本文實例講述了javascript實現的全國省市縣無刷新多級關聯菜單效果代碼。分享給大家供大家參考，具體如下：
運行效果截圖如下：
具體代碼如下：
<html><head><title>全國省市縣無刷新多級關聯菜單</title><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><style>body,select{ font-size:9pt; font-family:Verdana;}a{ color:red; text-decoration:none;}a:hover{ text-decoration:underline;}</style><SCRIPT LANGUAGE="JavaScript"><!--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 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,["六盤水市","六枝特區","盤縣","水城縣"]);dsy.add("0_6_4",["從江縣","丹寨縣","黃平縣","劍河縣","錦屏縣","凱里市","雷山縣","黎平縣","麻江縣","三穗縣","施秉縣","台江縣","天柱縣","鎮遠縣","岑鞏縣","榕江縣"]);dsy.add("0_6_5",["長順縣","都勻市","獨山縣","福泉市","貴定縣","惠水縣","荔波縣","龍里縣","羅甸縣","平塘縣","三都水族自治縣","瓮安縣"]);dsy.add("0_6_6",["安龍縣","冊亨縣","普安縣","晴隆縣","望謨縣","興仁縣","興義市","貞豐縣"]);dsy.add("0_6_7",["德江縣","江口縣","石阡縣","思南縣","松桃苗族自治縣","銅仁市","萬山特區","沿河土家族自治縣","印江土家族苗族自治縣","玉屏侗族自治縣"]);dsy.add("0_6_8",["赤水市","道真仡佬族苗族自治縣","鳳岡縣","仁懷市","綏陽縣","桐梓縣","務川仡佬族苗族自治縣","習水縣","餘慶縣","正安縣","遵義市","遵義縣","湄潭縣"]);dsy.add("0_7",["白沙黎族自治縣","保亭黎族苗族自治縣","昌江黎族自治縣","澄邁縣","定安縣","東方","海口","樂東黎族自治縣","臨高縣","陵水黎族自治縣","瓊海","瓊中黎族苗族自治縣","三亞","屯昌縣","萬寧","文昌","五指山","儋州"]);dsy.add("0_7_0",["白沙黎族自治縣"]);dsy.add("0_7_1",["保亭黎族苗族自治縣"]);dsy.add("0_7_2",["昌江黎族自治縣"]);dsy.add("0_7_3",["澄邁縣"]);dsy.add("0_7_4",["定安縣"]);dsy.add("0_7_5",["東方市"]);dsy.add("0_7_6",["海口市"]);dsy.add("0_7_7",["樂東黎族自治縣"]);dsy.add("0_7_8",["臨高縣"]);dsy.add("0_7_9",["陵水黎族自治縣"]);dsy.add("0_7_10",["瓊海市"]);dsy.add("0_7_11",["瓊中黎族苗族自治縣"]);dsy.add("0_7_12",["三亞市"]);dsy.add("0_7_13",["屯昌縣"]);dsy.add("0_7_14",["萬寧市"]);dsy.add("0_7_15",["文昌市"]);dsy.add("0_7_16",["五指山市"]);dsy.add("0_7_17",["儋州市"]);dsy.add("0_8",["保定","滄州","承德","邯鄲","衡水","廊坊","秦皇島","石家莊","唐山","邢台","張家口"]);dsy.add("0_8_0",["安國市","安新縣","保定市","博野縣","定興縣","定州市","阜平縣","高碑店市","高陽縣","滿城縣","清苑縣","曲陽縣","容城縣","順平縣","唐縣","望都縣","雄縣","徐水縣","易縣","淶水縣","淶源縣","涿州市","蠡縣"]);dsy.add("0_8_1",["泊頭市","滄縣","滄州市","東光縣","海興縣","河間市","黃驊市","孟村回族自治縣","南皮縣","青縣","任丘市","肅寧縣","吳橋縣","獻縣","鹽山縣"]);dsy.add("0_8_2",["承德市","承德縣","豐寧滿族自治縣","寬城滿族自治縣","隆化縣","灤平縣","平泉縣","圍場滿族蒙古族自治縣","興隆縣"]);dsy.add("0_8_3",["成安縣","磁縣","大名縣","肥鄉縣","館陶縣","廣平縣","邯鄲市","邯鄲縣