我正在尝试实现Zend_Navigation – 通过本教程创建菜单和面包屑
在引导程序中,
...
class Bootstrap extends Zend_Application_Bootstrap_Bootstrap {
protected $_config;
protected $_layout;
protected function _initConfig() {
$this->_config = new Zend_Config_Ini(APPLICATION_PATH . '/configs/application.ini');
Zend_Registry::set("config", $this->_config);
if ($this->_config->debug) {
error_reporting(E_ALL | E_STRICT);
ini_set('display_errors', 'on');
}
$request = new Zend_Controller_Request_Http();
$uri = $request->getRequestUri();
if (preg_match("/admin/", $uri)) {
//echo $this->_config->layout->admin->layout; exit;
$this->_layout = Zend_Layout::startMvc(
array(
'layoutPath' => $this->_config->layout->layoutPath,
'layout' => $this->_config->layout->admin->layout
)
);
} else {
$this->_layout = Zend_Layout::startMvc(
array(
'layoutPath' => $this->_config->layout->layoutPath,
'layout' => $this->_config->layout->layout)
);
//echo $this->_view = $this->_layout->getView(); exit;
}
}
/**
* used for handling top-level navigation
* @return Zend_Navigation
*/
protected function _initNavigation()
{
$view = $this->_layout->getView();
/*
$this->bootstrap('layout');
$layout = $this->getResource('layout');
$view = $layout->getView();
*/
$config = new Zend_Config_Xml(APPLICATION_PATH . '/configs/navigation.xml','nav');
$container = new Zend_Navigation($config);
$view->navigation($container);
}
...
下面是应用程序/配置文件夹下的导航.xml
<?xml version="1.0" encoding="UTF-8"?>
<configdata>
<nav>
<home>
<label>Home</label>
<uri>/</uri>
<pages>
<index>
<label>Home</label>
<uri>/index/index</uri>
</index>
<index>
<label>Product</label>
<uri>/index/product</uri>
</index>
</pages>
</home>
</nav>
</configdata>
在布局文件中
...
<div class="breadcrumbs">
<?= $this->navigation()->breadcrumbs()->setMinDepth(0)->setLinkLast(true)->setSeparator(" : "); ?>
</div>
...
当我运行该网站时,我收到以下错误,
致命错误:未捕获的异常"Zend_Navigation_Exception"与 消息"参数无效:无法确定要实例化的类" in C:''xampp''htdocs''enit''library''Zend''Navigation''Page.php:235 Stack 跟踪:#0 C:''xampp''htdocs''enit''library''Zend''Navigation''Container.php(117): Zend_Navigation_Page::工厂(阵列) #1 C:''xampp''htdocs''enit''library''Zend''Navigation''Container.php(164): Zend_Navigation_Container->addPage(Array) #2 C:''xampp''htdocs''enit''library''Zend''Navigation''Container.php(179): Zend_Navigation_Container->addPages(Array) #3 C:''xampp''htdocs''enit''library''Zend''Navigation''Page.php(852): Zend_Navigation_Container->setPages(Array) #4 C:''xampp''htdocs''enit''library''Zend''Navigation''Page.php(295): Zend_Navigation_Page->set('pages', Array) #5 C:''xampp''htdocs''enit''library''Zend''Navigation''Page.php(250): Zend_Navigation_Page->设置选项(数组) #6 C:''xampp''htdocs''enit''library''Zend''Navigation''Page.php(232): Zend_Navigation_Page->__construct(阵列) #7 C:''xampp''htdocs''enit''library''Zend''Navigation''Container.php(117): Zend_Navigation_P 在 C:''xampp''htdocs''enit''library''Zend''Navigation''Page.php 在第 235 行
我在stackoverflow和google上搜索了一些解决方案,但我找不到它。善意的建议
我已经运行了你的代码。错误在配置中。您有两个同名的兄弟姐妹,Zend_Config_Xml将其合并为此形式
array
'label' => string 'Home' (length=4)
'uri' => string '/' (length=1)
'pages' =>
array
'index' =>
array
0 =>
array
'label' => string 'Home' (length=4)
'uri' => string '/index/index' (length=12)
1 =>
array
'label' => string 'Product' (length=7)
'uri' => string '/index/product' (length=14)
当您查看第 235 行Zend_Mvc_Page时,您可以弄清楚为什么会抛出异常。
$hasUri = isset($options['uri']);
$hasMvc = isset($options['action']) || isset($options['controller']) ||
isset($options['module']) || isset($options['route']);
if ($hasMvc) {
require_once 'Zend/Navigation/Page/Mvc.php';
return new Zend_Navigation_Page_Mvc($options);
} elseif ($hasUri) {
require_once 'Zend/Navigation/Page/Uri.php';
return new Zend_Navigation_Page_Uri($options);
} else {
require_once 'Zend/Navigation/Exception.php';
throw new Zend_Navigation_Exception(
'Invalid argument: Unable to determine class to instantiate');
}
所以最后的解决方案是改变第二个兄弟姐妹的名字。