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省市區(qū)三級聯(lián)動jquery實現(xiàn)代碼

 更新時間：2020年04月15日 16:33:01   作者：Sam鐘林森  
這篇文章主要為大家詳細紹了省市區(qū)三級聯(lián)動jquery實現(xiàn)代碼，文中示例代碼介紹的非常詳細，具有一定的參考價值，感興趣的小伙伴們可以參考一下

最近項目需要用到關于省市區(qū)三級聯(lián)動下拉選擇的功能，于是乎網(wǎng)上搜了一些做法，覺得有一些只是給出了小的案例，卻很難找到詳細的省、市、區(qū)的具體數(shù)據(jù)（其實，用baidu搜索就是這樣啦），果斷用google，搜出來的博文質量相當高，特此記錄記錄！！！

對于這個效果，其實我發(fā)現(xiàn)主要在于兩點：1、jquery的篩選遍歷操作；2、存儲省、市、區(qū)這些數(shù)據(jù)時候的格式。另外一點是如何將獲取得到的數(shù)據(jù)放到select option中（即下拉框中?。?/p>

對于第一個問題的解決，其實熟悉Jquery的博友估計是不難的，主要涉及：find，eq，attr等函數(shù)的操作。下面是其中涉及到的一個案例：用于獲取省的所有數(shù)據(jù)，并將其放到下拉框中：

function func_suc_getXmlProvice(xml) { 
 //jquery的查找功能 
 var sheng = $(xml).find("prov"); 
 
 //jquery的遍歷與查詢匹配 eq功能,并將其放到下拉框中 
 sheng.each(function(i) { 
 province.append("<option value=" + i + ">" 
 + sheng.eq(i).attr("text") + "</option>"); 
 }); 
 }

下面進入正題，建立一個動態(tài)web工程，然后將下面講到的html、js文件、存放省市區(qū)xml文件 都放在Web-Contetn下即可。首先看一看前端html文件province_city_select.html：

<!DOCTYPE html> 
<html> 
<head> 
<meta charset="UTF-8"> 
<title>省市區(qū)三級聯(lián)動</title> 
<script type="text/javascript" src="jquery-1.8.3.min.js"></script> 
<script type="text/javascript" src="province_city.js"></script> 
</head> 
<body> 
 <select id="province" name="province"> 
 </select> 
 <select id="city" name="city"> 
 </select> 
 <select id="area" name="area"> 
 </select> 
 <div> 
 地址是：<span id="pro_city"></span> <input id="txtProCity" type="text" /> 
 </div> 
</body> 
</html>

然后注意放進jquery-1.8.3.min.js，可以來我這里下來：jquery庫文件。然后需要新建province_city.js，其源碼如下：

$(function() { 
 
 var address = $("#pro_city"); 
 var province = $("#province"); 
 var city = $("#city"); 
 var area = $("#area"); 
 var preProvince = "<option value=\"\">選擇?。ㄊ校?lt;/option>"; 
 var preCity = "<option value=\"\">選擇市（區(qū)）</option>"; 
 var preArea = "<option value=\"\">選擇區(qū)（縣）</option>"; 
 
 //初始化 
 province.html(preProvince); 
 city.html(preCity); 
 area.html(preArea); 
 
 //文檔加載完畢:即從province_city_select_Info.xml獲取數(shù)據(jù),成功之后采用 
 //func_suc_getXmlProvice進行 省的 解析 
 $.ajax({ 
 type : "GET", 
 url : "province_city_select_Info.xml", 
 success : func_suc_getXmlProvice 
 }); 
 
 //省 下拉選擇發(fā)生變化觸發(fā)的事件 
 province.change(function() { 
 //province.val() : 返回是每個省對應的下標,序號從0開始 
 if (province.val() != "") { 
  city.html(preCity); 
  
  //根據(jù)下拉得到的省對于的下標序號,動態(tài)從從province_city_select_Info.xml獲取數(shù)據(jù),成功之后采用 
  //func_suc_getXmlProvice進行省對應的市的解析 
  $.ajax({ 
  type : "GET", 
  url : "province_city_select_Info.xml", 
  success : func_suc_getXmlCity 
  }); 
  
 } 
 }); 
 
