jQuery select表单提交省市区城市三级联动,引用的是“jquery-1.7.min”类库，地区码查询地区名用数组存在AreaData_min，下面摘要部分代码：
SelectArea.htm文件
复制代码 代码如下:
<!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=utf-8" />
<title>jQuery select表单提交省市区城市三级联动</title>
<script src="https://www.jb51.net/jquery-1.7.min.js" type="text/javascript"></script>
<script src="https://www.jb51.net/Area.js" type="text/javascript"></script>
<script src="https://www.jb51.net/AreaData_min.js" type="text/javascript"></script>
<script type="text/javascript">
$(function (){
initComplexArea('seachprov', 'seachcity', 'seachdistrict', area_array, sub_array, '44', '0', '0');
});
//得到地区码
function getAreaID(){
var area = 0;
if($("#seachdistrict").val() != "0"){
area = $("#seachdistrict").val();
}else if ($("#seachcity").val() != "0"){
area = $("#seachcity").val();
}else{
area = $("#seachprov").val();
}
return area;
}
function showAreaID() {
//地区码
var areaID = getAreaID();
//地区名
var areaName = getAreaNamebyID(areaID) ;
alert("您选择的地区码：" + areaID + " 地区名：" + areaName);
}
//根据地区码查询地区名
function getAreaNamebyID(areaID){
var areaName = "";
if(areaID.length == 2){
areaName = area_array[areaID];
}else if(areaID.length == 4){
var index1 = areaID.substring(0, 2);
areaName = area_array[index1] + " " + sub_array[index1][areaID];
}else if(areaID.length == 6){
var index1 = areaID.substring(0, 2);
var index2 = areaID.substring(0, 4);
areaName = area_array[index1] + " " + sub_array[index1][index2] + " " + sub_arr[index2][areaID];
}
return areaName;
}
</script>
</head>
<body>
<label>请选择省市地区：</label></br>
<select onChange="changeComplexProvince(this.value, sub_array, 'seachcity', 'seachdistrict');"></select>
<select onChange="changeCity(this.value,'seachdistrict','seachdistrict');"></select>
<span><select></select></span>
<input type="button" value="获取地区"/>
</body>
</html>
程序下载地址：
jquery select表单提交省市区城市三级联动
效果图：
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