swoole+yaf集合框架并整合smarty模板引擎(二)_综合

本文讲述的是swoole+yaf与smarty模板的整合

首先下载smarty模板 smarty下载地址，下载完后解压到/application/library/下；然后在application下建立一个modules

文件夹，并在里面建立一个Adm模块（要在配置文件中配置其合法），在Adm在建立controllers和views文件夹如下图所示。

swoole+yaf集合框架并整合smarty模板引擎(二)

然后修改conf/application.ini

[common]
application.directory = APPLICATION_PATH  "/application" ;项目文件
application.dispatcher.catchException = TRUE ;输出异常
application.modules= 'Index,Adm,Monitor' ;合法模块定义,例如访问http://test.com/adm/index/index 即访问Adm/index控制器下的index方法
application.ext = php ;默认脚本
application.view.ext = html ;视图默认文件形式 可以改成htm,phtml等等
[product : common]
smarty.left_delimiter   = "{
   {" ;smarty渲染标签  例如{
   { $content }} 如果改成"{-" 那么渲染就是{- $content -} 很好理解的
smarty.right_delimiter  = "}}"
smarty.template_dir= APPLICATION_PATH "/application/modules/Adm/views/" ;模板文件目录
smarty.compile_dir= APPLICATION_PATH "/application/cache/compile"
smarty.cache_dir= APPLICATION_PATH "/application/cache/"

然后在application中的Bootstrap.php(yaf默认加载库文件的文件)中配置smarty初始化

<?php
/*** @name Bootstrap* @author lancelot* @desc 所有在Bootstrap类中, 以_init开头的方法, 都会被Yaf调用,* @see http://www.php.net/manual/en/class.yaf-bootstrap-abstract.php* 这些方法, 都接受一个参数:Yaf_Dispatcher $dispatcher* 调用的次序, 和申明的次序相同*/
class Bootstrap extends Yaf_Bootstrap_Abstract{public function _initConfig() {//把配置保存起来$arrConfig = Yaf_Application::app()->getConfig();Yaf_Registry::set('config', $arrConfig);}public function _initPlugin(Yaf_Dispatcher $dispatcher) {//注册一个插件$objSamplePlugin = new SamplePlugin();$dispatcher->registerPlugin($objSamplePlugin);}public function _initRoute(Yaf_Dispatcher $dispatcher) {//在这里注册自己的路由协议,默认使用简单路由}public function _initView(Yaf_Dispatcher $dispatcher){//在这里注册自己的view控制器，例如smarty,firekylinYaf_Dispatcher::getInstance()->disableView(); //因为要用smarty引擎作为渲染，所以关闭yaf自身的自动渲染功能}public function _initSmarty(Yaf_Dispatcher $dispatcher) {Yaf_Loader::import( APPLICATION_PATH ."/application/library/smarty-3.1.32/libs/Adapter.php");//引入yaf与smarty的适配文件$smarty = new Smarty_Adapter(null, Yaf_Application::app()->getConfig()->smarty);//实例化引入文件的类Yaf_Dispatcher::getInstance()->setView($smarty);//渲染模板}
}

