求jquery 写的省市县级联动菜单

求jquery 写的省市县级联动菜单，要真的不是假的数据

解决方案 »

  1.   

    http://topic.csdn.net/u/20100312/14/6A9AC687-A120-4F0B-B94F-A685C9343A76.html
      

  2.   

    HTML页<!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></title>    <script src="../Scripts/jquery-1.3.2.min-vsdoc.js" type="text/javascript"></script>    <script language="javascript">
            $(
            function() {
                //读取所有省份
                $.getJSON("/JSTest/GetProvince", function(json) {
                    document.getElementById("selprovince").length = 0;
                    //添加显示省份            
                    $(json).each(
                    function() {
                        var op = new Option();
                        op.value = this.Id;
                        op.text = this.Name;
                        document.getElementById("selprovince").options.add(op);
                    }
                    );
                });
            }
            );
            //获取指定省份到城市
            function GetCity(pid) {
                $.getJSON("/JSTest/GetCity", { PId: pid }, function(json) {
                    document.getElementById("selcity").length = 0;
                    $(json).each(
                        function() {
                            var op = new Option();
                            op.value = this.CId;
                            op.text = this.CName;
                            document.getElementById("selcity").options.add(op);
                        }
                    );
                });
            }
        </script></head>
    <body>
        <select id="selprovince" onchange="GetCity(this.value);">
            <option value="s">--请选择--</option>
        </select>
        <select id="selcity">
        </select>
    </body>
    </html>MVC后台代码 public class JSTestController : Controller
     {
      public JsonResult GetProvince()
            {
                //获取所有到省
                var province = new List<Province> { 
                new Province{Id=1,Name="河北省"},
                new Province{Id=2,Name="河南省"},
                new Province{Id=3,Name="陕西省"}
                };            return Json(province);
            }        public JsonResult GetCity(int PId)
            {
                //根据省份获取城市
                var citys = GetCitys(PId);            return Json(citys);
            }
            /// <summary>
            /// 模拟数据访问
            /// </summary>
            /// <param name="PId"></param>
            /// <returns></returns>
            private List<City> GetCitys(int PId)
            {
                var citys = new List<City>();
                switch (PId)
                {
                    case 1:
                        citys.Add(new City { CId=1, CName="石家庄" });
                        citys.Add(new City { CId=2,CName="保定" });
                        break;
                    case 2:
                        citys.Add(new City { CId=3,CName="郑州" });
                        citys.Add(new City { CId = 4, CName = "洛阳" });
                        break;
                    case 3:
                        citys.Add(new City { CId=5, CName="西双版纳" });
                        break;
                }
                return citys;
            }
        }
        public class Province
        {
            int id;
            public int Id
            {
                get { return id; }
                set { id = value; }
            }
            string name;        public string Name
            {
                get { return name; }
                set { name = value; }
            }
        }
        public class City
        {
            int cId;        public int CId
            {
                get { return cId; }
                set { cId = value; }
            }
            string cName;        public string CName
            {
                get { return cName; }
                set { cName = value; }
            }
            int pId;        public int PId
            {
                get { return pId; }
                set { pId = value; }
            }
        }
      

  3.   

    我的资源中有，而且比较全面，中国的所有省县市都显示，而且还有一个demo你可以学习一下，不用调试可以直接用