本文实例讲述了PHP模版引擎原理、定义与用法。分享给大家供大家参考,具体如下:
template存放模版源文件
模版编译工具类
Compline.class.php
<"/<\"; $this->T_R[] = "<"; } //{$var} $this->T_P[] = "/\{\\$([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\}/"; //{foreach $b}或者{loop $b} $this->T_P[] = "/\{(loop|foreach) \\$([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\}/i"; //{[K|V]} $this->T_P[] = "/\{([K|V])\}/"; //{/foreach}或者{\loop}或者{\if} $this->T_P[] = "/\{\/(loop|foreach|if)}/i"; //{if (condition)} $this->T_P[] = "/\{if (.* "; //{(else if | elseif)} $this->T_P[] = "/\{(else if|elseif) (.* "; //{else} $this->T_P[] = "/\{else\}/i"; //{#...# 或者 *...#,注释} $this->T_P[] = "/\{(\#|\*)(.* "; $this->T_R[] = "<"; $this->T_R[] = "<"; $this->T_R[] = "<"; $this->T_R[] = "<"; $this->T_R[] = "<"; $this->T_R[] = "<"; $this->T_R[] = "<"; $this->T_R[] = ""; } public function compile() { $this->c_all(); $this->c_staticFile(); file_put_contents($this->comfile, $this->content); } public function c_all() { $this->content = preg_replace($this->T_P, $this->T_R, $this->content); } /** * 加入对JavaScript文件的解析 * @return [type] [description] */ public function c_staticFile() { $this->content = preg_replace('/\{\!(.* "htmlcode"><"template dir isn't found!"); } if(!is_dir($this->arrayConfig['compileDir'])) { if(strtoupper(substr(PHP_OS,0,3)) === 'WIN') { mkdir($this->arrayConfig['compileDir']); } else { mkdir($this->arrayConfig['compileDir'], 0770, true); } } include('Compile.class.php'); } public function getPath() { $this->arrayConfig['templateDir'] = strstr(realpath($this->arrayConfig['templateDir']), '\\', '/').'/'; $this->arrayConfig['compileDir'] = strstr(realpath($this->arrayConfig['compileDir'])), '\\', '/').'/'; } /** * 取得模板引擎的实例 */ public static function getInstance() { if(is_null(self::$instance)) { self::$instance = new Template(); } return self::$instance; } /** * 单独设置引擎参数 * 也支持一次性设置多个参数 */ public function setConfig($key, $value = null) { if(is_array($key)) { $this->arrayConfig = $key + $this->arrayConfig; } else { $this->arrayConfig[$key] = $value; } } /** * 获取当前模板引擎配置,仅供调试使用 */ public function getConfig($key = null) { if($key && array_key_exists($key, $this->arrayConfig)) { return $this->arrayConfig[$key]; } else { return $this->arrayConfig; } } /** * 注入单个变量 */ public function assign($key, $value) { $this->value[$key] = $value; } /** * 注入数组变量 */ public function assignArray($array) { if(is_array($array)) { foreach ($array as $k => $v) { $this->value[$k] = $v; } } } /** * 获取模板的位置 * @return [type] [description] */ public function path() { return $this->arrayConfig['templateDir'].$this->file.$this->arrayConfig['suffix']; } /** * 判断配置文件是否要求缓存 */ public function needCache() { return $this->arrayConfig['cache_html']; } /** * 判断是否需要缓存 */ public function reCache($file) { $flag = false; $cacheFile = $this->arrayConfig['compileDir'].md5($file).$this->arrayConfig['suffix_cache']; if($this->arrayConfig['cache_html'] === true) { //需要缓存 $timeFlag = (time() - @filemtime($cacheFile)) < $this->arrayConfig['cache_time'] "<br/>", '-------------------- debug_info--------------', "<br/>"; echo '程序运行日期:', date("Y-m-d h:i:s"), "<br/>"; echo '模板解析耗时:', $this->debug['spend'], '秒', "<br/>"; echo '模板包含标签数目:', $this->debug['count'], "<br/>"; echo '是否使用静态缓存:', $this->debug['cached'], "<br/>"; echo '模板引擎实例参数:', var_dump($this->getConfig()); } } /** * 清楚缓存的html文件 * @return [type] [description] */ public function clean() { if($path === null) { $path = $this->arrayConfig['compileDir']; $path = glob($path.'* '.$this->arrayConfig['suffix_cache']); } else { $path = $this->arrayConfig['compileDir'].md5($path).$this->arrayConfig['suffix_cache']; } foreach ((array)$path as $v) { unlink($v); } } }test.php
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PHP,模版引擎
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