php MVC调度器和模板类功能实例

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经测试代码如下： 

/**
 * MVC调度器和模板类
 *
 * @param 
 * @author 编程之家 jb51.cc jb51.cc
 * {loop $array $key $value}..........{/loop} 循环
 * {loop $array $value}..........{/loop} 循环
 * {if condition}...{elseif condition}..{else}..{/if} if条件语句
 * {$val} 输出变量值
 * {eval echo"ok";} 运行PHP代码
 * {template file} 包含另外一个模版
*/
class Template {

 private static $tDir; //模版文件目录
 private static $tTmpDir; //编译好后的文件目录
 private $tVal; //模版变量
 private $tFile; //模版文件
 private $tContent; //模版内容
 private static $uDispatcher; //URL调度器
 private static $real = false; //实时编译

 public function __construct() {
 $this->tVal = array();
}

/**
 * 设置模版文件目录
 * @param string $dir
*/
 public static function setTemplateDir($dir) {
 self::$tDir = $dir;
}

/**
 * 是否实时编译
 * @param bool $real
*/
 public static function setReal($real) {
 self::$real = (bool) $real;
}

/**
 * 临时文件目录
 * @param string $dir
*/
 public static function setTmpDir($dir) {
 if (!file_exists($dir)) {
 if (!mkdir($dir,true))
 die("tmp dir $dir can't to mkdir");
}
 self::$tTmpDir = realpath($dir);
}

/**
 * URL调度器
 * @param Dispatcher $dispatcher
*/
 public static function setU(&$dispatcher) {
 if (is_object($dispatcher) && method_exists($dispatcher,'U')) {
 self::$uDispatcher = $dispatcher;
}
}

/**
 * 变量赋值
 * @param mixed $name
 * @param mixed $value
*/
 public function assign($name,$value) {
 $this->tVal[$name] = $value;
}

/**
 * 取得模版的变量
 * @param string $name
*/
 public function getVal($name) {
 if (isset($this->tVal[$name])) {
 return $this->tVal[$name];
}else
 return false;
}

/**
 * 将运行好后的内容，保存到一个html文件中
 * @param string $tFile
 * @param string $html
*/
 public function saveHtml($tFile,$html) {
ob_start();
$this->display($tFile);
 $buffer = ob_get_contents();
ob_end_clean();
 file_put_contents($html,$buffer);
}

/**
 * 运行并显示模版内容
 * @param string $tfile
*/
 public function display($tFile) {
 $this->tFile = $this->parseTemplatePath($tFile);
 if (!self::$real) {
 if (!file_exists($this->getTmpFile()))
$this->parse();
 elseif ((filemtime($this->tFile) > filemtime($this->getTmpFile())))
$this->parse();
}else
$this->parse();
 extract($this->tVal,EXTR_OVERWRITE);
 include $this->getTmpFile();
}

/**
 * 编译好后的文件
 * @return string $filepath
*/
 private function getTmpFile() {
 $basename = basename($this->tFile);
 $pos = strrpos($basename,'.');
 $tmp = 'tpl_' . substr($basename,$pos) . '.PHP';
 return self::$tTmpDir . '/' . $tmp;
}

 private function parse() {
 $this->tContent = file_get_contents($this->tFile);
$this->parseInclude();
$this->parseSection();
$this->parseVal();
$this->parseEval();
 file_put_contents($this->getTmpFile(),$this->tContent);
}

 private function parseInclude() {
 $this->tContent = preg_replace("/{templates+([a-zA-z0-9._]+)}/ies","$this->subtemplate('$1')",$this->tContent);
}

/**
 * 获取只模版
 * @param string $file
*/
 private function subtemplate($file) {
 return file_get_contents($this->parseTemplatePath($file));
}

/**
 * 解析模版路径
 * @param string $file
 * @return string $filepath
*/
 private function parseTemplatePath($tFile) {
$tFile.='.html';
 $tFile = self::$tDir ? self::$tDir . '/' . $tFile : $tFile;
 if (!file_exists($tFile)) {
 die("No template file $tFile");
 } else {
 $tFile = realpath($tFile);
}
 return $tFile;
}

