<!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(qū)：</b> 
    <span class="def_box">選擇地區(qū)</span> 
  </div> 
</body> 
</html>

area.css代碼如下：

.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：

var cityInit = ['請(qǐng)選擇省份']; 
var cityArr = new Array();  
//cityArr[0] = new Array("北京","東城|西城|崇文|宣武|朝陽|豐臺(tái)|石景山|海淀|門頭溝|房山|通州|順義|昌平|大興|平谷|懷柔|密云|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|閔行|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?xùn)||西青|河西|津南|南開|北辰|河北|武清|紅撟|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|雙撟|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|云陽|奉節(jié)|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|邢臺(tái)|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(yùn)城");  
cityArr[6] = new Array("陜西","西安|寶雞|咸陽|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|七臺(tái)河|大興安嶺");  
cityArr[10] = new Array("江蘇","南京|鎮(zhèn)江|蘇州|南通|揚(yáng)州|鹽城|徐州|連云港|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|臺(tái)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(zhèn)|九江|鷹潭|萍鄉(xiāng)|新馀|贛州|吉安|宜春|撫州|上饒");  
cityArr[15] = new Array("山東","濟(jì)南|青島|淄博|棗莊|東營|煙臺(tái)|濰坊|濟(jì)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(xiāng)|焦作|濮陽|許昌|漯河|三門峽|南陽|商丘|信陽|周口|駐馬店|濟(jì)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|咸寧|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(guān)|江門|湛江|茂名|肇慶|惠州|梅州|汕尾|河源|陽江|清遠(yuǎn)|潮州|揭陽|云浮");  
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(qū)|柳州地區(qū)|賀州|百色|河池");  
cityArr[21] = new Array("海南","?？趞三亞");  
cityArr[22] = new Array("四川","成都|綿陽|德陽|自貢|攀枝花|廣元|內(nèi)江|樂山|南充|宜賓|廣安|達(dá)川|雅安|眉山|甘孜|涼山|瀘州");  
cityArr[23] = new Array("貴州","貴陽|六盤水|遵義|安順|銅仁|黔西南|畢節(jié)|黔東南|黔南");  
cityArr[24] = new Array("云南","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|阿里|那曲");
cityArr[26] = new Array("甘肅","蘭州|嘉峪關(guān)|金昌|白銀|天水|酒泉|張掖|武威|定西|隴南|平?jīng)鰘慶陽|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(nèi)蒙古","呼和浩特|包頭|烏海|赤峰|呼倫貝爾盟|阿拉善盟|哲里木盟|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("臺(tái)灣","臺(tái)北|高雄|臺(tái)中|臺(tái)南|屏東|南投|云林|新竹|彰化|苗栗|嘉義|花蓮|桃園|宜蘭|基隆|臺(tái)東|金門|馬祖|澎湖");  
var Search = function(){ 
  return { 
    initArea : function(){ 
      var provinceLen = cityArr.length;//共多少個(gè)省市自治區(qū) 
      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(gòu)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(gòu)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(jié)束省 
      areaArr.push('</div></div></div>'); 
      var areaStr = areaArr.join(""); 
      $(".area .def_box").append(areaStr); 
    }, 
    //選擇地區(qū) 
    areaEffect : function(){ 
      //顯示全部區(qū)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(jí)以下的市級(jí)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：