Разработка модуля сайта преподавателя по дисциплине Интернет-технологии (стр. 25 из 30)

{

$maxgbmes=10;

$id=idsg($page);

if(sizeof($id) >=$maxgbmes) delguest($id [0]);

$conn = db_connect();

$query = "insert into guests values (null, '". $idstud. "', '". $message. "', '". $ip. "', '". $page. "', now())";

$result = mysql_query($query);

if (! $result)

return false;

return true;

}

function smiles($mes)

{

$mes=str_replace(":: smile:: ","<img src=smiles/icon_smile. gif>",$mes);

$mes=str_replace(":: dedmoroz:: ","<img src=smiles/dedmoroz. gif>",$mes);

$mes=str_replace(":: sad:: ","<img src=smiles/icon_sad. gif>",$mes);

$mes=str_replace(":: lol:: ","<img src=smiles/icon_lol. gif>",$mes);

$mes=str_replace(":: cry:: ","<img src=smiles/icon_cry. gif>",$mes);

$mes=str_replace(":: imad:: ","<img src=smiles/icon_imad. gif>",$mes);

$mes=str_replace(":: arrow:: ","<img src=smiles/icon_arrow. gif>",$mes);

$mes=str_replace(":: exclaim:: ","<img src=smiles/icon_exclaim. gif>",$mes);

$mes=str_replace(":: question:: ","<img src=smiles/icon_question. gif>",$mes);

$mes=str_replace(":: dont:: ","<img src=smiles/icon_dont. gif>",$mes);

$mes=str_replace(":: wink:: ","<img src=smiles/icon_wink. gif>",$mes);

$mes=str_replace(":: shock:: ","<img src=smiles/icon_shock. gif>",$mes);

$mes = str_replace(":: kiss:: ","<IMG src=smiles/kiss. gif border=0>",$mes);

$mes = str_replace(":: frag:: ","<IMG src=smiles/frag. gif border=0>",$mes);

$mes = str_replace(":: flag:: ","<IMG src=smiles/flag. gif border=0>",$mes);

$mes=str_replace(" [b] ","<b>",$mes);

$mes=str_replace(" [/b] ","</b>",$mes);

$mes=str_replace(" [i] ","<i>",$mes);

$mes=str_replace(" [/i] ","</i>",$mes);

$mes=str_replace(" [u] ","<u>",$mes);

$mes=str_replace(" [/u] ","</u>",$mes);

$mes=str_replace(" [*] ","<li>",$mes);

return $mes;

}

? >

Приложение В. Листинги модулей формирования чата

В.1 Листинг модуля "chat. php"

session_start();

if(! isset($_SESSION ['student']))

{

$_SESSION ['error_fill'] ['bool'] =true;

$_SESSION ['error_fill'] ['message'] ='<b>Чтобы войти в чат надо зарегистрироваться! </b>';

include 'InternetTechnology. php';

}else

{

echo "

</head>

<body leftmargin='0' rightmargin='0' topmargin='0' background='images/blocks_bg. gif'>";

$color1='#e5e5e5';

$color2='#cbdff7';

$color3='#84adel'; // '#009999';

$row=0;

include("all. php");

doheader('Интернет технологии', ' - Чат');

$color_replace = array ('#\ [color=(\# [0-9A-F] {6}| [a-z\-] +) \] (. *?) \ [/color\] #si' => '<font color="\1">\2</font>');

$link_replace=array('#([\w] +?: // [^ \"\n\r\t<] *) #si' => '<a href="\1" target=_blank><u>\1</a></u>');

$group=$_SESSION ['student'] ['group'] ;

if(isset($_REQUEST ['message'])) $message=$_REQUEST ['message'] ; else $message='';

if(isset($_REQUEST ['history'])) $history=$_REQUEST ['history'] ; else $history='';

$ip=$_SERVER ['REMOTE_ADDR'] ;

if(badip($ip, 'chat')) echo "<script> alert ('Запись с этого IP - адреса запрещена администратором! ') </script>";

else {

if($message! =''&$group! ='')

if(! storemessage($group, $message, $ip)) echo "<script> alert ('Не удалось записать сообщение! ') </script>";

}

echo "

<tr><td class=bor width=33%><a href=chat. php? history=1><font class=for>История</font></a></td>

