用文本文件制作留言板提示下
管理你的留言在文本文件中实现不如数据库中那么方便,下面我们想办法来实现这个效果!
在输出的时候我们是用数组来保存数据,那么我们会很方便地为每组数据按顺序分配一个序号,通过对这个序号来操作,我们就可以方便地修改数据!
$date[0]为文本文件中第一行,我们输出时分配序号为0.
输出时有这样的效果:
修改留言
我们再定制modify.php
if($id!=””){
$date=file(“txt/mytxt.txt”);
$str=explode(“&”,$date[0])
?>
}else{
$str=$tech1.”&”. $tech2. ”&”.$tech3….
If($str!=””){
//将修改后的数据写回文本文件!
}
}?>
在这个过程中要注意保持$id的值不丢失,在写回数据时先将文本中的值读入$date,再$date[$id]=$str;
$fp=fopen("txt/mytxt.txt","w");
fwrite($fp,$date);
fclose($fp);

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