前台代码
@{
IList<Provinces> allProvinces = ViewBag.AllProvinces;
IList<Districts> allDistricts = ViewBag.AllDistricts;
IList<Cities> allCities = ViewBag.AllCities;
}
<html>
<head>
<script src="/js/jquery-1.11.3.js" charset="utf-8"></script>
<script type="text/javascript">
var _allProvinces = @(new MvcHtmlString(JsonHelper.SerializeToJson(allProvinces.ToDictionary(k=>k.ProvinceID,v=>v.Province))));
var _allDistricts = @(new MvcHtmlString(JsonHelper.SerializeToJson(allDistricts.GroupBy(a => a.ParentID).ToDictionary(k => k.Key, v => v.ToDictionary(k1 => k1.DistrictID, v1 => v1.District)))));
var _allCities = @(new MvcHtmlString(JsonHelper.SerializeToJson(allCities.GroupBy(a=>a.ParentID).ToDictionary(k=>k.Key, v=> v.ToDictionary(k1=>k1.CityID, v1=>v1.City)))));
$(function () {
var cityID =@(Model.AddressID);
var provincesID = "";
var districtsID = "";
for(var key in _allCities)
{
for(var temp in _allCities[key])
{
if(temp == cityID){
districtsID = key;
}
}
}
for(var key in _allDistricts)
{
for(var temp in _allDistricts[key])
{
if(temp == districtsID){
provincesID = key;
}
}
}
for(var key in _allProvinces)
{
$("#sltProvinces").append("<option value=‘"+key+"‘>"+_allProvinces[key]+"</option>");
}
if(provincesID!=""){
$("#sltProvinces").find("option[value=‘"+provincesID+"‘]").attr("selected",true);
}
var parentID = $("#sltProvinces").val();
fullDistricts(parentID);
if(districtsID!=""){
$("#sltDistricts").find("option[value=‘"+districtsID+"‘]").attr("selected",true);
}
parentID = $("#sltDistricts").val();
fullCities(parentID);
if(cityID!=""){
$("#sltCities").find("option[value=‘"+cityID+"‘]").attr("selected",true);
}
$("#sltProvinces").change(function(){
var provinceID = $(this).val();
fullDistricts(provinceID);
var districtsID = $("#sltDistricts").val();
fullCities(districtsID);
});
$("#sltDistricts").change(function(){
var districtsID = $(this).val();
fullCities(districtsID);
});
@*填充市*@
function fullDistricts(parentID){
var districts;
for(var key in _allDistricts)
{
if(key == parentID)
{
districts = _allDistricts[key];
}
}
$("#sltDistricts").empty();
for(var key in districts)
{
$("#sltDistricts").append("<option value=‘"+key+"‘>"+districts[key]+"</option>");
}
}
@*填充县*@
function fullCities(parentID){
var cities;
for(var key in _allCities)
{
if(key == parentID)
{
cities = _allCities[key];
}
}
$("#sltCities").empty();
for(var key in cities)
{
$("#sltCities").append("<option value=‘"+key+"‘>"+cities[key]+"</option>");
}
}
</script>
</head>
<body>
<select id="sltProvinces"></select>
<select id="sltDistricts"></select>
<select id="sltCities"></select>
</body>
</html>
mvc中
就是获取数据库中的数据
#region 省市县
IList<Provinces> allProvinces;
IList<Districts> allDistricts;
IList<Cities> allCities;
Dictionary<string, object> param3 = new Dictionary<string, object>();
string dataUrl = RouteManager.GetApiRoute("Index", "GetAllProvinces", param3);
allProvinces = JsonConvert.DeserializeObject<IList<Provinces>>(ShopList.PostShop(dataUrl));
dataUrl = RouteManager.GetApiRoute("Index", "GetAllDistricts", param3);
allDistricts = JsonConvert.DeserializeObject<IList<Districts>>(ShopList.PostShop(dataUrl));