<font class=for>Выйти из чата</font></a></td></tr></table></td></tr>";

echo "<tr><td>  </td></tr>

<tr><td height=60% valign=middle align=center>";

echo "<table width=95% border=1 bgcolor=$color2><tr><td><table width=100% bgcolor=$color3 cellspacing=1 cellpadding=3><tr>";

echo"<td valign=middle align=center width=10%><font color=darkblue><b>Автор</b></font></td>

<td width=80% align=center><font color=darkblue><b>Сообщение</b></font></td>

<td width=12% align=center ><font color=darkblue><b>Записано</b></font></td></tr></table><tr><td>

<table width=100% cellpadding=3 bgcolor=$color3>";

$idch=ids('chatmessages','idchmes');

if(sizeof($idch) >0) $idch=array_reverse($idch);

if($history) $n=sizeof($idch);

elseif(sizeof($idch) <=10) $n=sizeof($idch); else $n=10;

for($i=$n-1; $i>=0; $i--)

{

$mes=mes($idch [$i], 'idchmes', 'chatmessages');

$guest=returnchatguest($idch [$i]);

foreach($color_replace as $k=>$v) $mes ['message'] =preg_replace($k,$v,$mes ['message']);

foreach($link_replace as $key=>$value) $mes ['message'] =preg_replace($key, $value, $mes ['message']);

$mes ['message'] =smiles($mes ['message']);

$date=reformat_date($mes ['time']);

if ($row%2) $col=$color2; else $col=$color1;

echo

"<tr bgcolor=". $col. "><td valign=center align=center width=10%>

<a href=mailto: ". $guest ['email']. " title=\" Нажмите для отправки по e-mail\"><b>". $guest ['login']. "</b>

<a></td><td align=left width=80%>  ". $mes ['message']. "</td><td align=center width=10%>

<font size=2>". $date. "</font></td></tr>";

$row++;

} echo"</table><tr></tr></table><tr><td>  </td></tr></td></tr><tr><td>";

echo "<form name=gb action=chat. php method=post>";

if(! $history)

{

echo "<center><table width=95%><tr><td align=center>";

include('postmodule. php');

echo"</td></tr></table></center>";

}

else echo "<center><table width=100% cellspacing=1 cellpadding=3><tr><td class=bor>

<a href=chat. php><font class=for>Вернуться в чат</font></a></td></tr></center>";

echo "</center></td></tr></table>";

doout('');

echo "</form></body></html>";

}

? >

В.2 Листинг модуля "chat. php"

function delchguest($id) // Oaaeaiea anao ioieoia

{

$conn = db_connect();

$query = "select idchmes from chatmessages where idchg='$id'";

$result = mysql_query($query);

if(! $result) return false;

if(mysql_numrows($result) ==0)

{

$query="delete from chatguests where idchguest='$id'";

$result = mysql_query($query);

if(! $result) return false;

return true;

} else echo"<b>Не удается удалить участника, сначала удалите его сообщения! </b><br>";

}

function badip($ip, $sub) // Eiee? anoai ioieoia id

{

$conn = db_connect();

$query = "select idip from ips where ip='$ip' and sub='$sub'";

$result = mysql_query($query);

if(! $result) return false;

$num=mysql_numrows($result);

if($num>0) return true;

else return false;

}

function del($d, $tab, $table) // Oaaeaiea anao ioieoia

{

$conn = db_connect();

$query="delete from $table where $tab='$d'";

$result = mysql_query($query);

if(! $result) return false;

return true;

}

function idsip($sub) // Eiee? anoai ioieoia id

{

$conn = db_connect();

$query = "select idip from ips where sub='$sub'";

$result = mysql_query($query);

if(! $result) return false;

$num=mysql_numrows($result);

if($num>0)

{

for($i=0; $i<$num; $i++)

$idsip [$i] =mysql_result($result,$i,0);

return $idsip;

}

function storeip($ip, $sub)

{

$conn = db_connect();

$query ="select* from ips where ip='$ip' and sub='$sub'";

$result = mysql_query($query);

if(mysql_numrows($result) ==0)

{

$query = "insert into ips values (null, '". $ip. "', '". $sub. "')";

$result = mysql_query($query);

if(! $result) return false;

return true;

}

function storemessage($idstud, $mes, $ip)

