三级联动AJAX
2013-05-22 20:22
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4000
WebService1 页
[WebMethod]
public List<Model.province> GetProvince()
{
BLL.province bpro = new BLL.province();
List<Model.province> list = bpro.GetListModel();
return list;
}
[WebMethod]
public List<Model.city> GetCItyByPro(string proid)
{
BLL.city bcity = new BLL.city();
List<Model.city> list = bcity.GetListModel("father='" + proid + "'");
return list;
}
[WebMethod]
public List<Model.area> GetAreaByCity(string cityid)
{
BLL.area barea = new BLL.area();
List<Model.area> list = barea.GetListModel("father='" + cityid + "'");
return list;
}
前台：
<head>
<title></title>
<script src="js/Jquery1.7.js" type="text/javascript"></script>
<script type="text/javascript">
$(function () {
$.ajax({
type: "post",
contentType: "application/json",
url: "WebService1.asmx/GetProvince",
data: "{}",
success: function (result) {
var stroption = '';
for (var i = 0; i < result.d.length; i++) {
stroption += '<option value=' + result.d[i].provinceID + '>';
stroption += result.d[i].provincename;
stroption += '</option>';
}
$('#seprovince').append(stroption);
}
})
$('#seprovince').change(function () {
$('#secity option:gt(0)').remove();
$.ajax({
type: "post",
contentType: "application/json",
url: "WebService1.asmx/GetCItyByPro",
data: "{proid:'" + $(this).val() + "'}",
success: function (result) {
var strocity = '';
for (var i = 0; i < result.d.length; i++) {
strocity += '<option value=' + result.d[i].cityID + '>';
strocity += result.d[i].cityname;
strocity += '</option>';
}
$('#secity').append(strocity);
}
})
})
$('#secity').change(function () {
$.ajax({
type: "post",
contentType: "application/json",
url: "WebService1.asmx/GetAreaByCity",
data: "{cityid:'" + $(this).val() + "'}",
success: function (result) {
var stroarea = '';
for (var i = 0; i < result.d.length; i++) {
stroarea += '<option value=' + result.d[i].areaID + '>';
stroarea += result.d[i].areaname;
stroarea += '</option>';
}
$('#searea').append(stroarea);
}
})
})
})
</script>
</head>
<body>
<table>
<tr>
<td>
用户名
</td>
<td>
<input id="Text1" type="text" />
</td>
</tr>
<tr>
<td>
密码
</td>
<td>
<input id="Text2" type="text" />
</td>
</tr>
<tr>
<td>
确认密码
</td>
<td>
<input id="Text3" type="text" />
</td>
</tr>
<tr>
<td>
邮箱
</td>
<td>
<input id="Text4" type="text" />
</td>
</tr>
<tr>
<td>
地址
</td>
<td>
<select id="seprovince">
<option>--请选择--</option>
</select>
省
<select id="secity">
<option>--请选择--</option>
</select>市
<select id="searea">
<option></option>
</select>县
</td>
</tr>
</table>
</body>
BLL 层 province
public List<Model.province> GetListModel()
{
return dal.GetListModel();
}
BLL 层 city zrea
public List<Model.city> GetListModel(string strsql)
{
return dal.GetListModel(strsql);
}
DAL层 province
public System.Collections.Generic.List<Model.province> GetListModel()
{
System.Collections.Generic.List<Model.province> list = new System.Collections.Generic.List<Model.province>();
DataTable dt = GetList("").Tables[0];
foreach (DataRow row in dt.Rows)
{
Model.province mpro = new Model.province();
mpro.id = Convert.ToInt32(row["id"]);
mpro.provinceID=row["provinceID"].ToString();
mpro.provincename = row["provincename"].ToString();
list.Add(mpro);
}
return list;
}
DAL层 city
public System.Collections.Generic.List<Model.city> GetListModel(string strsql)
{
System.Collections.Generic.List<Model.city> list = new System.Collections.Generic.List<Model.city>();
DataTable dt = GetList(strsql).Tables[0];
foreach (DataRow row in dt.Rows)
{
Model.city mcity = new Model.city();
mcity.id = Convert.ToInt32(row["id"]);
mcity.cityID = row["cityID"].ToString();
mcity.cityname = row["cityname"].ToString();
list.Add(mcity);
}
return list;
}
DAL层 area
public System.Collections.Generic.List<Model.area> GetListModel(string strsql)
{
DataTable dt = GetList(strsql).Tables[0];
System.Collections.Generic.List<Model.area> list = new System.Collections.Generic.List<Model.area>();
foreach (DataRow row in dt.Rows)
{
Model.area marea = new Model.area()
{
id = Convert.ToInt32(row["id"]),
areaID = row["areaID"].ToString(),
areaname = row["areaname"].ToString()
};
list.Add(marea);
}
return list;