","雞澤縣","臨漳縣","邱縣","曲周縣","涉縣","魏縣","武安市","永年縣"]);dsy.add("0_8_4",["安平縣","阜城縣","故城縣","衡水市","冀州市","景縣","饒陽縣","深州市","武強縣","武邑縣","棗強縣"]);dsy.add("0_8_5",["霸州市","大廠回族自治縣","大城縣","固安縣","廊坊市","三河市","文安縣","香河縣","永清縣"]);dsy.add("0_8_6",["昌黎縣","撫寧縣","盧龍縣","秦皇島市","青龍滿族自治縣"]);dsy.add("0_8_7",["高邑縣","晉州市","井陘縣","靈壽縣","鹿泉市","平山縣","深澤縣","石家莊市","無極縣","辛集市","新樂市","行唐縣","元氏縣","贊皇縣","趙縣","正定縣","藁城市","欒城縣"]);dsy.add("0_8_8",["樂亭縣","灤南縣","灤縣","遷安市","遷西縣","唐海縣","唐山市","玉田縣","遵化市"]);dsy.add("0_8_9",["柏鄉縣","廣宗縣","鉅鹿縣","臨城縣","臨西縣","隆堯縣","南宮市","南和縣","內丘縣","寧晉縣","平鄉縣","清河縣","任縣","沙河市","威縣","新河縣","邢台市","邢台縣"]);dsy.add("0_8_10",["赤城縣","崇禮縣","沽源縣","懷安縣","懷來縣","康保縣","尚義縣","萬全縣","蔚縣","宣化縣","陽原縣","張北縣","張家口市","涿鹿縣"]);dsy.add("0_9",["安陽","鶴壁","濟源","焦作","開封","洛陽","南陽","平頂山","三門峽","商丘","新鄉","信陽","許昌","鄭州","周口","駐馬店","漯河","濮陽"]);dsy.add("0_9_0",["安陽市","安陽縣","滑縣","林州市","內黃縣","湯陰縣"]);dsy.add("0_9_1",["","鶴壁市","濬縣","淇縣"]);dsy.add("0_9_2",["濟源市"]);dsy.add("0_9_3",["博愛縣","焦作市","孟州市","沁陽市","溫縣","武陟縣","修武縣"]);dsy.add("0_9_4",["開封市","開封縣","蘭考縣","通許縣","尉氏縣","杞縣"]);dsy.add("0_9_5",["洛寧縣","洛陽市","孟津縣","汝陽縣","新安縣","伊川縣","宜陽縣","偃師市","嵩縣","欒川縣"]);dsy.add("0_9_6",["鄧州市","方城縣","南陽市","南召縣","內鄉縣","社旗縣","唐河縣","桐柏縣","西峽縣","新野縣","鎮平縣","淅川縣"]);dsy.add("0_9_7",["寶豐縣","魯山縣","平頂山市","汝州市","舞鋼市","葉縣","郟縣"]);dsy.add("0_9_8",["靈寶市","盧氏縣","三門峽市","陝縣","義馬市","澠池縣"]);dsy.add("0_9_9",["民權縣","寧陵縣","商丘市","夏邑縣","永城市","虞城縣","柘城縣","睢縣"]);dsy.add("0_9_10",["長垣縣","封丘縣","輝縣市","獲嘉縣","衛輝市","新鄉市","新鄉縣","延津縣","原陽縣"]);dsy.add("0_9_11",["固始縣","光山縣","淮濱縣","羅山縣","商城縣","息縣","新縣","信陽市","潢川縣"]);dsy.add("0_9_12",["長葛市","襄城縣","許昌市","許昌縣","禹州市","鄢陵縣"]);dsy.add("0_9_13",["登封市","鞏義市","新密市","新鄭市","鄭州市","中牟縣","滎陽市"]);dsy.add("0_9_14",["鄲城縣","扶溝縣","淮陽縣","鹿邑縣","商水縣","沈丘縣","太康縣","西華縣","項城市","周口市"]);dsy.add("0_9_15",["泌陽縣","平輿縣","確山縣","汝南縣","上蔡縣","遂平縣","西平縣","新蔡縣","正陽縣","駐馬店市"]);dsy.add("0_9_16",["臨潁縣","舞陽縣","郾城縣","漯河市"]);dsy.add("0_9_17",["範縣","南樂縣","清豐縣","台前縣","濮陽市","濮陽縣"]);dsy.add("0_10",["大慶","大興安嶺","哈爾濱","鶴崗","黑河","雞西","佳木斯","牡丹江","七台河","齊齊哈爾","雙鴨山","綏化","伊春"]);dsy.add("0_10_0",["大慶市","杜爾伯特蒙古族自治縣","林甸縣","肇源縣","肇州縣"]);dsy.add("0_10_1",["呼瑪縣","漠河縣","