{

$maxchmes=100;

$id=ids('chatmessages', 'idchmes');

if(sizeof($id) >$maxchmes) delchatmes($id [0]);

$conn = db_connect();

$query = "insert into chatmessages values (null, '". $idstud. "', '". $mes. "', '". $ip. "', now())";

$result = mysql_query($query);

if(! $result) return false;

return true;

}

function returnchatguest($id)

{

$conn = db_connect();

$query = "select idstudc from chatmessages where idchmes='$id'";

$result = mysql_query($query);

if(! $result) return false;

$num=mysql_numrows($result);

if($num==1)

$idchg=mysql_result($result,0,0);

$query = "select * from students where idstud='$idchg'";

$result = mysql_query($query);

if(! $result) return false;

return mysql_fetch_array($result);

}

? >

Приложение Г. Листинги модулей формирования магазина

Г.1 Листинг модуля "shop. php"

<h2><font size="+2" class=color> Магазин почтой</font></h2>

$color3="#84ade1";

$color2="#cbdff7";

$color1='#e5e5e5';

$done=isset($_REQUEST ['done'])? $_REQUEST ['done']: '';

$id=isset($_REQUEST ['id'])? $_REQUEST ['id']: '';

$_SESSION ['client'] =isset($_SESSION ['client'])? $_SESSION ['client']: '';

if($_SESSION ['client'] =='')

{

if(isset($_SESSION ['student']))

{

$_SESSION ['client'] ['name'] =$_SESSION ['student'] ['name'] ;

$_SESSION ['client'] ['sname'] =$_SESSION ['student'] ['family'] ;

$_SESSION ['client'] ['email'] =$_SESSION ['student'] ['email'] ;

$_SESSION ['client'] ['fhone'] ='';

$_SESSION ['client'] ['address'] ='';

}else

{

$_SESSION ['client'] ['name'] ='';

$_SESSION ['client'] ['sname'] ='';

$_SESSION ['client'] ['fhone'] ='';

$_SESSION ['client'] ['email'] ='';

$_SESSION ['client'] ['address'] ='';

}

if($done) $id='';

if($id)

{

$cd=mes($id, 'idc', 'cd');

echo"<center><table bgcolor=$color2 width=95% cellspacing=2 cellpadding=6>

<tr bgcolor=$color1><td><b>Название: </b> ". $cd ['title']. "</td></tr>

<tr bgcolor=$color1><td><b>Описание</b>: ". $cd ['description']. "</td></tr>

<tr bgcolor=$color1><td><b>Цена: </b> ". $cd ['price']. "</td></tr>

<tr><td>Количество: <br><input type='text' name='count' value=1 size='3' maxlength=3></td></tr>

<tr><td>Фамилия: <br><input type='text' name='sname' value='". $_SESSION ['client'] ['sname']. "' size='15' maxlength=15></td></tr>

<tr><td>Адрес электронной почты: <br><input type='text' name='email' value='". $_SESSION ['client'] ['email']. "' size='30' maxlength=30></td></tr>

<tr><td>Введите номер телефона без пробелов и разделителей: <br><input type='text' name='fhone' value='". $_SESSION ['client'] ['fhone']. "' size=12 maxlength=12></td></tr>

<tr><td>Введите адрес почтовой доставки: <br><textarea name=address cols=50 rows=3>". $_SESSION ['client'] ['address']. "</textarea></td></tr>

</td></tr></table></center></form>";

}

else

{

? >

<tr>

<td width=30%><b>Название</b></td>

<td width=60%><b>Описание</b></td>

</tr>

$num=ids('cd', 'idc');

for($i=0; $i<sizeof($num); $i++)

{

$cd=mes($num [$i], 'idc', 'cd');

echo"<tr bgcolor=$color1><td>

<a href=InternetTechnology. php? mode=shop&id=". $cd ['idc']. ">". $cd ['title']. "</a></td><td>". $cd ['description']. "</td>

<td>". $cd ['price']. "</td></tr>";

}echo" </table></form>";

}

? >

Г.2 Листинг модуля "shopping. php"

$pod=isset($_REQUEST ['pod'])? $_REQUEST ['pod']: '';

if($pod)

{

if(! session_id()) session_start();

echo"<meta http-equiv='Content-Type' content='text/html; charset=windows-1251'>";