SelectArea.htm文件 
 代码如下: 
 
 
//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> 
 
jquery select表单提交省市区城市三级联动
效果图: 