hanliuxinming 2012-04-29
<script> //构造2个数组 var detail_show = new Array(); var detail_value = new Array(); detail_show[0] = new Array(); detail_value[0] = new Array(); detail_show[0][0] = '上海'; detail_value[0][0] = '0101'; detail_show[0][1] = '北京'; detail_value[0][1] = '0102'; detail_show[0][2] = '广州'; detail_value[0][2] = '0103'; detail_show[1] = new Array(); detail_value[1] = new Array(); detail_show[1][0] = '纽约'; detail_value[1][0] = '0201'; detail_show[1][1] = '华盛顿'; detail_value[1][1] = '0202'; detail_show[1][2] = '加州'; detail_value[1][2] = '0203'; detail_show[2] = new Array(); detail_value[2] = new Array(); detail_show[2][0] = '伦敦'; detail_value[2][0] = '0301'; detail_show[2][1] = '利物浦'; detail_value[2][1] = '0302'; detail_show[2][2] = '伯明翰'; detail_value[2][2] = '0303'; function change(target) { //获取级联的下拉列表 var deselect = document.getElementById("deselect"); //清空第二个下拉列表的选项 deselect.innerHTML = null; var m = target.selectedIndex; if (m >= 0) { for (i = 0; i < detail_show[m].length; i++) { //循环构造很多option,然后放在指定的option中 //new Option(show,value)可以构造一个一个的option deselect.options[i] = new Option(detail_show[m][i], detail_value[m][i]); } //设置默认选中第一个列表项 deselect.options[0].selected = true; } } </script> <!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> <title>级联菜单</title> <meta name="author" content="Yeeku.H.Lee" /> <meta http-equiv="Content-Type" content="text/html; charset=GBK" /> <link href="css/css.css" rel="stylesheet" type="text/css" /> </head> <body> <div align="center"> <h2> 级联菜单 </h2> <form id="flyform"> <select name="caselect" id="caselect" style="width: 80" onchange="change(this)";> <option value="01"> 中国 </option> <option value="02"> 美国 </option> <option value="03"> 英国 </option> </select> <select name="deselect" id="deselect" style="width: 150"> </select> </form> </div> </body> </html>
结束数据方法的参数,该如何定义?-- 集合为自定义实体类中的结合属性,有几个实体类,改变下标就行了。<input id="add" type="button" value="新增visitor&quo
本文实例讲述了php+ ajax 实现的写入数据库操作。分享给大家供大家参考,具体如下:。<input class="tel" type="text" placeholder="请输入您的手机号码&q