PHP＋TEXT留言本(二)
上一次我们研究了guest.php文件.具体的问题还要求读者朋友自己深入的去实践,而且需要一些工具书来学习,如果您一点php的知识都没有,笔者奉劝您就不要想下看了,笔者没有太多的时间和篇幅去逐句探究一个php文件的用途和意义.好的,接下来我们来作edit.php这个文件.-----------//edit.php
<? if ($Submit) {if ($SavePassword=='on'){setcookie('TxtPassword','$TxtPassword',time()+30*24*3600);}else{setcookie('TxtPassword');} }?><html><style type=text/css>Td {FONT-SIZE: 10pt;}TEXTAREA{FONT-FAMILY: '宋体';FONT-SIZE: 10pt;}
</style><head><meta http-equiv='Content-Language' content='zh-cn'><meta http-equiv='Content-Type' content='text/html; charset=gb2312'><title>修改留言</title><?require('sys.php');function readvalue($tags,$tage){global $message,$long,$reply;$StrStart=strlen(strstr($message,$tags))-strlen($tags);//去除标记后变量所在字串的起始位置.$StrEnd=strlen(strstr($message,$tage));$len=$StrStart-$StrEnd;$StrStart=$long-$StrStart;//起始字符.$StrString=substr($message,$StrStart,$len);return $StrString;}
function save($record){global $TxtContent,$TxtEmail,$TxtHomepage,$TxtEmail,$TxtName,$TxtFrom,$TxtReply,$REMOTE_ADDR,$guestfile;$content=file($guestfile,'r');$space = ' ';$time = date(Y年m月d日H小时i分);$ip=$REMOTE_ADDR;$TxtReply=StripSlashes($TxtReply);$TxtContent=StripSlashes($TxtContent);$TxtContent=htmlspecialchars($TxtContent);$TxtContent=check_strlen_long($TxtContent);$TxtContent=nl2br($TxtContent);$Wcontent = '<tr><td><font color=#AB00E1>留言内容:</font><br><!--content>$TxtContent<!--endcontent> ';$Wcontent=$Wcontent.'<br><font color=#6633FF>留言人大名:</font><!--name>$TxtName<!--endname> ';if ($TxtEmail !=''){$Wcontent=$Wcontent.'<br><font color=#9900CC>电子信箱</font><a href='
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