js實現全國省份城市級聯下拉菜單效果代碼
編輯：關於JavaScript
本文實例講述了js實現全國省份城市級聯下拉菜單效果代碼。分享給大家供大家參考。具體如下：
這是一個大家都知道的網頁小功能，很常見，全國省份與城市級聯菜單，采用Select下拉的方式選擇數據，不過現在很多都Ajax了，貌似這種老形式已經過時了，不過在兼容性方面，仍然是不落後的。
運行效果截圖如下：
在線演示地址如下：
http://demo.jb51.net/js/2015/js-conv-city-xl-menu-style-codes/
具體代碼如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>全國省份城市級聯下拉菜單</title>
</head>
<body>
<script language="javascript">
cityareaname=new Array(35);
cityareacode=new Array(35);
function first(preP,preC,formname,selectP,selectC)
{
a=0;
if (selectP=='01')
{ a=1;tempoption=new Option('北京','01',false,true); }
else
{ tempoption=new Option('北京','01'); }
eval('document.'+formname+'.'+preP+'.options[1]=tempoption;');
cityareacode[0]=new Array('0101','0102','0103','0104','0105','0106','0107','0108');
cityareaname[0]=new Array('東城區','西城區','崇文區','宣武區','朝陽區','海澱區','豐台區','石景山');
if (selectP=='02')
{ a=2;tempoption=new Option('深圳','02',false,true); }
else
{ tempoption=new Option('深圳','02'); }
eval('document.'+formname+'.'+preP+'.options[2]=tempoption;');
cityareacode[1]=new Array('0201','0202','0203','0204','0205','0206');
cityareaname[1]=new Array('羅湖','福田','南山','鹽田','寶安','龍崗');
if (selectP=='03')
{ a=3;tempoption=new Option('上海','03',false,true); }
else
{ tempoption=new Option('上海','03'); }
eval('document.'+formname+'.'+preP+'.options[3]=tempoption;');
cityareacode[2]=new Array('0301','0302','0303','0304','0305','0306','0307','0308','0309','0310','0311','0312','0313','0314','0315','0316','0317','0318','0319','0320');
cityareaname[2]=new Array('寶山','金山','南市','長寧','靜安','青浦','崇明','盧灣','松江','奉賢','浦東','楊浦','虹口','普陀','閘北','黃浦','闵行','徐匯','嘉定','南匯');
if (selectP=='04')
{ a=4;tempoption=new Option('重慶','04',false,true); }
else
{ tempoption=new Option('重慶','04'); }
eval('document.'+formname+'.'+preP+'.options[4]=tempoption;');
cityareacode[3]=new Array('0401','0402','0403','0404','0405','0406');
cityareaname[3]=new Array('渝中','江北','沙坪壩','南岸','九龍坡','大渡口');
if (selectP=='05')
{ a=5;tempoption=new Option('天津','05',false,true); }
else
{ tempoption=new Option('天津','05'); }
eval('document.'+formname+'.'+preP+'.options[5]=tempoption;');
cityareacode[4]=new Array('0501','0502','0503','0504','0505','0506','0507','0508','0509','0510','0511','0512','0513','0514','0515');
cityareaname[4]=new Array('和平','河北','河西','河東','南開','紅橋','塘沽','漢沽','大港','東麗','西青','津南','北辰','武清','濱海');
if (selectP=='06')
{ a=6;tempoption=new Option('廣東','06',false,true); }
else
{ tempoption=new Option('廣東','06'); }
eval('document.'+formname+'.'+preP+'.options[6]=tempoption;');
cityareacode[5]=new Array('0601','0602','0603','0604','0605','0606','0607','0608','0609','0610','0611','0612','0613','0614','0615');
cityareaname[5]=new Array('廣州','珠海','中山','佛山','東莞','清遠','肇慶','陽江','湛江','韶關','惠州','河源','汕尾','汕頭','梅州');
if (selectP=='07')
{ a=7;tempoption=new Option('河北','07',false,true); }
else
{ tempoption=new Option('河北','07'); }
eval('document.'+formname+'.'+preP+'.options[7]=tempoption;');
cityareacode[6]=new Array('0701','0702','0703','0704','0705','0706','0707','0708','0709','0710','0711');
