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Codeigniter 生成静态页面_PHP教程

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发布: 2016-07-14 10:09:06
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    使用CI来生成静态页面,其实很简单,就像论坛里面说的那样,读出页面中的数据,再写入html文件中,最后显示这个html文件就行了,好吧,上码。

 
 
[php] 
                
class MY_Loader extends CI_Loader {  
                    
    public function m_view($view, $vars = array(), $return = FALSE){  
        return $this->_m_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_return' => $return));  
    }  
                    
    protected function _m_ci_load($_ci_data){  
          .....  
                      
            $_ci_html_file=($_ci_ext==='')? $_ci_view.".html" : $_ci_view;//这,生成静态页面的文件名   
                            
            foreach ($this->_ci_view_paths as $_ci_view_file => $cascade){  
                if (file_exists($_ci_view_file.$_ci_file)){  
                    $_ci_path = $_ci_view_file.$_ci_file;  
                    $_ci_html_path=$_ci_view_file.$_ci_html_file;//生成静态页面的路径   
                    $file_exists = TRUE;  
                    break;  
                }  
      ......  
            }  
        }  
                
     .......  
        //在这   
      if(config_item("html")===TRUE){//是否开启生成静态页面   
            $_html_file=@fopen($_ci_html_path,'r');//创建.html文件   
            $buffer = ob_get_contents();  
            @ob_end_clean();  
            if(!$_html_file||(@filesize($_ci_html_path)!=strlen($buffer))){ //如果文件不存在或文件已更变   
                $_html_file=@fopen($_ci_html_path,'w');  
                flock($_html_file, LOCK_EX);  
                fwrite($_html_file, $buffer);                    
                flock($_html_file, LOCK_UN);  
                fclose($_html_file);  
            }  
            //echo(filesize($_ci_html_path)."-".strlen($buffer));   
            include($_ci_html_path);  
        }  
                            
   ......  
    }    
}  
 
              
class MY_Loader extends CI_Loader {
                  
    public function m_view($view, $vars = array(), $return = FALSE){
        return $this->_m_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_return' => $return));
    }
                  
    protected function _m_ci_load($_ci_data){
          .....
                    
            $_ci_html_file=($_ci_ext==='')? $_ci_view.".html" : $_ci_view;//这,生成静态页面的文件名
                          
            foreach ($this->_ci_view_paths as $_ci_view_file => $cascade){
                if (file_exists($_ci_view_file.$_ci_file)){
                    $_ci_path = $_ci_view_file.$_ci_file;
                    $_ci_html_path=$_ci_view_file.$_ci_html_file;//生成静态页面的路径
                    $file_exists = TRUE;
                    break;
                }
      ......
            }
        }
              
     .......
        //在这
      if(config_item("html")===TRUE){//是否开启生成静态页面
            $_html_file=@fopen($_ci_html_path,'r');//创建.html文件
            $buffer = ob_get_contents();
            @ob_end_clean();
            if(!$_html_file||(@filesize($_ci_html_path)!=strlen($buffer))){ //如果文件不存在或文件已更变
                $_html_file=@fopen($_ci_html_path,'w');
                flock($_html_file, LOCK_EX);
                fwrite($_html_file, $buffer);                  
                flock($_html_file, LOCK_UN);
                fclose($_html_file);
            }
            //echo(filesize($_ci_html_path)."-".strlen($buffer));
            include($_ci_html_path);
        }
                          
   ......
    }  
}调用
 
 
[html]  
$this->load->m_view('login',$datas);  
 
$this->load->m_view('login',$datas);
是否生成HTML文件
 
$config["html"]                =  TRUE;
 
 
 
 
全部代码如下
 
 
[php] 
         
class MY_Loader extends CI_Loader {  
             
    public function m_view($view, $vars = array(), $return = FALSE){  
        return $this->_m_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_return' => $return));  
    }  
             
    protected function _m_ci_load($_ci_data){  
        // Set the default data variables   
        foreach (array('_ci_view', '_ci_vars', '_ci_path', '_ci_return') as $_ci_val){  
            $$_ci_val = isset($_ci_data[$_ci_val]) ? $_ci_data[$_ci_val] : FALSE;  
        }  
         
