php MVC调度器和模板类功能实例

PHP 前端之家
前端之家收集整理的这篇文章主要介绍了php MVC调度器和模板类功能实例，前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。
感兴趣的小伙伴，下面一起跟随编程之家 jb51.cc的小编来看看吧。
经测试代码如下： 
  2. /**
  3.  * MVC调度器和模板类
  4.  *
  5.  * @param 
  6.  * @author 编程之家 jb51.cc jb51.cc
  7.  * {loop $array $key $value}..........{/loop} 循环
  8.  * {loop $array $value}..........{/loop} 循环
  9.  * {if condition}...{elseif condition}..{else}..{/if} if条件语句
  10.  * {$val} 输出变量值
  11.  * {eval echo"ok";} 运行PHP代码
  12.  * {template file} 包含另外一个模版
  13. */
  14. class Template {
  16.  private static $tDir; //模版文件目录
  17.  private static $tTmpDir; //编译好后的文件目录
  18.  private $tVal; //模版变量
  19.  private $tFile; //模版文件
  20.  private $tContent; //模版内容
  21.  private static $uDispatcher; //URL调度器
  22.  private static $real = false; //实时编译
  24.  public function __construct() {
  25.  $this->tVal = array();
  26. }
  28. /**
  29.  * 设置模版文件目录
  30.  * @param string $dir
  31. */
  32.  public static function setTemplateDir($dir) {
  33.  self::$tDir = $dir;
  34. }
  36. /**
  37.  * 是否实时编译
  38.  * @param bool $real
  39. */
  40.  public static function setReal($real) {
  41.  self::$real = (bool) $real;
  42. }
  44. /**
  45.  * 临时文件目录
  46.  * @param string $dir
  47. */
  48.  public static function setTmpDir($dir) {
  49.  if (!file_exists($dir)) {
  50.  if (!mkdir($dir,true))
  51.  die("tmp dir $dir can't to mkdir");
  52. }
  53.  self::$tTmpDir = realpath($dir);
  54. }
  56. /**
  57.  * URL调度器
  58.  * @param Dispatcher $dispatcher
  59. */
  60.  public static function setU(&$dispatcher) {
  61.  if (is_object($dispatcher) && method_exists($dispatcher,'U')) {
  62.  self::$uDispatcher = $dispatcher;
  63. }
  64. }
  66. /**
  67.  * 变量赋值
  68.  * @param mixed $name
  69.  * @param mixed $value
  70. */
  71.  public function assign($name,$value) {
  72.  $this->tVal[$name] = $value;
  73. }
  75. /**
  76.  * 取得模版的变量
  77.  * @param string $name
  78. */
  79.  public function getVal($name) {
  80.  if (isset($this->tVal[$name])) {
  81.  return $this->tVal[$name];
  82. }else
  83.  return false;
  84. }
  86. /**
  87.  * 将运行好后的内容，保存到一个html文件中
  88.  * @param string $tFile
  89.  * @param string $html
  90. */
  91.  public function saveHtml($tFile,$html) {
  92. ob_start();
  93. $this->display($tFile);
  94.  $buffer = ob_get_contents();
  95. ob_end_clean();
  96.  file_put_contents($html,$buffer);
  97. }
  99. /**
  100.  * 运行并显示模版内容
  101.  * @param string $tfile
  102. */
  103.  public function display($tFile) {
  104.  $this->tFile = $this->parseTemplatePath($tFile);
  105.  if (!self::$real) {
  106.  if (!file_exists($this->getTmpFile()))
  107. $this->parse();
  108.  elseif ((filemtime($this->tFile) > filemtime($this->getTmpFile())))
  109. $this->parse();
  110. }else
  111. $this->parse();
  112.  extract($this->tVal,EXTR_OVERWRITE);
  113.  include $this->getTmpFile();
  114. }
  116. /**
  117.  * 编译好后的文件