/**
 * 解析变量
*/
 private function parseVal() {
 $this->tContent = preg_replace("/{(\$S+?)}/is","<?PHP echo \1 ;?>",$this->tContent);
}

/**
 * 解析段落
*/
 private function parseSection() {
//逻辑
 $this->tContent = preg_replace("/{elseifs+(.+?)}/ies","$this->stripvtags('<?PHP } elseif(\1) { ?>','')",$this->tContent);
 $this->tContent = preg_replace("/{else}/is","<?PHP } else { ?>",$this->tContent);
 $this->tContent = preg_replace("/{U((.+?))}/ies","$this->parseUrl('$1')",$this->tContent);
//循环
 for ($i = 0; $i < 6; $i++) {
 $this->tContent = preg_replace("/{loops+(S+)s+(S+)}(.+?){/loop}/ies","$this->stripvtags('<?PHP if(is_array(\1)) { foreach(\1 as \2) { ?>','\3<?PHP } } ?>')",$this->tContent);
 $this->tContent = preg_replace("/{loops+(S+)s+(S+)s+(S+)}(.+?){/loop}/ies","$this->stripvtags('<?PHP if(is_array(\1)) { foreach(\1 as \2 => \3) { ?>','\4<?PHP } } ?>')",$this->tContent);
 $this->tContent = preg_replace("/{ifs+(.+?)}(.+?){/if}/ies","$this->stripvtags('<?PHP if(\1) { ?>','\2<?PHP } ?>')",$this->tContent);
}
}

 private function stripvtags($expr,$statement='') {
 $expr = str_replace("\"",""",preg_replace("/<?=(\$.+?)?>/s","\1",$expr));
 $statement = str_replace("\"",$statement);
 return $expr . $statement;
}

/**
 * 解析PHP语句
*/
 private function parseEval() {
 $this->tContent = preg_replace("/{evals+(.+?)}/is","<?PHP $1 ?>",$this->tContent);
}

/**
 * 解析URL
*/
 private function parseUrl($url) {
 if (is_object(self::$uDispatcher)) {
 return self::$uDispatcher->U($url);
 } else {
 return $url;
}
}

}

?>
<?PHP

/**
 * 控制调度器
 * 先定义APP_PATH常量 制定应用程序目录
 * 默认模块目录 APP_PATH 目录下面的 Action目录
 * 默认控制器为IndexAction
 * 默认模块名为index
 * 默认参数分隔符为"/"，可选"-"
 * 默认入口文件为index.PHP
 * 模块的类名必须和文件同名，比如：IndexModule则它的文件名为IndexModule.class.PHP
 * 可通过setOption方法设置一些参数
 * pathinfo模式支持伪静态
 * 新增普通url模式
 * setOption参数说明
 * 传进去的是数组键值对形式的参数
 * 设置选项条件，可设置的有
 * MODULE_PATH=>查找模块目录的位置
 * DEFAULT_MODULE=>默认Module
 * DEFAULT_ACTION=>默认Action
 * DEBUG=>开启调试(true|false)
 * URL_MODEL=>路由模式(0:普通模式,1:pathinfo模式)
 * URL_DELIMITER=>参数分隔符 pathinfo模式使用
 * URL_HTML_SUFFIX=>'文件后缀' pathinfo模式伪静态使用
 * ENTRY_INDEX=>入口文件
 * URL_ROUTER_ON=>开启自定义路由
 * 普通URL模式U(模块名/操作名?参1=值1&参2=值2)
 * 路由模式U(路由名@?参1=值1&参2=值2)
*/
class Dispatcher {

 private static $instance;
 private static $_SGLOBAL; //调度配置
 private static $route = array(); //泛路由

 private function __construct() {
self::initConfig();
}

 public static function getInstance() {
 if (!self::$instance instanceof self) {
 self::$instance = new self();
}
 return self::$instance;
}

