Example of CSS update class implemented in php_PHP tutorial

Instance of CSS update class implemented in php

The CSSUpdate.class.php class file is as follows:

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/**css update class, update the version of the image in the css file * Date: 2013-02-05 * Author: fdipzone * Ver: 1.1 * * Func: * update(); * * Ver: 1.1 Add search_child parameter to traverse subfolders */ class CSSUpdate{ private $csstmpl_path = null; private $css_path = null; private $replacetags = array(); private $search_child = false; private $convert_num = 0; private $is_ready = 0; /**Initialization * @param String $csstmpl_path css template path * @param String $css_path css target path * @param Array $replacetags The type of image to be replaced * @param boolean $search_child Whether to traverse subfolders, default false */ public function __construct($csstmpl_path, $css_path, $replacetags=array(), $search_child=false){ if(!is_dir($csstmpl_path) || !is_dir($css_path) || !$replacetags){ $this->is_ready = 0; }else{ $this->csstmpl_path = $csstmpl_path; $this->css_path = $css_path; $this->replacetags = $replacetags; $this->search_child = $search_child;       $this->is_ready = 1;      }    }        /**Update css file*/    public function update(){      if($this->is_ready==0){        $this->response('csstmpl or csspath or replacetags error');        return '';      }      $this->traversing($this->csstmpl_path);      $this->response('covert num:'.$this->convert_num);    }        /**Traverse folders * @param String $path file path */    private function traversing($path){      $handle = opendir($path);      while(($file=readdir($handle))!==false){        if($file!='..' && $file!='.'){          $curfile = $path.'/'.$file;                      if(is_dir($curfile)){  // folder            if($this->search_child){  // 需要遍历子文件夹              $this->traversing($curfile);            }          }elseif($this->checkExt($curfile)){ // css file            $dfile = str_replace($this->csstmpl_path, $this->css_path, $curfile);            $this->create($curfile, $dfile);            $this->response($curfile.' convert to '.$dfile.' success');            $this->convert_num ++;          }        }      }      closedir($handle);    }        /**Check file suffix*/    private function checkExt($file){      $name = basename($file);      $namefrag = explode('.', $name);      if(count($namefrag)>=2){        if(strtolower($namefrag[count($namefrag)-1])=='css'){ // css文件          return true;        }      }      return false;    }        /**Replace template content and write csspath * @param String $tmplfile template file * @param String $dfile Target file */    private function create($tmplfile, $dfile){      $css_content = file_get_contents($tmplfile);      foreach($this->replacetags as $tag){        $css_content = str_replace($tag, $tag."?".date('YmdHis'), $css_content);      }      if(!is_dir(dirname($dfile))){  // 生成目标路径        mkdir(dirname($dfile), 0755, true);      }      file_put_contents($dfile, $css_content, true);    }        /**output*/    private function response($content){      echo $content." ";    }  }  ?>

demo示例程序如下:

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require_once "CSSUpdate.class.php"; define('ROOT_PATH', dirname(__FILE__)); $css_path = ROOT_PATH.'/css'; $csstmpl_path = ROOT_PATH.'/csstmpl'; $replacetags = array('.png', '.jpg', '.gif'); $cssobj = new CSSUpdate($csstmpl_path, $css_path, $replacetags); $cssobj->update();  ?>

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<🎜>require_once "CSSUpdate.class.php"; <🎜> <🎜>   <🎜> <🎜>define('ROOT_PATH', dirname(__FILE__)); <🎜> <🎜>$css_path = ROOT_PATH.'/css'; <🎜> <🎜>$csstmpl_path = ROOT_PATH.'/csstmpl'; <🎜> <🎜>$replacetags = array('.png', '.jpg', '.gif'); <🎜> <🎜>   <🎜> <🎜>$cssobj = new CSSUpdate($csstmpl_path, $css_path, $replacetags); <🎜> <🎜>$cssobj->update();  ?> http://www.bkjia.com/PHPjc/882705.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/882705.htmlTechArticlephp实现的CSS更新类实例 CSSUpdate.class.php类文件如下： 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40...