塔河縣"]);dsy.add("0_10_2",["阿城市","巴彥縣","賓縣","方正縣","哈爾濱市","呼蘭縣","木蘭縣","尚志市","雙城市","通河縣","五常市","延壽縣","依蘭縣"]);dsy.add("0_10_3",["鶴崗市","蘿北縣","綏濱縣"]);dsy.add("0_10_4",["北安市","黑河市","嫩江縣","孫吳縣","五大連池市","遜克縣"]);dsy.add("0_10_5",["虎林市","雞東縣","雞西市","密山市"]);dsy.add("0_10_6",["撫遠縣","富錦市","佳木斯市","湯原縣","同江市","樺川縣","樺南縣"]);dsy.add("0_10_7",["東寧縣","海林市","林口縣","牡丹江市","穆棱市","寧安市","綏芬河市"]);dsy.add("0_10_8",["勃利縣","七台河市"]);dsy.add("0_10_9",["拜泉縣","富裕縣","甘南縣","克東縣","克山縣","龍江縣","齊齊哈爾市","泰來縣","依安縣","訥河市"]);dsy.add("0_10_10",["寶清縣","集賢縣","饒河縣","雙鴨山市","友誼縣"]);dsy.add("0_10_11",["安達市","海倫市","蘭西縣","明水縣","青岡縣","慶安縣","綏化市","綏棱縣","望奎縣","肇東市"]);dsy.add("0_10_12",["嘉蔭縣","鐵力市","伊春市"]);dsy.add("0_11",["鄂州","恩施土家族苗族自治州","黃岡","黃石","荊門","荊州","潛江","神農架林區","十堰","隨州","天門","武漢","仙桃","咸寧","襄樊","孝感","宜昌"]);dsy.add("0_11_0",["鄂州市"]);dsy.add("0_11_1",["巴東縣","恩施市","鶴峰縣","建始縣","來鳳縣","利川市","咸豐縣","宣恩縣"]);dsy.add("0_11_2",["紅安縣","黃岡市","黃梅縣","羅田縣","麻城市","團風縣","武穴市","英山縣","蘄春縣","浠水縣"]);dsy.add("0_11_3",["大冶市","黃石市","陽新縣"]);dsy.add("0_11_4",["荊門市","京山縣","沙洋縣","鍾祥市"]);dsy.add("0_11_5",["公安縣","洪湖市","監利縣","江陵縣","荊州市","石首市","松滋市"]);dsy.add("0_11_6",["潛江市"]);dsy.add("0_11_7",["神農架林區"]);dsy.add("0_11_8",["丹江口市","房縣","十堰市","鄖西縣","鄖縣","竹山縣","竹溪縣"]);dsy.add("0_11_9",["廣水市","隨州市"]);dsy.add("0_11_10",["天門市"]);dsy.add("0_11_11",["武漢市"]);dsy.add("0_11_12",["仙桃市"]);dsy.add("0_11_13",["赤壁市","崇陽縣","嘉魚縣","通城縣","通山縣","咸寧市"]);dsy.add("0_11_14",["保康縣","谷城縣","老河口市","南漳縣","襄樊市","宜城市","棗陽市"]);dsy.add("0_11_15",["安陸市","大悟縣","漢川市","孝昌縣","孝感市","應城市","雲夢縣"]);dsy.add("0_11_16",["長陽土家族自治縣","當陽市","五峰土家族自治縣","興山縣","宜昌市","宜都市","遠安縣","枝江市","秭歸縣"]);dsy.add("0_12",["常德","長沙","郴州","衡陽","懷化","婁底","邵陽","湘潭","湘西土家族苗族自治州","益陽","永州","岳陽","張家界","株洲"]);dsy.add("0_12_0",["安鄉縣","常德市","漢壽縣","津市市","臨澧縣","石門縣","桃源縣","澧縣"]);dsy.add("0_12_1",["長沙市","長沙縣","寧鄉縣","望城縣","瀏陽市"]);dsy.add("0_12_2",["安仁縣","郴州市","桂東縣","桂陽縣","嘉禾縣","臨武縣","汝城縣","宜章縣","永興縣","資興市"]);dsy.add("0_12_3",["常寧市","衡東縣","衡南縣","衡山縣","衡陽市","衡陽縣","祁東縣","耒陽市"]);dsy.add("0_12_4",["辰溪縣","洪江市","懷化市","會同縣","靖州苗族侗族自治縣","麻陽苗族自治縣","通道侗族自治縣","新晃侗族自治縣","中方縣","芷江侗族自治縣","沅陵縣","溆浦縣"]);dsy.add("0_12_5",["