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<?php
header("Content-Type: text/html; charset=utf-8");
//$conn = new COM("ADODB.Connection") or die("Cannot start ADO");
//$connstr = "Provider=MYSQL;Persist Security Info=False;User ID=root;Password=root;Initial Catalog=myshuju;Data Source=localhost";
include("conn.php");
function Execute()
{
}
if($_REQUEST['id']==0){//获得省列表
$conn->execute($connstr); //建立数据库连接
$sqlstr = "select name from province"; //设置查询字符串
$rs = $conn->Execute($sqlstr); //执行查询获得结果
$num_cols = $rs->Fields->Count(); //得到数据集列数
$province=array();
$i=0;
while (!$rs->EOF) {
$Province[$i]=$rs->Fields['name']->Value.",";
$rs->MoveNext();
$i++;
}
foreach($Province as $val)
echo $val;
$conn->Close();
$rs = null;
$conn = null;
}
if($_REQUEST['ID']>0&&$_REQUEST['ID']<35){//获得省对应的市列表
//$conn->Open($connstr); //建立数据库连接
$sqlstr = "select name from city where cityid=".$_REQUEST['ID']; //设置查询字符串
$rs = $conn->Execute($sqlstr); //执行查询获得结果
$num_cols = $rs->Fields->Count(); //得到数据集列数
$City=array();
$i=0;
while (!$rs->EOF) {
$City[$i]=$rs->Fields['name']->Value.",";
$rs->MoveNext();
$i++;
}
foreach($City as $val)
echo $val;
$conn->Close();
$rs = null;
$conn = null;
}
if($_REQUEST['ID']>100){//获得省市对应的县列表
//$conn->Open($connstr); //建立数据库连接
$sqlstr = "select name from country where areaid=".$_REQUEST['ID']; //设置查询字符串
$rs = $conn->Execute($sqlstr); //执行查询获得结果
$num_cols = $rs->Fields->Count(); //得到数据集列数
$County=array();
$i=0;
while (!$rs->EOF) {
$county[$i]=$rs->Fields['name']->Value.",";
$rs->MoveNext();
$i++;
}
foreach($county as $val)
echo $val;
$conn->Close();
$rs = null;
$conn = null;
}
?>
window.onload = getProvince;
var request={};
function createRequest() {//Ajax于PHP交互需要对象
"use strict";
try
{
request = new XMLHttpRequest();//创建一个新的请求对象;
} catch (tryMS) {
try
{
request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (otherMS) {
try
{
request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (failed) {
request = null;
}
}
}
return request;
}
function sech(id) {//省市改变时触发,select的onchange事件
"use strict";
var aa = document.getElementById(id);
if(id=="sheng"){
getCity(aa.value);//这里aa.value为省的id
}
if(id=="shi")
{
getCounty(aa.value);//这里aa.value为市的id
}
}
function getProvince() {//获取所有省
"use strict";
request= createRequest();
if (request == null) {
alert("Unable to create request");
return;
}
var url= "getDetails.php?ID=0";//ID=0时传递至PHP时让其获取所有省
request.open("GET", url, true);
request.onreadystatechange = displayProvince; //设置回调函数
request.send(null); //发送请求
}
function getCity(id){//获取省对应的市
"use strict";
request = createRequest();
if (request == null) {
alert("Unable to create request");
return;
}
var url= "getDetails.php?ID=" + escape(id);
request.open("GET", url, true);
request.onreadystatechange = displayCity;
request.send(null);
}
function getCountry(id){//获取市对应的区
"use strict";
request = createRequest();
if (request == null) {
alert("Unable to create request");
return;
}
var url= "getDetails.php?ID=" + escape(id);
request.open("GET", url, true);
request.onreadystatechange = displayCounty;
request.send(null);
}
function displayProvince() {//将获取的数据动态增加至select
"use strict";
if (request.readyState == 4) {
if (request.status == 200) {
var a=new Array;
var b=request.responseText;//将PHP返回的数据赋值给b
a=b.split(",");//通过","将这一数据保存在数组a中
document.getElementById("sheng").length=1;
var obj=document.getElementById("sheng");
for(var i=0;i<a.length;i++)
{
obj.options.add(new Option(a[i],i+1)); //动态生成OPTION加到select中,第一个参数为Text,第二个参数为Value值.
}
}
}
}
function displayCity() {//将获取的数据动态增加至select
"use strict";
if (request.readyState == 4)
{
if (request.status == 200)
{
var a=new Array;
var b=request.responseText;
a=b.split(",");
document.getElementById("shi").length=1;//重新选择
document.getElementById("xian").length=1;//重新选择
if(document.getElementById("sheng").value!="province"){
var obj=document.getElementById('shi');
for(var i=0;i<a.length;i++)
{
obj.options.add(new Option(a[i], document.getElementById("sheng").value*100+i+1)); //ocument.getElementById("sheng").value*100+i+1对应的是市的ID。
}
}
}
}
}
function displayCountry() {//将获取的数据增加至select
"use strict";
if (request.readyState == 4) {
if (request.status == 200) {
var a=new Array;
var b=request.responseText;
a=b.split(",");
document.getElementById("xian").length=1;
if(document.getElementById("sheng").value!="province"&&document.getElementById("shi").value!="city"){
var obj=document.getElementById('xian');
for(i=0;i<a.length;i++)
{
obj.options.add(new Option(a[i],i+1001));
}
}
}
}
}
<!doctype html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script src="/jilian/thumbnails.js" type="text/javascript"></script>
<title>省市区联动</title>
</head>
<body>
<div id="description">
<select style="width: 100px;" onChange="sech(this.id)" id="sheng">
<option value="province">请选择省份</option>
</select>
<select onChange="sech(this.id)" id="shi">
<option value="city">请选择市区</option>
</select>
<select onChange="sech(this.id)" id="xian">
<option value="country">请选择县</option>
</select>
</div>
</body>
</html>
if($_REQUEST['ID']>0&&$_REQUEST['ID']<35){//获得省对应的市列表
//$conn->Open($connstr); //建立数据库连接
$sqlstr = "select name from city where cityid=".$_REQUEST['ID']; //设置查询字符串
$rs = $conn->Execute($sqlstr); //执行查询获得结果
$num_cols = $rs->Fields->Count(); //得到数据集列数
$City=array();
$i=0;
while (!$rs->EOF) {
$City[$i]=$rs->Fields['name']->Value.",";
$rs->MoveNext();
$i++;
}
foreach($City as $val)
echo $val;
$conn->Close();
$rs = null;
$conn = null;
}
if($_REQUEST['ID']>100){//获得省市对应的县列表
//$conn->Open($connstr); //建立数据库连接
$sqlstr = "select name from country where areaid=".$_REQUEST['ID']; //设置查询字符串
$rs = $conn->Execute($sqlstr); //执行查询获得结果
$num_cols = $rs->Fields->Count(); //得到数据集列数
$County=array();
$i=0;
while (!$rs->EOF) {
$county[$i]=$rs->Fields['name']->Value.",";
$rs->MoveNext();
$i++;
}