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- <?php
- // +----------------------------------------------------------------------
- // | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
- // +----------------------------------------------------------------------
- // | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
- // +----------------------------------------------------------------------
- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
- // +----------------------------------------------------------------------
- // | Author: liu21st <liu21st@gmail.com>
- // +----------------------------------------------------------------------
- namespace Think;
- /**
- * ThinkPHP 引导类
- */
- class Think
- {
- // 类映射
- private static $_map = array();
- // 实例化对象
- private static $_instance = array();
- /**
- * 应用程序初始化
- * @access public
- * @return void
- */
- public static function start()
- {
- // 注册AUTOLOAD方法
- spl_autoload_register('Think\Think::autoload');
- // 设定错误和异常处理
- register_shutdown_function('Think\Think::fatalError');
- set_error_handler('Think\Think::appError');
- set_exception_handler('Think\Think::appException');
- // 初始化文件存储方式
- Storage::connect(STORAGE_TYPE);
- $runtimefile = RUNTIME_PATH . APP_MODE . '~runtime.php';
- if (!APP_DEBUG && Storage::has($runtimefile)) {
- Storage::load($runtimefile);
- } else {
- //在高并发状态下,这里容易引起死锁,建议去掉这里的删除和重建,毕竟后面已经有一个删除和重建操作了
- /*if (Storage::has($runtimefile)) {
- Storage::unlink($runtimefile);
- }*/
- $content = '';
- // 读取应用模式
- $mode = include is_file(CONF_PATH . 'core.php') ? CONF_PATH . 'core.php' : MODE_PATH . APP_MODE . '.php';
- // 加载核心文件
- foreach ($mode['core'] as $file) {
- if (is_file($file)) {
- include $file;
- if (!APP_DEBUG) {
- $content .= compile($file);
- }
- }
- }
- // 加载应用模式配置文件
- foreach ($mode['config'] as $key => $file) {
- is_numeric($key) ? C(load_config($file)) : C($key, load_config($file));
- }
- // 读取当前应用模式对应的配置文件
- if ('common' != APP_MODE && is_file(CONF_PATH . 'config_' . APP_MODE . CONF_EXT)) {
- C(load_config(CONF_PATH . 'config_' . APP_MODE . CONF_EXT));
- }
- // 加载模式别名定义
- if (isset($mode['alias'])) {
- self::addMap(is_array($mode['alias']) ? $mode['alias'] : include $mode['alias']);
- }
- // 加载应用别名定义文件
- if (is_file(CONF_PATH . 'alias.php')) {
- self::addMap(include CONF_PATH . 'alias.php');
- }
- // 加载模式行为定义
- if (isset($mode['tags'])) {
- Hook::import(is_array($mode['tags']) ? $mode['tags'] : include $mode['tags']);
- }
- // 加载应用行为定义
- if (is_file(CONF_PATH . 'tags.php'))
- // 允许应用增加开发模式配置定义
- {
- Hook::import(include CONF_PATH . 'tags.php');
- }
- // 加载框架底层语言包
- L(include THINK_PATH . 'Lang/' . strtolower(C('DEFAULT_LANG')) . '.php');
- if (!APP_DEBUG) {
- $content .= "\nnamespace { Think\\Think::addMap(" . var_export(self::$_map, true) . ");";
- $content .= "\nL(" . var_export(L(), true) . ");\nC(" . var_export(C(), true) . ');Think\Hook::import(' . var_export(Hook::get(), true) . ');}';
- Storage::put($runtimefile, strip_whitespace('<?php ' . $content));
- } else {
- // 调试模式加载系统默认的配置文件
- C(include THINK_PATH . 'Conf/debug.php');
- // 读取应用调试配置文件
