文件中包含页面展示效果、页面源码，包含的文件，及JS效果文件，附带全国地区数据表
1.引用
2.引用联动效果的JS文件
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页面头部定义$districtId = $_POST["districtId"] ? $_POST["districtId"] : DistrictRootId);
联动省市县效果页面代码:（本页为修改页面）
居住地
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ajax.js源码展示
//===========================================================================【级联列表】
//功能：回调并装载数据，用于多级分类或关联数据初始化的时候；
function initLevelData(aimObj,defaultId,url,splitor,isHaveDefaultOption){
var argLength = initLevelData.arguments.length;
var theSplitor = (argLength==4)?splitor:",";
var isHaveOption = (argLength==5)?isHaveDefaultOption:true;
var beginIndex = (isHaveOption)?1:0;
with(aimObj){
while(length>beginIndex)
remove(beginIndex);
var content = getUrlContent(url, false);
if(content==null)
return;
content = content.replace(/(^\s*)|(\s*$)/g,"");
if(content.length==0)
return;
var ary = content.split(theSplitor);
var index = 0;
for(var i=0,j=0; i
if(isHaveOption){
options[j+1]=new Option(ary[i+1], ary[i], false, (ary[i]==defaultId));
}else{
options[j]=new Option(ary[i+1], ary[i], false, (ary[i]==defaultId));
}
}
}
}
//功能：回调并装载数据，用于级联调用的时候；
function changeRelationData(srcObj,srcErrorValue,relationObj,url,splitor,isHaveDefaultOption){
var argLength = changeRelationData.arguments.length;
var theSplitor = (argLength==5)?splitor:",";
var isHaveOption = (argLength==6)?isHaveDefaultOption:true;
var beginIndex = (isHaveOption)?1:0;
with(relationObj){
while(length>beginIndex)
remove(beginIndex);
if(srcObj.value==srcErrorValue){
return;
}
var content = getUrlContent(url, false);
if(content==null)
return;
content = content.replace(/(^\s*)|(\s*$)/g,"");
if(content.length==0)
return;
var ary = content.split(theSplitor);
for(var i=0,j=0; i
if(isHaveOption){
options[j+1]=new Option(ary[i+1], ary[i]);
}else{
options[j]=new Option(ary[i+1], ary[i]);
}
}
}
}
//功能：回调并装载数据，用于多级分类调用的时候，控制同一个隐藏字段；
//调用：01、没有级联变化，第一级：changeLevelData(srcObj,srcErrorValue,aimObj,null,childObj,url);
// 02、带有级联变化，第二级：changeLevelData(srcObj,srcErrorValue,aimObj,parentObj,childObj,url);
// 03、没有级联变化，第三级：changeLevelData(srcObj,srcErrorValue,aimObj,parentObj);
function changeLevelData(srcObj,srcErrorValue,aimObj,parentObj,childObj,url,splitor,isHaveDefaultOption){
var argLength = changeLevelData.arguments.length;
var isEnabledParentControl = (parentObj!=null);
var isEnableRelatedControl = (argLength>4);
var theSplitor = (argLength==7)?splitor:",";
var isHaveOption = (argLength==8)?isHaveDefaultOption:true;
var beginIndex = (isHaveOption)?1:0;
if(!isEnableRelatedControl){
if(isEnabledParentControl){
if(srcObj.value==srcErrorValue){
aimObj.value = parentObj.value;
}else{
aimObj.value = srcObj.value;
}
}else{
aimObj.value = srcObj.value;
}
return;
}
with(childObj){
while(length>beginIndex)
remove(beginIndex);
if(srcObj.value==srcErrorValue){
aimObj.value = ""
return;
}else{
aimObj.value = srcObj.value;
}
var content = getUrlContent(url, false);
if(content==null)
return;
content = content.replace(/(^\s*)|(\s*$)/g,"");
if(content.length==0)
return;
var ary = content.split(theSplitor);
for(var i=0,j=0; i
if(isHaveOption)
options[j+1]=new Option(ary[i+1], ary[i]);
else
options[j]=new Option(ary[i+1], ary[i]);
}
}
}
//===========================================================================【Ajax调用函数】
//功能：发送 Get 请求，可指定是否以异步方式发送，同步方式有返回值，异步方式无返回值；
function getUrlContent(url, isAsynchronous){
isAsynchronous = (getUrlContent.arguments.length==2)?isAsynchronous:false;
var xmlHttp = getXmlHttp();