}
MODEL
定义字段
WebService1 页
[WebMethod]
public List<Model.province> GetProvince()
{
BLL.province bpro = new BLL.province();
List<Model.province> list = bpro.GetListModel();
return list;
}
[WebMethod]
public List<Model.city> GetCItyByPro(string proid)
{
BLL.city bcity = new BLL.city();
List<Model.city> list = bcity.GetListModel("father='" + proid + "'");
return list;
}
[WebMethod]
public List<Model.area> GetAreaByCity(string cityid)
{
BLL.area barea = new BLL.area();
List<Model.area> list = barea.GetListModel("father='" + cityid + "'");
return list;
}
前台：
<head>
<title></title>
<script src="js/Jquery1.7.js" type="text/javascript"></script>
<script type="text/javascript">
$(function () {
$.ajax({
type: "post",
contentType: "application/json",
url: "WebService1.asmx/GetProvince",
data: "{}",
success: function (result) {
var stroption = '';
for (var i = 0; i < result.d.length; i++) {
stroption += '<option value=' + result.d[i].provinceID + '>';
stroption += result.d[i].provincename;
stroption += '</option>';
}
$('#seprovince').append(stroption);
}
})
$('#seprovince').change(function () {
$('#secity option:gt(0)').remove();
$.ajax({
type: "post",
contentType: "application/json",
url: "WebService1.asmx/GetCItyByPro",
data: "{proid:'" + $(this).val() + "'}",
success: function (result) {
var strocity = '';
for (var i = 0; i < result.d.length; i++) {
strocity += '<option value=' + result.d[i].cityID + '>';
strocity += result.d[i].cityname;
strocity += '</option>';
}
$('#secity').append(strocity);
}
})
})
$('#secity').change(function () {
$.ajax({
type: "post",
contentType: "application/json",
url: "WebService1.asmx/GetAreaByCity",
data: "{cityid:'" + $(this).val() + "'}",
success: function (result) {
var stroarea = '';
for (var i = 0; i < result.d.length; i++) {
stroarea += '<option value=' + result.d[i].areaID + '>';
stroarea += result.d[i].areaname;
stroarea += '</option>';
}
$('#searea').append(stroarea);
}
})
})
})
</script>
</head>
<body>
<table>
<tr>
<td>
用户名
</td>
<td>
<input id="Text1" type="text" />
</td>
</tr>
<tr>
<td>
密码
</td>
<td>
<input id="Text2" type="text" />
</td>
</tr>
<tr>
<td>
确认密码
</td>
<td>
<input id="Text3" type="text" />
</td>
</tr>
<tr>
<td>
邮箱
</td>
<td>
<input id="Text4" type="text" />
</td>
</tr>
<tr>
<td>
地址
</td>
<td>
<select id="seprovince">
<option>--请选择--</option>
</select>
省
<select id="secity">
<option>--请选择--</option>
</select>市
<select id="searea">
<option></option>
</select>县
</td>
</tr>
</table>
</body>
BLL 层 province
public List<Model.province> GetListModel()
{
return dal.GetListModel();
}
BLL 层 city zrea
public List<Model.city> GetListModel(string strsql)
{
return dal.GetListModel(strsql);
}
DAL层 province
public System.Collections.Generic.List<Model.province> GetListModel()
{
System.Collections.Generic.List<Model.province> list = new System.Collections.Generic.List<Model.province>();
DataTable dt = GetList("").Tables[0];
foreach (DataRow row in dt.Rows)
{
Model.province mpro = new Model.province();
mpro.id = Convert.ToInt32(row["id"]);
mpro.provinceID=row["provinceID"].ToString();
mpro.provincename = row["provincename"].ToString();
list.Add(mpro);
}
return list;
}
DAL层 city
public System.Collections.Generic.List<Model.city> GetListModel(string strsql)
{
System.Collections.Generic.List<Model.city> list = new System.Collections.Generic.List<Model.city>();
DataTable dt = GetList(strsql).Tables[0];
foreach (DataRow row in dt.Rows)
{
Model.city mcity = new Model.city();
mcity.id = Convert.ToInt32(row["id"]);
mcity.cityID = row["cityID"].ToString();
mcity.cityname = row["cityname"].ToString();
list.Add(mcity);
}
return list;
}
DAL层 area
public System.Collections.Generic.List<Model.area> GetListModel(string strsql)
{
DataTable dt = GetList(strsql).Tables[0];
System.Collections.Generic.List<Model.area> list = new System.Collections.Generic.List<Model.area>();
foreach (DataRow row in dt.Rows)
{
Model.area marea = new Model.area()
{
id = Convert.ToInt32(row["id"]),
areaID = row["areaID"].ToString(),
areaname = row["areaname"].ToString()
};
list.Add(marea);
}
return list;
}
MODEL
定义字段
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