<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>FAQ</title>
<script type="text/javascript">
var xmlHttp;
var currFaqId;function createXmlHttp(){
if (window.XMLHttpRequest){
xmlHttp = new XMLHttpRequest();
}else{
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
}
function laodFAQ(faqId){
currFaqId=faqId;
var currFaqDetail = getFaqDetailDiv(faqId); if (currFaqDetail.style.display == "none"){
currFaqDetail.style.display = "block"
if (currFaqDetail.innerHTML == ""){
createXmlHttp();
xmlHttp.onreadystatechange = loadFAQCallback;
xmlHttp.open("GET","read_faq.php?faqId="+faqId,true);
xmlHttp.send();
}
}else{
currFaqDetail.style.display="none";
}
}function loadFAQCallback(){
alert(xmlHttp.readystate);
if(xmlHttp.readystate == 4){
getFaqDetailDiv(currFaqId).innerHTML = xmlHttp.responeText;
}
}
function getFaqDetailDiv(faqId)
{
return document.getElementById("faqDetail"+faqId);
}
</script>
</head>
<body>
<h1>FAQ</h1>
<?php
$sqlcon=mysql_connect("localhost","root","123456qwe") or die("Error Connecting");
$sqlstring="select id, faq from faq order by id asc";
mysql_select_db("ajax",$sqlcon);
$sqlquery=mysql_query($sqlstring, $sqlcon);
while ($result=mysql_fetch_array($sqlquery))
{
?>
<div>
<a href="#" onclick="loadFAQ(<?php echo $result['id'];?>);return false;">
<?php echo $result['faq']; ?>
</a>
</div>
<div id="faqDetail<?php echo $result['id'] ?>" style="display:none">
</div>
<?php
}
?>
</body>
</html>以上是页面代码<?php
$id=$_GET['faqId'];
$sqlcon=mysql_connect("localhost","root","123456qwe");
$sqlstring="select detail from faq where id = ".$id;
mysql_select_db("ajax",$sqlcon);
$sqlquery=mysql_query($sqlstring);
$result=mysql_fetch_array($sqlquery);
if ($result)
{
echo $result['detail'];
}else {
echo "wrong searching";
}
?>以上是服务器端响应页当我打开页面代码的时候,我点击了每个连接但是没有东西显示出来.请高手们帮忙改一下CODE,顺便解释一下为什么不行.
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>FAQ</title>
<script type="text/javascript">
var xmlHttp;
var currFaqId;function createXmlHttp(){
if (window.XMLHttpRequest){
xmlHttp = new XMLHttpRequest();
}else{
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
}
function laodFAQ(faqId){
currFaqId=faqId;
var currFaqDetail = getFaqDetailDiv(faqId); if (currFaqDetail.style.display == "none"){
currFaqDetail.style.display = "block"
if (currFaqDetail.innerHTML == ""){
createXmlHttp();
xmlHttp.onreadystatechange = loadFAQCallback;
xmlHttp.open("GET","read_faq.php?faqId="+faqId,true);
xmlHttp.send();
}
}else{
currFaqDetail.style.display="none";
}
}function loadFAQCallback(){
alert(xmlHttp.readystate);
if(xmlHttp.readystate == 4){
getFaqDetailDiv(currFaqId).innerHTML = xmlHttp.responeText;
}
}
function getFaqDetailDiv(faqId)
{
return document.getElementById("faqDetail"+faqId);
}
</script>
</head>
<body>
<h1>FAQ</h1>
<?php
$sqlcon=mysql_connect("localhost","root","123456qwe") or die("Error Connecting");
$sqlstring="select id, faq from faq order by id asc";
mysql_select_db("ajax",$sqlcon);
$sqlquery=mysql_query($sqlstring, $sqlcon);
while ($result=mysql_fetch_array($sqlquery))
{
?>
<div>
<a href="#" onclick="loadFAQ(<?php echo $result['id'];?>);return false;">
<?php echo $result['faq']; ?>
</a>
</div>
<div id="faqDetail<?php echo $result['id'] ?>" style="display:none">
</div>
<?php
}
?>
</body>
</html>以上是页面代码<?php
$id=$_GET['faqId'];
$sqlcon=mysql_connect("localhost","root","123456qwe");
$sqlstring="select detail from faq where id = ".$id;
mysql_select_db("ajax",$sqlcon);
$sqlquery=mysql_query($sqlstring);
$result=mysql_fetch_array($sqlquery);
if ($result)
{
echo $result['detail'];
}else {
echo "wrong searching";
}
?>以上是服务器端响应页当我打开页面代码的时候,我点击了每个连接但是没有东西显示出来.请高手们帮忙改一下CODE,顺便解释一下为什么不行.
<html>
<head>
<title>ajax+php无刷新二级联动菜单的应用实例</title><script language="javascript">
var xmlhttp = null;function getxmlhttprequest()
{
var xmlhttp=null;
try
{
xmlhttp = new XMLHttpRequest();
}
catch(e)
{
try
{
xmlhttp = new ActiveXObject("msxml2.xmlhttp");
}
catch (e)
{
try
{
xmlhttp = new ActiveXObject("microsoft.xmlhttp");
}
catch(e)
{
xmlhttp = false;
}
}
}return xmlhttp;
}function sendrequest()
{
var prov_name = document.getElementById("province").value;
if((prov_name == null) || (prov_name == ""))
return;
xmlhttp = getxmlhttprequest();
if(xmlhttp == null)
{
alert("浏览器不支持xmlhttprequest！");
return;
} var url = "erji.php";
url = url + "?prov=" + prov_name; xmlhttp.open("GET", url, true);
xmlhttp.onreadystatechange = updatepage;
xmlhttp.send(null);
}function updatepage()
{
if(xmlhttp.readystate == 4 && xmlhttp.status == 200)
{
var response = xmlhttp.responseText;
document.getElementById("city").innerHTML = response;
alert(response);
}
}
</script>
</head>
<body>
<h3>请选择一个省（自治区）：</h3><form action="erji.php">
<div>
<select id="province" onchange="sendrequest()">
<option value="">请选择一个省（自治区）</option>
<option value="ah">安徽</option>
<option value="fj">福建</option>
<option value="gs">甘肃</option>
<option value="gd">广东</option>
<option value="gx">广西</option>
<option value="gz">贵州</option>
<option value="hn">海南</option>
<option value="hb">河北</option>
<option value="hh">河南</option>
<option value="hl">黑龙江</option>
</select>
</div>
</form><div id="city"></div></body>
</html>
erji.php
<?php
$city_arr = array(
"ah"=>"合肥",
"fj"=>"福州",
"gs"=>"兰州",
"gd"=>"广州",
"gx"=>"南宁",
"gz"=>"贵阳",
"hn"=>"海口",
"hb"=>"石家庄",
"hh"=>"郑州",
"hl"=>"哈尔滨"
);if(empty($_GET['prov']))
{
echo iconv("gb2312","utf-8",'<font color="red">您没有选择省（自治区）</font>');
}
else
{
$prov = $_GET['prov'];
$city = $city_arr[$prov];
echo iconv("gb2312","utf-8",'所选省（自治区）省会（首府）为：'.$city);
}
?>