冷水江市","漣源市","婁底市","雙峰縣","新化縣"]);dsy.add("0_12_6",["城步苗族自治縣","洞口縣","隆回縣","邵東縣","邵陽市","邵陽縣","綏寧縣","武岡市","新寧縣","新邵縣"]);dsy.add("0_12_7",["韶山市","湘潭市","湘潭縣","湘鄉市"]);dsy.add("0_12_8",["保靖縣","鳳凰縣","古丈縣","花垣縣","吉首市","龍山縣","永順縣","瀘溪縣"]);dsy.add("0_12_9",["安化縣","南縣","桃江縣","益陽市","沅江市"]);dsy.add("0_12_10",["道縣","東安縣","江華瑤族自治縣","江永縣","藍山縣","寧遠縣","祁陽縣","雙牌縣","新田縣","永州市"]);dsy.add("0_12_11",["華容縣","臨湘市","平江縣","湘陰縣","岳陽市","岳陽縣","汨羅市"]);dsy.add("0_12_12",["慈利縣","桑植縣","張家界市"]);dsy.add("0_12_13",["茶陵縣","炎陵縣","株洲市","株洲縣","攸縣","醴陵市"]);dsy.add("0_13",["白城","白山","長春","吉林","遼源","四平","松原","通化","延邊朝鮮族自治州"]);dsy.add("0_13_0",["白城市","大安市","通榆縣","鎮賚縣","洮南市"]);dsy.add("0_13_1",["白山市","長白朝鮮族自治縣","撫松縣","江源縣","靖宇縣","臨江市"]);dsy.add("0_13_2",["長春市","德惠市","九台市","農安縣","榆樹市"]);dsy.add("0_13_3",["吉林市","磐石市","舒蘭市","永吉縣","樺甸市","蛟河市"]);dsy.add("0_13_4",["東豐縣","東遼縣","遼源市"]);dsy.add("0_13_5",["公主嶺市","梨樹縣","雙遼市","四平市","伊通滿族自治縣"]);dsy.add("0_13_6",["長嶺縣","扶餘縣","乾安縣","前郭爾羅斯蒙古族自治縣","松原市"]);dsy.add("0_13_7",["輝南縣","集安市","柳河縣","梅河口市","通化市","通化縣"]);dsy.add("0_13_8",["安圖縣","敦化市","和龍市","龍井市","圖們市","汪清縣","延吉市","琿春市"]);dsy.add("0_14",["常州","淮安","連雲港","南京","南通","蘇州","宿遷","泰州","無錫","徐州","鹽城","揚州","鎮江"]);dsy.add("0_14_0",["常州市","金壇市","溧陽市"]);dsy.add("0_14_1",["洪澤縣","淮安市","金湖縣","漣水縣","盱眙縣"]);dsy.add("0_14_2",["東海縣","贛榆縣","灌南縣","灌雲縣","連雲港市"]);dsy.add("0_14_3",["高淳縣","南京市","溧水縣"]);dsy.add("0_14_4",["海安縣","海門市","南通市","啟東市","如東縣","如皋市","通州市"]);dsy.add("0_14_5",["常熟市","崑山市","蘇州市","太倉市","吳江市","張家港市"]);dsy.add("0_14_6",["宿遷市","宿豫縣","沭陽縣","泗洪縣","泗陽縣"]);dsy.add("0_14_7",["姜堰市","靖江市","泰興市","泰州市","興化市"]);dsy.add("0_14_8",["江陰市","無錫市","宜興市"]);dsy.add("0_14_9",["豐縣","沛縣","銅山縣","新沂市","徐州市","邳州市","睢寧縣"]);dsy.add("0_14_10",["濱海縣","大豐市","東台市","阜寧縣","建湖縣","射陽縣","響水縣","鹽城市","鹽都縣"]);dsy.add("0_14_11",["寶應縣","高郵市","江都市","揚州市","儀征市"]);dsy.add("0_14_12",["丹陽市","句容市","揚中市","鎮江市"]);dsy.add("0_15",["撫州","贛州","吉安","景德鎮","九江","南昌","萍鄉","上饒","新余","宜春","鷹潭"]);dsy.add("0_15_0",["崇仁縣","東鄉縣","撫州市","廣昌縣","金溪縣","樂安縣","黎川縣","南城縣","南豐縣","宜黃縣","資溪縣"]);dsy.add("0_15_1",["安遠縣","崇義縣","大餘縣","定南縣","贛縣","贛州市","會昌縣","龍南縣","南康市","寧都縣","全南縣","瑞金市","上猶縣","