PHP throw_exception函数代码示例

 /**
  * 返回工厂实例，单例模式
  */
 public static function factory($options)
 {
     $options = is_array($options) ? $options : array();
     //只实例化一个对象
     if (is_null(self::$cacheFactory)) {
         self::$cacheFactory = new cacheFactory();
     }
     $driver = isset($options['driver']) ? $options['driver'] : C("CACHE_TYPE");
     //静态缓存实例名称
     $driverName = md5_d($options);
     //对象实例存在
     if (isset(self::$cacheFactory->cacheList[$driverName])) {
         return self::$cacheFactory->cacheList[$driverName];
     }
     $class = 'Cache' . ucwords(strtolower($driver));
     //缓存驱动
     $classFile = HDPHP_DRIVER_PATH . 'Cache/' . $class . '.class.php';
     //加载驱动类库文件
     if (!require_cache($classFile)) {
         throw_exception("缓存类型指定错误，不存在缓存驱动文件:" . $classFile);
     }
     $cacheObj = new $class($options);
     self::$cacheFactory->cacheList[$driverName] = $cacheObj;
     return self::$cacheFactory->cacheList[$driverName];
 }

 /**
  * 连接数据库方法
  * @access public
  * @throws ThinkExecption
  */
 public function connect($config = '', $linkNum = 0, $force = false)
 {
     if (!isset($this->linkID[$linkNum])) {
         if (empty($config)) {
             $config = $this->config;
         }
         // 处理不带端口号的socket连接情况
         $host = $config['hostname'] . ($config['hostport'] ? ":{$config['hostport']}" : '');
         // 是否长连接
         $pconnect = !empty($config['params']['persist']) ? $config['params']['persist'] : $this->pconnect;
         if ($pconnect) {
             $this->linkID[$linkNum] = mysql_pconnect($host, $config['username'], $config['password'], CLIENT_MULTI_RESULTS);
         } else {
             $this->linkID[$linkNum] = mysql_connect($host, $config['username'], $config['password'], true, CLIENT_MULTI_RESULTS);
         }
         if (!$this->linkID[$linkNum] || !empty($config['database']) && !mysql_select_db($config['database'], $this->linkID[$linkNum]) || C('SPARE_DB_DEBUG')) {
             $errStr = mysql_error();
             $errno = mysql_errno();
             if ($errno == 13047 || C('SPARE_DB_DEBUG')) {
                 if (C('SMS_ALERT_ON')) {
                     Sms::send('mysql超额被禁用,请在SAE日志中心查看详情', $errStr, Sms::MYSQL_ERROR);
                 }
                 //[sae]启动备用数据库
                 if (C('SPARE_DB_HOST')) {
                     $this->linkID[$linkNum] = mysql_connect(C('SPARE_DB_HOST') . (C('SPARE_DB_PORT') ? ':' . C('SPARE_DB_PORT') : ''), C('SPARE_DB_USER'), C('SPARE_DB_PWD'), true, CLIENT_MULTI_RESULTS);
                     if (!$this->linkID[$linkNum]) {
                         throw_exception('备用数据库连接失败');
                     }
                     mysql_select_db(C('SPARE_DB_NAME'), $this->linkID[$linkNum]);
                     //标记使用备用数据库状态
                     $this->is_spare = true;
                 } else {
                     throw_exception($errStr);
                 }
             } else {
                 //[sae] 短信预警
                 if (C('SMS_ALERT_ON')) {
                     Sms::send('数据库连接时出错,请在SAE日志中心查看详情', $errStr, Sms::MYSQL_ERROR);
                 }
                 throw_exception($errStr);
             }
         }
         $dbVersion = mysql_get_server_info($this->linkID[$linkNum]);
         if ($dbVersion >= '4.1') {
             //使用UTF8存取数据库 需要mysql 4.1.0以上支持
             mysql_query("SET NAMES '" . C('DB_CHARSET') . "'", $this->linkID[$linkNum]);
         }
         //设置 sql_model
         if ($dbVersion > '5.0.1') {
             mysql_query("SET sql_mode=''", $this->linkID[$linkNum]);
         }
         // 标记连接成功
         $this->connected = true;
         // 注销数据库连接配置信息
         if (1 != C('DB_DEPLOY_TYPE')) {
             unset($this->config);
         }
     }
     return $this->linkID[$linkNum];
 }

