200行描述MVC,读完kohana总结的一点笔记
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2022-05-17 09:33:57
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200行大点,读完kohana总结的一点笔记。 无 ?php header('Content-type: text/html; charset=utf-8'); define('__ROOT__',str_replace('\\','/', __DIR__ )); //set_exception_handler(array("Factory","last_fun")); 设置一个用户定义的异常处理函数 Factory
200行大点,读完kohana总结的一点笔记。
$val) { $value[$key] = self::sanitize($val); } } elseif (is_string($value)) { if (self::$magic_quotes === TRUE) { $value = stripslashes($value); } if (strpos($value, "\r") !== FALSE) { $value = str_replace(array("\r\n", "\r"), "\n", $value); } } return $value; } public function __set($k,$v) { $this->$k = $v; } public function __call($method,$arg) { echo '错误指定页面'; print_r($arg); //错误指定页面 } public static function __callStatic($method,$arg) { print_r($arg); //错误指定页面 静态的好像不太可能 先写这儿了 } public function assign($key,$value) { $this->data[$key] = $value; } //引入模板 public function display($template,$ext = '.html') { $template_path = $template.$ext; if(file_exists($template_path)){ foreach ($this->data as $k=>$v){ $this->__set($k,$v); } include $template_path; } } } //控制器 class IndexAction extends ProductInterface { public function index() { print_r( $_GET); //$body = file_get_contents('php://input'); //print_r($body); //结果为 member_id=1234567 enctype="multipart/form-data" // print_r($_POST); //结果为 Array ( [member_id] => 1234567 ) //$model= new Article('article'); // $arr= $model->select('SELECT * FROM article limit 2'); //print_r($arr); } public function admin($array) { $model= new Article('article'); $array=array(); $array['rec']='admins'; $array['pos']='李斯'; $array['content']='hellow world'; echo $model->add($array); } } ///控制器2 class AdminAction extends ProductInterface { public function index($array) { echo __method__.'方法'; } } class Factory { protected static $ins=null; protected function __construct(){ ob_start(); //打开缓冲区 static::autoLoad(); register_shutdown_function(array('Factory','last')); //程序执行完后执行 } public static function getIns($url){ if(self::$ins instanceof self ){ self::$ins->execute($url); }else{ self::$ins = new self(); self::$ins->execute($url); } } protected function set_router($uri) { /* $uri='index/admin'; // $route_regex='#^(?:(?P[^/.,;?\n]++)(?:/(?P[^/.,;?\n]++)(?:/(?P[^/.,;?\n]++))?)?)?$#uD'; //$route_regex='#^captcha(?:/(?P[^/.,;?\n]++))?$#uD'; $route_regex='#^(?:(?P[^/.,;?\n]++)(?:/(?P [^/.,;?\n]++)(?:/(?P [^/.,;?\n]++))?)?)?$#uD'; if ( ! preg_match($route_regex, $uri, $matches)) { echo '没有匹配上'; } else { print_r($matches); } */ $arr=array(); if (strpos($uri,'?') === false) { $pathinfo=array(); if (!empty($_SERVER['PATH_INFO'])) { $arg=trim($_SERVER['PATH_INFO'],'/'); } else if ($request_uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH)){ //有效的URL路径发现,设置它。 $arg= trim($request_uri,'/'); } if(stripos($arg,'/') !== false) { $pathinfo=explode('/',$arg); } $arr['ctrolloer']= isset($pathinfo[0])? $pathinfo[0] : 'index' ; array_shift($pathinfo); $arr['action']= isset($pathinfo[0])?$pathinfo[0]:'index' ; array_shift($pathinfo); $num=count($pathinfo); for ($i=0;$iset_router($url); $_GET = isset($arr['param']) ? $arr['param'] : array(); $ProductType = ucfirst($arr['ctrolloer']).'Action'; if (class_exists($ProductType)) { $p=new $ProductType(); $p->$arr['action']($arr); } else { throw new Exception("Error Processing Request", 1); } } public static function last()// echo '脚本执行完了'. PHP_EOL; { $info=ob_get_contents(); //得到缓冲区的内容并且赋值给$info $file=fopen($_SERVER['DOCUMENT_ROOT'].DIRECTORY_SEPARATOR.'indexs.html','w'); ///打开文件 指定缓存目录 fwrite($file,$info); //写入信息到info.txt fclose($file); //关闭文件info.txt //ob_end_clean(); ob_end_flush(); flush(); } static public function loadFile($className) { $dir=array(); $dir[0]=__ROOT__.'/application/'; //指定多个目录 $dir[1]=__ROOT__.'/module/'; $file_arr=self::find_file($dir,$className); foreach($file_arr as $value){ if(is_file($value) ){ return include_once $value; }else{ throw new \Exception('找不到'.$className.'类'); } } } public static function find_file($paths=array(),$name) { $name=ucfirst($name).'.php'; $found=array(); foreach ($paths as $dir){ if (is_file($dir.$name)){ $found[] = $dir.$name; } } return $found; } // 注册自动装载机 static public function autoLoad() { spl_autoload_register( array(__CLASS__,'loadFile') ); } // 注册自动装载机2 //如有必要注册多个自动加载函数 static public function autoLoad2() { spl_autoload_register( array(__CLASS__,'loadFile2') ); } } abstract class DB{ public $db=NULL; public $table=NULL; public $config=array( 'dsn'=>'mysql:dbname=test;host=127.0.0.1', 'user'=>'root', 'password'=>'root', 'charset'=>'utf8', 'persistent'=>false //持久性链接 ); public $options = array( PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES ", ); public function __construct($table){ $this->table=$table; $this->options[PDO::MYSQL_ATTR_INIT_COMMAND] .= $this->config ['charset']; if($this->config ['persistent']){ $this->options[PDO::ATTR_PERSISTENT] = true; } try { // 长连接,如有需要将array(PDO::ATTR_PERSISTENT=>true) 作为第四个参数 $this->db=$pdo = new \PDO ( $this->config ['dsn'],$this->config ['user'],$this->config ['password'],$this->options); //$dbh->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_SILENT); //不显示错误 $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);//显示警告错误,并继续执行 $this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);//产生致命错误,PDOException //$this->db->exec('set names utf8'); } catch ( \Exception $e ) { throw new \Exception ( $e->getMessage () ); } } public function query($sql){ return $re=$this->db->query($sql); } public function select($sql) /*查询*/ { $re=$this->query($sql); return $re->fetchAll(); } public function add($arr=array()){ /*添加*/ $sql = 'insert into ' . $this->table . ' (' . implode(',',array_keys($arr)) . ')'; $sql .= " values ('"; $sql .= implode("','",array_values($arr)); $sql .= "')"; $stmt = $this->db->prepare($sql); $stmt->execute($arr); echo $this->db->lastinsertid(); } public function update($arr,$where = ' where 1 limit 1'){ /*修改*/ //$sql = "UPDATE `user` SET `password`=:password WHERE `user_id`=:userId"; $sql = 'update ' . $this->table .' set '; foreach($arr as $k=>$v) { $sql .= $k . "='" . $v ."',"; } $sql = rtrim($sql,','); $sql .= $where; $stmt = $this->db->prepare($sql); $stmt->execute($arr); return $stmt->rowCount(); } public function delete($sql){ /*删除*/ $stmt = $this->db->prepare($sql); $stmt->execute(); return $stmt->rowCount(); } } ////可以每一张表一个类 统一继承DB类。。。。。 class Article extends DB{ } ?>
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