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jquery二級聯動城市代碼
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>jQuery 二級聯動</title> <script type="text/javascript" src="jquery-1.5.2.min.js"></script><script type="text/javascript"> var currentShowCity=0;$(document).ready(function(){ $("#province").change(function(){ $("#province option").each(function(i,o){ if($(this).attr("selected")) { $(".city").hide(); $(".city").eq(i).show(); currentShowCity=i; } }); }); $("#province").change();});function getSelectValue(){ alert("1級="+$("#province").val()); $(".city").each(function(i,o){ if(i == currentShowCity){ alert("2級="+$(".city").eq(i).val()); } });}</script> </head> <body> <select id="province"> <option>----請選擇省份----</option> <option>北京</option> <option>上海</option> <option>江蘇</option> </select> <select class="city"> <option>----請選擇城市----</option> </select> <select class="city"> <option>東城</option> <option>西城</option> <option>崇文</option> <option>宣武</option> <option>朝陽</option> </select> <select class="city"> <option>黃浦</option> <option>盧灣</option> <option>徐匯</option> <option>長寧</option> <option>靜安</option> </select> <select class="city"> <option>南京</option> <option>鎮江</option> <option>蘇州</option> <option>南通</option> <option>揚州</option> </select> <INPUT TYPE="button" VALUE="點我" ONCLICK="getSelectValue();"></script></body> </html>
以下是執行個體介面
(實用篇)jQuery二級聯動代碼