获取模板继承中指定block块的HTML编译代码

用于AJAX 获取 模板中需要变动的部分代码
可写在公共继承类,例如AdminBaseController.class.php 用于覆盖 Controller的display() 方法    final protected function display($templateFile='',$charset='',$contentType='',$content='',$prefix=''){<br>         if(empty($templateFile)) $templateFile=ACTION_NAME;<br>         if(IS_AJAX){<br>             C('SHOW_PAGE_TRACE',false);<br>             //获取指定继承块模板<br>             $block=I('block','');<br>             if(!empty($block)){<br>                 //获取模板文件路径<br>                 $tpl_file=$this->view->parseTemplate($templateFile);<br>                 //获取模板文件内容<br>                 $tpl_content=file_get_contents($tpl_file);<br>                 //匹配指定block内容<br>                 $tpl_find=preg_match('/<block>(.*?)/is',$tpl_content,$tpl_block);<br>                 if($tpl_find){<br>                     //编译指定block内容<br>                     $tpl_html=$this->view->fetch($templateFile,$tpl_block[1]);<br>                     $this->ajaxReturn($tpl_html);<br>                 }<br>             }<br> <br>             $content = $this->view->fetch($templateFile);<br>             $this->ajaxReturn($content);<br>         }else{<br>             $this->view->display($templateFile);<br>         }<br>     }</block>BY:悠悠山雨

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