這篇文章主要介紹了JavaScript省市聯動實現代碼,需要的朋友可以參考下
代碼如下: <html> <head> <title>JS省市二級聯動菜單,整理收集。</title> </head> <body bgcolor="#FFFFFF" alink="#333333" vlink="#333333" link="#333333" topmargin="0" leftmargin="0" onload="init()"> <form method="post" name="creator" enctype="multipart/form-data"> <script language="javascript" type="text/javascript"> var where = new Array(35); function comefrom(loca, locacity) { this.loca = loca; this.locacity = locacity; } where[0] = new comefrom("請選擇省份名", "請選擇城市名"); where[1] = new comefrom("北京", "|東城|西城|崇文|宣武|朝陽|豐台|石景山|海澱|門頭溝|房山|通州|順義|昌平|大興|平谷|懷柔|密雲|延慶"); where[2] = new comefrom("上海", "|黃浦|盧灣|徐匯|長寧|靜安|普陀|閘北|虹口|楊浦|闵行|寶山|嘉定|浦東|金山|松江|青浦|南匯|奉賢|崇明"); where[3] = new comefrom("天津", "|和平|東麗|河東|西青|河西|津南|南開|北辰|河北|武清|紅挢|塘沽|漢沽|大港|寧河|靜海|寶坻|薊縣"); where[4] = new comefrom("重慶", "|萬州|涪陵|渝中|大渡口|江北|沙坪壩|九龍坡|南岸|北碚|萬盛|雙挢|渝北|巴南|黔江|長壽|綦江|潼南|銅梁|大足|榮昌|壁山|梁平|城口|豐都|墊江|武隆|忠縣|開縣|雲陽|奉節|巫山|巫溪|石柱|秀山|酉陽|彭水|江津|合川|永川|南川"); where[5] = new comefrom("河北", "|石家莊|邯鄲|邢台|保定|張家口|承德|廊坊|唐山|秦皇島|滄州|衡水"); where[6] = new comefrom("山西", "|太原|大同|陽泉|長治|晉城|朔州|呂梁|忻州|晉中|臨汾|運城"); where[7] = new comefrom("內蒙古", "|呼和浩特|包頭|烏海|赤峰|呼倫貝爾盟|阿拉善盟|哲裡木盟|興安盟|烏蘭察布盟|錫林郭勒盟|巴彥淖爾盟|伊克昭盟"); where[8] = new comefrom("遼寧", "|沈陽|大連|鞍山|撫順|本溪|丹東|錦州|營口|阜新|遼陽|盤錦|鐵嶺|朝陽|葫蘆島"); where[9] = new comefrom("吉林", "|長春|吉林|四平|遼源|通化|白山|松原|白城|延邊"); where[10] = new comefrom("黑龍江", "|哈爾濱|齊齊哈爾|牡丹江|佳木斯|大慶|綏化|鶴崗|雞西|黑河|雙鴨山|伊春|七台河|大興安嶺"); where[11] = new comefrom("江蘇", "|南京|鎮江|蘇州|南通|揚州|鹽城|徐州|連雲港|常州|無錫|宿遷|泰州|淮安"); where[12] = new comefrom("浙江", "|杭州|寧波|溫州|嘉興|湖州|紹興|金華|衢州|舟山|台州|麗水"); where[13] = new comefrom("安徽", "|合肥|蕪湖|蚌埠|馬鞍山|淮北|銅陵|安慶|黃山|滁州|宿州|池州|淮南|巢湖|阜陽|六安|宣城|亳州"); where[14] = new comefrom("福建", "|福州|廈門|莆田|三明|泉州|漳州|南平|龍巖|寧德"); where[15] = new comefrom("江西", "|南昌市|景德鎮|九江|鷹潭|萍鄉|新馀|贛州|吉安|宜春|撫州|上饒"); where[16] = new comefrom("山東", "|濟南|青島|淄博|棗莊|東營|煙台|濰坊|濟寧|泰安|威海|日照|萊蕪|臨沂|德州|聊城|濱州|菏澤"); where[17] = new comefrom("河南", "|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|信陽|周口|駐馬店|濟源"); where[18] = new comefrom("湖北", "|武漢|宜昌|荊州|襄樊|黃石|荊門|黃岡|十堰|恩施|潛江|天門|仙桃|隨州|鹹寧|孝感|鄂州"); where[19] = new comefrom("湖南", "|長沙|常德|株洲|湘潭|衡陽|岳陽|邵陽|益陽|婁底|懷化|郴州|永州|湘西|張家界"); where[20] = new comefrom("廣東", "|廣州|深圳|珠海|汕頭|東莞|中山|佛山|韶關|江門|湛江|茂名|肇慶|惠州|梅州|汕尾|河源|陽江|清遠|潮州|揭陽|雲浮"); where[21] = new