cityareaname[6]=new Array('石家莊','唐山','秦皇島','邯鄲','邢台','張家口','承德','廊坊','滄州','保定','衡水');
if (selectP=='08')
{ a=8;tempoption=new Option('山西','08',false,true); }
else
{ tempoption=new Option('山西','08'); }
eval('document.'+formname+'.'+preP+'.options[8]=tempoption;');
cityareacode[7]=new Array('0801','0802','0803','0804','0805','0806','0807');
cityareaname[7]=new Array('太原','大同','陽泉','朔州','長治','臨汾','晉城');
if (selectP=='09')
{ a=9;tempoption=new Option('內蒙古','09',false,true); }
else
{ tempoption=new Option('內蒙古','09'); }
eval('document.'+formname+'.'+preP+'.options[9]=tempoption;');
cityareacode[8]=new Array('0901','0902','0903','0904','0905','0906','0907','0908','0909','0910','0911');
cityareaname[8]=new Array('呼和浩特','包頭','烏海','臨河','東勝','集寧','錫林浩特','通遼','赤峰','海拉爾','烏蘭浩特');
if (selectP=='10')
{ a=10;tempoption=new Option('遼寧','10',false,true); }
else
{ tempoption=new Option('遼寧','10'); }
eval('document.'+formname+'.'+preP+'.options[10]=tempoption;');
cityareacode[9]=new Array('1001','1002','1003','1004','1005','1006','1007','1008','1009','1010','1011','1012','1013','1014');
cityareaname[9]=new Array('沈陽','大連','鞍山','錦州','丹東','盤錦','鐵嶺','撫順','營口','遼陽','阜新','本溪','朝陽','葫蘆島');
if (selectP=='11')
{ a=11;tempoption=new Option('吉林','11',false,true); }
else
{ tempoption=new Option('吉林','11'); }
eval('document.'+formname+'.'+preP+'.options[11]=tempoption;');
cityareacode[10]=new Array('1101','1102','1103','1104','1105','1106','1107','1108','1109');
cityareaname[10]=new Array('長春','吉林','四平','遼源','通化','白山','松原','白城','延邊');
if (selectP=='12')
{ a=12;tempoption=new Option('黑龍江','12',false,true); }
else
{ tempoption=new Option('黑龍江','12'); }
eval('document.'+formname+'.'+preP+'.options[12]=tempoption;');
cityareacode[11]=new Array('1201','1202','1203','1204','1205','1206','1207','1208','1209','1210','1211','1212','1213');
cityareaname[11]=new Array('哈爾濱','齊齊哈爾','牡丹江','佳木斯','大慶','伊春','黑河','雞西','鶴崗','雙鴨山','七台河','綏化','大興安嶺');
if (selectP=='13')
{ a=13;tempoption=new Option('江蘇','13',false,true); }
else
{ tempoption=new Option('江蘇','13'); }
eval('document.'+formname+'.'+preP+'.options[13]=tempoption;');
cityareacode[12]=new Array('1301','1302','1303','1304','1305','1306','1307','1308','1309','1310','1311','1312','1313');
cityareaname[12]=new Array('南京','蘇州','無錫','常州','鎮江','連雲港 ','揚州','徐州 ','南通','鹽城','淮陰','泰州','宿遷');
if (selectP=='14')
{ a=14;tempoption=new Option('浙江','14',false,true); }
else
{ tempoption=new Option('浙江','14'); }
eval('document.'+formname+'.'+preP+'.options[14]=tempoption;');
cityareacode[13]=new Array('1401','1402','1403','1404','1405','1406','1407','1408','1409','1410','1411');
cityareaname[13]=new Array('杭州','湖州','麗水','溫州','紹興','舟山','嘉興','金華','台州','衢州','寧波');
if (selectP=='15')
{ a=15;tempoption=new Option('安徽','15',false,true); }
else
{ tempoption=new Option('安徽','15'); }
eval('document.'+formname+'.'+preP+'.options[15]=tempoption;');
cityareacode[14]=new Array('1501','1502','1503','1504','1505','1506','1507','1508','1509','1510','1511','1512','1513','1514','1515','1516','1517');
