州市"
,
"连云港市"
,
"宿迁市"
,
"淮安市"
,
"盐城市"
,
"扬州市"
,
"泰州市"
,
"南通市"
,
"镇江市"
,
"常州市"
,
"无锡市"
,
"苏州市"
,
"其他"
]);
dsy.add(
"0_10"
,[
"杭州市"
,
"湖州市"
,
"嘉兴市"
,
"舟山市"
,
"宁波市"
,
"绍兴市"
,
"衢州市"
,
"金华市"
,
"台州市"
,
"温州市"
,
"丽水市"
,
"其他"
]);
dsy.add(
"0_11"
,[
"合肥市"
,
"宿州市"
,
"淮北市"
,
"亳州市"
,
"阜阳市"
,
"蚌埠市"
,
"淮南市"
,
"滁州市"
,
"马鞍山市"
,
"芜湖市"
,
"铜陵市"
,
"安庆市"
,
"黄山市"
,
"六安市"
,
"巢湖市"
,
"池州市"
,
"宣城市"
,
"其他"
]);
dsy.add(
"0_12"
,[
"福州市"
,
"南平市"
,
"莆田市"
,
"三明市"
,
"泉州市"
,
"厦门市"
,
"漳州市"
,
"龙岩市"
,
"宁德市"
,
"其他"
]);
dsy.add(
"0_13"
,[
"南昌市"
,
"九江市"
,
"景德镇市"
,
"鹰潭市"
,
"新余市"
,
"萍乡市"
,
"赣州市"
,
"上饶市"
,
"抚州市"
,
"宜春市"
,
"吉安市"
,
"其他"
]);
dsy.add(
"0_14"
,[
"济南市"
,
"聊城市"
,
"德州市"
,
"东营市"
,
"淄博市"
,
"潍坊市"
,
"烟台市"
,
"威海市"
,
"青岛市"
,
"日照市"
,
"临沂市"
,
"枣庄市"
,
"济宁市"
,
"泰安市"
,
"莱芜市"
,
"滨州市"
,
"菏泽市"
,
"其他"
]);
dsy.add(
"0_15"
,[
"郑州市"
,
"三门峡市"
,
"洛阳市"
,
"焦作市"
,
"新乡市"
,
"鹤壁市"
,
"安阳市"
,
"濮阳市"
,
"开封市"
,
"商丘市"
,
"许昌市"
,
"漯河市"
,
"平顶山市"
,
"南阳市"
,
"信阳市"
,
"周口市"
,
"驻马店市"
,
"其他"
]);
dsy.add(
"0_16"
,[
"武汉市"
,
"十堰市"
,
"襄樊市"
,
"荆门市"
,
"孝感市"
,
"黄冈市"
,
"鄂州市"
,
"黄石市"
,
"咸宁市"
,
"荆州市"
,
"宜昌市"
,
"随州市"
,
"恩施土家族苗族自治州"
,
"仙桃市"
,
"天门市"
,
"潜江市"
,
"神农架林区"
,
"其他"
]);
dsy.add(
"0_17"
,[
"长沙市"
,
"张家界市"
,
"常德市"
,
"益阳市"
,
"岳阳市"
,
"株洲市"
,
"湘潭市"
,
"衡阳市"
,
"郴州市"
,
"永州市"
,
"邵阳市"
,
"怀化市"
,
"娄底市"
,
"湘西土家族苗族自治州"
,
"其他"
]);
dsy.add(
"0_18"
,[
"广州市"
,
"清远市市"
,
"韶关市"
,
"河源市"
,
"梅州市"
,
"潮州市"
,
"汕头市"
,
"揭阳市"
,
"汕尾市"
,
"惠州市"
,
"东莞市"
,
"深圳市"
,
"珠海市"
,
"中山市"
,
"江门市"
,
"佛山市"
,
"肇庆市"
,
"云浮市"
,
"阳江市"
,
"茂名市"
,
"湛江市"
,
"其他"
]);
dsy.add(
"0_19"
,[
"南宁市"
,
"桂林市"
,
"柳州市"
,
"梧州市"
,
"贵港市"
,
"玉林市"
,
"钦州市"
,
"北海市"
,
"防城港市"
,
"崇左市"
,
"百色市"
,
"河池市"
,
"来宾市"
,
"贺州市"
,
"其他"
]);
dsy.add(
"0_20"
,[
"海口市"
,
"三亚市"
,
"其他"
]);
dsy.add(
"0_21"
,[
"渝中区"
,
"大渡口区"
,
"江北区"
,
"沙坪坝区"
,
"九龙坡区"
,
"南岸区"
,
"北碚区"
,
"万盛区"
,
"双桥区"
,
"渝北区"
,
"巴南区"
,
"万州区"
,
"涪陵区"
,
"黔江区"
,
"长寿区"
,
"合川市"