  118.  * @return string $filepath
  119. */
  120.  private function getTmpFile() {
  121.  $basename = basename($this->tFile);
  122.  $pos = strrpos($basename,'.');
  123.  $tmp = 'tpl_' . substr($basename,$pos) . '.PHP';
  124.  return self::$tTmpDir . '/' . $tmp;
  125. }
  127.  private function parse() {
  128.  $this->tContent = file_get_contents($this->tFile);
  129. $this->parseInclude();
  130. $this->parseSection();
  131. $this->parseVal();
  132. $this->parseEval();
  133.  file_put_contents($this->getTmpFile(),$this->tContent);
  134. }
  136.  private function parseInclude() {
  137.  $this->tContent = preg_replace("/{templates+([a-zA-z0-9._]+)}/ies","$this->subtemplate('$1')",$this->tContent);
  138. }
  140. /**
  141.  * 获取只模版
  142.  * @param string $file
  143. */
  144.  private function subtemplate($file) {
  145.  return file_get_contents($this->parseTemplatePath($file));
  146. }
  148. /**
  149.  * 解析模版路径
  150.  * @param string $file
  151.  * @return string $filepath
  152. */
  153.  private function parseTemplatePath($tFile) {
  154. $tFile.='.html';
  155.  $tFile = self::$tDir ? self::$tDir . '/' . $tFile : $tFile;
  156.  if (!file_exists($tFile)) {
  157.  die("No template file $tFile");
  158.  } else {
  159.  $tFile = realpath($tFile);
  160. }
  161.  return $tFile;
  162. }
  164. /**
  165.  * 解析变量
  166. */
  167.  private function parseVal() {
  168.  $this->tContent = preg_replace("/{(\$S+?)}/is","<?PHP echo \1 ;?>",$this->tContent);
  169. }
  171. /**
  172.  * 解析段落
  173. */
  174.  private function parseSection() {
  175. //逻辑
  176.  $this->tContent = preg_replace("/{elseifs+(.+?)}/ies","$this->stripvtags('<?PHP } elseif(\1) { ?>','')",$this->tContent);
  177.  $this->tContent = preg_replace("/{else}/is","<?PHP } else { ?>",$this->tContent);
  178.  $this->tContent = preg_replace("/{U((.+?))}/ies","$this->parseUrl('$1')",$this->tContent);
  179. //循环
  180.  for ($i = 0; $i < 6; $i++) {
  181.  $this->tContent = preg_replace("/{loops+(S+)s+(S+)}(.+?){/loop}/ies","$this->stripvtags('<?PHP if(is_array(\1)) { foreach(\1 as \2) { ?>','\3<?PHP } } ?>')",$this->tContent);
  182.  $this->tContent = preg_replace("/{loops+(S+)s+(S+)s+(S+)}(.+?){/loop}/ies","$this->stripvtags('<?PHP if(is_array(\1)) { foreach(\1 as \2 => \3) { ?>','\4<?PHP } } ?>')",$this->tContent);
  183.  $this->tContent = preg_replace("/{ifs+(.+?)}(.+?){/if}/ies","$this->stripvtags('<?PHP if(\1) { ?>','\2<?PHP } ?>')",$this->tContent);
  184. }
  185. }
  187.  private function stripvtags($expr,$statement='') {
  188.  $expr = str_replace("\"",""",preg_replace("/<?=(\$.+?)?>/s","\1",$expr));
  189.  $statement = str_replace("\"",$statement);
  190.  return $expr . $statement;
  191. }
  193. /**
  194.  * 解析PHP语句
  195. */
  196.  private function parseEval() {
  197.  $this->tContent = preg_replace("/{evals+(.+?)}/is","<?PHP $1 ?>",$this->tContent);
  198. }
  200. /**
  201.  * 解析URL