cityareaname[14]=new Array('合肥 ','蕪湖 ','蚌埠 ','滁州 ','安慶 ','六安 ','黃山 ','宣城 ','淮南 ','宿州 ','馬鞍山 ','銅陵','淮北 ','阜陽 ','池州 ','巢湖 ','亳州');
if (selectP=='16')
{ a=16;tempoption=new Option('福建','16',false,true); }
else
{ tempoption=new Option('福建','16'); }
eval('document.'+formname+'.'+preP+'.options[16]=tempoption;');
cityareacode[15]=new Array('1601','1602','1603','1604','1605','1606','1607','1608','1609');
cityareaname[15]=new Array('福州 ','廈門 ','泉州 ','漳州 ','龍巖 ','南平 ','寧德 ','莆田 ','三明');
if (selectP=='17')
{ a=17;tempoption=new Option('江西','17',false,true); }
else
{ tempoption=new Option('江西','17'); }
eval('document.'+formname+'.'+preP+'.options[17]=tempoption;');
cityareacode[16]=new Array('1701','1702','1703','1704','1705','1706','1707','1708','1709','1710','1711');
cityareaname[16]=new Array('南昌','景德鎮','九江','萍鄉','新余','鷹潭','贛州','宜春','吉安','上饒','撫州');
if (selectP=='18')
{ a=18;tempoption=new Option('山東','18',false,true); }
else
{ tempoption=new Option('山東','18'); }
eval('document.'+formname+'.'+preP+'.options[18]=tempoption;');
cityareacode[17]=new Array('1801','1802','1803','1804','1805','1806','1807','1808','1809','1810','1811','1812','1813','1814','1815','1816','1817');
cityareaname[17]=new Array('濟南','青島','淄博','德州','煙台','濰坊','濟寧','泰安','臨沂','菏澤','威海','棗莊','日照','萊蕪','聊城','濱州','東營');
if (selectP=='19')
{ a=19;tempoption=new Option('河南','19',false,true); }
else
{ tempoption=new Option('河南','19'); }
eval('document.'+formname+'.'+preP+'.options[19]=tempoption;');
cityareacode[18]=new Array('1901','1902','1903','1904','1905','1906','1907','1908','1909','1910','1911','1912','1913','1914','1915','1916','1917','1918');
cityareaname[18]=new Array('鄭州','開封','洛陽','平頂山','安陽','鶴壁','新鄉','焦作','濮陽','許昌','漯河','三門峽','南陽','商丘','周口','駐馬店','信陽','濟源');
if (selectP=='20')
{ a=20;tempoption=new Option('湖北','20',false,true); }
else
{ tempoption=new Option('湖北','20'); }
eval('document.'+formname+'.'+preP+'.options[20]=tempoption;');
cityareacode[19]=new Array('2001','2002','2003','2004','2005','2006','2007','2008','2009','2010','2011','2012','2013','2014','2015','2016','2017');
cityareaname[19]=new Array('武漢','黃石','十堰','荊州','宜昌','襄樊','鄂州','荊門','孝感','黃岡','鹹寧','恩施','隨州','仙桃','天門','潛江','神農架');
if (selectP=='21')
{ a=21;tempoption=new Option('湖南','21',false,true); }
else
{ tempoption=new Option('湖南','21'); }
eval('document.'+formname+'.'+preP+'.options[21]=tempoption;');
cityareacode[20]=new Array('2101','2102','2103','2104','2105','2106','2107','2108','2109','2110','2111','2112','2113');
cityareaname[20]=new Array('長沙','株州','湘潭','衡陽','邵陽','岳陽','常德','郴州','益陽','永州','懷化','婁底','湘西 ');
if (selectP=='22')
{ a=22;tempoption=new Option('廣西','22',false,true); }
else
{ tempoption=new Option('廣西','22'); }
eval('document.'+formname+'.'+preP+'.options[22]=tempoption;');
cityareacode[21]=new Array('2201','2202','2203','2204','2205','2206','2207','2208','2209','2210','2211','2212');
cityareaname[21]=new Array('南寧','柳州','桂林','梧州','北海','防城港','欽州','貴港','玉林','賀州','百色','河池');
if (selectP=='23')
{ a=23;tempoption=new Option('海南','23',false,true); }
else