 public function run(&$_data)
 {
     $engine = strtolower(C('TMPL_ENGINE_TYPE'));
     if ('think' == $engine) {
         // 采用Think模板引擎
         if ($this->checkCache($_data['file'])) {
             // 缓存有效
             // 分解变量并载入模板缓存
             extract($_data['var'], EXTR_OVERWRITE);
             //载入模版缓存文件
             include C('CACHE_PATH') . md5($_data['file']) . C('TMPL_CACHFILE_SUFFIX');
         } else {
             $tpl = Think::instance('ThinkTemplate');
             // 编译并加载模板文件
             $tpl->fetch($_data['file'], $_data['var']);
         }
     } else {
         // 调用第三方模板引擎解析和输出
         $class = 'Template' . ucwords($engine);
         if (is_file(CORE_PATH . 'Driver/Template/' . $class . '.class.php')) {
             // 内置驱动
             $path = CORE_PATH;
         } else {
             // 扩展驱动
             $path = EXTEND_PATH;
         }
         if (require_cache($path . 'Driver/Template/' . $class . '.class.php')) {
             $tpl = new $class();
             $tpl->fetch($_data['file'], $_data['var']);
         } else {
             // 类没有定义
             throw_exception(L('_NOT_SUPPERT_') . ': ' . $class);
         }
     }
 }

 public function __construct()
 {
     if (!extension_loaded('eAccelerator')) {
         throw_exception('eAccelerator failed to load');
     }
     $this->prefix = $this->config['prefix'] ? $this->config['prefix'] : substr(md5($_SERVER['HTTP_HOST']), 0, 6) . '_';
 }

 /**
  * 连接数据库方法
  * @access public
  */
 public function connect($config = '', $linkNum = 0)
 {
     if (!isset($this->linkID[$linkNum])) {
         if (empty($config)) {
             $config = $this->config;
         }
         $pconnect = !empty($config['params']['persist']) ? $config['params']['persist'] : $this->pconnect;
         $conn = $pconnect ? 'mssql_pconnect' : 'mssql_connect';
         // 处理不带端口号的socket连接情况
         $sepr = IS_WIN ? ',' : ':';
         $host = $config['hostname'] . ($config['hostport'] ? $sepr . "{$config['hostport']}" : '');
         $this->linkID[$linkNum] = $conn($host, $config['username'], $config['password']);
         if (!$this->linkID[$linkNum]) {
             throw_exception("Couldn't connect to SQL Server on {$host}");
         }
         if (!empty($config['database']) && !mssql_select_db($config['database'], $this->linkID[$linkNum])) {
             throw_exception("Couldn't open database '" . $config['database']);
         }
         // 标记连接成功
         $this->connected = true;
         //注销数据库安全信息
         if (1 != C('DB_DEPLOY_TYPE')) {
             unset($this->config);
         }
     }
     return $this->linkID[$linkNum];
 }

 /**
  * 连接数据库方法
  * @access public
  */
 public function connect($config = '', $linkNum = 0)
 {
     if (!isset($this->linkID[$linkNum])) {
         if (empty($config)) {
             $config = $this->config;
         }
         $pconnect = !empty($config['params']['persist']) ? $config['params']['persist'] : $this->pconnect;
         $conn = $pconnect ? 'pg_pconnect' : 'pg_connect';
         $this->linkID[$linkNum] = $conn('host=' . $config['hostname'] . ' port=' . $config['hostport'] . ' dbname=' . $config['database'] . ' user=' . $config['username'] . '  password=' . $config['password']);
         if (0 !== pg_connection_status($this->linkID[$linkNum])) {
             throw_exception($this->error(false));
         }
         //设置编码
         pg_set_client_encoding($this->linkID[$linkNum], C('DB_CHARSET'));
         //$pgInfo = pg_version($this->linkID[$linkNum]);
         //$dbVersion = $pgInfo['server'];
         // 标记连接成功
         $this->connected = true;
         //注销数据库安全信息
         if (1 != C('DB_DEPLOY_TYPE')) {
             unset($this->config);
         }
     }
     return $this->linkID[$linkNum];
 }

