<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script type="text/javascript">
var shengarr = ["湖北省", "湖南省", "广东省"];
var city = [["武汉", "荆州", "仙桃", "恩施"], ["长沙", "湘潭", "岳阳", "韶山"], ["东莞", "广州", "佛山", "汕头"]];
window.onload=function insertfun() {
var vsheng = document.getElementById("sheng");
for (var i = 0; i < shengarr.length; i++) {
var opp = document.createElement("option");
opp.innerHTML = shengarr[i];
opp.value = i;
vsheng.appendChild(opp);
}
insertcityfun();
}
function insertcityfun() {
var id = document.getElementById("sheng").value;
var vshi = document.getElementById("shi");
vshi.options.length = 0;
var cityarr = city[parseInt(id)];
for (var i = 0; i < cityarr.length; i++) {
var cpp = document.createElement("option");
cpp.innerHTML = cityarr[i];
cpp.value = i;
vshi.appendChild(cpp);
}
}
</script>
</head>
<body>
<!--省市联动-->
<select id="sheng" onchange="insertcityfun()">
</select>
<select id="shi"></select>
</body>
</html>
原文地址：https://www.cnblogs.com/JonlyZhang/p/9858835.html
时间： 2024-08-07 03:39:19