{ tempoption=new Option('海南','23'); }
eval('document.'+formname+'.'+preP+'.options[23]=tempoption;');
cityareacode[22]=new Array('2301','2302','2303','2304','2305','2306','2307','2308','2309');
cityareaname[22]=new Array('海口 ','三亞','通什','瓊海','瓊山','文昌','萬寧','東方','儋州');
if (selectP=='24')
{ a=24;tempoption=new Option('四川','24',false,true); }
else
{ tempoption=new Option('四川','24'); }
eval('document.'+formname+'.'+preP+'.options[24]=tempoption;');
cityareacode[23]=new Array('2401','2402','2403','2404','2405','2406','2407','2408','2409','2410','2411','2412','2413','2414','2415','2416','2417','2418','2419','2420');
cityareaname[23]=new Array('成都','自貢','攀枝花','泸州','德陽','綿陽','廣元','遂寧','內江','樂山','南充 ','宜賓','廣安','達川','巴中','雅安','眉山 ','阿壩 ','甘孜 ','涼山 ');
if (selectP=='25')
{ a=25;tempoption=new Option('貴州','25',false,true); }
else
{ tempoption=new Option('貴州','25'); }
eval('document.'+formname+'.'+preP+'.options[25]=tempoption;');
cityareacode[24]=new Array('2501','2502','2503','2504','2505','2506','2507','2508','2509');
cityareaname[24]=new Array('貴陽 ','六盤水','遵義','銅仁','畢節','安順','黔西南 ','黔東南','黔南');
if (selectP=='26')
{ a=26;tempoption=new Option('雲南','26',false,true); }
else
{ tempoption=new Option('雲南','26'); }
eval('document.'+formname+'.'+preP+'.options[26]=tempoption;');
cityareacode[25]=new Array('2601','2602','2603','2604','2605','2606','2607','2608','2609','2610','2611','2612','2613','2614','2615','2616','2617');
cityareaname[25]=new Array('昆明','東川','曲靖','玉溪','昭通','思茅','臨滄','保山','麗江','文山 ','紅河 ','西雙版納 ','楚雄 ','大理 ','德宏 ','怒江','迪慶');
if (selectP=='27')
{ a=27;tempoption=new Option('西藏','27',false,true); }
else
{ tempoption=new Option('西藏','27'); }
eval('document.'+formname+'.'+preP+'.options[27]=tempoption;');
cityareacode[26]=new Array('2701','2702','2703','2704','2705','2706','2707');
cityareaname[26]=new Array('拉薩','那曲','昌都','山南','日喀則','阿裡','林芝');
if (selectP=='28')
{ a=28;tempoption=new Option('陝西','28',false,true); }
else
{ tempoption=new Option('陝西','28'); }
eval('document.'+formname+'.'+preP+'.options[28]=tempoption;');
cityareacode[27]=new Array('2801','2802','2803','2804','2805','2806','2807','2808','2809','2810');
cityareaname[27]=new Array('西安','銅川','寶雞','鹹陽','渭南','延安','漢中','榆林','商洛','安康');
if (selectP=='29')
{ a=29;tempoption=new Option('甘肅','29',false,true); }
else
{ tempoption=new Option('甘肅','29'); }
eval('document.'+formname+'.'+preP+'.options[29]=tempoption;');
cityareacode[28]=new Array('2901','2902','2903','2904','2905','2906','2907','2908','2909','2910','2911','2912','2913','2914');
cityareaname[28]=new Array('蘭州','金昌','白銀','天水','嘉峪關','定西','平涼','慶陽','隴南','武威','張掖','酒泉','甘南 ','臨夏');
if (selectP=='30')
{ a=30;tempoption=new Option('青海','30',false,true); }
else
{ tempoption=new Option('青海','30'); }
eval('document.'+formname+'.'+preP+'.options[30]=tempoption;');
cityareacode[29]=new Array('3001','3002','3003','3004','3005','3006','3007','3008');
cityareaname[29]=new Array('西寧','海東',' 海北 ','黃南','海南','果洛','玉樹','海西');
if (selectP=='31')
{ a=31;tempoption=new Option('寧夏','31',false,true); }