        $file_exists = FALSE;  
        // Set the path to the requested file   
        if (is_string($_ci_path) && $_ci_path !== ''){  
            $_ci_x = explode('/', $_ci_path);//使用一个字符串分割另一个字符串   
            $_ci_file = end($_ci_x);//将数组的内部指针指向最后一个单元   
        }else{  
            $_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION);// 返回文件路径的信息   
            $_ci_file = ($_ci_ext === '') ? $_ci_view.'.php' : $_ci_view;  
            $_ci_html_file=($_ci_ext==='')? $_ci_view.".html" : $_ci_view;//这,生成静态页面的文件名   
                     
            foreach ($this->_ci_view_paths as $_ci_view_file => $cascade){  
                if (file_exists($_ci_view_file.$_ci_file)){  
                    $_ci_path = $_ci_view_file.$_ci_file;  
                    $_ci_html_path=$_ci_view_file.$_ci_html_file;//生成静态页面的路径   
                    $file_exists = TRUE;  
                    break;  
                }  
         
                if ( ! $cascade){  
                    break;  
                }  
            }  
        }  
         
        if ( ! $file_exists && ! file_exists($_ci_path))  
        {  
            show_error('Unable to load the requested file: '.$_ci_file);  
        }  
         
        // This allows anything loaded using $this->load (views, files, etc.)   
        // to become accessible from within the Controller and Model functions.   
        $_ci_CI =& get_instance();  
        foreach (get_object_vars($_ci_CI) as $_ci_key => $_ci_var)  
        {  
            if ( ! isset($this->$_ci_key))  
            {  
                $this->$_ci_key =& $_ci_CI->$_ci_key;  
            }  
        }  
         
        /* 
         * Extract and cache variables 
         * 
         * You can either set variables using the dedicated $this->load->vars() 
         * function or via the second parameter of this function. We'll merge 
         * the two types and cache them so that views that are embedded within 
         * other views can have access to these variables. 
         */  
        if (is_array($_ci_vars))  
        {  
            $this->_ci_cached_vars = array_merge($this->_ci_cached_vars, $_ci_vars);  
        }  
        extract($this->_ci_cached_vars);  
         
        /* 
         * Buffer the output 
         * 
         * We buffer the output for two reasons: 
         * 1. Speed. You get a significant speed boost. 
         * 2. So that the final rendered template can be post-processed by 
         *  the output class. Why do we need post processing? For one thing, 
         *  in order to show the elapsed page load time. Unless we can 
         *  intercept the content right before it's sent to the browser and 
         *  then stop the timer it won't be accurate. 
         */  
        ob_start();  
         
        // If the PHP installation does not support short tags we'll   
        // do a little string replacement, changing the short tags   
        // to standard PHP echo statements.   
        if ( ! is_php('5.4') && (bool) @ini_get('short_open_tag') === FALSE  
            && config_item('rewrite_short_tags') === TRUE && function_usable('eval')  
        )  
        {  
            echo eval('?>'.preg_replace('/;*\s*\?>/', '; ?>', str_replace('=', '
        }  
        else  
        {  
            include($_ci_path); // include() vs include_once() allows for multiple views with the same name   
        }  
         
        log_message('debug', 'File loaded: '.$_ci_path);  
         
        // Return the file data if requested   
        if ($_ci_return === TRUE)  
        {  
            $buffer = ob_get_contents();  
            @ob_end_clean();  
            return $buffer;  
        }  
        //在这   
         if(config_item("html")===TRUE){//是否开启生成静态页面   
            $_html_file=@fopen($_ci_html_path,'r');//创建.html文件   
            $buffer = ob_get_contents();  
            @ob_end_clean();  
            if(!$_html_file||(@filesize($_ci_html_path)!=strlen($buffer))){  
                       $_html_file=@fopen($_ci_html_path,'w');  
                       flock($_html_file, LOCK_EX);  
                fwrite($_html_file, $buffer);                    
                flock($_html_file, LOCK_UN);  
                fclose($_html_file);  
            }  
            //echo(filesize($_ci_html_path)."-".strlen($buffer));   
            include($_ci_html_path);  
        }  
                     
         
        /* 
         * Flush the buffer... or buff the flusher? 
         * 
         * In order to permit views to be nested within 
         * other views, we need to flush the content back out whenever 
         * we are beyond the first level of output buffering so that 
         * it can be seen and included properly by the first included 
         * template and any subsequent ones. Oy! 
         */  
        if (ob_get_level() > $this->_ci_ob_level + 1)  
        {  
            ob_end_flush();  
        }  
        else  
        {  
            $_ci_CI->output->append_output(ob_get_contents());  
            @ob_end_clean();  
        }  
    }    
}  
 
       
class MY_Loader extends CI_Loader {
           
    public function m_view($view, $vars = array(), $return = FALSE){
        return $this->_m_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_return' => $return));
    }
           
    protected function _m_ci_load($_ci_data){
        // Set the default data variables
        foreach (array('_ci_view', '_ci_vars', '_ci_path', '_ci_return') as $_ci_val){
            $$_ci_val = isset($_ci_data[$_ci_val]) ? $_ci_data[$_ci_val] : FALSE;
        }
       
