update install ways

install/install.php

@@ -6,10 +6,19 @@
 }
 
 require_once("../system.php");
-$sql = file_get_contents("./install.sql");
-$db = createPDO();
+
+$dbconf = $config["DB"];
+$tablepre = $dbconf["tablepre"];
+$charset = $dbconf["charset"];
+
+ob_start();
+require("install.sql");
+$sql = ob_get_contents();
+ob_end_clean();
+
+$db = PDO_prepare($sql);
 try{
-	$db->exec($sql);
+	$db->execute();
 	echo "success\n";
 }catch(PDOException $e){
 	echo "SQL ERROR \n";

install/install.sql

@@ -1,8 +1,20 @@
-CREATE TABLE `account` (
+<?php
+# This file will be required in "install.php", so you can use php code here.
+if(!defined("IN_SYSTEM"))
+	die("Access Denied");
+?>
+
+CREATE TABLE `<?=$tablepre?>account` (
 	`id` int AUTO_INCREMENT,
 	`account` varchar(30) NOT NULL UNIQUE,
 	`password` varchar(30) NOT NULL,
 	`email` varchar(255) NOT NULL UNIQUE,
 	`nickname` text NOT NULL,
 	PRIMARY KEY (`id`)
-) ENGINE=MyISAM CHARSET=utf8
+) ENGINE=MyISAM CHARSET=<?=$charset?>;
+
+CREATE TABLE `<?=$tablepre?>session` (
+	`id` int,
+	`expire` timestamp,
+	`cookie` varchar(32)
+) ENGINE=MyISAM CHARSET=<?=$charset?>;