重装，以创造一个实时聊天使用AJAX页面重装、创造一个、实时、页面
2023-09-12 21:15:47
作者：月が照らす
我有这个code：
<?php require_once("config.inc.php"); ?>
<?
ob_start();
session_start();
if(isset($_SESSION['myusername'])) {
// do nothing here
} else { ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Live chat</title>
</head>
<body bgcolor="#000000">
<font color="white" size="+3"><b>You are not logged in! <br />
Log in and start chatting!</b></font>
</body>
</html>
<?php exit(); }
ob_flush();
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta name="description" content="<?php echo $meta_description ?>" />
<meta name="keywords" content="<?php echo $meta_keywords ?>" />
<title><?php echo $site_name; ?> | Live chat</title>
<link rel="icon" type="image/gif" href="favicon.png" >
<link href="style.css" rel="stylesheet" type="text/css" />
<style>
body { margin:0;padding:0; background-image:url(images/background.jpg); }
</style>
<script src="http://code.jquery.com/jquery-latest.js"></script>
<script>
$(document).ready(function() {
$("#lolmesazhet").load("mesazhetnechat.php");
var refreshId = setInterval(function() {
$("#lolmesazhet").load("mesazhetnechat.php");
}, 1000);
$.ajaxSetup({ cache: false });
});
</script>
</head>
<body>
<table width="100%" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td width="500px" bgcolor="#000000" >
<?php include 'headerchat.inc.php'; ?>
</td>
</tr>
<tr>
<td width="500px" align="left" valign="top" style="padding:20px 5px 20px;">
<?php
if($_POST['submit654']) {
$result128 = mysqli_query($con,"SELECT id FROM users WHERE email = '$_SESSION[myusername]'");
$row128 = mysqli_fetch_array($result128);
date_default_timezone_set("Europe/Tirane");
$todaydate3 = date("Y-m-d H:i:s");
mysqli_query($con,"INSERT INTO chat (id, derguesi, dhoma, mesazhi, ora) VALUES (NULL, '$row128[id]', 'Main room', '$_POST[mesazhi]', '$todaydate3')");
}
?>
<table width="470px" border="0" cellspacing="0" cellpadding="0">
<tr>
<td height="50px" valign="middle" colspan="2" style="border-bottom:1px solid #FFFFFF;"> </td>
</tr>
<tr>
<td width="320" height="339px" valign="top" style="padding:3px;">
<div style="width:320px; height:339px; overflow-y:auto;">
<?php
$result73 = mysqli_query($con,"SELECT * FROM chat WHERE dhoma = 'Main room' ORDER BY id DESC");
while($row73 = mysqli_fetch_array($result73))
{
$result127 = mysqli_query($con,"SELECT username FROM users WHERE id = '$row73[derguesi]'");
$row127 = mysqli_fetch_array($result127);
?>
<table width="320px" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="150" align="left"><font color="white" size="4"><b><?php echo $row127['username']; ?></b></font></td>
<td width="170" align="right"><?php echo $row73['ora']; ?></td>
</tr>
<tr>
<td colspan="2">
<font color="white"><?php echo $row73['mesazhi']; ?></font>
</td>
</tr>
</table>
<?php } ?>
</div>
</td>
<td width="150" height="450px" rowspan="2" valign="top" style=" padding:3px; border-left:1px solid #FFFFFF;">
<div style="width:150px; height:450px; overflow-y:auto;">
<font color="#FFFFFF" size="+2"><b>Online users:</b></font><br /><br />
<?php
$result = mysqli_query($con,"SELECT username FROM users WHERE verifikuar='po' AND online = 'po'");
while($row = mysqli_fetch_array($result))
{ ?>
<font color="#FFFFFF"><b><?php echo $row['username']; ?></b></font> <br />
<?php }
?>
</div>
</td>
</tr>
<tr>
<td height="50px" valign="middle" style="border-top:1px solid #FFFFFF; padding:3px; border-right:1px solid #FFFFFF;">
<form action="" method="post" name="comesazh">
<textarea name="mesazhi" cols="35" rows="4" required="required"></textarea>
<br /><input type="submit" name="submit654" id="submit654" value="Send" style="border-radius:0px; border-size:1px; border-style:solid; border-color:#ffffff; border-width:thin; background-color:#000000; color:#ffffff; height:26px; width:60px; font-size:16px;" />
</form>
</td></tr>
</table>
</body>
</html>
我想知道是否有可能重新加载，以创建一个在线聊天，如果是，如何做到这一点使用Ajax网页。
我试了很多办法像使用 $。负载函数重载的只是它的一部分，但它不工作。然后我试图 $。负载所有的页面，但仍然没有工作。很多愚蠢的努力后，我放弃了。
I would like to know if it is possible to reload that page using ajax in order to create a live chat and if yes, how to do it.
I tried many ways like reloading just a part of it using $.load function but it does not work. Then I tried to $.load all the page, but still did not work. After a lot of silly efforts, I gave up.
推荐答案
下面是你可以做什么有聊天框更新无需重新加载页面。 聊天页面，您有：
Here is what you can do to have the chat box update without reloading the page. Chat page that you have:
<script>
window.setInterval(function(){
{
var xmlhttp;
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("myDiv").innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","response.php",true);
xmlhttp.send();
}, 5000);
</script>
<div id="myDiv"><h2>This should be your chat box</h2></div>
Response.php
Response.php
<?php
//do the while loop for the amount of chat you want to see
//example
for ($i = 1; $i <= 10; $i++) {
echo $i.'<br/>'; // Print out $i
}
?>
这将每隔5秒钟与最近的聊天记录更新的聊天框。给它一个镜头
This will update the chat box every 5 seconds with the most recent chats. Give it a shot
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