我们如何将Struts 2与Tiles 3集成?目前(2.3.4.1),struts2-tiles-plugin与较旧版本的tiles(版本2.0.6)一起使用,这可能有点麻烦。
这是一个自答案,为了帮助其他人进行集成。
该示例包括完整的web.xml,对于熟悉struts2的人来说,第3-5行是唯一新的内容。
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<listener>
<listener-class>org.apache.tiles.extras.complete.CompleteAutoloadTilesListener</listener-class>
</listener>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
3) 创建自定义结果类型
我们需要为我们的操作定义一个自定义结果类型:
package com.quaternion.result;
import com.opensymphony.xwork2.ActionInvocation;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.dispatcher.ServletDispatcherResult;
import org.apache.tiles.TilesContainer;
import org.apache.tiles.access.TilesAccess;
import org.apache.tiles.request.ApplicationContext;
import org.apache.tiles.request.servlet.ServletRequest;
import org.apache.tiles.request.servlet.ServletUtil;
public class TilesResult extends ServletDispatcherResult {
public TilesResult() {
super();
}
public TilesResult(String location) {
super(location);
}
@Override
public void doExecute(String location, ActionInvocation invocation) throws Exception {
//location = "test.definition"; //for test
setLocation(location);
ServletContext context = ServletActionContext.getServletContext();
ApplicationContext applicationContext = ServletUtil.getApplicationContext(context);
TilesContainer container = TilesAccess.getContainer(applicationContext);
HttpServletRequest request = ServletActionContext.getRequest();
HttpServletResponse response = ServletActionContext.getResponse();
ServletRequest servletRequest = new ServletRequest(applicationContext, request, response);
container.render(location, servletRequest);
}
}
4) 我们还需要告诉struts2关于我们的结果类型:
<?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" />
<constant name="struts.ui.theme" value="simple" />
<package name="tiles-package" namespace="" extends="struts-default">
<result-types>
<result-type default="true" name="tiles-result" class="com.quaternion.result.TilesResult"/>
</result-types>
</package>
</struts>
现在我们可以在项目中使用瓷砖了,假设我们已经创建了一个名为“test.definition”的瓷砖定义,我们可以通过以下方式告诉我们的操作使用该定义:
package com.quaternion.demo.action.test;
import com.opensymphony.xwork2.ActionSupport;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
@ParentPackage("tiles-package")
@Result(type="tiles-result", location="test.definition")
public class QuaternionResultTest extends ActionSupport{}
就这样,这将让您配置任何版本的struts2与tiles 3+,请参见http://tiles.apache.org/framework/index.html以获取更多配置详情。
https://cwiki.apache.org/confluence/display/WW/Tiles+3+Plugin
<!DOCTYPE tiles-definitions PUBLIC "-//Apache Software Foundation//DTD Tiles Configuration 3.0//EN" "http://tiles.apache.org/dtds/tiles-config_3_0.dtd">
在你的tiles.xml文件中使用提到的doctype