hmm bliver lige bange for at det er andet du mener så kommer med de sider som jeg tror du ville kommer og spøger efter
føst den side som den kode jeg viser jer og som viser chaten
<!--
This is the HTML file for the front-end of the AJAX Driven Chat application
This code was developed by Ryan Smith of 345 Technical Services
You may use this code in your own projects as long as this copyright is left
in place. All code is provided AS-IS.
This code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
For the rest of the code visit
http://www.DynamicAJAX.com Copyright 2005 Ryan Smith / 345 Technical / 345 Group.
-->
<html>
<head>
<title>AJAX Driven Web Chat</title>
<style type="text/css" media="screen">
.chat_time {
font-style: italic;
font-size: 9px;
}
</style>
<script language="JavaScript" type="text/javascript">
var sendReq = getXmlHttpRequestObject();
var receiveReq = getXmlHttpRequestObject();
var lastMessage = 0;
var mTimer;
//Function for initializating the page.
function startChat() {
//Set the focus to the Message Box.
document.getElementById('txt_message').focus();
//Start Recieving Messages.
getChatText();
}
//Gets the browser specific XmlHttpRequest Object
function getXmlHttpRequestObject() {
if (window.XMLHttpRequest) {
return new XMLHttpRequest();
} else if(window.ActiveXObject) {
return new ActiveXObject("Microsoft.XMLHTTP");
} else {
document.getElementById('p_status').innerHTML = 'Status: Cound not create XmlHttpRequest Object. Consider upgrading your browser.';
}
}
//Gets the current messages from the server
function getChatText() {
if (receiveReq.readyState == 4 || receiveReq.readyState == 0) {
receiveReq.open("GET", 'getChat.php?chat=1&last=' + lastMessage, true);
receiveReq.onreadystatechange = handleReceiveChat;
receiveReq.send(null);
}
}
//Add a message to the chat server.
function sendChatText() {
if(document.getElementById('txt_message').value == '') {
alert("You have not entered a message");
return;
}
if (sendReq.readyState == 4 || sendReq.readyState == 0) {
sendReq.open("POST", 'getChat.php?chat=1&last=' + lastMessage, true);
sendReq.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
sendReq.onreadystatechange = handleSendChat;
var param = 'message=' + document.getElementById('txt_message').value;
param += '&name=Ryan Smith';
param += '&chat=1';
sendReq.send(param);
document.getElementById('txt_message').value = '';
}
}
//When our message has been sent, update our page.
function handleSendChat() {
//Clear out the existing timer so we don't have
//multiple timer instances running.
clearInterval(mTimer);
getChatText();
}
//Function for handling the return of chat text
function handleReceiveChat() {
if (receiveReq.readyState == 4) {
var chat_div = document.getElementById('div_chat');
var xmldoc = receiveReq.responseXML;
var message_nodes = xmldoc.getElementsByTagName("message");
var n_messages = message_nodes.length
for (i = 0; i < n_messages; i++) {
var user_node = message_nodes[i].getElementsByTagName("user");
var text_node = message_nodes[i].getElementsByTagName("text");
var time_node = message_nodes[i].getElementsByTagName("time");
chat_div.innerHTML += user_node[0].firstChild.nodeValue + ' ';
chat_div.innerHTML += '<font class="chat_time">' + time_node[0].firstChild.nodeValue + '</font><br />';
chat_div.innerHTML += text_node[0].firstChild.nodeValue + '<br />';
chat_div.scrollTop = chat_div.scrollHeight;
lastMessage = (message_nodes[i].getAttribute('id'));
}
mTimer = setTimeout('getChatText();',2000); //Refresh our chat in 2 seconds
}
}
//This functions handles when the user presses enter. Instead of submitting the form, we
//send a new message to the server and return false.
function blockSubmit() {
sendChatText();
return false;
}
//This cleans out the database so we can start a new chat session.