,
"永川市"
,
"江津市"
,
"南川市"
,
"綦江县"
,
"潼南县"
,
"铜梁县"
,
"大足县"
,
"璧山县"
,
"垫江县"
,
"武隆县"
,
"丰都县"
,
"城口县"
,
"开县"
,
"巫溪县"
,
"巫山县"
,
"奉节县"
,
"云阳县"
,
"忠县"
,
"石柱土家族自治县"
,
"彭水苗族土家族自治县"
,
"酉阳土家族苗族自治县"
,
"秀山土家族苗族自治县"
,
"其他"
]);
dsy.add(
"0_22"
,[
"成都市"
,
"广元市"
,
"绵阳市"
,
"德阳市"
,
"南充市"
,
"广安市"
,
"遂宁市"
,
"内江市"
,
"乐山市"
,
"自贡市"
,
"泸州市"
,
"宜宾市"
,
"攀枝花市"
,
"巴中市"
,
"资阳市"
,
"眉山市"
,
"雅安"
,
"阿坝藏族羌族自治州"
,
"甘孜藏族自治州"
,
"凉山彝族自治州县"
,
"其他"
]);
dsy.add(
"0_23"
,[
"贵阳市"
,
"六盘水市"
,
"遵义市"
,
"安顺市"
,
"毕节地区"
,
"铜仁地区"
,
"黔东南苗族侗族自治州"
,
"黔南布依族苗族自治州"
,
"黔西南布依族苗族自治州"
,
"其他"
]);
dsy.add(
"0_24"
,[
"昆明市"
,
"曲靖市"
,
"玉溪市"
,
"保山市"
,
"昭通市"
,
"丽江市"
,
"普洱市"
,
"临沧市"
,
"宁德市"
,
"德宏傣族景颇族自治州"
,
"怒江傈僳族自治州"
,
"楚雄彝族自治州"
,
"红河哈尼族彝族自治州"
,
"文山壮族苗族自治州"
,
"大理白族自治州"
,
"迪庆藏族自治州"
,
"西双版纳傣族自治州"
,
"其他"
]);
dsy.add(
"0_25"
,[
"拉萨市"
,
"那曲地区"
,
"昌都地区"
,
"林芝地区"
,
"山南地区"
,
"日喀则地区"
,
"阿里地区"
,
"其他"
]);
dsy.add(
"0_26"
,[
"西安市"
,
"延安市"
,
"铜川市"
,
"渭南市"
,
"咸阳市"
,
"宝鸡市"
,
"汉中市"
,
"安康市"
,
"商洛市"
,
"其他"
]);
dsy.add(
"0_27"
,[
"兰州市 "
,
"嘉峪关市"
,
"金昌市"
,
"白银市"
,
"天水市"
,
"武威市"
,
"酒泉市"
,
"张掖市"
,
"庆阳市"
,
"平凉市"
,
"定西市"
,
"陇南市"
,
"临夏回族自治州"
,
"甘南藏族自治州"
,
"其他"
]);
dsy.add(
"0_28"
,[
"西宁市"
,
"海东地区"
,
"海北藏族自治州"
,
"黄南藏族自治州"
,
"玉树藏族自治州"
,
"海南藏族自治州"
,
"果洛藏族自治州"
,
"海西蒙古族藏族自治州"
,
"其他"
]);
dsy.add(
"0_29"
,[
"银川市"
,
"石嘴山市"
,
"吴忠市"
,
"固原市"
,
"中卫市"
,
"其他"
]);
dsy.add(
"0_30"
,[
"乌鲁木齐市"
,
"克拉玛依市"
,
"喀什地区"
,
"阿克苏地区"
,
"和田地区"
,
"吐鲁番地区"
,
"哈密地区"
,
"塔城地区"
,
"阿勒泰地区"
,
"克孜勒苏柯尔克孜自治州"
,
"博尔塔拉蒙古自治州"
,
"昌吉回族自治州 伊犁哈萨克自治州"
,
"巴音郭楞蒙古自治州"
,
"河子市"
,
"阿拉尔市"
,
"五家渠市"
,
"图木舒克市"
,
"其他"
]);
dsy.add(
"0_31"
,[
"香港"
,
"其他"
]);
dsy.add(
"0_31"
,[
"澳门"
,
"其他"
])
dsy.add(
"0_32"
,[
"台湾"
,
"其他"
])
var
s=[
"s1"
,
"s2"
];
var
opt0 = [
"请选择"
,
"请选择"
];
function
setup()
{
for
(i=0;i<s.length-1;i++)
document.getElementById(s[i]).onchange=
new
Function(
"change("
+(i+1)+
")"
);
change(0);
}