php写的简易聊天室代码

时间：2021-05-09 07:46:54|栏目：PHP代码|点击：次

index.php

 
<html> 
 
<head><Title> 
 
在线聊天 
 
</title></head> 
 
<!-- frames --> 
 
<frameset rows="70%,*" BORDER="0"> 
 
<frame name="top" src="_b.php" marginwidth="0" marginheight="0" scrolling="yes" FRAMEBORDER="NO" noresize> 
 
<frame name="bottom" src="_a.php" marginwidth="0" marginheight="0" scrolling="no" frameborder="no" noresize> 
 
</frameset> 
 
<body> 
 
</body> 
 
</html>

_a.php

复制代码代码如下:

 
<html> 
 
<title> 
 
聊天室 
 
</title> 
 
<body TOPMARGIN=0 LEFTMARGIN=0 MARGINWIDTH=0 MARGINHEIGHT=0 > 
 
<?php 
 
$person = @$_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($fp,"<font color=\"blue\">".$person."</font>&nbspin&nbsp<font color=\"red\">".$time."</font>&nbsp&nbspsays that&nbsp&nbsp<b>".$msg."</b><br>"."\n"); 
 
for ($i =0;$i<$tot;++$i){ 
 
if ($i>50) break; 
 
fwrite($fp,$oldmsg[$i]); 
 
} 
 
} 
 
?> 
 
<TABLE width="100%" border="0" cellspacing="0" cellpadding="0"> 
 
<tr align="left" bgcolor="#666666"> 
 
<td height="20"> 
 
</td></tr> 
 
<tr bgcolor="#FFCC66"> 
 
<td width="1" height="4" ></td> 
 
</tr> 
 
</TABLE> 
 
<table width="100%" border=0 cellspacing=0 cellpadding=0 bgcolor="#EFEFEF"> 
 
<tr bgcolor="#666666"> 
 
<td align="left"> 
 
<table width="100%" height="500" boder=0 cellspacing=0 cellpadding=0 bgcolor="#EFEFEF"> 
 
<tr align="left"> 
 
<td valign="top"> 
 
<font size="-1" color="#666666"> 
 
<table width = "100%" border = "0"> 
 
<tr> 
 
<form action="_a.php" method = "post"> 
 
<td align="left"> 
 
<font size="-1">昵称：</font> 
 
<input type="text" name="person" size="12" maxlength="80" value="<?php echo $person;?>"> 
 
<br> 
 
<font size="-1"></font> 
 
<textarea type="textarea" name="message" rows="9" cols="150" size = 100></textarea> 
 
<input type="submit" value="发言"> 
 
</td> 
 
</form> 
 
</tr> 
 
</table> 
 
</font> 
 
</td> 
 
</tr> 
 
</tr> 
 
</table> 
 
</td> 
 
</tr> 
 
</table> 
 
</body> 
 
</html>

_b.php

复制代码代码如下:

 
<html> 
 
<head> 
 
<title> 
 
聊天室 
 
</title> 
 
</head> 
 
<META HTTP-EQUIV=Refresh CONTENT="5; URL=_b.php"> 
 
<body bgcolor="#EFEFEF"> 
 
<?php 
 
$handle=fopen("msg.txt","r"); 
 
//$oldmsg = array(); 
 
while ($content = fgets($handle)){ 
 
//$oldmsg[] = $content; 
 
//++$tot; 
 
echo $content; 
 
} 
 
?> 
 
</body> 
 
</html>

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