if (!xmlHttp) return false;
xmlHttp.open("GET", url, isAsynchronous);
xmlHttp.setRequestHeader("Cache-Control", "no-cache");
xmlHttp.send(null);
if(!isAsynchronous){ // 同步方式；
return xmlHttp.responseText;
}
}
//功能：以异步方式，发送 Get 请求，同时指定回调函数，并返回 xmlHttp 对象以供回调函数使用；
function getUrlContentWithCallback(url, callback){
var xmlHttp = getXmlHttp();
if (!xmlHttp) return false;
xmlHttp.onreadystatechange = eval(callback);
xmlHttp.open("GET", url, true); // 异步方式；
xmlHttp.setRequestHeader("Cache-Control", "no-cache");
xmlHttp.send(null);
return xmlHttp;
}
//功能：创建 xmlHttp 对象；
function getXmlHttp(){
var xmlHttp = false;
if(window.XMLHttpRequest) { // Mozilla 浏览器
xmlHttp = new XMLHttpRequest();
}else if(window.ActiveXObject) { // IE浏览器
var aVersions = ["Msxml2.XMLHTTP", "Microsoft.XMLHTTP"];
for(var i=0; i
try {
xmlHttp = new ActiveXObject(aVersions[i]);
}catch(e) {
xmlHttp = false;
}
}
}
return xmlHttp;
}
//功能：动态载入 Js 脚本；
function getScript(jsPath, callback){
var isEnableCallback = (getScript.arguments.length==2);
var script = window.jsloader;
if(!script){
script = document.createElement("script");
script.src = jsPath;
script.type = "text/javascript";
document.getElementsByTagName("head")[0].appendChild(script);
window.jsloader = script;
}else{
script.src = jsPath;
}
if(isEnableCallback){
if (document.all){
script.onload = function(){ eval(callback); };
}else{
script.onreadystatechange = function(){
if (this.readyState=="loaded" || this.readyState=="complete"){ eval(callback); }
};
}
}
}
include.php源码展示
define('DistrictRootId','0');
define('DistrictRootName','[根分类]');
define('DistrictLevelLength','2');
define('DistrictLevelMax','4');
define('DistrictLevelMinCode',"10");
define('DistrictLevelMaxCode',"99");
function showDistrictInSelect($con, $parentId, $defaultId){
if (!StringUtil::isEmpty($parentId)) {
$sql = "SELECT districtId,name FROM district WHERE parentId='". $parentId ."'";
$sql .= " ORDER BY orderNumber ASC,districtId ASC";
$st = $con->query($sql);
$res = $st->fetchAll();
foreach ($res as $line){
echo HtmlUtil::generateOption($line['districtId'], $line['name'], StringUtil::isSame($defaultId, $line['districtId']));
}
}
}
function getDistrictId($districtId, $level){
if ($level<1) {
return DistrictRootId;
}else{
if (!StringUtil::isSame($districtId, DistrictRootId)) {
return StringUtil::left($districtId, DistrictLevelLength*$level);
}else{
return '';
}
}
}
function getDistrictName($con, $districtId){
if (StringUtil::isSame($districtId, DistrictRootId)) {
$name = DistrictRootName;
}else{
$sql = "SELECT name FROM district WHERE districtId='". $districtId ."'";
$st = $con->query($sql);
$res = $st->fetch();
$name = $res["name"];
}
return $name;
}
function getDistrictLevel($districtId){
return strlen($districtId)/DistrictLevelLength;
}
?>
change_by_parent.php源码展示
require_once $_SERVER['DOCUMENT_ROOT'].'/include/config.php';//数据库链接及系统配置文件，此处根据不同系统不一样
require_once $_SERVER['DOCUMENT_ROOT'].'/include/common/include.php';
$parentId = WebUtil::getIntString("parentId", "0");
$con = ConnectionUtil::getConnection();
$sql = "SELECT districtId,name FROM district WHERE parentId='". $parentId ."'";
$sql .= " ORDER BY orderNumber ASC,districtId ASC";
$st = $con->query($sql);
$res = $st->fetchAll();
$isFirst = true;
$output = '';
foreach ($res as $line){
if ($isFirst) {
$output = $line['districtId'] . "," . $line["name"];
$isFirst = false;
}else{
$output .= "," . $line["districtId"] . "," . $line["name"];
}
}
ConnectionUtil::close($con);
die($output);
?>