- if (is_file(CONF_PATH . 'debug' . CONF_EXT)) {
- C(include CONF_PATH . 'debug' . CONF_EXT);
- }
- }
- }
- // 读取当前应用状态对应的配置文件
- if (APP_STATUS && is_file(CONF_PATH . APP_STATUS . CONF_EXT)) {
- C(include CONF_PATH . APP_STATUS . CONF_EXT);
- }
- // 设置系统时区
- date_default_timezone_set(C('DEFAULT_TIMEZONE'));
- // 检查应用目录结构 如果不存在则自动创建
- if (C('CHECK_APP_DIR')) {
- $module = defined('BIND_MODULE') ? BIND_MODULE : C('DEFAULT_MODULE');
- if (!is_dir(APP_PATH . $module) || !is_dir(LOG_PATH)) {
- // 检测应用目录结构
- Build::checkDir($module);
- }
- }
- // 记录加载文件时间
- G('loadTime');
- // 运行应用
- App::run();
- }
- // 注册classmap
- public static function addMap($class, $map = '')
- {
- if (is_array($class)) {
- self::$_map = array_merge(self::$_map, $class);
- } else {
- self::$_map[$class] = $map;
- }
- }
- // 获取classmap
- public static function getMap($class = '')
- {
- if ('' === $class) {
- return self::$_map;
- } elseif (isset(self::$_map[$class])) {
- return self::$_map[$class];
- } else {
- return null;
- }
- }
- /**
- * 类库自动加载
- * @param string $class 对象类名
- * @return void
- */
- public static function autoload($class)
- {
- // 检查是否存在映射
- if (isset(self::$_map[$class])) {
- include self::$_map[$class];
- } elseif (false !== strpos($class, '\\')) {
- $name = strstr($class, '\\', true);
- if (in_array($name, array('Think', 'Org', 'Behavior', 'Com', 'Vendor')) || is_dir(LIB_PATH . $name)) {
- // Library目录下面的命名空间自动定位
- $path = LIB_PATH;
- } else {
- // 检测自定义命名空间 否则就以模块为命名空间
- $namespace = C('AUTOLOAD_NAMESPACE');
- $path = isset($namespace[$name]) ? dirname($namespace[$name]) . '/' : APP_PATH;
- }
- $filename = $path . str_replace('\\', '/', $class) . EXT;
- if (is_file($filename)) {
- // Win环境下面严格区分大小写
- if (IS_WIN && false === strpos(str_replace('/', '\\', realpath($filename)), $class . EXT)) {
- return;
- }
- include $filename;
- }
- } elseif (!C('APP_USE_NAMESPACE')) {
- // 自动加载的类库层
- foreach (explode(',', C('APP_AUTOLOAD_LAYER')) as $layer) {
- if (substr($class, -strlen($layer)) == $layer) {
- if (require_cache(MODULE_PATH . $layer . '/' . $class . EXT)) {
- return;
- }
- }
- }
- // 根据自动加载路径设置进行尝试搜索
- foreach (explode(',', C('APP_AUTOLOAD_PATH')) as $path) {
- if (import($path . '.' . $class))
- // 如果加载类成功则返回
- {
- return;
- }
- }
- }
- }
- /**
- * 取得对象实例 支持调用类的静态方法
- * @param string $class 对象类名
- * @param string $method 类的静态方法名
- * @return object
- */
- public static function instance($class, $method = '')
- {
- $identify = $class . $method;
- if (!isset(self::$_instance[$identify])) {
- if (class_exists($class)) {
- $o = new $class();
- if (!empty($method) && method_exists($o, $method)) {
- self::$_instance[$identify] = call_user_func(array(&$o, $method));
- } else {
- self::$_instance[$identify] = $o;
- }
- } else {
- self::halt(L('_CLASS_NOT_EXIST_') . ':' . $class);
- }
- }
- return self::$_instance[$identify];
- }
- /**
- * 自定义异常处理
- * @access public
- * @param mixed $e 异常对象
- */
- public static function appException($e)
- {
- $error = array();
- $error['message'] = $e->getMessage();
- $trace = $e->getTrace();
- if ('E' == $trace[0]['function']) {
- $error['file'] = $trace[0]['file'];