  202. */
  203.  private function parseUrl($url) {
  204.  if (is_object(self::$uDispatcher)) {
  205.  return self::$uDispatcher->U($url);
  206.  } else {
  207.  return $url;
  208. }
  209. }
  211. }
  213. ?>
  214. <?PHP
  216. /**
  217.  * 控制调度器
  218.  * 先定义APP_PATH常量 制定应用程序目录
  219.  * 默认模块目录 APP_PATH 目录下面的 Action目录
  220.  * 默认控制器为IndexAction
  221.  * 默认模块名为index
  222.  * 默认参数分隔符为"/"，可选"-"
  223.  * 默认入口文件为index.PHP
  224.  * 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
  225.  * 可通过setOption方法设置一些参数
  226.  * pathinfo模式支持伪静态
  227.  * 新增普通url模式
  228.  * setOption参数说明
  229.  * 传进去的是数组键值对形式的参数
  230.  * 设置选项条件，可设置的有
  231.  * MODULE_PATH=>查找模块目录的位置
  232.  * DEFAULT_MODULE=>默认Module
  233.  * DEFAULT_ACTION=>默认Action
  234.  * DEBUG=>开启调试(true|false)
  235.  * URL_MODEL=>路由模式(0:普通模式,1:pathinfo模式)
  236.  * URL_DELIMITER=>参数分隔符 pathinfo模式使用
  237.  * URL_HTML_SUFFIX=>'文件后缀' pathinfo模式伪静态使用
  238.  * ENTRY_INDEX=>入口文件
  239.  * URL_ROUTER_ON=>开启自定义路由
  240.  * 普通URL模式U(模块名/操作名?参1=值1&参2=值2)
  241.  * 路由模式U(路由名@?参1=值1&参2=值2)
  242. */
  243. class Dispatcher {
  245.  private static $instance;
  246.  private static $_SGLOBAL; //调度配置
  247.  private static $route = array(); //泛路由
  249.  private function __construct() {
  250. self::initConfig();
  251. }
  253.  public static function getInstance() {
  254.  if (!self::$instance instanceof self) {
  255.  self::$instance = new self();
  256. }
  257.  return self::$instance;
  258. }
  260.  private function __clone() {
  262. }
  264. /**
  265.  * 运行控制器
  266. */
  267.  public function run() {
  268.  $route = array();
  269.  if (self::$_SGLOBAL['URL_MODEL'] == 1) {
  270.  $route = $this->pathInfoRoute();
  271.  } else {
  272.  $route = $this->generalRoute();
  273. }
  274.  $modulefile = self::$_SGLOBAL['MODULE_PATH'] ."/{$route['module']}.class.PHP";
  275.  if (file_exists($modulefile)) {
  276.  include $modulefile;
  277.  if (class_exists($route['module'])) {
  278.  $class = new $route['module'];
  279.  if (method_exists($class,$route['action'])) {
  280.  call_user_func(array(&$class,$route['action']));
  281. }else
  282.  die("in <b>{$route['module']}</b> module no this <b>{$route['action']}</b> action");
  283. }else
  284.  die("no this <b>{$route['module']}</b> module");
  285.  }else {
  286.  die("no this <b>{$route['module']}</b> module");
  287. }
  288.  self::$_SGLOBAL['endtime'] = microtime(true);
  289. $this->debugInfo();
  290. }
  292. /**
  293.  * 输出调试信息
  294. */
  295.  private function debugInfo() {
  296.  if (self::$_SGLOBAL['DEBUG']) {
  297.  $exectime = self::$_SGLOBAL['endtime'] - self::$_SGLOBAL['starttime'];
  298.  $debuginfo = <<<HTML
  299.  <style type="text/css">
  300.  .dispatcher_debug_table th,.dispatcher_debug_table td{padding:5px;}
  301.  .dispatcher_debug_table th{
  302.  border-top:1px solid red;
  303.  border-left:1px solid red;
  304. background-color:#ccc;
  305. }