 //市 下拉選擇發(fā)生變化觸發(fā)的事件 
 city.change(function() { 
 area.html(preArea); 
 $.ajax({ 
  type : "GET", 
  url : "province_city_select_Info.xml", 
  
  //根據(jù)下拉得到的省、市對于的下標序號,動態(tài)從從province_city_select_Info.xml獲取數(shù)據(jù),成功之后采用 
  //func_suc_getXmlArea進行省對應的市對于的區(qū)的解析 
  success : func_suc_getXmlArea 
 }); 
 }); 
 
 //區(qū) 下拉選擇發(fā)生變化觸發(fā)的事件 
 area.change(function() { 
 var value = province.find("option:selected").text() 
  + city.find("option:selected").text() 
  + area.find("option:selected").text(); 
 address.text(value); 
 $("#txtProCity").val(value); 
 }); 
 
 //解析獲取xml格式文件中的prov標簽,得到所有的省,并逐個進行遍歷 放進下拉框中 
 function func_suc_getXmlProvice(xml) { 
 //jquery的查找功能 
 var sheng = $(xml).find("prov"); 
  
 //jquery的遍歷與查詢匹配 eq功能,并將其放到下拉框中 
 sheng.each(function(i) { 
  province.append("<option value=" + i + ">" 
   + sheng.eq(i).attr("text") + "</option>"); 
 }); 
 } 
 
 function func_suc_getXmlCity(xml) { 
 var xml_sheng = $(xml).find("prov"); 
 var pro_num = parseInt(province.val()); 
 var xml_shi = xml_sheng.eq(pro_num).find("city"); 
 xml_shi.each(function(j) { 
  city.append("<option value=" + j + ">" 
   + xml_shi.eq(j).attr("text") + "</option>"); 
 }); 
 } 
 
 function func_suc_getXmlArea(xml) { 
 var xml_sheng = $(xml).find("prov"); 
 var pro_num = parseInt(province.val()); 
 var xml_shi = xml_sheng.eq(pro_num).find("city"); 
 var city_num = parseInt(city.val()); 
 var xml_xianqu = xml_shi.eq(city_num).find("county"); 
 xml_xianqu.each(function(k) { 
  area.append("<option value=" + k + ">" 
   + xml_xianqu.eq(k).attr("text") + "</option>"); 
 }); 
 } 
});

然后，重點來了，當然是province_city_select_Info.xml里面的內容啦，因為比較多，我只貼出一部分，如下所示，其余的可以到我這里來下載：省市區(qū)三級數(shù)據(jù)