- $error['line'] = $trace[0]['line'];
- } else {
- $error['file'] = $e->getFile();
- $error['line'] = $e->getLine();
- }
- $error['trace'] = $e->getTraceAsString();
- Log::record($error['message'], Log::ERR);
- // 发送404信息
- header('HTTP/1.1 404 Not Found');
- header('Status:404 Not Found');
- self::halt($error);
- }
- /**
- * 自定义错误处理
- * @access public
- * @param int $errno 错误类型
- * @param string $errstr 错误信息
- * @param string $errfile 错误文件
- * @param int $errline 错误行数
- * @return void
- */
- public static function appError($errno, $errstr, $errfile, $errline)
- {
- switch ($errno) {
- case E_ERROR:
- case E_PARSE:
- case E_CORE_ERROR:
- case E_COMPILE_ERROR:
- case E_USER_ERROR:
- ob_end_clean();
- $errorStr = "$errstr " . $errfile . " 第 $errline 行.";
- if (C('LOG_RECORD')) {
- Log::write("[$errno] " . $errorStr, Log::ERR);
- }
- self::halt($errorStr);
- break;
- default:
- $errorStr = "[$errno] $errstr " . $errfile . " 第 $errline 行.";
- self::trace($errorStr, '', 'NOTIC');
- break;
- }
- }
- // 致命错误捕获
- public static function fatalError()
- {
- Log::save();
- if ($e = error_get_last()) {
- switch ($e['type']) {
- case E_ERROR:
- case E_PARSE:
- case E_CORE_ERROR:
- case E_COMPILE_ERROR:
- case E_USER_ERROR:
- ob_end_clean();
- self::halt($e);
- break;
- }
- }
- }
- /**
- * 错误输出
- * @param mixed $error 错误
- * @return void
- */
- public static function halt($error)
- {
- $e = array();
- if (APP_DEBUG || IS_CLI) {
- //调试模式下输出错误信息
- if (!is_array($error)) {
- $trace = debug_backtrace();
- $e['message'] = $error;
- $e['file'] = $trace[0]['file'];
- $e['line'] = $trace[0]['line'];
- ob_start();
- debug_print_backtrace();
- $e['trace'] = ob_get_clean();
- } else {
- $e = $error;
- }
- if (IS_CLI) {
- exit((IS_WIN ? iconv('UTF-8', 'gbk', $e['message']) : $e['message']) . PHP_EOL . 'FILE: ' . $e['file'] . '(' . $e['line'] . ')' . PHP_EOL . $e['trace']);
- }
- } else {
- //否则定向到错误页面
- $error_page = C('ERROR_PAGE');
- if (!empty($error_page)) {
- redirect($error_page);
- } else {
- $message = is_array($error) ? $error['message'] : $error;
- $e['message'] = C('SHOW_ERROR_MSG') ? $message : C('ERROR_MESSAGE');
- }
- }
- // 包含异常页面模板
- $exceptionFile = C('TMPL_EXCEPTION_FILE', null, THINK_PATH . 'Tpl/think_exception.tpl');
- include $exceptionFile;
- exit;
- }
- /**
- * 添加和获取页面Trace记录
- * @param string $value 变量
- * @param string $label 标签
- * @param string $level 日志级别(或者页面Trace的选项卡)
- * @param boolean $record 是否记录日志
- * @return void|array
- */
- public static function trace($value = '[think]', $label = '', $level = 'DEBUG', $record = false)
- {
- static $_trace = array();
- if ('[think]' === $value) {
- // 获取trace信息
- return $_trace;
- } else {
- $info = ($label ? $label . ':' : '') . print_r($value, true);
- $level = strtoupper($level);
- if ((defined('IS_AJAX') && IS_AJAX) || !C('SHOW_PAGE_TRACE') || $record) {
- Log::record($info, $level, $record);
- } else {
- if (!isset($_trace[$level]) || count($_trace[$level]) > C('TRACE_MAX_RECORD')) {
- $_trace[$level] = array();
- }
- $_trace[$level][] = $info;
- }
- }
- }
- }
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