/**
* 获取一个指定类型的数据库实例
*
* @return Minifw\DB 数据库唯一的实例
*/
public static function get($args = [])
{
$type = '';
if (isset($args['type'])) {
$type = strval($args['type']);
}
if ($type == '') {
$type = Minifw\Config::get('main', 'db', '');
}
if ($type == '') {
throw new Minifw\Exception("未指定数据库类型");
}
$class_name = __NAMESPACE__ . "\\DB\\" . $type;
if (!class_exists($class_name)) {
throw new Minifw\Exception("类型不存在");
}
return $class_name::get_instance($args);
}
public function __construct($config = ['/config.php'])
{
if (!defined('WEB_ROOT')) {
if (isset($_SERVER['DOCUMENT_ROOT']) && $_SERVER['DOCUMENT_ROOT'] != '') {
define('WEB_ROOT', $_SERVER['DOCUMENT_ROOT']);
} else {
die('"WEB_ROOT" is not define.');
}
}
Config::load_config($config);
if (!defined('DEBUG')) {
define('DEBUG', Minifw\Config::get('debug', 'debug', 0));
}
if (!defined('DBPREFIX')) {
define('DBPREFIX', Minifw\Config::get('main', 'dbprefix', ''));
}
date_default_timezone_set(Minifw\Config::get('main', 'timezone', 'UTC'));
//设置错误处理函数
set_error_handler([__NAMESPACE__ . '\\Error', 'captureNormal']);
//设置异常处理函数
set_exception_handler([__NAMESPACE__ . '\\Error', 'captureException']);
//设置停机处理函数
register_shutdown_function([__NAMESPACE__ . '\\Error', 'captureShutdown']);
}
/**
* 保存通过表单提交的文件
*
* @param array $file 要上传的文件
* @param string $group 文件分组
* @param string $fsencoding 文件系统的编码，如不为空则会自动进行一些编码转换
* @return string 保存的相对路径
*/
public static function upload_file($file, $group, $fsencoding = '')
{
if (empty($file)) {
return '';
}
if ($file['error'] != 0) {
$error = '';
switch ($file['error']) {
case '1':
$error = '超过服务器允许的大小。';
break;
case '2':
$error = '超过表单允许的大小。';
break;
case '3':
$error = '文件只有部分被上传。';
break;
case '4':
$error = '请选择文件。';
break;
case '6':
$error = '找不到临时目录。';
break;
case '7':
$error = '写文件到硬盘出错。';
break;
case '8':
$error = '文件传输被扩展终止。';
break;
case '999':
default:
$error = '未知错误。';
}
return self::error($error);
}
$dirmap = Config::get('upload');
if (!isset($dirmap[$group])) {
return self::error('文件分组错误');
}
$allow = $dirmap[$group]['allow'];
$base_dir = $dirmap[$group]['path'];
$pinfo = pathinfo($file['name']);
$ext = strtolower($pinfo['extension']);
if (!in_array($ext, $allow)) {
return self::error('不允许的文件类型');
}
$name = self::mkname(WEB_ROOT . $base_dir, '.' . $ext, $fsencoding);
if ($name == '') {
return self::error('同一时间上传的文件过多');
}
$dest = WEB_ROOT . $base_dir . '/' . $name;
$dest = self::conv_to($dest, $fsencoding);
self::mkdir(dirname($dest));
if (move_uploaded_file($file['tmp_name'], $dest)) {
return $base_dir . '/' . $name;
} else {
return self::error('文件移动出错');
}
}
/**
* 私有构造函数
*/
protected function __construct($args = [])
{
parent::__construct();
$ini = Minifw\Config::get('sqlite');
if (!empty($args)) {
$ini['path'] = isset($args['path']) ? strval($args['path']) : $ini['path'];
}
if (empty($ini)) {
throw new Minifw\Exception('数据库未配置');
}
$this->_sqlite = new \SQLite3(WEB_ROOT . $ini['path'], SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE);
}
/**
* 配置系统的主要参数
*/
protected function _set_env()
{
ob_start();
if (!defined('MAGIC_QUOTES_GPC')) {
define('MAGIC_QUOTES_GPC', get_magic_quotes_gpc());
}
$_GET = self::magic_gpc($_GET);
$_POST = self::magic_gpc($_POST);
$_COOKIE = self::magic_gpc($_COOKIE);
header('Content-type:text/html;charset=' . Minifw\Config::get('main', 'encoding', 'utf-8'));