<prov id="130000" text="河北省"> 
 <city id="130100" text="石家莊市"> 
  <county id="130102" text="長安區(qū)"></county> 
  <county id="130103" text="橋東區(qū)"></county> 
  <county id="130104" text="橋西區(qū)"></county> 
  <county id="130105" text="新華區(qū)"></county> 
  <county id="130107" text="井陘礦區(qū)"></county> 
  <county id="130108" text="裕華區(qū)"></county> 
  <county id="130121" text="井陘縣"></county> 
  <county id="130123" text="正定縣"></county> 
  <county id="130124" text="欒城縣"></county> 
  <county id="130125" text="行唐縣"></county> 
  <county id="130126" text="靈壽縣"></county> 
  <county id="130127" text="高邑縣"></county> 
  <county id="130128" text="深澤縣"></county> 
  <county id="130129" text="贊皇縣"></county> 
  <county id="130130" text="無極縣"></county> 
  <county id="130131" text="平山縣"></county> 
  <county id="130132" text="元氏縣"></county> 
  <county id="130133" text="趙縣"></county> 
  <county id="130181" text="辛集市"></county> 
  <county id="130182" text="藁城市"></county> 
  <county id="130183" text="晉州市"></county> 
  <county id="130184" text="新樂市"></county> 
  <county id="130185" text="鹿泉市"></county> 
 </city> 
 <city id="130200" text="唐山市"> 
  <county id="130202" text="路南區(qū)"></county> 
  <county id="130203" text="路北區(qū)"></county> 
  <county id="130204" text="古冶區(qū)"></county> 
  <county id="130205" text="開平區(qū)"></county> 
  <county id="130207" text="豐南區(qū)"></county> 
  <county id="130208" text="豐潤區(qū)"></county> 
  <county id="130223" text="灤縣"></county> 
  <county id="130224" text="灤南縣"></county> 
  <county id="130225" text="樂亭縣"></county> 
  <county id="130227" text="遷西縣"></county> 
  <county id="130229" text="玉田縣"></county> 
  <county id="130230" text="唐?？h"></county> 
  <county id="130281" text="遵化市"></county> 
  <county id="130283" text="遷安市"></county> 
 </city> 
 <city id="130300" text="秦皇島市"> 
  <county id="130302" text="海港區(qū)"></county> 
  <county id="130303" text="山海關區(qū)"></county> 
  <county id="130304" text="北戴河區(qū)"></county> 
  <county id="130321" text="青龍滿族自治縣"></county> 
  <county id="130322" text="昌黎縣"></county> 
  <county id="130323" text="撫寧縣"></county> 
  <county id="130324" text="盧龍縣"></county> 
 </city> 
 <city id="130400" text="邯鄲市"> 
  <county id="130402" text="邯山區(qū)"></county> 
  <county id="130403" text="叢臺區(qū)"></county> 
  <county id="130404" text="復興區(qū)"></county> 
  <county id="130406" text="峰峰礦區(qū)"></county> 
  <county id="130421" text="邯鄲縣"></county> 
  <county id="130423" text="臨漳縣"></county> 
  <county id="130424" text="成安縣"></county> 
  <county id="130425" text="大名縣"></county> 
  <county id="130426" text="涉縣"></county> 
  <county id="130427" text="磁縣"></county> 
  <county id="130428" text="肥鄉(xiāng)縣"></county> 
  <county id="130429" text="永年縣"></county> 
  <county id="130430" text="邱縣"></county> 
  <county id="130431" text="雞澤縣"></county> 
  <county id="130432" text="廣平縣"></county> 
  <county id="130433" text="館陶縣"></county> 
  <county id="130434" text="魏縣"></county> 
  <county id="130435" text="曲周縣"></county> 
  <county id="130481" text="武安市"></county> 
 </city> 
 <city id="130500" text="邢臺市"> 
  <county id="130502" text="橋東區(qū)"></county> 
  <county id="130503" text="橋西區(qū)"></county> 
  <county id="130521" text="邢臺縣"></county> 
  <county id="130522" text="臨城縣"></county> 
  <county id="130523" text="內丘縣"></county> 
  <county id="130524" text="柏鄉(xiāng)縣"></county> 
  <county id="130525" text="隆堯縣"></county> 
  <county id="130526" text="任縣"></county> 
  <county id="130527" text="南和縣"></county> 
  <county id="130528" text="寧晉縣"></county> 
  <county id="130529" text="巨鹿縣"></county> 
  <county id="130530" text="新河縣"></county> 
  <county id="130531" text="廣宗縣"></county> 
  <county id="130532" text="平鄉(xiāng)縣"></county> 
  <county id="130533" text="威縣"></county> 
  <county id="130534" text="清河縣"></county> 
  <county id="130535" text="臨西縣"></county> 
  <county id="130581" text="南宮市"></county> 
  <county id="130582" text="沙河市"></county> 
 </city> 
 <city id="130600" text="保定市"> 
  <county id="130602" text="新市區(qū)"></county> 
  <county id="130603" text="北市區(qū)"></county> 
  <county id="130604" text="南市區(qū)"></county> 
  <county id="130621" text="滿城縣"></county> 
  <county id="130622" text="清苑縣"></county> 
