[es] - OOP prvi koraci

Bojan Zivanovic
Freelance programer
Pančevo,Srbija

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OOP prvi koraci - pomoc

^{04.03.2005. u 13:29 - pre 232 meseci}

Pisem program za management biblioteke, znaci unos knjiga,pretrazivanje iznajmljivanje.
Odlucio sam da iskoristim ovu priliku da zaronim u OOP.
Medjutim moja install skripta ne radi, pogledajte kod pa mi kazite u cemu se radi...
install.php

Code:

<?php
include('include/lib.php');

$library = new library;
$db = new mysql;
$library->setPage('install');

if(isset($_POST['install'])) {
    $library->setConfig($_POST);
    $library->writeConfig();
    $db->createTable();
    $library->setSubpage('done');
}
else {
    $library->setSubpage('config');
}

$db->disconnect();
$library->display();

?>

a lib:

Code:

include('settings.php');
class mysql {
    public $dbuser;
    public $dbpass;
    public $db;
    public $dbhost;
    private $link;

    function connect() {
    $link = mysql_connect($dbhost, $dbuser, $dbpass) or die("SQL Greska: " . mysql_error());
    mysql_select_db($db);
    return $link;
    }
    function disconnect() {
    mysql_close($link);
    }
    function query($sql) {
    $result = mysql_query($sql);
    return $result;
    }
    function createTable() {
    $sql = '
    CREATE TABLE books (
    id int NOT NULL auto_increment,
    writter varchar(60),
    title varchar(60),
    year varchar(4),
    publisher varchar(60),
    number int,
    taken int,
    PRIMARY KEY (id)
    );
    ';
    if(!$link) $this->connect();
    $this->query($sql);
    }
    function newBook($writter,$title, $year, $publisher, $number) {
    $sql = "INSERT INTO books (writter, title, year, publisher, number) VALUES($writter, $title, $year, $publisher, $number)";
    if(!$link) $this->connect;
    $this->query($sql);
    }
}

class library {
    private $admin_user;
    private $admin_pass;
    private $admin_email;
    private $dbuser;
    private $dbpass;
    private $db;
    private $dbhost;
    private $page;
    private $subpage;

    function setConfig($array) {
        explode($array);
    }
    function writeConfig() {
    $config = '
<?php
#
# Biblioteka.PHP 1.0
#
\$admin_user = "$admin_user";
\$admin_pass = "$admin_pass";
\$admin_email = "$admin_email";
\$db = "$db";
\$dbhost = "$dbhost";
\$dbuser = "$dbuser";
\$dbpass = "$dbpass";
?>';
    $file = fopen('include/settings.php', 'w');
    fwrite($file, $config);
    fclose($file);
    }
    function setPage($npage) {
    $page = $npage;
    return $page;
    }
    function setSubpage($nsubpage) {
        $subpage = $nsubpage;
    }
    function display() {
        include("html/{$page}/header.html");
        include("html/{$page}/{$subpage}.html");
        include("html/footer.html");
    }
}

A evo sta mi ispise install

Code:

1245
Warning: mysql_close(): supplied argument is not a valid MySQL-Link resource in
/var/www/localhost/htdocs/biblioteka/include/lib.php on line 20

Warning: library::display(html//header.html) [function.display]: failed to open stream:
No such file or directory in /var/www/localhost/htdocs/biblioteka/include/lib.php on line 89

Warning: library::display() [function.include]: Failed opening 'html//header.html' for inclusion
(include_path='.:/usr/local/lib/php') in /var/www/localhost/htdocs/biblioteka/include/lib.php on line 89

Warning: library::display(html//.html) [function.display]: failed to open stream:
No such file or directory in /var/www/localhost/htdocs/biblioteka/include/lib.php on line 90

Warning: library::display() [function.include]: Failed opening 'html//.html' for inclusion
(include_path='.:/usr/local/lib/php') in /var/www/localhost/htdocs/biblioteka/include/lib.php on line 90
Powered by Biblioteka.PHP 1.0

Pocetnik sam sto se objektno orjentisanog programiranja tice, tako da bi mi najvise odgovaralo da me sto vise iskritikujete...
pozdrav,
Bojan

P.S. Ova podesavlja za bazu, te promenjljive, jel mogu da budu private? Ja bih rekao da mogu...

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