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基于文本的留言簿-PHP实例

固然基数据库的留言簿可以作得很漂亮,而且也更好管理。 但是对于那些没有数据库空间的朋友们来说,基于文本的留言簿也完成可以适用于个人站来使用。而且只要我们努力去做同样可以做得很好,甚至可以说丝毫不比基于数据库的留言簿差。在这里我向介绍一个基于文本的留言簿。在下面这个地址你可以看到它的演示:http://bamboo.oso.com.cn/note.htm,它具有以下两个特点: 1.    用不同的颜我显示不同人发表的留言; 2.    每个留言者具有选择小图标的功能。 本留言簿要由以下四个文件组成:记录留言内容的note.txt文件;记录留言文字显示颜色的color.txt文件;这两个文件都可以有notepad来创建。反应留言表单的note.htm文件;最终处理留言信息的note.php文件。以下是它们的源代码: note.htm: <html> <head> <title>===留言簿===</title> </head> <body>   <form method="POST" action="note.php">            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 你的大名:<input type="text" name="name" size="44"><br>            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 你的邮件地址:<input type="text" name="email" size="40"><br>            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 你的个人主页:<input type="text" name="webname" size="40"><br>            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 你的个人主页地址:<input type="text" name="webadd" size="35"><br>            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 你的留言:<br>            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;             <textarea rows="2" name="note" cols="50"></textarea>             &nbsp;&nbsp;请选择你喜欢的图标:             &nbsp;&nbsp; <input type="radio" value="1" checked name="icon">&nbsp; <img border="0" src="n1.gif" width="19" height="18">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;         <input type="radio" name="icon" value="2">&nbsp; <img border="0" src="n2.gif" width="16" height="16">&nbsp;&nbsp;         <input type="radio" name="icon" value="3">&nbsp; <img border="0" src="n3.gif" width="16" height="16">&nbsp;         <input type="radio" name="icon" value="4">&nbsp; <img border="0" src="n4.gif" width="19" height="18">&nbsp;&nbsp;&nbsp;         <input type="radio" name="icon" value="5">&nbsp; <img border="0" src="n5.gif" width="19" height="18">&nbsp;&nbsp;&nbsp;         <input type="radio" name="icon" value="6">&nbsp;&nbsp; <img border="0" src="n6.gif" width="19" height="18">&nbsp;&nbsp;         <input type="radio" name="icon" value="7">&nbsp;&nbsp; <img border="0" src="n7.gif" width="15" height="15">&nbsp;&nbsp;&nbsp;         <input type="radio" name="icon" value="8">&nbsp;&nbsp; <img border="0" src="n8.gif" width="19" height="18">&nbsp;&nbsp;           &nbsp;&nbsp; <input type="radio" name="icon" value="9">&nbsp; <img border="0" src="n9.gif" width="19" height="18">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;         <input type="radio" name="icon" value="10">&nbsp; <img border="0" src="n10.gif" width="18" height="18">&nbsp;         <input type="radio" name="icon" value="11">&nbsp; <img border="0" src="n11.gif" width="18" height="18">&nbsp;         <input type="radio" name="icon" value="12">&nbsp; <img border="0" src="n12.gif" width="18" height="18">&nbsp;&nbsp;&nbsp;         <input type="radio" name="icon" value="13">&nbsp; <img border="0" src="n13.gif" width="15" height="15">&nbsp;&nbsp;&nbsp;&nbsp;         <input type="radio" name="icon" value="14">&nbsp;&nbsp;&nbsp;<img border="0" src="n14.gif" width="18" height="18">&nbsp;&nbsp;         <input type="radio" name="icon" value="15">&nbsp;&nbsp;&nbsp; <img border="0" src="n15.gif" width="15" height="15">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;           </div>        <div align="left">           &nbsp;            <input type="submit" value="发送" name="B1"><input type="reset" value="重写" name="B2">            <a href="note.php?PRimsg=1">查看留言</a><br>           </div>        </form>         </body>                    </html>                    其中:nx.gif是小图标图片,你自己可以更换。 Note.php: <?     if($primsg==1){        $f = fopen("note.txt","r");        $msg = fread($f,filesize("note.txt"));        fclose($f);        print "$msg";  }     else{           if ($name=="") {             print "你总得给我留下的你的大名吧!否则我如何称呼你?<br>";}             else if  ($note=="") {             print "你总得说点什么吧?否则点发送干什么?不会是点错了吧?想查看留言??<br>";               }           else{              if  ($email=="") {             print "连电子邮件地址也不给留?我如何跟你联系?<br>";                 }              else if  ($webname==""||$webadd="") {              print "你没有个人主页?如果有还是希望你给我留下的地址,当作是宣传也可以嘛!<br>";                 }               $t = date(Y年m月d日);               $note = str_replace ( "<",  "<", $note);               $note = str_replace ( ">",  ">", $note);               $note = str_replace ( "\n",  "<br>", $note);               $f = fopen("color.txt","r+");               $color1=fread($f,filesize("color.txt"));               if($color1==0){                 $color=ff0000;}               else if($color1==1){                 $color="0000ff";}               else if($color1==2){                 $color="00ff00";               }               else if($color1==3){                 $color="000000";               }               if($color1>=3){                  $color1=0;}               else{                  $color1+=1;               }               fseek($f,0);               fputs($f,$color1);               fclose($f);               for($I=1;$I<=15;$I++){                  if($I==$icon){                    $pic=$I;                    }                  }               $str=strval($pic);               $strhtml="<img src='n".$str.".gif'>";               $add="<a href=".$webadd."></a>";               $main = "$strhtml<br><font color=$color><a href=\"mailto:$email\">$name</a>&nbsp&nbsp&nbsp&nbsp个人主页:&nbsp$add$webname</a>&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp($t)<br>               说:$note <br>";               $f = fopen("note.txt","a");               fwrite($f,$main);               fclose($f);                $f = fopen("note.txt","r");               $msg = fread($f,filesize("note.txt"));               fclose($f);                echo"$msg";               } } ?>

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