石城縣","信豐縣","興國縣","尋烏縣","於都縣"]);dsy.add("0_15_2",["安福縣","吉安市","吉安縣","吉水縣","井岡山市","遂川縣","泰和縣","萬安縣","峽江縣","新幹縣","永豐縣","永新縣"]);dsy.add("0_15_3",["浮梁縣","景德鎮市","樂平市"]);dsy.add("0_15_4",["德安縣","都昌縣","湖口縣","九江市","九江縣","彭澤縣","瑞昌市","武寧縣","星子縣","修水縣","永修縣"]);dsy.add("0_15_5",["安義縣","進賢縣","南昌市","南昌縣","新建縣"]);dsy.add("0_15_6",["蓮花縣","蘆溪縣","萍鄉市","上栗縣"]);dsy.add("0_15_7",["波陽縣","德興市","廣豐縣","橫峰縣","鉛山縣","上饒市","上饒縣","萬年縣","餘幹縣","玉山縣","弋陽縣","婺源縣"]);dsy.add("0_15_8",["分宜縣","新余市"]);dsy.add("0_15_9",["豐城市","奉新縣","高安市","靖安縣","上高縣","銅鼓縣","萬載縣","宜春市","宜豐縣","樟樹市"]);dsy.add("0_15_10",["貴溪市","鷹潭市","余江縣"]);dsy.add("0_16",["鞍山","本溪","朝陽","大連","丹東","撫順","阜新","葫蘆島","錦州","遼陽","盤錦","瀋陽","鐵嶺","營口"]);dsy.add("0_16_0",["鞍山市","海城市","台安縣","岫岩滿族自治縣"]);dsy.add("0_16_1",["本溪滿族自治縣","本溪市","桓仁滿族自治縣"]);dsy.add("0_16_2",["北票市","朝陽市","朝陽縣","建平縣","喀喇沁左翼蒙古族自治縣","凌源市"]);dsy.add("0_16_3",["長海縣","大連市","普蘭店市","瓦房店市","莊河市"]);dsy.add("0_16_4",["丹東市","東港市","鳳城市","寬甸滿族自治縣"]);dsy.add("0_16_5",["撫順市","撫順縣","清原滿族自治縣","新賓滿族自治縣"]);dsy.add("0_16_6",["阜新蒙古族自治縣","阜新市","彰武縣"]);dsy.add("0_16_7",["葫蘆島市","建昌縣","綏中縣","興城市"]);dsy.add("0_16_8",["北寧市","黑山縣","錦州市","凌海市","義縣"]);dsy.add("0_16_9",["燈塔市","遼陽市","遼陽縣"]);dsy.add("0_16_10",["大窪縣","盤錦市","盤山縣"]);dsy.add("0_16_11",["法庫縣","康平縣","遼中縣","瀋陽市","新民市"]);dsy.add("0_16_12",["昌圖縣","調兵山市","開原市","鐵嶺市","鐵嶺縣","西豐縣"]);dsy.add("0_16_13",["大石橋市","蓋州市","營口市"]);dsy.add("0_17",["阿拉善盟","巴彥淖爾盟","包頭","赤峰","鄂爾多斯","呼和浩特","呼倫貝爾","通遼","烏海","烏蘭察布盟","錫林郭勒盟","興安盟"]);dsy.add("0_17_0",["阿拉善右旗","阿拉善左旗","額濟納旗"]);dsy.add("0_17_1",["杭錦後旗","臨河市","烏拉特後旗","烏拉特前旗","烏拉特中旗","五原縣","磴口縣"]);dsy.add("0_17_2",["包頭市","達爾罕茂明安聯合旗","固陽縣","土默特右旗"]);dsy.add("0_17_3",["阿魯科爾沁旗","敖漢旗","巴林右旗","巴林左旗","赤峰市","喀喇沁旗","克什克騰旗","林西縣","寧城縣","翁牛特旗"]);dsy.add("0_17_4",["達拉特旗","鄂爾多斯市","鄂托克旗","鄂托克前旗","杭錦旗","烏審旗","伊金霍洛旗","準格爾旗"]);dsy.add("0_17_5",["和林格爾縣","呼和浩特市","清水河縣","土默特左旗","托克託縣","武川縣"]);dsy.add("0_17_6",["阿榮旗","陳巴爾虎旗","額爾古納市","鄂倫春自治旗","鄂溫克族自治旗","根河市","呼倫貝爾市","滿洲里市","莫力達瓦達斡爾族自治旗","新巴爾虎右旗","新巴爾虎左旗","牙克石市","扎蘭屯市"]);dsy.add("0_17_7",["霍林郭勒市","開魯縣","科爾沁左翼後旗","科爾沁左翼中旗","庫倫旗","奈曼旗","通遼市","扎魯特旗"]);dsy.add("0_17_8",["烏海市"]);dsy.add("0_17_