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【js与jquery】三级联动菜单的制作

發布時間:2024/4/14 编程问答 25 豆豆
生活随笔 收集整理的這篇文章主要介紹了 【js与jquery】三级联动菜单的制作 小編覺得挺不錯的,現在分享給大家,幫大家做個參考.

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1.效果如圖所示:


2.html代碼:

[php]?view plaincopy

  • ????<li><span?class="receiving">所在地區:</span>??

  • <span?id="addr_select">??

  • ????????<select?id='province_select'?name='province'></select>???

  • ????????<span?id="city_select_poss"?class="ssq"></span>??

  • ????????<span?id="town_select_poss"?class="ssq"></span>??

  • </span>??

  • <font?color="#FF0000">*</font>??

  • ????</li>??

  • ?????<li>??

  • ?<span?class="receiving">街道地址:</span><span?id="pre-address"></span>??

  • ?<input?type="text"?id="add_addr_input"?name="address"?value=""?style="width:?180px;"/>??

  • ?<font?color="#FF0000">?*</font><em?id="add_addr_input_info"></em>??

  • ????</li>??

  • ?????<li>??

  • ?<span?class="receiving">郵政編碼:</span>??

  • ?<input?type="text"?value=""?id="postcode_add"?name="postcode"?style="width:?180px;"/>??

  • ?<font?color="#FF0000">?</font>??

  • t;/li>??


  • 3.jquery代碼:

    [php]?view plaincopy

  • $(document).ready(function(){??

  • ????province_list();//加載省份下拉菜單??

  • ????$("#province_select").change(function(){//省份選項發生改變時??

  • ????????var?province?=?$("#province_select").val();??

  • ????????$("#pre-address").html(province);??

  • ????????showcity(province);//省份發生變化時,城市下拉菜單也要隨之變化??

  • ????????$("#postcode_add").attr('value',?'');//在選擇town項時,會自動獲取郵政編碼??

  • ????})??

  • })??

  • ??

  • //省份下拉菜單??

  • function?province_list(){??

  • ????$.getJSON('/?c=addr&a=getprovince',??

  • ????????????{},??

  • ????????????function(data){??

  • ????????????????$("#province_select").append("");??

  • ????????????????$.each(data,function(i,k){??

  • ????????????????????if?(?i==0?)?{??

  • ????????????????????????$("#province_select").append("<option?selected>請選擇</option><option?value='"+k.local_name+"'?>"+k.local_name+"</option>");??

  • ????????????????????????showcity(k.local_name);??

  • ????????????????????}?else?{??

  • ????????????????????????$("#province_select").append("<option?value='"+k.local_name+"'>"+k.local_name+"</option>");??

  • ????????????????????}??

  • ????????????????})??

  • ????????????});??

  • }??

  • //顯示城市下拉菜單??

  • function?showcity(province){??

  • ????$.getJSON('/?c=addr&a=getcity',??

  • ????????????{province:province},??

  • ????????????function(data){??

  • ????????????????$("#city_select_poss").html("");??

  • ????????????????$("#town_select_poss").html("");??

  • ????????????????if?(data)?{??

  • ????????????????????$("#city_select_poss").html("<select?id='city_select'?name='city'?onChange='city_select_function();'></select>");??

  • ????????????????}??

  • ????????????????$("#city_select").html("");??

  • ????????????????$.each(data,function(i,k){??

  • ????????????????????if?(?i?==?0){??

  • ????????????????????????$("#city_select").append("<option??selected>請選擇</option><option?value='"+k.local_name+"'>"+k.local_name+"</option>");??

  • ????????????????????????var?addr?=?province?+?k.local_name;??

  • ????????????????????????//$("#pre-address").html(addr);??

  • ????????????????????????showtown(k.local_name);??

  • ????????????????????}?else?{??

  • ????????????????????????$("#city_select").append("<option?value='"+k.local_name+"'>"+k.local_name+"</option>");??

  • ????????????????????}??

  • ????????????????})??

  • ????????????})??

  • }??

  • ??

  • //顯示城鄉下拉菜單??

  • function?showtown(city){??

  • ????$.getJSON('/?c=addr&a=gettown',??

  • ????????????{city:city},??

  • ????????????function(data){??

  • ????????????????if?(data)?{??

  • ????????????????????$("#town_select_poss").html("<select?id='town_select'?name='town'?οnchange='town_select_function();'></select>");??

  • ????????????????}?else?{??

  • ????????????????????$("#town_select_poss").html("");??

  • ????????????????}??

  • ????????????????$("#town_select").html("");??

  • ????????????????$.each(data,function(i,k){??

  • ????????????????????if?(?i?==?0?)?{??

  • ????????????????????????$("#town_select").append("<option?selected>請選擇</option><option?value='"+k.local_name+"'>"+k.local_name+"</option>");??

  • ????????????????????}?else?{??

  • ????????????????????????$("#town_select").append("<option?value='"+k.local_name+"'>"+k.local_name+"</option>");??

  • ????????????????????}??

  • ????????????????})??

  • ????????????}??

  • ????????????)??

  • }??

  • //獲取郵政編碼??

  • function?getPostCode(town,?city,?province,id){??

  • ????$.get('/?c=addr&a=getpost',??

  • ????????????{town:town,city:city,province:province},??

  • ????????????function(?data?){??

  • ????????????????if?(?data?>?0?)?{??

  • ????????????????????if?(?id?==?""?||?id==?undefined)?{??

  • ????????????????????????$("#postcode_add").attr('value',?data);??

  • ????????????????????}?else?{??

  • ????????????????????????$("#"+id+"postcode_add").attr('value',?data);??

  • ????????????????????}??

  • ????????????????}?else?{??

  • ????????????????????//$("#postcode_add").attr('value',?'');??

  • ????????????????????if?(?id?==?""?||?id==?undefined)?{??

  • ????????????????????????$("#postcode_add").attr('value',?'');??

  • ????????????????????}?else?{??

  • ????????????????????????$("#"+id+"postcode_add").attr('value',?'');??

  • ????????????????????}??

  • ????????????????}??

  • ????????????}??

  • ????????)??

  • }??

  • ??

  • //城市選項發生改變時,觸發此函數??

  • function?city_select_function()?{??

  • ????var?province?=?$("#province_select").find("option:selected").text();??

  • ????var?city?=?$("#city_select").find("option:selected").text();??

  • ????var?addr?=?province?+?city;??

  • ????$("#pre-address").html(addr);??

  • ????showtown(city);??

  • ????var?town?=?$("#town_select").find("option:selected").text();??

  • ????getPostCode(town,?city,?province);??

  • }??

  • ??

  • //城鄉選項發生變化時,觸發此函數??

  • function?town_select_function(){??

  • ????var?province?=?$("#province_select").find("option:selected").text();??

  • ????var?city?=?$("#city_select").find("option:selected").text();??

  • ????var?town?=?$("#town_select").find("option:selected").text();??

  • ????var?addr?=?province?+?city?+?town;??

  • ????$("#pre-address").html(addr);??

  • ????getPostCode(town,?city,?province);??

  • }??


  • 轉載于:https://my.oschina.net/yonghan/blog/524060

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