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<html> <head> <title>List</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <script LANGUAGE="javascript"> <!-- var onecount; onecount=0; subcat = new Array(); subcat[0] = new Array("徐汇区","01","001"); subcat[1] = new Array("嘉定区","01","002"); subcat[2] = new Array("黄浦区","01","003"); subcat[3] = new Array("南昌市","02","004"); subcat[4] = new Array("九江市","02","005"); subcat[5] = new Array("上饶市","02","006"); onecount=6; function changelocation(locationid) { document.myform.smalllocation.length = 0; var locationid=locationid; var i; document.myform.smalllocation.options[0] = new Option(\\'====所有地区====\\',\\'\\'); for (i=0;i < onecount; i++) { if (subcat[i][1] == locationid) { document.myform.smalllocation.options[document.myform.smalllocation.length] = new Option(subcat[i][0], subcat[i][2]); } } } //--> </script> </head> <body> <form name="myform" method="post"> <select name="biglocation" onChange="changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedIndex].value)"> <option value="01" selected>上海</option> <option value="02">江西</option> </select> <select name="smalllocation"> <option selected value="">==所有地区==</option> </select> </form> <script LANGUAGE="javascript"> <!-- changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedIndex].value); //--> </script> </body> </html> 返回类别: 教程 上一教程: 深入讲解 ASP+ 验证（一） 下一教程: Asp的安全治理（10） 您可以阅读与"下拉框连动的小例子（.htm版）"相关的教程: · 下拉框连动的小例子(数据库版) · 三级下拉框连动的数据库版 · 三层动态下拉菜单的例子 · 网页中实现OICQ里的头像选择的下拉框 · 用DHTML来模仿实现下拉菜单 |
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