然后在library/smarty-3.1.32/libs下新建一个适配文件Adapter.php

<?phpYaf_Loader::import( APPLICATION_PATH ."/application/library/smarty-3.1.32/libs/Smarty.class.php");
//echo 'APPLICATION_PATH ."/application/library/smarty-3.1.32/libs/Smarty.class.php';exit();
Yaf_Loader::import( APPLICATION_PATH . "/application/library/smarty-3.1.32/libs/sysplugins/smarty_internal_templatecompilerbase.php");
Yaf_Loader::import( APPLICATION_PATH . "/application/library/smarty-3.1.32/libs/sysplugins/smarty_internal_templatelexer.php");
Yaf_Loader::import( APPLICATION_PATH . "/application/library/smarty-3.1.32/libs/sysplugins/smarty_internal_templateparser.php");
Yaf_Loader::import( APPLICATION_PATH . "/application/library/smarty-3.1.32/libs/sysplugins/smarty_internal_compilebase.php");
Yaf_Loader::import( APPLICATION_PATH . "/application/library/smarty-3.1.32/libs/sysplugins/smarty_internal_write_file.php");class Smarty_Adapter implements Yaf_View_Interface   /*Smarty_Adapter类为yaf与smarty之间的适配器*/
{/*** Smarty object* @var Smarty*/public $_smarty;/*** Constructor** @param string $tmplPath* @param array $extraParams* @return void*/public function __construct($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 string $path The directory to set as the path.* @return void*/public function setScriptPath($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 getScriptPath(){return $this->_smarty->template_dir;}/*** Alias for setScriptPath** @param string $path* @param string $prefix Unused* @return void*/public function setBasePath($path, $prefix = 'Zend_View'){return $this->setScriptPath($path);}/*** Alias for setScriptPath** @param string $path* @param string $prefix Unused* @return void*/public function addBasePath($path, $prefix = 'Zend_View'){return $this->setScriptPath($path);}/*** Assign a variable to the template** @param string $key The variable name.* @param mixed $val The variable value.* @return void*/public function __set($key, $val){$this->_smarty->assign($key, $val);}/*** Allows testing with empty() and isset() to work** @param string $key* @return boolean*/public function __isset($key){return (null !== $this->_smarty->get_template_vars($key));}/*** Allows unset() on object properties to work** @param string $key* @return void*/public function __unset($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 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, $value = null) {if (is_array($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 string $name The template to process.* @return string The output.*/public function render($name, $value = NULL) {return $this->_smarty->fetch($name);}public function display($name, $value = NULL) {echo $this->_smarty->fetch($name);}
}

然后在Adm的控制器新建一个文件Index.php

<?phpclass IndexController extends Yaf_Controller_Abstract {/** * 默认动作* Yaf支持直接把Yaf_Request_Abstract::getParam()得到的同名参数作为Action的形参* 对于如下的例子, 当访问http://yourhost/Test/index/index/index/name/lancelot 的时候, 你就会发现不同*/public function indexAction() {//1. fetch query//$get = $this->getRequest()->getQuery("get", "default value");// $get = HttpServer::$get;//2. fetch model$model = new SampleModel();//3. assign$this->getView()->assign("name", "test");$this->getView()->display('index/index.html');}}

然后在views新建一个index文件夹然后在里面新建一个index.html

<a>{
   {$content}}</a>

因为修改了php文件所以要重新启动server.php 重启以后访问你的http://test.com:9095/adm/index/index就可以看到浏览器输出test了，至此smarty与swoole_yaf的适配成功了。

在swoole中修改了php文件每一次都要重启server.php是非常麻烦的事情，可以

ps aux | grep server.php 获取进程号
kill -USR1 进程号  kill指令是意思是给进程发送信号的意思，不是只有杀死进程的意思，至于发送什么信号就看传入的参数

通过以上两条指令就可以实现平滑重启server.php,这样做的好处是不会影响到线上正在使用的用户。不然每次强制重启服务会导致数据丢失，或者客户的服务中断，是非常不好的。swoole里也有一个平滑重启的方法swoole_server->reload。

接下来在swoole可以引入静态文件，为了文件的良好管理建议在项目文件下新增一个public目录，在下面放入我们所需要引入的静态文件，然后在server.php中配置参数

	$http->set(['worker_num' => 16,'daemonize' => true, //开启守护进程模式,即让server.php在后台运行'max_request' => 10000,'enable_static_handler'=>true,//开启静态模板'document_root' => '/home/wwwroot/swoole-yaf/' //静态模板的地址]);

然后在adm/view/index/index.html中引入静态文件的格式是

为什么是/public/static/test.css 这是取决于你的index.php这个入口文件在哪
<link rel="stylesheet" type="text/css" href="/public/static/test.css"       />