9",["察哈爾右翼後旗","察哈爾右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.add("0_24_0",["阿壩縣","黑水縣","紅原縣","金川縣","九寨溝縣","理縣","馬爾康縣","茂縣","壤塘縣","若爾蓋縣","松潘縣","小金縣","汶川縣"]);dsy.add("0_24_1",["巴中市","南江縣","平昌縣","通江縣"]);dsy.add("0_24_2",["成都市","崇州市","大邑縣","都江堰市","金堂縣","彭州市","蒲江縣","雙流縣","新津縣","邛崍市","郫縣"]);dsy.add("0_24_3",["達縣","達州市","大竹縣","開江縣","渠縣","萬源市","宣漢縣"]);dsy.add("0_24_4",["德陽市","廣漢市","羅江縣","綿竹市","什邡市","中江縣"]);dsy.add("0_24_5",["巴塘縣","白玉縣","丹巴縣","稻城縣","道孚縣","德格縣","得榮縣","甘孜縣","九龍縣","康定縣","理塘縣","爐霍縣","色達縣","石渠縣","鄉城縣","新龍縣","雅江縣","瀘定縣"]);dsy.add("0_24_6",["廣安市","華鎣市","鄰水縣","武勝縣","岳池縣"]);dsy.add("0_24_7",["蒼溪縣","廣元市","劍閣縣","青川縣","旺蒼縣"]);dsy.add("0_24_8",["峨邊彝族自治縣","峨眉山市","夾江縣","井研縣","樂山市","馬邊彝族自治縣","沐川縣","犍為縣"]);dsy.add("0_24_9",["布拖縣","德昌縣","甘洛縣","會東縣","會理縣","金陽縣","雷波縣","美姑縣","冕寧縣","木里藏族自治縣","寧南縣","普格縣","西昌市","喜德縣","鹽源縣","越西縣","昭覺縣"]);dsy.add("0_24_10",["丹棱縣","洪雅縣","眉山市","彭山縣","青神縣","仁壽縣"]);dsy.add("0_24_11",["安縣","北川縣","江油市","綿陽市","平武縣","三台縣","鹽亭縣","梓潼縣"]);dsy.add("0_24_12",["南部縣","南充市","蓬安縣","西充縣","儀隴縣","營山縣","閬中市"]);dsy.add("0_24_13",["隆昌縣","內江市","威遠縣","資中縣"]);dsy.add("0_24_14",["米易縣","攀枝花市","鹽邊縣"]);dsy.add("0_24_15",["大英縣","蓬溪縣","射洪縣","遂寧市"]);dsy.add("0_24_16",["寶興縣","漢源縣","蘆山縣","名山縣","石棉縣","天全縣","雅安市","滎經縣"]);dsy.add("0_24_17",["長寧縣","高縣","江安縣","南溪縣","屏山縣","興文縣","宜賓市","宜賓縣","珙縣","筠連縣"]);dsy.add("0_24_18",["安岳縣","簡陽市","樂至縣","資陽市"]);dsy.add("0_24_19",["富順縣","榮縣","自貢市"]);dsy.add("0_24_20",["古藺縣","合江縣","敘永縣","瀘縣","瀘州市"]);dsy.add("0_25",["天津"]);dsy.add("0_25_0",["","薊縣","靜海縣","寧河縣","天津市"]);dsy.add("0_26",["阿里","昌都","拉薩","林芝","那曲","日喀則","山南"]);dsy.add("0_26_0",["措勤縣","噶爾縣","改則縣","革吉縣","普蘭縣","日土縣","札達縣"]);dsy.add("0_26_1",["八宿縣","邊壩縣","察雅縣","昌都縣","丁青縣","貢覺縣","江達縣","類烏齊縣","洛隆縣","芒康縣","左貢縣"]);dsy.add("0_26_2",["達孜縣","當雄縣","堆龍德慶縣","拉薩市","林周縣","墨竹工卡縣","尼木縣","曲水縣"]);dsy.add("0_26_3",["波密縣","察隅縣","工布江達縣","朗縣","林芝縣","米林縣","墨脫縣"]);dsy.add("0_26_4",["安多縣","巴青縣","班戈縣","比如縣","嘉黎縣","那曲縣","尼瑪縣","聶榮縣","申扎縣","索縣"]);dsy.add("0_26_5",["昂仁縣","白朗縣","定結縣","定日縣","崗巴縣","吉隆縣","江孜縣","康馬縣","拉孜縣","南木林縣","聶拉木縣","仁布縣","日喀則市","薩嘎縣","薩迦縣","謝通門縣","亞東縣","仲巴縣"]);dsy.add("0_26_6",["措美縣","