 public function run(&$_data)
 {
     $engine = strtolower(C('TMPL_ENGINE_TYPE'));
     $_content = empty($_data['content']) ? $_data['file'] : $_data['content'];
     $_data['prefix'] = !empty($_data['prefix']) ? $_data['prefix'] : C('TMPL_CACHE_PREFIX');
     if ('think' == $engine) {
         // 采用Think模板引擎
         if (!empty($_data['content']) && $this->checkContentCache($_data['content'], $_data['prefix']) || $this->checkCache($_data['file'], $_data['prefix'])) {
             // 缓存有效
             // 分解变量并载入模板缓存
             extract($_data['var'], EXTR_OVERWRITE);
             //载入模版缓存文件
             include C('CACHE_PATH') . $_data['prefix'] . md5($_content) . C('TMPL_CACHFILE_SUFFIX');
         } else {
             $tpl = Think::instance('ThinkTemplate');
             // 编译并加载模板文件
             $tpl->fetch($_content, $_data['var'], $_data['prefix']);
         }
     } else {
         // 调用第三方模板引擎解析和输出
         $class = 'Template' . ucwords($engine);
         if (class_exists($class)) {
             $tpl = new $class();
             $tpl->fetch($_content, $_data['var']);
         } else {
             // 类没有定义
             throw_exception(L('_NOT_SUPPERT_') . ': ' . $class);
         }
     }
 }

 public function __construct()
 {
     if (!function_exists("xcache_info")) {
         throw_exception("Xcache failed to load");
     }
     $this->prefix = $this->config['prefix'] ? $this->config['prefix'] : substr(md5($_SERVER['HTTP_HOST']), 0, 6) . "_";
 }

 /**
  * 连接
  * @access public
  * @param array $options  配置数组
  * @return object
  */
 public static function connect($options = array())
 {
     if (isset($options['type']) && $options['type']) {
         $type = $options['type'];
         unset($options['type']);
     } else {
         //网站配置
         $config = F("Config");
         if ((int) $config['ftpstatus']) {
             $type = 'Ftp';
         } else {
             $type = 'Local';
         }
     }
     //附件存储方案
     $type = trim($type);
     $class = 'Attachment' . ucwords($type);
     import("Driver.Attachment.{$class}", LIB_PATH);
     if (class_exists($class)) {
         $Atta = new $class($options);
     } else {
         throw_exception('无法加载附件上传方案:' . $type);
     }
     return $Atta;
 }

 public function login()
 {
     if (is_empty($this->post->user) || is_empty($this->post->password)) {
         throw_exception("User and Password are required");
     }
     $options['user']['lvl2'] = "one_login";
     $cod['user']['user'] = $this->post->user;
     $cod['user']['password'] = $this->post->password;
     $this->orm->connect();
     $this->orm->read_data(array("user"), $options, $cod);
     $user = $this->orm->get_objects("user");
     #echo $user[0]->get('type');
     $this->orm->close();
     if (is_empty($user)) {
         throw_exception("User or Password Incorrect");
     } else {
         $_SESSION['user']['id'] = $user[0]->get('id');
         $_SESSION['user']['name'] = $user[0]->get('name');
         $_SESSION['user']['user'] = $user[0]->get('user');
         $_SESSION['user']['type'] = $user[0]->get('type');
         $_SESSION['user']['email'] = $user[0]->get('email');
         $this->session = $_SESSION;
         $this->engine->assign('type_warning', 'success');
         $this->engine->assign('msg_warning', "Welcome!");
         $this->temp_aux = 'message.tpl';
     }
 }

 /**
  * Connection database method
  * @access public
  * @throws SenExecption
  */
 public function connect($config = '', $linkNum = 0)
 {
     if (!isset($this->linkID[$linkNum])) {
         if (empty($config)) {
             $config = $this->config;
         }
         $this->linkID[$linkNum] = new mysqli($config['hostname'], $config['username'], $config['password'], $config['database'], $config['hostport'] ? intval($config['hostport']) : 3306);
         if (mysqli_connect_errno()) {
             throw_exception(mysqli_connect_error());
         }
         $dbVersion = $this->linkID[$linkNum]->server_version;
         // Set the database encoding
         $this->linkID[$linkNum]->query("SET NAMES '" . C('DB_CHARSET') . "'");
         //Setup sql_model
         if ($dbVersion > '5.0.1') {
             $this->linkID[$linkNum]->query("SET sql_mode=''");
         }
         // Mark connection successful
         $this->connected = true;
         //Unregister database security information
         if (1 != C('DB_DEPLOY_TYPE')) {
             unset($this->config);
         }
     }
     return $this->linkID[$linkNum];
 }