$session_name = Minifw\Config::get('main', 'session', 'PHPSESSION');
session_name($session_name);
session_set_cookie_params(36000, '/', Minifw\Config::get('main', 'domain', ''));
//处理Flash丢失cookie的问题
$session_id = '';
isset($_POST[$session_name]) && ($session_id = strval($_POST[$session_name]));
if ($session_id == '') {
isset($_GET[$session_name]) && ($session_id = strval($_GET[$session_name]));
}
if ($session_id != '') {
session_id($session_id);
}
session_start();
}
/**
* 显示指定的页面模板
*
* @param string $tpl 页面模板
* @param string $args 页面参数
* @param string $theme 模板的主题
*/
public static function display($tpl, $args, $theme = '', $die = true)
{
self::$render = true;
$theme = $theme == '' ? Minifw\Config::get('main', 'theme') : $theme;
$tpl_src = WEB_ROOT . self::$theme_path . '/' . $theme . '/page' . $tpl . '.html';
$tpl_dest = WEB_ROOT . self::$compiled_path . '/' . $theme . '/page' . $tpl . '.php';
try {
if (self::_compile($tpl_src, $tpl_dest, $theme)) {
extract(self::$_varis);
include $tpl_dest;
}
} catch (\Exception $ex) {
ob_end_clean();
if (DEBUG) {
throw $ex;
}
if ($die) {
die;
} else {
return false;
}
}
if (DEBUG && !empty(self::$_error)) {
$content = ob_get_clean();
echo '<pre>';
print_r(self::$_error);
echo '</pre>' . $content;
} else {
ob_end_flush();
}
if ($die) {
die;
} else {
return true;
}
}
/**
* 显示404页面
*/
public static function show_404()
{
header("HTTP/1.1 404 Not Found");
header("status: 404 not found");
die(readfile(WEB_ROOT . Minifw\Config::get('main', 'err_404')));
}
public static function show_304($mtime)
{
$expire = gmdate('D, d M Y H:i:s', time() + self::$cache_time) . ' GMT';
header('Expires: ' . $expire);
header('Pragma: cache');
header('Cache-Control: max-age=' . self::$cache_time);
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $mtime) . ' GMT');
header('Etag: ' . $mtime);
if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && trim($_SERVER['HTTP_IF_NONE_MATCH']) == $mtime) {
header('HTTP/1.1 304 Not Modified');
die(0);
}
}
/**
* 生成到前一个页面的链接
*
* @param string $default 如果referer不存在则返回该值
* @return string 生成的链接
*/
public static function referer($default = '')
{
if (isset($_SERVER['HTTP_REFERER'])) {
$url = $_SERVER['HTTP_REFERER'];
} else {
$url = $default;
}
return $url;
}
}
Server::$cache_time = Config::get('main', 'cache', 3600);
/**
* 私有构造函数
*/
protected function __construct($args = [])
{
parent::__construct();
$ini = Minifw\Config::get('mysql');
if (!empty($args)) {
$ini['host'] = isset($args['host']) ? strval($args['host']) : $ini['host'];
$ini['username'] = isset($args['username']) ? strval($args['username']) : $ini['username'];
$ini['password'] = isset($args['password']) ? strval($args['password']) : $ini['password'];
$ini['dbname'] = isset($args['dbname']) ? strval($args['dbname']) : $ini['dbname'];
$ini['encoding'] = isset($args['encoding']) ? strval($args['encoding']) : $ini['encoding'];
}
if (empty($ini)) {
throw new Minifw\Exception('数据库未配置');
}
$this->_host = $ini['host'];
$this->_username = $ini['username'];
$this->_password = $ini['password'];
$this->_dbname = $ini['dbname'];
$this->_encoding = $ini['encoding'];
$this->_mysqli = new \mysqli($this->_host, $this->_username, $this->_password, $this->_dbname);
if ($this->_mysqli->connect_error) {
throw new Minifw\Exception('数据库连接失败');
}
if (!$this->_mysqli->set_charset($this->_encoding)) {
throw new Minifw\Exception('数据库查询失败');
}
}
