read-Atleap-5-发表新闻-表现层

v寻找发表新闻的页面

Ø news menu定义

<Item name="NewsManagement" title="news.menu.title" action="/news/listItems" roles="manager"/>

ØStruts 定义

<action

path="/news/listItems"

type="com.blandware.atleap.webapp.action.news.ListNewsItemsAction"

name="newsItemForm"

scope="request"

roles="manager"

unknown="false"

validate="false"

>

<forward

name="listNewsItems"

path=".news.listItems"

redirect="false"

/>

</action>

Øtailes定义

<!-- News -->

<definition name=".news.listItems" extends=".coreLayout" role="manager">

<put name="titleKey" value="news.listItems"/>

<put name="content" value="/WEB-INF/pages/news/listItems.jsp" />

</definition>

v发表新闻Action

Ø <html:form action="news/callCreateItem" method="POST">

<html:submit styleClass="button"><bean:message key="button.create" /></html:submit>

</html:form>

Ø <action

path="/news/callCreateItem"

type="com.blandware.atleap.webapp.action.news.CallCreateNewsItemAction"

name="newsItemForm"

scope="request"

roles="manager"

unknown="false"

validate="false"

>

<forward

name="createNewsItem"

path=".news.createItem"

redirect="false"

/>

<forward

name="listNewsItems"

path="/news/listItems.do"

redirect="true"

/>

</action>

Ø com.blandware.atleap.webapp.action.news.CallCreateNewsItemAction

public final class CallCreateNewsItemAction extends BaseAction {

public ActionForward execute(ActionMapping mapping, ActionForm form,

HttpServletRequest request, HttpServletResponse response) throws Exception {

request.getSession().removeAttribute(NewsModuleWebConstants.NEWS_ITEM_SUBMITTE

D_ACTION);

ContentLocaleManager contentLocaleManager = (ContentLocaleManager)

getBean(Constants.CONTENT_LOCALE_MANAGER_BEAN);

List contentLocales =

contentLocaleManager.listContentLocales(null).asList();

request.getSession().setAttribute(WebappConstants.CONTENT_LOCALES_COLLECTION_KEY, contentLocales);

// save transaction token in request

saveToken(request);

return mapping.findForward("createNewsItem");

}

}

Øtiles-config.xml中的定义

<definition name=".news.createItem" extends=".coreLayout" role="manager">

<put name="titleKey" value="news.createItem"/>

<put name="content" value="/WEB-INF/pages/news/createItem.jsp" />

<putList name="pageScripts">

<add value="/scripts/core/calendar.js"/>

</putList>

<putList name="pageStyles">

<add value="/styles/core/calendar.css"/>

</putList>

</definition>

Øatleap中的新闻填写需写两屏，这是第2屏的action

<html:form action="news/callCreateItemBody" method="POST" onsubmit="return validateForm(this);">

Ø第2屏的action

<action

path="/news/callCreateItemBody"

type="com.blandware.atleap.webapp.action.news.CallCreateNewsItemBodyAction"

name="newsItemForm"

scope="request"

input="inputForward"

roles="manager"

unknown="false"

validate="false"

>

<forward

name="inputForward"

path=".news.createItem"

redirect="false"

/>

<forward

name="createNewsItemBody"

path=".news.createItemBody"

redirect="false"

/>

<forward

name="listNewsItems"

path="/news/listItems.do"

redirect="true"

/>

</action>

Ø

public ActionForward execute(ActionMapping mapping, ActionForm form,

HttpServletRequest request, HttpServletResponse response) throws Exception {

request.getSession().removeAttribute(NewsModuleWebConstants.NEWS_ITEM_SUBMITTED_ACTION);

if ( isCancelled(request) ) {

return mapping.findForward("listNewsItems");

}

if ( request.getSession().getAttribute(WebappConstants.CONTENT_LOCALES_COLLECTION_KEY) == null ) {

ContentLocaleManager contentLocaleManager = (ContentLocaleManager) getBean(Constants.CONTENT_LOCALE_MANAGER_BEAN);

List contentLocales = contentLocaleManager.listContentLocales(null).asList();

request.getSession().setAttribute(WebappConstants.CONTENT_LOCALES_COLLECTION_KEY, contentLocales);

}

NewsItemForm newsItemForm = (NewsItemForm) form;

if ( !WebappUtil.hasCorrectValues(newsItemForm.getTitleMap()) ) {

// title must be specified

ActionMessages errors = new ActionMessages();

errors.add("title", new ActionMessage("errors.required", getMessage(request, "newsItemForm.title")));

saveErrors(request, errors);

saveToken(request);

return mapping.getInputForward();

}

saveToken(request);

return mapping.findForward("createNewsItemBody");

}

}

Ø

<definition name=".news.createItemBody" extends=".coreLayout" role="manager">

<put name="titleKey" value="news.createItemBody"/>

<put name="content" value="/WEB-INF/pages/news/createItemBody.jsp" />

</definition>

Ø点击create按钮提交建立新闻请求后的action跳转

<html:form action="news/createItem" method="POST">

Ø建立新闻的action（关键）

<action

path="/news/createItem"

type="com.blandware.atleap.webapp.action.news.CreateNewsItemAction"

name="newsItemForm"

scope="request"

input="inputForward"

roles="manager"

unknown="false"

validate="true"

>

<forward

name="inputForward"

path=".news.createItem"

redirect="false"

/>

<forward

name="listNewsItems"

path="/news/listItems.do"

redirect="true"

/>

<forward

name="callCreateItem"

path=".news.createItem"

redirect="false"

/>

</action>