最简单的留言本(guest.php+post.php+book.txt)


答案：
guest.php
<html> 
<head> 
<title>最简单的留言本</title> 
<body> 
<center>最简单的留言本</center> 
<hr> 
<table width="600" border="0" cellspacing="0" cellpadding="0"> 
<tr> 
<td><? 
$fo = fopen("book.txt","r"); 
$print = fread($fo,filesize("book.txt")); 
fclose($fo); 
print "$print"; 
?></td> 
</tr> 
</table> 
<form method="POST" action="post.php"> 
<table width="100%" border="0" cellspacing="0" cellpadding="0"> 
<tr> 
<td width="7%">姓名:</td> 
<td width="93%"> 
<input type="text" name="name" size="20"> 
</td> 
</tr> 
<tr> 
<td width="7%">内容:</td> 
<td width="93%"> 
<textarea rows="5" name="msg" cols="50"></textarea>
<input type="submit" value="提交" name="B1"> 
<input type="reset" value="取消" name="B2"> 
</td> 
</tr> 
</table> 
</form> 
</body> 
</html> 
post.php
<html> 
<head> 
<title>提交成功！</title> 
<meta http-equiv="Refresh" content="1;url=guest.php"> 
</head> 
<body> 
<? 
if (($name=="") or ($msg=="")){ 
print "<center>不能提交空内容,填完再提交！
"; 
} 
else{ 
print "<center>提交成功！
"; 
$time = date(Y年m月d日H时i分s秒); 
$wbook = "<b>$name:</b>
$msg
<b>时间:</b>$time
<hr>"; 
$fo = fopen("book.txt","a"); 
fwrite($fo,$wbook); 
fclose($fo); 
} 
?> 
</body> 
</html>

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