getContext()->getRequest();
        $_SESSION['install_step'] = '1';
        $_SESSION['install_error'] = 0;
        //环境检测
        $config = array(
            array('操作系统', '不限制', '类Unix', PHP_OS, 'success'),
            array('PHP版本', '5.6', '5.6+', PHP_VERSION, 'success'),
            array('MYSQL版本', '5.5', '5.6+', '未知', 'success'), //PHP5.5不支持mysql版本检测
            array('附件上传', '不限制', '2M+', '未知', 'success'),
            array('GD库', '2.0', '2.0+', '未知', 'success'),
            array('磁盘空间', '80M', '不限制', '未知', 'success'),
        );
        //PHP版本检测
        if(PHP_VERSION < 5.6 || phpversion()< 5.6 ){
            $config[1][4] = 'error';
            $_SESSION['install_error'] = 1;
        }
        //附件上传检测
        if(@ini_get('file_uploads'))
            $config[3][3] = ini_get('upload_max_filesize');
        //GD库检测
        $tmp = function_exists('gd_info') ? gd_info() : array();
        if(empty($tmp['GD Version'])){
            $config[4][3] = '未安装';
            $config[4][4] = 'error';
            $_SESSION['install_error'] = 2;
        } else {
            $config[4][3] = $tmp['GD Version'];
        }
        unset($tmp);
        //磁盘空间检测
        if(function_exists('disk_free_space')) {
            $config[5][3] = floor(disk_free_space(REAL_PATH) / (1024*1024)).'M';
        }
        $request->setAttribute("functions",$config);
        //目录文件读写检测
        unset($config);
        
        //函数检测
        $config = array(
            array('dir',  '[√]可写', 'success', '../LKT/webapp/_cache'),
            array('dir',  '[√]可写', 'success', '../LKT/webapp/_compile'),
            array('dir',  '[√]可写', 'success', '../LKT/webapp/config'),
            array('dir',  '[√]可写', 'success', './webapp/_cache'),
            array('dir',  '[√]可写', 'success', './webapp/_compile'),
        );
        foreach ($config as &$val) {
            if('dir' == $val[0]){
                if(!is_writable(REAL_PATH . $val[3])) {
                    if(is_dir($val[3])) {
                        $val[1] = '[√]可读';
                        $val[2] = 'error';
                    } else {
                        $val[1] = '[×]不存在';
                        $val[2] = 'error';
                        $_SESSION['install_error'] = 3;
                    }
                }
            } else {
                if(file_exists(REAL_PATH . $val[3])) {
                    if(!is_writable(REAL_PATH . $val[3])) {
                        $val[1] = '[×]不可写';
                        $val[2] = 'error';
                    }
                } else {
                    if(!is_writable(dirname(REAL_PATH . $val[3]))) {
                        $val[1] = '[×]不存在';
                        $val[2] = 'error';
                        $_SESSION['install_error'] = 4;
                    }
                }
            }
        }
            $request->setAttribute("files",$config);
            unset($config);
            $config = array(
            array('mysqli_connect',     '[√]支持', 'success'),
            array('file_get_contents', '[√]支持', 'success'),
            array('mb_strlen',         '[√]支持', 'success'),
            array('curl_init',         '[√]支持', 'success'),
        );
        foreach ($config as &$val) {
            if(!function_exists($val[0])){
                $val[1] = '[×]不支持';
                $val[2] = 'error';
                $val[3] = '开启';
                $_SESSION['install_error'] = 5;
            }
        }
        $request->setAttribute("func",$config);
        $num = 2;
        $this->getContext()->getStorage()->write('step',$num);
       return View :: INPUT;
    }
    public function getRequestMethods ()
    {
        return Request::NONE;
    }
}
?>