function resetChat() {
if (sendReq.readyState == 4 || sendReq.readyState == 0) {
sendReq.open("POST", 'getChat.php?chat=1&last=' + lastMessage, true);
sendReq.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
sendReq.onreadystatechange = handleResetChat;
var param = 'action=reset';
sendReq.send(param);
document.getElementById('txt_message').value = '';
}
}
//This function handles the response after the page has been refreshed.
function handleResetChat() {
document.getElementById('div_chat').innerHTML = '';
getChatText();
}
</script>
</head>
<body onload="java script:startChat();">
<h2><a href="
http://www.dynamicAJAX.com" style="color: #000000; text-decoration: none;">AJAX Driven Web Chat</a></h2>
<p id="p_status">Status: Normal</p>
Current Chitter-Chatter:
<div id="div_chat" style="height: 300px; width: 500px; overflow: auto; background-color: #CCCCCC; border: 1px solid #555555;">
</div>
<form id="frmmain" name="frmmain" onsubmit="return blockSubmit();">
<input type="button" name="btn_get_chat" id="btn_get_chat" value="Refresh Chat" onclick="java script:getChatText();" />
<input type="button" name="btn_reset_chat" id="btn_reset_chat" value="Reset Chat" onclick="java script:resetChat();" /><br />
<input type="text" id="txt_message" name="txt_message" style="width: 447px;" />
<input type="button" name="btn_send_chat" id="btn_send_chat" value="Send" onclick="java script:sendChatText();" />
</form>
</body>
</html>
så den side hvor alle php koder er og som den henter data fra
<?php
/*
This is the PHP backend file for the AJAX Driven Chat application.
You may use this code in your own projects as long as this copyright is left
in place. All code is provided AS-IS.
This code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
For the rest of the code visit
http://www.DynamicAJAX.com Copyright 2005 Ryan Smith / 345 Technical / 345 Group.
*/
//Send some headers to keep the user's browser from caching the response.
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT" );
header("Last-Modified: " . gmdate( "D, d M Y H:i:s" ) . "GMT" );
header("Cache-Control: no-cache, must-revalidate" );
header("Pragma: no-cache" );
header("Content-Type: text/xml; charset=utf-8");
require('database.php');
//Check to see if a message was sent.
if(isset($_POST['message']) && $_POST['message'] != '') {
$sql = "INSERT INTO message(chat_id, user_id, user_name, message, post_time) VALUES (" .
db_input($_GET['chat']) . ", 1, '" . db_input($_POST['name']) .
"', '" . db_input($_POST['message']) . "', NOW())";
db_query($sql);
}
//Check to see if a reset request was sent.
if(isset($_POST['action']) && $_POST['action'] == 'reset') {
$sql = "DELETE FROM message WHERE chat_id = " . db_input($_GET['chat']);
db_query($sql);
}
//Create the XML response.
$xml = '<?xml version="1.0" ?><root>';
//Check to ensure the user is in a chat room.
if(!isset($_GET['chat'])) {
$xml .='Your are not currently in a chat session. <a href="">Enter a chat session here</a>';
$xml .= '<message id="0">';
$xml .= '<user>Admin</user>';
$xml .= '<text>Your are not currently in a chat session. <a href="">Enter a chat session here</a></text>';
$xml .= '<time>' . date('h:i') . '</time>';
$xml .= '</message>';
} else {
$last = (isset($_GET['last']) && $_GET['last'] != '') ? $_GET['last'] : 0;
$sql = "SELECT message_id, user_name, message, date_format(post_time, '%h:%i') as post_time" .
" FROM message WHERE chat_id = " . db_input($_GET['chat']) . " AND message_id > " . $last;
$message_query = db_query($sql);
//Loop through each message and create an XML message node for each.
while($message_array = db_fetch_array($message_query)) {
$xml .= '<message id="' . $message_array['message_id'] . '">';
$xml .= '<user>' . htmlspecialchars($message_array['user_name']) . '</user>';
$xml .= '<text>' . htmlspecialchars($message_array['message']) . '</text>';
$xml .= '<time>' . $message_array['post_time'] . '</time>';
$xml .= '</message>';
}
}
$xml .= '</root>';
echo $xml;
?>