  306.  .dispatcher_debug_table td{
  307.  border-top:1px solid red;
  308.  border-left:1px solid red;
  309.  border-right:1px solid red;
  310. }
  311. .dispatcher_debug_table_last td,.dispatcher_debug_table_last th{
  312.  border-bottom:1px solid red;
  313. }
  314.  .dispatcher_debug_table_title{border-right:1px solid red;}
  316. </style>
  317.  <table class="dispatcher_debug_table"cellpadding="0"cellspacing="0">
  318.  <tr><th class="dispatcher_debug_table_title">Debug Info</th></tr>
  319. <tr>
  320.  <th>Execute Time</th><td>$exectime s</td>
  321. </tr>
  322.  <tr><th>Include File</th><td>
  323. HTML;
  324.  foreach (get_included_files () as $file) {
  325.  $debuginfo.=$file ."<br/>";
  326. }
  327.  $debuginfo.="<tr><th>Server Info</th><td>";
  328.  $debuginfo.="Host:". $_SERVER['HTTP_HOST'] ."<br/>";
  329.  $debuginfo.="PHP_Version:". PHP_VERSION ."<br/>";
  330.  $debuginfo.="Server_Version:". $_SERVER['SERVER_SOFTWARE'] ."<br/>";
  331. $debuginfo.="</td></tr>";
  332.  $debuginfo.="<tr class='dispatcher_debug_table_last'><th>Client Info</th><td>";
  333.  $debuginfo.="Remote_Addr:". $_SERVER['REMOTE_ADDR'] ."<br/>";
  334.  $debuginfo.="User_Agent:". $_SERVER['HTTP_USER_AGENT'] ."<br/>";
  335. $debuginfo.="</td></tr>";
  336. $debuginfo.="</table>";
  337.  echo $debuginfo;
  338. }
  339. }
  341.  private function generalRoute() {
  342.  $route = array();
  343.  $route['module'] = !empty($_GET['m']) ? $_GET['m'] : self::$_SGLOBAL['DEFAULT_MODULE'];
  344.  $route['action'] = !empty($_GET['a']) ? $_GET['a'] : self::$_SGLOBAL['DEFAULT_ACTION'];
  345. $route['module'].='Action';
  346. unset($_GET['m']);
  347. unset($_GET['a']);
  348.  return $route;
  349. }
  351. /**
  352.  * PATHINFO形式的路由调度
  353.  * 支持伪静态
  354. */
  355.  private function pathInfoRoute() {
  356.  $route = array();
  357. //伪静态
  358.  if (self::$_SGLOBAL['URL_HTML_SUFFIX']) {
  359.  $pos = strlen($_SERVER['PATH_INFO']) - strlen(self::$_SGLOBAL['URL_HTML_SUFFIX']);
  360.  $_SERVER['PATH_INFO'] = substr($_SERVER['PATH_INFO'],$pos);
  361. }
  362.  if (!$_SERVER['PATH_INFO'] || $_SERVER['PATH_INFO'] == '/') {
  363.  $route = array('module' => self::$_SGLOBAL['DEFAULT_MODULE'],'action' => self::$_SGLOBAL['DEFAULT_ACTION']);
  364.  } else {
  365.  $_SERVER['PATH_INFO'] = substr($_SERVER['PATH_INFO'],1);
  366.  $pathinfo = explode(self::$_SGLOBAL['URL_DELIMITER'],$_SERVER['PATH_INFO']);
  367. //用户自定义路由
  368.  if (self::$_SGLOBAL['URL_ROUTER_ON'] && in_array($pathinfo[0],array_keys(self::$route))) {
  369.  $route['module'] = self::$route[$pathinfo[0]][0];
  370.  $route['action'] = self::$route[$pathinfo[0]][1];
  371.  $c = explode(',',self::$route[$pathinfo[0]][2]);
  372. array_shift($pathinfo);
  373.  foreach ($c as $r) {
  374.  $_GET[$r] = array_shift($pathinfo);
  375. }
  376.  } else {
  377.  if (count($pathinfo) < 2) {
  378.  $route['module'] = $pathinfo[0] . self::$_SGLOBAL['MODULE_SUFFIX'];