錯那縣","貢嘎縣","加查縣","浪卡子縣","隆子縣","洛扎縣","乃東縣","瓊結縣","曲松縣","桑日縣","扎囊縣"]);dsy.add("0_27",["阿克蘇","阿拉爾","巴音郭楞蒙古自治州","博爾塔拉蒙古自治州","昌吉回族自治州","哈密","和田","喀什","克拉瑪依","克孜勒蘇柯爾克孜自治州","石河子","圖木舒克","吐魯番","烏魯木齊","五家渠","伊犁哈薩克自治州"]);dsy.add("0_27_0",["阿克蘇市","阿瓦提縣","拜城縣","柯坪縣","庫車縣","沙雅縣","溫宿縣","烏什縣","新和縣"]);dsy.add("0_27_1",["阿拉爾市"]);dsy.add("0_27_2",["博湖縣","和靜縣","和碩縣","庫爾勒市","輪台縣","且末縣","若羌縣","尉犁縣","焉耆回族自治縣"]);dsy.add("0_27_3",["博樂市","精河縣","溫泉縣"]);dsy.add("0_27_4",["昌吉市","阜康市","呼圖壁縣","吉木薩爾縣","瑪納斯縣","米泉市","木壘哈薩克自治縣","奇台縣"]);dsy.add("0_27_5",["巴里坤哈薩克自治縣","哈密市","伊吾縣"]);dsy.add("0_27_6",["策勒縣","和田市","和田縣","洛浦縣","民豐縣","墨玉縣","皮山縣","於田縣"]);dsy.add("0_27_7",["巴楚縣","喀什市","麥蓋提縣","莎車縣","疏附縣","疏勒縣","塔什庫爾幹塔吉克自治縣","葉城縣","英吉沙縣","岳普湖縣","澤普縣","伽師縣"]);dsy.add("0_27_8",["克拉瑪依市"]);dsy.add("0_27_9",["阿合奇縣","阿克陶縣","阿圖什市","烏恰縣"]);dsy.add("0_27_10",["石河子市"]);dsy.add("0_27_11",["圖木舒克市"]);dsy.add("0_27_12",["吐魯番市","托克遜縣","鄯善縣"]);dsy.add("0_27_13",["烏魯木齊市","烏魯木齊縣"]);dsy.add("0_27_14",["五家渠市"]);dsy.add("0_27_15",["阿勒泰市","布爾津縣","察布查爾錫伯自治縣","額敏縣","福海縣","富蘊縣","鞏留縣","哈巴河縣","和布克賽爾蒙古自治縣","霍城縣","吉木乃縣","奎屯市","尼勒克縣","青河縣","沙灣縣","塔城市","特克斯縣","托里縣","烏蘇市","新源縣","伊寧市","伊寧縣","裕民縣","昭蘇縣"]);dsy.add("0_28",["保山","楚雄彝族自治州","大理白族自治州","德宏傣族景頗族自治州","迪慶藏族自治州","紅河哈尼族彝族自治州","昆明","麗江","臨滄","怒江傈傈族自治州","曲靖","思茅","文山壯族苗族自治州","西雙版納傣族自治州","玉溪","昭通"]);dsy.add("0_28_0",["保山市","昌寧縣","龍陵縣","施甸縣","騰沖縣"]);dsy.add("0_28_1",["楚雄市","大姚縣","祿豐縣","牟定縣","南華縣","雙柏縣","武定縣","姚安縣","永仁縣","元謀縣"]);dsy.add("0_28_2",["賓川縣","大理市","洱源縣","鶴慶縣","劍川縣","彌渡縣","南澗彝族自治縣","巍山彝族回族自治縣","祥雲縣","漾濞彝族自治縣","永平縣","雲龍縣"]);dsy.add("0_28_3",["梁河縣","隴川縣","潞西市","瑞麗市","盈江縣"]);dsy.add("0_28_4",["德欽縣","維西傈僳族自治縣","香格里拉縣"]);dsy.add("0_28_5",["個舊市","河口瑤族自治縣","紅河縣","建水縣","金平苗族瑤族傣族自治縣","開遠市","綠春縣","蒙自縣","彌勒縣","屏邊苗族自治縣","石屏縣","元陽縣","瀘西縣"]);dsy.add("0_28_6",["安寧市","呈貢縣","富民縣","晉寧縣","昆明市","祿勸彝族苗族自治縣","石林彝族自治縣","尋甸回族自治縣","宜良縣","嵩明縣"]);dsy.add("0_28_7",["華坪縣","麗江市","寧蒗彝族自治縣","永勝縣","玉龍納西族自治縣"]);dsy.add("0_28_8",["滄源佤族自治縣","鳳慶縣","耿馬傣族佤族治縣","臨滄縣","雙江拉祜族佤族布朗族傣族自治縣","永德縣","雲縣","鎮康縣"]);dsy.add("0_28_9",["福貢縣","貢山獨龍族怒族自治縣","蘭坪白族普米族自治縣","瀘水縣"]);dsy.add("0_28_10",["富源縣","會澤縣","陸良縣","羅平縣","馬