Zend Framework实现Zend_View集成Smarty模板系统的方法

<?php /** * interface class for zend_view compatible template engine implementations * * @category zend * @package zend_view * @copyright copyright (c) 2005-2011 zend technologies usa inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd new bsd license */ interface zend_view_interface { /** * return the template engine object, if any * * if using a third-party template engine, such as smarty, pattemplate, * phplib, etc, return the template engine object. useful for calling * methods on these objects, such as for setting filters, modifiers, etc. * * @return mixed */ public function getengine(); /** * set the path to find the view script used by render() * * @param string|array the directory (-ies) to set as the path. note that * the concrete view implentation may not necessarily support multiple * directories. * @return void */ public function setscriptpath($path); /** * retrieve all view script paths * * @return array */ public function getscriptpaths(); /** * set a base path to all view resources * * @param string $path * @param string $classprefix * @return void */ public function setbasepath($path, $classprefix = 'zend_view'); /** * add an additional path to view resources * * @param string $path * @param string $classprefix * @return void */ public function addbasepath($path, $classprefix = 'zend_view'); /** * assign a variable to the view * * @param string $key the variable name. * @param mixed $val the variable value. * @return void */ public function __set($key, $val); /** * allows testing with empty() and isset() to work * * @param string $key * @return boolean */ public function __isset($key); /** * allows unset() on object properties to work * * @param string $key * @return void */ public function __unset($key); /** * assign variables to the view script via differing strategies. * * suggested implementation is to allow setting a specific key to the * specified value, or passing an array of key => value pairs to set en * masse. * * @see __set() * @param string|array $spec the assignment strategy to use (key or array of key * => value pairs) * @param mixed $value (optional) if assigning a named variable, use this * as the value. * @return void */ public function assign($spec, $value = null); /** * clear all assigned variables * * clears all variables assigned to zend_view either via {@link assign()} or * property overloading ({@link __get()}/{@link __set()}). * * @return void */ public function clearvars(); /** * processes a view script and returns the output. * * @param string $name the script name to process. * @return string the script output. */ public function render($name); }

<?php require_once 'smartylib/smarty.class.php'; class lq_view_smarty implements zend_view_interface { /** * smarty object * * @var smarty */ protected $_smarty; /** * constructor * * @param $tmplpath string * @param $extraparams array * @return void */ public function __construct($tmplpath = null, $extraparams = array()) { $this->_smarty = new smarty (); if (null !== $tmplpath) { $this->setscriptpath ( $tmplpath ); } foreach ( $extraparams as $key => $value ) { $this->_smarty->$key = $value; } } /** * return the template engine object * * @return smarty */ public function getengine() { return $this->_smarty; } /** * set the path to the templates * * @param $path string * the directory to set as the path. * @return void */ public function setscriptpath($path) { if (is_readable ( $path )) { $this->_smarty->template_dir = $path; return; } throw new exception ( 'invalid path provided' ); } /** * retrieve the current template directory * * @return string */ public function getscriptpaths() { return array ($this->_smarty->template_dir ); } /** * alias for setscriptpath * * @param $path string * @param $prefix string * unused * @return void */ public function setbasepath($path, $prefix = 'zend_view') { return $this->setscriptpath ( $path ); } /** * alias for setscriptpath * * @param $path string * @param $prefix string * unused * @return void */ public function addbasepath($path, $prefix = 'zend_view') { return $this->setscriptpath ( $path ); } /** * assign a variable to the template * * @param $key string * the variable name. * @param $val mixed * the variable value. * @return void */ public function __set($key, $val) { $this->_smarty->assign ( $key, $val ); } /** * retrieve an assigned variable * * @param $key string * the variable name. * @return mixed the variable value. */ public function __get($key) { return $this->_smarty->get_template_vars ( $key ); } /** * allows testing with empty() and isset() to work * * @param $key string * @return boolean */ public function __isset($key) { return (null !== $this->_smarty->get_template_vars ( $key )); } /** * allows unset() on object properties to work * * @param $key string * @return void */ public function __unset($key) { $this->_smarty->clear_assign ( $key ); } /** * assign variables to the template * * allows setting a specific key to the specified value, or passing an array * of key => value pairs to set en masse. * * @see __set() * @param $spec string|array * the assignment strategy to use (key or array of key * => value pairs) * @param $value mixed * (optional) if assigning a named variable, use this * as the value. * @return void */ public function assign($spec, $value = null) { if (is_array ( $spec )) { $this->_smarty->assign ( $spec ); return; } $this->_smarty->assign ( $spec, $value ); } /** * clear all assigned variables * * clears all variables assigned to zend_view either via {@link assign()} or * property overloading ({@link __get()}/{@link __set()}). * * @return void */ public function clearvars() { $this->_smarty->clear_all_assign (); } /** * processes a template and returns the output. * * @param $name string * the template to process. * @return string the output. */ public function render($name) { ob_start(); echo $this->_smarty->fetch ( $name ); unset($name); } }

[production] includepaths.library = application_path "/../library" bootstrap.path = application_path "/bootstrap.php" bootstrap.class = "bootstrap" appnamespace = "application" autoloadernamespaces.lq = "lq_" pluginpaths.lq_view_smarty = "lq/view/smarty" resources.frontcontroller.controllerdirectory = application_path "/controllers" resources.frontcontroller.params.displayexceptions = 1 phpsettings.display_startup_errors = 1 phpsettings.display_errors = 1

<?php class bootstrap extends zend_application_bootstrap_bootstrap { /** * initialize smarty view */ protected function _initsmarty() { $smarty = new lq_view_smarty (); $smarty->setscriptpath('/www/zf_demo1/application/views/scripts'); return $smarty; } }

<?php class indexcontroller extends zend_controller_action { public function init() { /* * initialize action controller here */ } public function indexaction() { $this->_helper->gethelper('viewrenderer')->setnorender(); $this->view = $this->getinvokearg ( 'bootstrap' )->getresource ( 'smarty' ); $this->view->book = 'hello world! '; $this->view->author = 'by smarty'; $this->view->render('index/index.tpl'); } }

<!doctype html public "-//w3c//dtd html 4.01 transitional//en" "http://www.w3.org/tr/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> <title>insert title here</title> </head> <body> {$book} {$author} </body> </html>

/** * initialize new smarty object * */ public function __construct() { // selfpointer needed by some other class methods $this->smarty = $this; if (is_callable('mb_internal_encoding')) { mb_internal_encoding(smarty::$_charset); } $this->start_time = microtime(true); // set default dirs $this->settemplatedir('/www/zf_demo1/temp/smarty' . ds . 'templates' . ds) ->setcompiledir('/www/zf_demo1/temp/smarty' . ds . 'templates_c' . ds) ->setpluginsdir(smarty_plugins_dir) ->setcachedir('/www/zf_demo1/temp/smarty' . ds . 'cache' . ds) ->setconfigdir('/www/zf_demo1/temp/smarty' . ds . 'configs' . ds); $this->debug_tpl = 'file:' . dirname(__file__) . '/debug.tpl'; if (isset($_server['script_name'])) { $this->assignglobal('script_name', $_server['script_name']); } }