DefaultAction

本文详细解析了在Struts2框架中如何通过<default-action-ref>元素配置默认action,使得在访问根目录下未找到具体action时,能够自动跳转到指定的默认action,如index.action。并通过示例展示如何在配置文件中实现这一功能。

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在package当中定义<default-action-ref name="index"></default-action-ref>

作用:当别人访问namespace="/"的时候,如果找不到对应的action,默认的就用index.action

eg:url:http://localhost:8080/struts2/login 很显然在namespace=“/”下面没有login.action,所以就会使用默认的action

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
    <constant name="struts.devMode" value="true" />
    
    <package name="default" namespace="/" extends="struts-default">
    	<default-action-ref name="index"></default-action-ref>
    	<action name="index">
    		<result>/default.jsp</result>
    	</action>
    </package>
</struts>

 

以下是我项目的入口文件: <?php // echo phpinfo(); // die; /** * @name index.php * @desc 入口文件 * @author boye.liu */ try { // Define path to application directory defined('APPLICATION_PATH') || define('APPLICATION_PATH', realpath(dirname(__FILE__) . '/../application')); // Ensure /library on include_path, // And library must be the first, to avoid the error: "Fatal error: Cannot redeclare class Zend_Db" set_include_path(implode(PATH_SEPARATOR, array( realpath(APPLICATION_PATH . '/library'), get_include_path(), ))); // Create application, bootstrap, and run $application = new Yaf_Application( APPLICATION_PATH . '/configs/application.ini' ); $application->bootstrap() ->run(); } catch (Exception $ex) { header("Content-Type: application/json;charset=utf-8"); $code = $ex->getCode(); $msg = $ex->getMessage(); Kepler_Log::error($msg); $errArr = array( "errno" => 1, //system error "errmsg" => "系统错误", "data" => array(), ); echo json_encode($errArr); } 以下时application.ini文件: [product] ;=========== php ini setup phpSettings.display_startup_errors = 0 phpSettings.display_errors = 0 phpSettings.date.timezone = "Asia/Shanghai" ;phpSettings.error_reporting = "E_ALL & ~ E_STRICT" ;=========== application application.directory = APPLICATION_PATH "/" application.bootstrap = APPLICATION_PATH "/Bootstrap.php" application.library = APPLICATION_PATH "/library" application.library.namespace = "Zend,Kepler" ;======= 忽略前缀,仅仅当用于分产品线才使用 ;application.baseUri = "/audit" application.dispatcher.throwException=True application.dispatcher.catchException=True application.dispatcher.defaultModule = "index" application.dispatcher.defaultController = "index" application.dispatcher.defaultAction = "index" ;======= 开发添加的module需要添加到这里 application.modules = "Index,Audit,User,Common,Collect,Business,Data,Market,Company,Shop,Goods,Enquiry,Offer,Order,News,Dt,Meeting,Scf,Crm,Journal,Report,Article,Vote" ;======= application.system.* 通过这个属性, 可以修改yaf的runtime configure ;======= use_spl_autoload must be true application.system.use_spl_autoload=1 为啥现在我所有的接口地址都报错404,但是不带接口的话也能进入到入口文件中去?
07-24
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