 private function __clone() {

}

/**
 * 运行控制器
*/
 public function run() {
 $route = array();
 if (self::$_SGLOBAL['URL_MODEL'] == 1) {
 $route = $this->pathInfoRoute();
 } else {
 $route = $this->generalRoute();
}
 $modulefile = self::$_SGLOBAL['MODULE_PATH'] ."/{$route['module']}.class.PHP";
 if (file_exists($modulefile)) {
 include $modulefile;
 if (class_exists($route['module'])) {
 $class = new $route['module'];
 if (method_exists($class,$route['action'])) {
 call_user_func(array(&$class,$route['action']));
}else
 die("in <b>{$route['module']}</b> module no this <b>{$route['action']}</b> action");
}else
 die("no this <b>{$route['module']}</b> module");
 }else {
 die("no this <b>{$route['module']}</b> module");
}
 self::$_SGLOBAL['endtime'] = microtime(true);
$this->debugInfo();
}

/**
 * 输出调试信息
*/
 private function debugInfo() {
 if (self::$_SGLOBAL['DEBUG']) {
 $exectime = self::$_SGLOBAL['endtime'] - self::$_SGLOBAL['starttime'];
 $debuginfo = <<<HTML
 <style type="text/css">
 .dispatcher_debug_table th,.dispatcher_debug_table td{padding:5px;}
 .dispatcher_debug_table th{
 border-top:1px solid red;
 border-left:1px solid red;
background-color:#ccc;
}
 .dispatcher_debug_table td{
 border-top:1px solid red;
 border-left:1px solid red;
 border-right:1px solid red;
}
.dispatcher_debug_table_last td,.dispatcher_debug_table_last th{
 border-bottom:1px solid red;
}
 .dispatcher_debug_table_title{border-right:1px solid red;}

</style>
 <table class="dispatcher_debug_table"cellpadding="0"cellspacing="0">
 <tr><th class="dispatcher_debug_table_title">Debug Info</th></tr>
<tr>
 <th>Execute Time</th><td>$exectime s</td>
</tr>
 <tr><th>Include File</th><td>
HTML;
 foreach (get_included_files () as $file) {
 $debuginfo.=$file ."<br/>";
}
 $debuginfo.="<tr><th>Server Info</th><td>";
 $debuginfo.="Host:". $_SERVER['HTTP_HOST'] ."<br/>";
 $debuginfo.="PHP_Version:". PHP_VERSION ."<br/>";
 $debuginfo.="Server_Version:". $_SERVER['SERVER_SOFTWARE'] ."<br/>";
$debuginfo.="</td></tr>";
 $debuginfo.="<tr class='dispatcher_debug_table_last'><th>Client Info</th><td>";
 $debuginfo.="Remote_Addr:". $_SERVER['REMOTE_ADDR'] ."<br/>";
 $debuginfo.="User_Agent:". $_SERVER['HTTP_USER_AGENT'] ."<br/>";
$debuginfo.="</td></tr>";
$debuginfo.="</table>";
 echo $debuginfo;
}
}

 private function generalRoute() {
 $route = array();
 $route['module'] = !empty($_GET['m']) ? $_GET['m'] : self::$_SGLOBAL['DEFAULT_MODULE'];
 $route['action'] = !empty($_GET['a']) ? $_GET['a'] : self::$_SGLOBAL['DEFAULT_ACTION'];
$route['module'].='Action';
unset($_GET['m']);
unset($_GET['a']);
 return $route;
}