  379.  $route['action'] = self::$_SGLOBAL['DEFAULT_ACTION'] . self::$_SGLOBAL['ACTION_SUFFIX'];
  380.  } else {
  381.  $route['module'] = array_shift($pathinfo) . self::$_SGLOBAL['MODULE_SUFFIX'];
  382.  $route['action'] = array_shift($pathinfo) . self::$_SGLOBAL['ACTION_SUFFIX'];
  383. }
  384. }
  385.  if (count($pathinfo) >= 2) {
  386.  for ($i = 0,$cnt = count($pathinfo); $i < $cnt; $i++) {
  387.  if (isset($pathinfo[$i + 1])) {
  388.  $_GET[$pathinfo[$i]] = $pathinfo[++$i];
  389. }
  390. }
  391. }
  392. }
  393. $route['module'].='Action';
  394.  $_REQUEST = array_merge($_GET,$_POST);
  395.  return $route;
  396. }
  398. /**
  399.  * URL地址组合
  400.  * 格式为:Module/Action?get=par(模块名/动作名?get参数)
  401.  * @param string $url
  402.  * @return string $url
  403. */
  404.  public static function U($url) {
  405.  $pathinfo = parse_url($url);
  406.  $path = '';
  407.  $get = array();
  408.  $inroute = false; //用户定义的路由
  409.  if (isset($pathinfo['query'])) {
  410.  $query = explode('&',$pathinfo['query']);
  411.  foreach ($query as $q) {
  412.  list($k,$v) = explode('=',$q);
  413.  $get[$k] = $v;
  414. }
  415. }
  417.  if (!self::$_SGLOBAL) {
  418. self::initConfig();
  419. }
  420. //pathinfo方式的url
  421.  if (self::$_SGLOBAL['URL_MODEL'] == 1) {
  423.  if (self::$_SGLOBAL['URL_ROUTER_ON'] && strpos($pathinfo['path'],'@') !== false) {
  424. //取出所有用户定义的路由
  425.  $routeNames = array_keys(self::$route);
  426.  $p = substr($pathinfo['path'],-1);
  427.  if (in_array($p,$routeNames)) {
  428.  $inroute = true;
  429.  $path.='/' . $p;
  430.  $c = explode(',self::$route[$p][2]);
  431.  foreach ($c as $v) {
  432.  if (isset($get[$v])) {
  433.  $path.=self::$_SGLOBAL['URL_DELIMITER'] . $get[$v];
  434. unset($get[$v]);
  435. }
  436. }
  437. }
  438. }
  439.  if (!$inroute) {
  440.  if (isset($pathinfo['path'])) {
  441.  list($module,$action) = explode('/',$pathinfo['path']);
  442.  $module = $module ? $module : self::$_SGLOBAL['DEFAULT_MODULE'];
  443.  $action = $action ? $action : self::$_SGLOBAL['DEFAULT_ACTION'];
  444.  } else {
  445.  $module = self::$_SGLOBAL['DEFAULT_MODULE'];
  446.  $action = self::$_SGLOBAL['DEFAULT_ACTION'];
  447. }
  448.  $path ="/$module". self::$_SGLOBAL['URL_DELIMITER'] . $action;
  449. }
  450.  if (!empty($get)) {
  451.  foreach ($get as $k => $v) {
  452.  $path.=self::$_SGLOBAL['URL_DELIMITER'] . $k . self::$_SGLOBAL['URL_DELIMITER'] . $v;
  453. }
  454. }
  455. //url伪静态
  456.  if (self::$_SGLOBAL['URL_HTML_SUFFIX']) {
  457. $path.=self::$_SGLOBAL['URL_HTML_SUFFIX'];
  458. }
  459.  } elseif (self::$_SGLOBAL['URL_MODEL'] == 0) {
  460.  $url = parse_url($url);
  461.  if (isset($url['path'])) {
  462.  list($module,$url['path']);
  463.  $module = $module ? $module : self::$_SGLOBAL['DEFAULT_MODULE'];
  464.  $action = $action ? $action : self::$_SGLOBAL['DEFAULT_ACTION'];
  465.  } else {
