js實現仿阿裡巴巴城市選擇框效果實例
編輯：JavaScript綜合知識
本文實例講述了js實現仿阿裡巴巴城市選擇框效果。分享給大家供大家參考。具體分析如下：
這並不是一個城市選擇插件，在這裡介紹只是為了mark一下二級聯動的方法，此效果適用於有二級子菜單的效果，如導航欄、城市選擇、類別選擇等等。
樣式效果是基於阿裡的樣式，懶得做其他調整，在area.css中僅僅是為了修改浏覽器兼容性略做了一點調整。
城市數據是通過js構造，當然也可以通過後端取得數據，不過感覺沒必要。
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 <!doctype html> <html> <head> <meta charset="utf-8"> <script type="text/javascript" src="http://code.jquery.com/jquery-1.10.1.js"></script> <script type="text/javascript" src="area.js"></script> <link rel="stylesheet" href="area.css" type="text/css" /> <style type="text/css"> /*reset css*/ *{margin:0;padding:0;} a{text-decoration: none;} /*appearence css*/ .area{height: 32px;line-height: 32px;font-size: 12px;background-color: #f8f8f8;border: 1px solid #ccc;border-top: 2px solid #ff8033;} .area b{color: #333;margin: 0 13px 0 10px;float: left;} .def_box{display: block;float: left;background-color: #fff;padding: 0 18px 0 10px;border: 1px solid #ccc;height: 20px;margin-top: 5px;line-height: 20px;cursor: pointer;position: relative;z-index: 300;} </style> </head> <body> <div class="area"> <b>地區：</b> <span class="def_box">選擇地區</span> </div> </body> </html>area.css代碼如下：
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 .sw-ui-area-box{position:absolute;left:0px;top:20px;width:446px;padding:3px;padding-top:2px;line-height:22px;z-index:88;background:#fff;border:1px solid #b2b2b2;box-shadow:0 0 3px #a8a8a8;} .sw-ui-area-bg{position:absolute;left:0;top:0;width:100%;_padding:3px;height:100%;*height:265px;} .sw-ui-area-body{background:#fff;position:relative;z-index:2;*zoom:1;padding:0 4px;} .sw-ui-area-box-link, .sw-ui-area-box-link:link,.sw-ui-area-box-link:visited{display:block;min-width:54px;padding-left:8px;color:#333;} .sw-ui-area-box-focus, .sw-ui-area-box-link:hover{background-color:#f5f5f5;color:#333;} .sw-ui-area-box-focus{background-color:#e6e6e6!important;} .sw-ui-area-box-nfocus{color:#f77400!important;background-color:#ffebd8!important;} .sw-ui-area-box-item{float:left;list-style-type: none;margin-bottom: 4px;display: inline-block;height:22px;line-height:22px!important;} .sw-ui-area-ab-all, .sw-ui-area-abArea, .sw-ui-area-ab-prov{padding:6px 0 6px 2px;} .sw-ui-area-ab-all{position:relative;*zoom:1;z-index:20;} .sw-area-abAll-link{padding-left:8px;} .sw-ui-area-abArea{overflow:hidden;border-bottom:1px dashed #ddd;*zoom:1;} .sw-ui-area-industryDistrict-area{overflow:hidden;border-bottom:1px dashed #ddd;padding-bottom:6px;padding-top:6px;*zoom:1;} .sw-ui-area-industryDistrict{color:#CB7575;font-weight:bold;padding-top:12px;padding-left:8px;padding-bottom:0;} .sw-ui-area-abArea-item{float:left;width:60px;line-height:20px;margin-right:24px;padding:1px 0;_display:inline;} .sw-ui-area-ab-prov, .sw-ui-area-ab-prov-items{*zoom:1;} .sw-ui-area-ab-prov:after, .sw-ui-area-ab-prov-items:after{content:".";display:block;height:0;clear:both;visibility: hidden;} .sw-ui-area-abProv-im{position:relative;float:left;margin-right:24px;width:60px;padding:2px 0;_display:inline;} .sw-ui-area-abAll-nearArea{position:absolute;top:6px;left:255px;} .sw-ui-area-abAll-abpd{padding:0px;position:absolute;top:6px;left:320px;} .sw-ui-area-abAll-abpd-item{padding:0px;} .sw-ui-area-abAll-abpd-city{font-weight:700;} .sw-ui-area-ab-prov-itemLink{color:#333 !important;background:url(/static/img/filter.png) no-repeat 36px -72px;} .sw-ui-area-ab-prov-itemLink:hover{background-color:#f5f5f5;} .sw-ui-area-ab-prov-show{z-index:99;} .sw-ui-area-ab-prov-show .sw-ui-area-ab-prov-items{display:block !important;} .sw-ui-area-ab-prov-items{display:none;width:188px;position:absolute;left:0px;top:24px;background:#f8f8f8;border:1px solid #a4a4a4;padding:6px;z-index:110;} .sm-mod-currentType .sw-ui-area-ab-prov-items{left:6px;} .sw-ui-area-ab-prov-item{float:left;width:64px;overflow:hidden;padding:2px 0;} .sw-ui-area-abProv-itemsubLink{color:#333 !important;overflow:hidden;height:22px;} .sw-ui-area-abProv-itemsubLink:hover{background:#f5f5f5;color:#333 !important;}area.js代碼如下：