/**
 * PATHINFO形式的路由调度
 * 支持伪静态
*/
 private function pathInfoRoute() {
 $route = array();
//伪静态
 if (self::$_SGLOBAL['URL_HTML_SUFFIX']) {
 $pos = strlen($_SERVER['PATH_INFO']) - strlen(self::$_SGLOBAL['URL_HTML_SUFFIX']);
 $_SERVER['PATH_INFO'] = substr($_SERVER['PATH_INFO'],$pos);
}
 if (!$_SERVER['PATH_INFO'] || $_SERVER['PATH_INFO'] == '/') {
 $route = array('module' => self::$_SGLOBAL['DEFAULT_MODULE'],'action' => self::$_SGLOBAL['DEFAULT_ACTION']);
 } else {
 $_SERVER['PATH_INFO'] = substr($_SERVER['PATH_INFO'],1);
 $pathinfo = explode(self::$_SGLOBAL['URL_DELIMITER'],$_SERVER['PATH_INFO']);
//用户自定义路由
 if (self::$_SGLOBAL['URL_ROUTER_ON'] && in_array($pathinfo[0],array_keys(self::$route))) {
 $route['module'] = self::$route[$pathinfo[0]][0];
 $route['action'] = self::$route[$pathinfo[0]][1];
 $c = explode(',',self::$route[$pathinfo[0]][2]);
array_shift($pathinfo);
 foreach ($c as $r) {
 $_GET[$r] = array_shift($pathinfo);
}
 } else {
 if (count($pathinfo) < 2) {
 $route['module'] = $pathinfo[0] . self::$_SGLOBAL['MODULE_SUFFIX'];
 $route['action'] = self::$_SGLOBAL['DEFAULT_ACTION'] . self::$_SGLOBAL['ACTION_SUFFIX'];
 } else {
 $route['module'] = array_shift($pathinfo) . self::$_SGLOBAL['MODULE_SUFFIX'];
 $route['action'] = array_shift($pathinfo) . self::$_SGLOBAL['ACTION_SUFFIX'];
}
}
 if (count($pathinfo) >= 2) {
 for ($i = 0,$cnt = count($pathinfo); $i < $cnt; $i++) {
 if (isset($pathinfo[$i + 1])) {
 $_GET[$pathinfo[$i]] = $pathinfo[++$i];
}
}
}
}
$route['module'].='Action';
 $_REQUEST = array_merge($_GET,$_POST);
 return $route;
}

/**
 * URL地址组合
 * 格式为:Module/Action?get=par(模块名/动作名?get参数)
 * @param string $url
 * @return string $url
*/
 public static function U($url) {
 $pathinfo = parse_url($url);
 $path = '';
 $get = array();
 $inroute = false; //用户定义的路由
 if (isset($pathinfo['query'])) {
 $query = explode('&',$pathinfo['query']);
 foreach ($query as $q) {
 list($k,$v) = explode('=',$q);
 $get[$k] = $v;
}
}

 if (!self::$_SGLOBAL) {
self::initConfig();
}
//pathinfo方式的url
 if (self::$_SGLOBAL['URL_MODEL'] == 1) {

 if (self::$_SGLOBAL['URL_ROUTER_ON'] && strpos($pathinfo['path'],'@') !== false) {
//取出所有用户定义的路由
 $routeNames = array_keys(self::$route);
 $p = substr($pathinfo['path'],-1);
 if (in_array($p,$routeNames)) {
 $inroute = true;
 $path.='/' . $p;
 $c = explode(',self::$route[$p][2]);
 foreach ($c as $v) {
 if (isset($get[$v])) {
 $path.=self::$_SGLOBAL['URL_DELIMITER'] . $get[$v];
unset($get[$v]);
}
}
}
}
 if (!$inroute) {
 if (isset($pathinfo['path'])) {
 list($module,$action) = explode('/',$pathinfo['path']);
 $module = $module ? $module : self::$_SGLOBAL['DEFAULT_MODULE'];
 $action = $action ? $action : self::$_SGLOBAL['DEFAULT_ACTION'];
 } else {
 $module = self::$_SGLOBAL['DEFAULT_MODULE'];
 $action = self::$_SGLOBAL['DEFAULT_ACTION'];
}
 $path ="/$module". self::$_SGLOBAL['URL_DELIMITER'] . $action;
}
 if (!empty($get)) {
 foreach ($get as $k => $v) {
 $path.=self::$_SGLOBAL['URL_DELIMITER'] . $k . self::$_SGLOBAL['URL_DELIMITER'] . $v;
}
}
//url伪静态
 if (self::$_SGLOBAL['URL_HTML_SUFFIX']) {
$path.=self::$_SGLOBAL['URL_HTML_SUFFIX'];
}
 } elseif (self::$_SGLOBAL['URL_MODEL'] == 0) {
 $url = parse_url($url);
 if (isset($url['path'])) {
 list($module,$url['path']);
 $module = $module ? $module : self::$_SGLOBAL['DEFAULT_MODULE'];
 $action = $action ? $action : self::$_SGLOBAL['DEFAULT_ACTION'];
 } else {
 $module = self::$_SGLOBAL['DEFAULT_MODULE'];
 $action = self::$_SGLOBAL['DEFAULT_ACTION'];
}
$path.="?m=$module&a=$action";
 if ($url['query']) {
 $path.='&' . $url['query'];
}
}
 if (!self::$_SGLOBAL['URL_REWRITE'])
 $path = '/' . self::$_SGLOBAL['ENTRY_INDEX'] . $path;
 return $path;
}