        $file_exists = FALSE;
        // Set the path to the requested file
        if (is_string($_ci_path) && $_ci_path !== ''){
            $_ci_x = explode('/', $_ci_path);//使用一个字符串分割另一个字符串
            $_ci_file = end($_ci_x);//将数组的内部指针指向最后一个单元
        }else{
            $_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION);// 返回文件路径的信息
            $_ci_file = ($_ci_ext === '') ? $_ci_view.'.php' : $_ci_view;
            $_ci_html_file=($_ci_ext==='')? $_ci_view.".html" : $_ci_view;//这,生成静态页面的文件名
                   
            foreach ($this->_ci_view_paths as $_ci_view_file => $cascade){
                if (file_exists($_ci_view_file.$_ci_file)){
                    $_ci_path = $_ci_view_file.$_ci_file;
                    $_ci_html_path=$_ci_view_file.$_ci_html_file;//生成静态页面的路径
                    $file_exists = TRUE;
                    break;
                }
       
                if ( ! $cascade){
                    break;
                }
            }
        }
       
        if ( ! $file_exists && ! file_exists($_ci_path))
        {
            show_error('Unable to load the requested file: '.$_ci_file);
        }
       
        // This allows anything loaded using $this->load (views, files, etc.)
        // to become accessible from within the Controller and Model functions.
        $_ci_CI =& get_instance();
        foreach (get_object_vars($_ci_CI) as $_ci_key => $_ci_var)
        {
            if ( ! isset($this->$_ci_key))
            {
                $this->$_ci_key =& $_ci_CI->$_ci_key;
            }
        }
       
        /*
         * Extract and cache variables
         *
         * You can either set variables using the dedicated $this->load->vars()
         * function or via the second parameter of this function. We'll merge
         * the two types and cache them so that views that are embedded within
         * other views can have access to these variables.
         */
        if (is_array($_ci_vars))
        {
            $this->_ci_cached_vars = array_merge($this->_ci_cached_vars, $_ci_vars);
        }
        extract($this->_ci_cached_vars);
       
        /*
         * Buffer the output
         *
         * We buffer the output for two reasons:
         * 1. Speed. You get a significant speed boost.
         * 2. So that the final rendered template can be post-processed by
         *  the output class. Why do we need post processing? For one thing,
         *  in order to show the elapsed page load time. Unless we can
         *  intercept the content right before it's sent to the browser and
         *  then stop the timer it won't be accurate.
         */
        ob_start();
       
        // If the PHP installation does not support short tags we'll
        // do a little string replacement, changing the short tags
        // to standard PHP echo statements.
        if ( ! is_php('5.4') && (bool) @ini_get('short_open_tag') === FALSE
            && config_item('rewrite_short_tags') === TRUE && function_usable('eval')
        )
        {
            echo eval('?>'.preg_replace('/;*\s*\?>/', '; ?>', str_replace('=', '
        }
        else
        {
            include($_ci_path); // include() vs include_once() allows for multiple views with the same name
        }
       
        log_message('debug', 'File loaded: '.$_ci_path);
       
        // Return the file data if requested
        if ($_ci_return === TRUE)
        {
            $buffer = ob_get_contents();
            @ob_end_clean();
            return $buffer;
        }
        //在这
         if(config_item("html")===TRUE){//是否开启生成静态页面
            $_html_file=@fopen($_ci_html_path,'r');//创建.html文件
            $buffer = ob_get_contents();
            @ob_end_clean();
            if(!$_html_file||(@filesize($_ci_html_path)!=strlen($buffer))){
                       $_html_file=@fopen($_ci_html_path,'w');
                       flock($_html_file, LOCK_EX);
                fwrite($_html_file, $buffer);                  
                flock($_html_file, LOCK_UN);
                fclose($_html_file);
            }
            //echo(filesize($_ci_html_path)."-".strlen($buffer));
            include($_ci_html_path);
        }
                   
       
        /*
         * Flush the buffer... or buff the flusher?
         *
         * In order to permit views to be nested within
         * other views, we need to flush the content back out whenever
         * we are beyond the first level of output buffering so that
         * it can be seen and included properly by the first included
         * template and any subsequent ones. Oy!
         */ www.2cto.com
        if (ob_get_level() > $this->_ci_ob_level + 1)
        {
            ob_end_flush();
        }
        else
        {
            $_ci_CI->output->append_output(ob_get_contents());
            @ob_end_clean();
        }
    }  
}
 

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/477728.htmlTechArticle使用CI来生成静态页面,其实很简单,就像论坛里面说的那样,读出页面中的数据,再写入html文件中,最后显示这个html文件就行了,好吧,上码。...
来源:php.cn
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