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 var cityInit = ['請選擇省份']; var cityArr = new Array(); //cityArr[0] = new Array("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"); //cityArr[1] = new Array("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"); //cityArr[2] = new Array("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"); //cityArr[3] = new Array("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"); cityArr[0] = new Array("北京","北京"); cityArr[1] = new Array("上海","上海"); cityArr[2] = new Array("天津","天津"); cityArr[3] = new Array("重慶","重慶"); cityArr[4] = new Array("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"); cityArr[5] = new Array("山西","太原|大同|陽泉|長治|晉城|朔州|呂梁|忻州|晉中|臨汾|運城"); cityArr[6] = new Array("陝西","西安|寶雞|鹹陽|銅川|渭南|延安|榆林|漢中|安康|商洛"); cityArr[7] = new Array("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"); cityArr[8] = new Array("吉林","長春|吉林|四平|遼源|通化|白山|松原|白城|延邊"); cityArr[9] = new Array("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"); cityArr[10] = new Array("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"); cityArr[11] = new Array("浙江","杭州|寧波|溫州|嘉興|湖州|紹興|金華|衢州|舟山|台州|麗水"); cityArr[12] = new Array("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"); cityArr[13] = new Array("福建","福州|廈門|莆田|三明|泉州|漳州|南平|龍巖|寧德"); cityArr[14] = new Array("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"); cityArr[15] = new Array("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"); cityArr[16] = new Array("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"); cityArr[17] = new Array("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"); cityArr[18] = new Array("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"); cityArr[19] = new Array("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"); cityArr[20] = new Array("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"); cityArr[21] = new Array("海南","海口|三亞"); cityArr[22] = new Array("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"); cityArr[23] = new Array("貴州","貴陽|六盤水|遵義|安順|銅仁|黔西南|畢節|黔東南|黔南"); cityArr[24] = new Array("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"); cityArr[25] = new Array("西藏","拉薩|日喀則|山南|林芝|昌都|阿裡|那曲"); cityArr[26] = new Array("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"); cityArr[27] = new Array("寧夏","銀川|石嘴山|吳忠|固原"); cityArr[28] = new Array("青海","西寧|海東|海南|海北|黃南|玉樹|果洛|海西"); cityArr[29] = new Array("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"); cityArr[30] = new Array("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"); cityArr[31] = new Array("香港","香港"); cityArr[32] = new Array("澳門","澳門"); cityArr[33] = new Array("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"); var Search = function(){ return { initArea : function(){ var provinceLen = cityArr.length;//共多少個省市自治區 var areaArr = []; var provinceArr = []; areaArr.push('<div class="sw-ui-area-box"><div class="sw-ui-area-bg"></div><div class="sw-ui-area-body"><div class="sw-ui-area-ab-all">'); areaArr.push('<ul class="sw-ui-area-ab-prov">');//構造省 for(var i = 0; i< provinceLen; i ++){ var p = cityArr[i][0]; var pArr = new Array(); var csArr = cityArr[i][1].split("|"); var csLen = csArr.length; pArr.push('<li class="sw-ui-area-box-item sw-ui-area-abProv-im">'); pArr.push('<a class="sw-ui-area-box-link sw-ui-area-ab-prov-itemLink " href="#" p="'+p+'" c="" v="'+p+'">'+p+'</a>'); pArr.push('<ul class="sw-ui-area-ab-prov-items">'); for(var j = 0;j < csLen ;j++){//構造市 var c = csArr[j]; pArr.push('<li class="sw-ui-area-box-item">'); pArr.push('<a class="sw-ui-area-box-link sw-ui-area-abProv-itemsubLink " href="#" p="'+p+'" c="'+c+'" v="'+c+'">'+c+'</a>'); pArr.push('</li>'); } pArr.push('</ul>'); var pStr = pArr.join(""); areaArr.push(pStr); }//end for areaArr.push('</ul>');//結束省 areaArr.push('</div></div></div>'); var areaStr = areaArr.join(""); $(".area .def_box").append(areaStr); }, //選擇地區 areaEffect : function(){ //顯示全部區域及省份 $(".def_box").hover(function(){ $(this).find(".sw-ui-area-box").show(); },function(){ $(this).find(".sw-ui-area-box").hide(); }); //顯示省級以下的市級城市 $(".sw-ui-area-box-item").hover(function(){ $(this).css("z-index","90").find(".sw-ui-area-ab-prov-items").show(); },function(){ $(this).css("z-index","0").find(".sw-ui-area-ab-prov-items").hide(); }); } } }(); $(function(){ Search.initArea(); Search.areaEffect(); })效果圖：
希望本文所述對大家的javascript程序設計有所幫助。
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