/**
 * 初始化配置信息
*/
 private static function initConfig() {
 if (defined('APP_PATH')) {
//默认模块目录
 self::$_SGLOBAL['MODULE_PATH'] = APP_PATH . '/action';
}
 self::$_SGLOBAL['DEFAULT_ACTION'] = 'index'; //默认action
 self::$_SGLOBAL['DEFAULT_MODULE'] = 'Index'; //默认module
//默认url路由模式，1：pathinfo模式，0为普通模式
 self::$_SGLOBAL['URL_MODEL'] = 1;
 self::$_SGLOBAL['URL_DELIMITER'] = '/'; //参数分隔符
 self::$_SGLOBAL['ENTRY_INDEX'] = 'index.PHP';
 self::$_SGLOBAL['URL_HTML_SUFFIX'] = null; //url伪静态
 self::$_SGLOBAL['URL_REWRITE'] = false; //URL重写
 self::$_SGLOBAL['starttime'] = microtime(true);
 self::$_SGLOBAL['URL_ROUTER_ON'] = false; //是否启用路由功能
 self::$_SGLOBAL['DEBUG'] = false;
}

/**
 * 设置选项条件，可设置的有
 * MODULE_PATH=>查找模块目录的位置
 * DEFAULT_MODULE=>默认Module
 * DEFAULT_ACTION=>默认Action
 * DEBUG=>开启调试(true|false)
 * URL_DELIMITER=>参数分隔符
 * URL_MODEL=>路由模式(0:普通模式,1:pathinfo模式)
 * URL_HTML_SUFFIX=>'文件后缀' pathinfo模式伪静态使用
 * ENTRY_INDEX=>入口文件
 * URL_ROUTER_ON=>开启自定义路由
 * @param array $option 选项
*/
 public function setOption($option) {
 $o = array('MODULE_PATH','DEFAULT_MODULE','DEFAULT_ACTION','DEBUG','URL_DELIMITER','URL_MODEL','URL_HTML_SUFFIX','ENTRY_INDEX','URL_REWRITE','URL_ROUTER_ON');
 foreach ($option as $k => $v) {
 if (in_array($k,$o)) {
 self::$_SGLOBAL[$k] = $v;
}
}
}

/**
 * 设置路由
 * array('route'=>array('模块名称','操作名称','参数1,参数2,参数3'))
 * @param array $route 路由
*/
 public function setRoute($route) {
 self::$route = $route;
}

}

?>
<?PHP

include 'action/CommonAction.class.PHP';
require 'mvc/Dispatcher.class.PHP';
require 'mvc/Template.class.PHP';

$dispatcher = Dispatcher::getInstance();

//控制器选项
$option = array('DEBUG' => 1,'URL_MODEL' => 1,'URL_DELIMITER' => '/','DEFAULT_ACTION' => 'home','URL_REWRITE' => 1,'URL_ROUTER_ON' => true,'URL_HTML_SUFFIX'=>'.html');

//自定义泛路由
$router = array('space'=>array('Space','index','uid'));

$dispatcher->setOption($option);
$dispatcher->setRoute($router);

Template::setU($dispatcher);
Template::setReal(true);
Template::setTemplateDir('template/default');
Template::setTmpDir('runtime/tpl');
$dispatcher->run();
MVC

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