php写的简易聊天室代码_php实例

 
 
 
 
 
 
 
 
 
 
 
_a.php 
 代码如下:

 
 
 
$person = @$_POST[person]; 
$msg = @$_POST[message]; 
if ($person!="" && $msg!=""){ 
$handle = fopen("msg.txt","r"); 
$tot = 0; 
$oldmsg = array(); 
while ($content = fgets($handle)){ 
$oldmsg[] = $content; 
++$tot; 
} 
fclose($handle); 
unlink("msg.txt"); 
$fp = fopen("msg.txt","a+"); 
$time = date("h:i"); 
fwrite($fp,"".$person." in ".$time."  says that  ".$msg."
"."\n"); 
for ($i =0;$i<$tot;++$i){ 
if ($i>50) break; 
fwrite($fp,$oldmsg[$i]); 
} 
} 
?> 






 




 
 
 
 
_b.php 
 代码如下:

 
 
 
 
 
 
$handle=fopen("msg.txt","r"); 
//$oldmsg = array(); 
while ($content = fgets($handle)){ 
//$oldmsg[] = $content; 
//++$tot; 
echo $content; 
} 
?>