comefrom("廣西", "|南寧|柳州|桂林|梧州|北海|防城港|欽州|貴港|玉林|南寧地區|柳州地區|賀州|百色|河池"); where[22] = new comefrom("海南", "|海口|三亞"); where[23] = new comefrom("四川", "|成都|綿陽|德陽|自貢|攀枝花|廣元|內江|樂山|南充|宜賓|廣安|達川|雅安|眉山|甘孜|涼山|泸州"); where[24] = new comefrom("貴州", "|貴陽|六盤水|遵義|安順|銅仁|黔西南|畢節|黔東南|黔南"); where[25] = new comefrom("雲南", "|昆明|大理|曲靖|玉溪|昭通|楚雄|紅河|文山|思茅|西雙版納|保山|德宏|麗江|怒江|迪慶|臨滄"); where[26] = new comefrom("西藏", "|拉薩|日喀則|山南|林芝|昌都|阿裡|那曲"); where[27] = new comefrom("陝西", "|西安|寶雞|鹹陽|銅川|渭南|延安|榆林|漢中|安康|商洛"); where[28] = new comefrom("甘肅", "|蘭州|嘉峪關|金昌|白銀|天水|酒泉|張掖|武威|定西|隴南|平涼|慶陽|臨夏|甘南"); where[29] = new comefrom("寧夏", "|銀川|石嘴山|吳忠|固原"); where[30] = new comefrom("青海", "|西寧|海東|海南|海北|黃南|玉樹|果洛|海西"); where[31] = new comefrom("新疆", "|烏魯木齊|石河子|克拉瑪依|伊犁|巴音郭勒|昌吉|克孜勒蘇柯爾克孜|博爾塔拉|吐魯番|哈密|喀什|和田|阿克蘇"); where[32] = new comefrom("香港", ""); where[33] = new comefrom("澳門", ""); where[34] = new comefrom("台灣", "|台北|高雄|台中|台南|屏東|南投|雲林|新竹|彰化|苗栗|嘉義|花蓮|桃園|宜蘭|基隆|台東|金門|馬祖|澎湖"); where[35] = new comefrom("其它", "|北美洲|南美洲|亞洲|非洲|歐洲|大洋洲"); function select() { with (document.creator.province) { var loca2 = options[selectedIndex].value; } for (i = 0; i < where.length; i++) { if (where[i].loca == loca2) { loca3 = (where[i].locacity).split("|"); for (j = 0; j < loca3.length; j++) { with (document.creator.city) { length = loca3.length; options[j].text = loca3[j]; options[j].value = loca3[j]; var loca4 = options[selectedIndex].value; } } break; } } document.creator.newlocation.value = loca2 + loca4; } function init() { with (document.creator.province) { length = where.length; for (k = 0; k < where.length; k++) { options[k].text = where[k].loca; options[k].value = where[k].loca; } options[selectedIndex].text = where[0].loca; options[selectedIndex].value = where[0].loca; } with (document.creator.city) { loca3 = (where[0].locacity).split("|"); length = loca3.length; for (l = 0; l < length; l++) { options[l].text = loca3[l]; options[l].value = loca3[l]; } options[selectedIndex].text = loca3[0]; options[selectedIndex].value = loca3[0]; } } </script> <font color="#000000"><b>來自：</b> 省份<select name="province" onchange="select()"></select>城市<select name="city" onchange="select()"> </select> 我在<input type="text" name="newlocation" maxlength="12" size="12" style="font-weight: bold" /> </font> </form> </body> </html>