  466.  $module = self::$_SGLOBAL['DEFAULT_MODULE'];
  467.  $action = self::$_SGLOBAL['DEFAULT_ACTION'];
  468. }
  469. $path.="?m=$module&a=$action";
  470.  if ($url['query']) {
  471.  $path.='&' . $url['query'];
  472. }
  473. }
  474.  if (!self::$_SGLOBAL['URL_REWRITE'])
  475.  $path = '/' . self::$_SGLOBAL['ENTRY_INDEX'] . $path;
  476.  return $path;
  477. }
  479. /**
  480.  * 初始化配置信息
  481. */
  482.  private static function initConfig() {
  483.  if (defined('APP_PATH')) {
  484. //默认模块目录
  485.  self::$_SGLOBAL['MODULE_PATH'] = APP_PATH . '/action';
  486. }
  487.  self::$_SGLOBAL['DEFAULT_ACTION'] = 'index'; //默认action
  488.  self::$_SGLOBAL['DEFAULT_MODULE'] = 'Index'; //默认module
  489. //默认url路由模式，1：pathinfo模式，0为普通模式
  490.  self::$_SGLOBAL['URL_MODEL'] = 1;
  491.  self::$_SGLOBAL['URL_DELIMITER'] = '/'; //参数分隔符
  492.  self::$_SGLOBAL['ENTRY_INDEX'] = 'index.PHP';
  493.  self::$_SGLOBAL['URL_HTML_SUFFIX'] = null; //url伪静态
  494.  self::$_SGLOBAL['URL_REWRITE'] = false; //URL重写
  495.  self::$_SGLOBAL['starttime'] = microtime(true);
  496.  self::$_SGLOBAL['URL_ROUTER_ON'] = false; //是否启用路由功能
  497.  self::$_SGLOBAL['DEBUG'] = false;
  498. }
  500. /**
  501.  * 设置选项条件，可设置的有
  502.  * MODULE_PATH=>查找模块目录的位置
  503.  * DEFAULT_MODULE=>默认Module
  504.  * DEFAULT_ACTION=>默认Action
  505.  * DEBUG=>开启调试(true|false)
  506.  * URL_DELIMITER=>参数分隔符
  507.  * URL_MODEL=>路由模式(0:普通模式,1:pathinfo模式)
  508.  * URL_HTML_SUFFIX=>'文件后缀' pathinfo模式伪静态使用
  509.  * ENTRY_INDEX=>入口文件
  510.  * URL_ROUTER_ON=>开启自定义路由
  511.  * @param array $option 选项
  512. */
  513.  public function setOption($option) {
  514.  $o = array('MODULE_PATH','DEFAULT_MODULE','DEFAULT_ACTION','DEBUG','URL_DELIMITER','URL_MODEL','URL_HTML_SUFFIX','ENTRY_INDEX','URL_REWRITE','URL_ROUTER_ON');
  515.  foreach ($option as $k => $v) {
  516.  if (in_array($k,$o)) {
  517.  self::$_SGLOBAL[$k] = $v;
  518. }
  519. }
  520. }
  522. /**
  523.  * 设置路由
  524.  * array('route'=>array('模块名称','操作名称','参数1,参数2,参数3'))
  525.  * @param array $route 路由
  526. */
  527.  public function setRoute($route) {
  528.  self::$route = $route;
  529. }
  531. }
  533. ?>
  534. <?PHP
  536. include 'action/CommonAction.class.PHP';
  537. require 'mvc/Dispatcher.class.PHP';
  538. require 'mvc/Template.class.PHP';
  540. $dispatcher = Dispatcher::getInstance();
  542. //控制器选项
  543. $option = array('DEBUG' => 1,'URL_MODEL' => 1,'URL_DELIMITER' => '/','DEFAULT_ACTION' => 'home','URL_REWRITE' => 1,'URL_ROUTER_ON' => true,'URL_HTML_SUFFIX'=>'.html');
  545. //自定义泛路由
  546. $router = array('space'=>array('Space','index','uid'));
  548. $dispatcher->setOption($option);
  549. $dispatcher->setRoute($router);
  551. Template::setU($dispatcher);
  552. Template::setReal(true);
  553. Template::setTemplateDir('template/default');
  554. Template::setTmpDir('runtime/tpl');
  555. $dispatcher->run();
MVC

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