龍縣","曲靖市","師宗縣","宣威市","沾益縣"]);dsy.add("0_28_11",["江城哈尼族彝族自治縣","景東彝族自治縣","景谷彝族傣族自治縣","瀾滄拉祜族自治縣","孟連傣族拉祜族佤族自治縣","墨江哈尼族自治縣","普洱哈尼族彝族自治縣","思茅市","西盟佤族自治縣","鎮沅彝族哈尼族拉祜族自治縣"]);dsy.add("0_28_12",["富寧縣","廣南縣","麻栗坡縣","馬關縣","丘北縣","文山縣","西疇縣","硯山縣"]);dsy.add("0_28_13",["景洪市","勐海縣","勐臘縣"]);dsy.add("0_28_14",["澄江縣","峨山彝族自治縣","華寧縣","江川縣","通海縣","新平彝族傣族自治縣","易門縣","玉溪市","元江哈尼族彝族傣族自治縣"]);dsy.add("0_28_15",["大關縣","魯甸縣","巧家縣","水富縣","綏江縣","威信縣","鹽津縣","彝良縣","永善縣","昭通市","鎮雄縣"]);dsy.add("0_29",["杭州","湖州","嘉興","金華","麗水","寧波","紹興","台州","溫州","舟山","衢州"]);dsy.add("0_29_0",["淳安縣","富陽市","杭州市","建德市","臨安市","桐廬縣"]);dsy.add("0_29_1",["安吉縣","長興縣","德清縣","湖州市"]);dsy.add("0_29_2",["海寧市","海鹽縣","嘉善縣","嘉興市","平湖市","桐鄉市"]);dsy.add("0_29_3",["東陽市","金華市","蘭溪市","磐安縣","浦江縣","武義縣","義烏市","永康市"]);dsy.add("0_29_4",["景寧畬族自治縣","麗水市","龍泉市","青田縣","慶元縣","松陽縣","遂昌縣","雲和縣","縉雲縣"]);dsy.add("0_29_5",["慈溪市","奉化市","寧波市","寧海縣","象山縣","餘姚市"]);dsy.add("0_29_6",["上虞市","紹興市","紹興縣","新昌縣","諸暨市","嵊州市"]);dsy.add("0_29_7",["臨海市","三門縣","台州市","天台縣","溫嶺市","仙居縣","玉環縣"]);dsy.add("0_29_8",["蒼南縣","洞頭縣","樂清市","平陽縣","瑞安市","泰順縣","溫州市","文成縣","永嘉縣"]);dsy.add("0_29_9",["舟山市","岱山縣","嵊泗縣"]);dsy.add("0_29_10",["常山縣","江山市","開化縣","龍遊縣","衢州市"]);dsy.add("0_30",["重慶"]);dsy.add("0_30_0",["城口縣","大足縣","墊江縣","豐都縣","奉節縣","合川市","江津市","開縣","梁平縣","南川市","彭水苗族土家族自治縣","榮昌縣","石柱土家族自治縣","銅梁縣","巫山縣","巫溪縣","武隆縣","秀山土家族苗族自治縣","永川市","酉陽土家族苗族自治縣","雲陽縣","忠縣","重慶市","潼南縣","璧山縣","綦江縣"]);//--></SCRIPT><SCRIPT LANGUAGE = JavaScript><!--var s=["s1","s2","s3"];var opt0 = ["省份","地級市","市、縣級市、縣"];function setup(){ for(i=0;i<s.length-1;i++) document.getElementById(s[i]).onchange=new Function("change("+(i+1)+")"); change(0);}//--></SCRIPT></head><body bgcolor="#E0E0E0" onload="setup()">多級關聯菜單：<form name="frm"><select id="s1"><option>省份</option></select><select id="s2"><option>地級市</option></select><select id="s3"><option>市、縣級市、縣</option></select></form></body></html>更多關於JavaScript相關內容感興趣的讀者可查看本站專題：《JavaScript切換特效與技巧總結》、《JavaScript查找算法技巧總結》、《JavaScript動畫特效與技巧匯總》、《JavaScript錯誤與調試技巧總結》、《JavaScript數據結構與算法技巧總結》、《JavaScript遍曆算法與技巧總結》及《JavaScript數學運算用法總結》
希望本文所述對大家JavaScript程序設計有所幫助。