else
{ tempoption=new Option('寧夏','31'); }
eval('document.'+formname+'.'+preP+'.options[31]=tempoption;');
cityareacode[30]=new Array('3101','3102','3103','3104');
cityareaname[30]=new Array('銀川','石嘴山','銀南','固原');
if (selectP=='32')
{ a=32;tempoption=new Option('新疆','32',false,true); }
else
{ tempoption=new Option('新疆','32'); }
eval('document.'+formname+'.'+preP+'.options[32]=tempoption;');
cityareacode[31]=new Array('3201','3202','3203','3204','3205','3206','3207','3208','3209','3210','3211','3212','3213');
cityareaname[31]=new Array('烏魯木齊','克拉瑪依','石河子','吐魯番','哈密','和田','阿克蘇','喀什','克孜勒蘇','巴音郭楞','昌吉','博爾塔拉','伊犁');
if (selectP=='33')
{ a=33;tempoption=new Option('香港','33',false,true); }
else
{ tempoption=new Option('香港','33'); }
eval('document.'+formname+'.'+preP+'.options[33]=tempoption;');
cityareacode[32]=new Array();
cityareaname[32]=new Array();
if (selectP=='34')
{ a=34;tempoption=new Option('澳門','34',false,true); }
else
{ tempoption=new Option('澳門','34'); }
eval('document.'+formname+'.'+preP+'.options[34]=tempoption;');
cityareacode[33]=new Array();
cityareaname[33]=new Array();
if (selectP=='35')
{ a=35;tempoption=new Option('台灣','35',false,true); }
else
{ tempoption=new Option('台灣','35'); }
eval('document.'+formname+'.'+preP+'.options[35]=tempoption;');
cityareacode[34]=new Array();
cityareaname[34]=new Array();
eval('document.'+formname+'.'+preP+'.options[a].selected=true;');
cityid=selectP;
if (cityid!='0')
{
b=0;for (i=0;i<cityareaname[cityid-1].length;i++)
{
if (selectC==cityareacode[cityid-1][i])
{b=i+1;tempoption=new Option(cityareaname[cityid-1][i],cityareacode[cityid-1][i],false,true);}
else
tempoption=new Option(cityareaname[cityid-1][i],cityareacode[cityid-1][i]);
eval('document.'+formname+'.'+preC+'.options[i+1]=tempoption;');
}
eval('document.'+formname+'.'+preC+'.options[b].selected=true;');
}
}
function selectcityarea(preP,preC,formname)
{
cityid=eval('document.'+formname+'.'+preP+'.selectedIndex;');
j=eval('document.'+formname+'.'+preC+'.length;');
for (i=1;i<j;i++)
{eval('document.'+formname+'.'+preC+'.options[j-i]=null;')}
if (cityid!="0")
{
for (i=0;i<cityareaname[cityid-1].length;i++)
{
tempoption=new Option(cityareaname[cityid-1][i],cityareacode[cityid-1][i]);
eval('document.'+formname+'.'+preC+'.options[i+1]=tempoption;');
}
}
}
</script>
<form action="" method=post name=form1>
<img src="images/w_KT.gif" height="6" width="1"><br>
<table width=300 border=0 cellspacing="0" cellpadding="1" !bgcolor=#FFFDE6>
<tr>
<td class="black_con9" align="right">省份：</td>
<td class="black_con9">
<select name="selectp" onChange="selectcityarea('selectp','selectc','form1');">
<option value="0" selected>不限--
</select>
</td>
</tr>
<tr>
<td class="black_con9" align="right">縣/市：</td>
<td class="black_con9">
<select name="selectc">
<option value="0" selected>不限--
</select>
</td>
</tr>
</table>
</form>
<script language="javascript">
first("selectp","selectc","form1",0,0);
</script>
</body>
</html>
希望本文所述對大家的JavaScript程序設計有所幫助。
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