Yaf_Dispatcher::setView

(Yaf >=1.0.0)

Yaf_Dispatcher::setView — 设置自定义视图引擎

说明

public Yaf_Dispatcher::setView(Yaf_View_Interface $view): Yaf_Dispatcher

如果想使用自定义视图引擎而不是 Yaf_View_Simple，此方法会帮你解决这个问题。

参数

view: Yaf_View_Interface 实例

返回值

示例

示例 #1 自定义视图引擎示例

<?php
require "/path/to/smarty/Smarty.class.php";

class Smarty_Adapter implements Yaf_View_Interface
{
/**
     * 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;
        }
    }

/**
     * 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');
    }

/**
     * 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 Yaf_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);
    }

}
?>

示例 #2 Yaf_Dispatcher::setView() 示例

<?php
class Bootstrap extends Yaf_Bootstrap_Abstract {

/**
     * there are some config for smarty in the config:
     *
     * smarty.left_delimiter   = "{{"
     * smarty.right_delimiter  = "}}"
     * smarty.template_dir     = APPLICATION_PATH "/views/scripts/"
     * smarty.compile_dir      = APPLICATION_PATH "/views/templates_c/"
     * smarty.cache_dir        = APPLICATION_PATH "/views/templates_d/"
     *
     */
public function _initConfig() {
$config = Yaf_Application::app()->getConfig();
Yaf_Registry::set("config", $config);
    }

    public function _initLocalName() {
/** we put class Smarty_Adapter under the local library directory */
Yaf_Loader::getInstance()->registerLocalNamespace('Smarty');
    }

    public function _initSmarty(Yaf_Dispatcher $dispatcher) {
$smarty = new Smarty_Adapter(null, Yaf_Registry::get("config")->get("smarty"));
$dispatcher->setView($smarty);
/* now the Smarty view engine become the default view engine of Yaf */
}
}
?>

参见

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官方地址：https://www.php.net/manual/en/yaf-dispatcher.setview.php

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Yaf_Dispatcher::setView

说明

参数

返回值

示例

参见

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