 public function run(&$_data)
 {
     $engine = strtolower(C('TMPL_ENGINE_TYPE'));
     $_content = empty($_data['content']) ? $_data['file'] : $_data['content'];
     $_data['prefix'] = !empty($_data['prefix']) ? $_data['prefix'] : C('TMPL_CACHE_PREFIX');
     if ('think' == $engine) {
         //[sae] 采用Think模板引擎
         if (!empty($_data['content']) && $this->checkContentCache($_data['content'], $_data['prefix']) || $this->checkCache($_data['file'], $_data['prefix'])) {
             // 缓存有效
             //[sae]，为方便saeCacheBuilder编译， 模板编译缓存不分组
             SaeMC::include_file(C('CACHE_PATH') . $_data['prefix'] . md5($_content) . C('TMPL_CACHFILE_SUFFIX'), $_data['var']);
         } else {
             $tpl = Think::instance('ThinkTemplate');
             // 编译并加载模板文件
             $tpl->fetch($_content, $_data['var'], $_data['prefix']);
         }
     } else {
         // 调用第三方模板引擎解析和输出
         $class = 'Template' . ucwords($engine);
         if (class_exists($class)) {
             $tpl = new $class();
             $tpl->fetch($_content, $_data['var']);
         } else {
             // 类没有定义
             throw_exception(L('_NOT_SUPPERT_') . ': ' . $class);
         }
     }
     //[sae] 添加trace信息。
     if (!SAE_RUNTIME) {
         trace($_SERVER['HTTP_APPVERSION'] . '/' . RUNTIME_FILE, '核心缓存Mecache KEY', 'SAE');
         trace($_SERVER['HTTP_APPVERSION'] . '/' . C('CACHE_PATH') . $_data['prefix'] . md5($_content) . C('TMPL_CACHFILE_SUFFIX'), '模版缓存Mecache KEY', 'SAE');
     }
 }

 public function agregar()
 {
     $parque = new parque($this->post);
     if (is_empty($parque->get('codigo'))) {
         throw_exception("Debe ingresar un codigo");
     }
     if ($parque->get("nivel") == "alto" || $parque->get("nivel") == "bajo") {
     } else {
         throw_exception("El nivel debe de ser alto o bajo");
     }
     if ($parque->get("municipio") == "medellin" || $parque->get("municipio") == "rionegro" || $parque->get("municipio") == "la estrella" || $parque->get(" municipio") == "copacabana" || $parque->get(" municipio") == "guatape") {
     } else {
         throw_exception("El municipio debe de ser medellin, rionegro, la estrella, copacabana o guatape");
     }
     print_r($parque);
     $this->orm->connect();
     $this->orm->insert_data("normal", $parque);
     $this->orm->close();
     settype($data, 'object');
     $data->fecha = date("y-m-d");
     $data->calificacion = 0;
     $data->parque = $parque->get("codigo");
     $calificacion = new calificacion($data);
     $this->orm->connect();
     $this->orm->insert_data("normal", $calificacion);
     $this->orm->close();
     $this->type_warning = "sucess";
     $this->msg_warning = "parque agregado correctamente";
     $this->temp_aux = 'message.tpl';
     $this->engine->assign('type_warning', $this->type_warning);
     $this->engine->assign('msg_warning', $this->msg_warning);
 }

/**
+----------------------------------------------------------
* 缓存检查
* 缓存目录创建、目录权限检查
+----------------------------------------------------------
* @access private 
+----------------------------------------------------------
* @return void
+----------------------------------------------------------
*/
function CheckCache()
{
    //检测模版缓存目录，并尝试创建
    if (!file_exists(CACHE_PATH)) {
        if (!@mkdir(CACHE_PATH)) {
            throw_exception(L('模版缓存目录不存在：') . CACHE_PATH);
        }
    }
    //检测数据缓存目录，并尝试创建
    if (!file_exists(TEMP_PATH)) {
        if (!@mkdir(TEMP_PATH)) {
            throw_exception(L('数据缓存目录不存在：') . TEMP_PATH);
        }
    }
    //检测静态缓存目录，并尝试创建
    if (!file_exists(HTML_PATH)) {
        if (!@mkdir(HTML_PATH)) {
            throw_exception(L('静态缓存目录不存在：') . HTML_PATH);
        }
    }
    //检测日志目录，并尝试创建
    if (!file_exists(LOG_PATH)) {
        if (!@mkdir(LOG_PATH)) {
            throw_exception(L('日志目录不存在：') . LOG_PATH);
        }
    }
    return;
}

	public function __construct(){
		$this->config = C('memcache');
		if (!extension_loaded('memcache') || !is_array($this->config[1])) {
			throw_exception('memcache failed to load');
		}
		$this->init();
	}