php实现的css更新类实例 cssupdate.class.php类文件如下：
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is_ready = 0; 
    }else{ 
      $this->csstmpl_path = $csstmpl_path; 
      $this->css_path = $css_path; 
      $this->replacetags = $replacetags; 
      $this->search_child = $search_child; 
      $this->is_ready = 1; 
    } 
  }
/** 更新css文件 */ 
  public function update(){ 
    if($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); 
  }
/** 遍历文件夹 
  * @param string $path 文件路径 
  */ 
  private function traversing($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); 
  }
/** 检查文件后缀 */ 
  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; 
  }
/** 替换模版内容,写入csspath 
  * @param string $tmplfile 模版文件 
  * @param string $dfile  目标文件 
  */ 
  private function create($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, $css_content, true); 
  }
/** 输出 */ 
  private function response($content){ 
    echo $content.
; 
  } 
} 
?>
demo示例程序如下:
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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...