  <county id="130623" text="淶水縣"></county> 
  <county id="130624" text="阜平縣"></county> 
  <county id="130625" text="徐水縣"></county> 
  <county id="130626" text="定興縣"></county> 
  <county id="130627" text="唐縣"></county> 
  <county id="130628" text="高陽縣"></county> 
  <county id="130629" text="容城縣"></county> 
  <county id="130630" text="淶源縣"></county> 
  <county id="130631" text="望都縣"></county> 
  <county id="130632" text="安新縣"></county> 
  <county id="130633" text="易縣"></county> 
  <county id="130634" text="曲陽縣"></county> 
  <county id="130635" text="蠡縣"></county> 
  <county id="130636" text="順平縣"></county> 
  <county id="130637" text="博野縣"></county> 
  <county id="130638" text="雄縣"></county> 
  <county id="130681" text="涿州市"></county> 
  <county id="130682" text="定州市"></county> 
  <county id="130683" text="安國市"></county> 
  <county id="130684" text="高碑店市"></county> 
 </city> 
 <city id="130700" text="張家口市"> 
  <county id="130702" text="橋東區(qū)"></county> 
  <county id="130703" text="橋西區(qū)"></county> 
  <county id="130705" text="宣化區(qū)"></county> 
  <county id="130706" text="下花園區(qū)"></county> 
  <county id="130721" text="宣化縣"></county> 
  <county id="130722" text="張北縣"></county> 
  <county id="130723" text="康?？h"></county> 
  <county id="130724" text="沽源縣"></county> 
  <county id="130725" text="尚義縣"></county> 
  <county id="130726" text="蔚縣"></county> 
  <county id="130727" text="陽原縣"></county> 
  <county id="130728" text="懷安縣"></county> 
  <county id="130729" text="萬全縣"></county> 
  <county id="130730" text="懷來縣"></county> 
  <county id="130731" text="涿鹿縣"></county> 
  <county id="130732" text="赤城縣"></county> 
  <county id="130733" text="崇禮縣"></county> 
 </city> 
 <city id="130800" text="承德市"> 
  <county id="130802" text="雙橋區(qū)"></county> 
  <county id="130803" text="雙灤區(qū)"></county> 
  <county id="130804" text="鷹手營子礦區(qū)"></county> 
  <county id="130821" text="承德縣"></county> 
  <county id="130822" text="興隆縣"></county> 
  <county id="130823" text="平泉縣"></county> 
  <county id="130824" text="灤平縣"></county> 
  <county id="130825" text="隆化縣"></county> 
  <county id="130826" text="豐寧滿族自治縣"></county> 
  <county id="130827" text="寬城滿族自治縣"></county> 
  <county id="130828" text="圍場滿族蒙古族自治縣"></county> 
 </city> 
 <city id="130900" text="滄州市"> 
  <county id="130902" text="新華區(qū)"></county> 
  <county id="130903" text="運河區(qū)"></county> 
  <county id="130921" text="滄縣"></county> 
  <county id="130922" text="青縣"></county> 
  <county id="130923" text="東光縣"></county> 
  <county id="130924" text="海興縣"></county> 
  <county id="130925" text="鹽山縣"></county> 
  <county id="130926" text="肅寧縣"></county> 
  <county id="130927" text="南皮縣"></county> 
  <county id="130928" text="吳橋縣"></county> 
  <county id="130929" text="獻縣"></county> 
  <county id="130930" text="孟村回族自治縣"></county> 
  <county id="130981" text="泊頭市"></county> 
  <county id="130982" text="任丘市"></county> 
  <county id="130983" text="黃驊市"></county> 
  <county id="130984" text="河間市"></county> 
 </city> 
 <city id="131000" text="廊坊市"> 
  <county id="131002" text="安次區(qū)"></county> 
  <county id="131003" text="廣陽區(qū)"></county> 
  <county id="131022" text="固安縣"></county> 
  <county id="131023" text="永清縣"></county> 
  <county id="131024" text="香河縣"></county> 
  <county id="131025" text="大城縣"></county> 
  <county id="131026" text="文安縣"></county> 
  <county id="131028" text="大廠回族自治縣"></county> 
  <county id="131081" text="霸州市"></county> 
  <county id="131082" text="三河市"></county> 
 </city> 
 <city id="131100" text="衡水市"> 
  <county id="131102" text="桃城區(qū)"></county> 
  <county id="131121" text="棗強縣"></county> 
  <county id="131122" text="武邑縣"></county> 
  <county id="131123" text="武強縣"></county> 
  <county id="131124" text="饒陽縣"></county> 
  <county id="131125" text="安平縣"></county> 
  <county id="131126" text="故城縣"></county> 
  <county id="131127" text="景縣"></county> 
  <county id="131128" text="阜城縣"></county> 
  <county id="131181" text="冀州市"></county> 
  <county id="131182" text="深州市"></county> 
 </city> 
 </prov>

好了，介紹一下效果：

剛開始的：

下拉選擇省的，然后出現(xiàn)市的，選擇了市的，然后出現(xiàn)了區(qū)的，最后選擇區(qū)的時候，得到地址：

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持腳本之家。

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