dataUrl = RouteManager.GetApiRoute("Index", "GetAllCities", param3);
allCities = JsonConvert.DeserializeObject<IList<Cities>>(ShopList.PostShop(dataUrl));
ViewBag.AllProvinces = allProvinces;
ViewBag.AllCities = allCities;
ViewBag.AllDistricts = allDistricts;
#endregion
api中
#region 行政区 省市县
/// <summary>
/// 获取所有省
/// </summary>
/// <returns></returns>
IList<Provinces> IIndexDAO.GetAllProvinces()
{
IList<Provinces> result = new List<Provinces>();
using (EF.ddgwDBEntities context = new EF.ddgwDBEntities())
{
var entities = context.DD_Provinces;
foreach (EF.DD_Provinces entity in entities)
{
Provinces provinces = new Provinces()
{
ID = entity.ID,
Province = entity.Province,
ProvinceID = entity.ProvinceID
};
result.Add(provinces);
}
}
return result;
}
/// <summary>
/// 获取所有县
/// </summary>
/// <returns></returns>
IList<Cities> IIndexDAO.GetAllCities()
{
IList<Cities> result = new List<Cities>();
using (EF.ddgwDBEntities context = new EF.ddgwDBEntities())
{
var entities = context.DD_Cities;
foreach (EF.DD_Cities entity in entities)
{
Cities cities = new Cities()
{
City = entity.City,
CityID = entity.CityID,
ID = entity.ID,
ParentID = entity.ParentID
};
result.Add(cities);
}
}
return result;
}
/// <summary>
/// 获取所有市
/// </summary>
/// <returns></returns>
IList<Districts> IIndexDAO.GetAllDistricts()
{
IList<Districts> result = new List<Districts>();
using (EF.ddgwDBEntities context = new EF.ddgwDBEntities())
{
var entities = context.DD_Districts;
foreach (EF.DD_Districts entity in entities)
{
Districts districts = new Districts()
{
District = entity.District,
DistrictID = entity.DistrictID,
ID = entity.ID,
ParentID =entity.ParentID
};
result.Add(districts);
}
}
return result;
}
/// <summary>
/// 根据省ID，获取省实体
/// </summary>
/// <param name="provincesID"></param>
/// <returns></returns>
Provinces IIndexDAO.GetProvinces(int provincesID)
{
Provinces result = null;
using (EF.ddgwDBEntities context = new EF.ddgwDBEntities())
{
var entity = context.DD_Provinces.Single(a => a.ProvinceID == provincesID);
result = new Provinces()
{
ID = entity.ID,
Province = entity.Province,
ProvinceID = entity.ProvinceID
};
}
return result;
}
/// <summary>
/// 根据城市ID，获取城市实体
/// </summary>
/// <param name="districtID"></param>
/// <returns></returns>
Districts IIndexDAO.GetDistricts(int districtID)
{
Districts result = null;
using (EF.ddgwDBEntities context = new EF.ddgwDBEntities())
{
var entity = context.DD_Districts.Single(a => a.DistrictID == districtID);
result = new Districts()
{
District = entity.District,
DistrictID = entity.DistrictID,
ID = entity.ID,
ParentID = entity.ParentID
};
}
return result;
}
/// <summary>
/// 根据区县ID，获取区县实体
/// </summary>
/// <param name="cityID"></param>
/// <returns></returns>
Cities IIndexDAO.GetCities(int cityID)
{
Cities result = null;
using (EF.ddgwDBEntities context = new EF.ddgwDBEntities())
{
var entity = context.DD_Cities.Single(a => a.CityID == cityID);
result = new Cities()
{
City = entity.City,
CityID = entity.CityID,
ID = entity.ID,
ParentID = entity.ParentID
};
}
return result;
}
#endregion
http://files.cnblogs.com/files/xbblogs/%E7%9C%81%E5%B8%82%E5%8E%BF.zip
时间： 2024-11-05 22:51:00