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2009年11月29日
myAndroid(Struts2+Sitemesh+Freemarker)
工程目录


web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    id="WebApp_ID" version="2.5">
    <display-name>android</display-name>
    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.htm</welcome-file>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>default.html</welcome-file>
        <welcome-file>default.htm</welcome-file>
        <welcome-file>default.jsp</welcome-file>
    </welcome-file-list>

    <!-- 第一 这个过滤器与Struts的核心过滤器协同工作,以便更容易与sitemesh整合 -->
    <filter>
        <filter-name>struts-cleanup</filter-name>
        <filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp</filter-class>
    </filter>

    <!-- 第二 sitemesh的过滤器,同时也整合了Freemarker -->
    <filter>
        <filter-name>sitemesh</filter-name>
        <filter-class>org.apache.struts2.sitemesh.FreeMarkerPageFilter</filter-class>
    </filter>

    <!-- 第三 struts2过滤器 -->
    <filter>
        <filter-name>struts2Filter</filter-name>
        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>


    <filter-mapping>
        <filter-name>struts-cleanup</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <filter-mapping>
        <filter-name>sitemesh</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <filter-mapping>
        <filter-name>struts2Filter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <!--
        使FreeMarker模块能够使用strut2标签,使用方式：<#assign
        s=JspTaglibs["/WEB-INF/struts-tags.tld"] />
    -->
    <servlet>
        <servlet-name>JspSupportservlet</servlet-name>
        <servlet-class>org.apache.struts2.views.JspSupportServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet>
        <servlet-name>sitemesh-freemarker</servlet-name>
        <servlet-class>com.opensymphony.module.sitemesh.freemarker.FreemarkerDecoratorServlet</servlet-class>
        <init-param>
            <param-name>TemplatePath</param-name>
            <param-value>/</param-value>
        </init-param>
        <init-param>
            <param-name>default_encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>sitemesh-freemarker</servlet-name>
        <url-pattern>/*</url-pattern>
    </servlet-mapping>

</web-app>

struts.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
        "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
    <constant name="struts.convention.default.parent.package" value="crud-default" />
    <constant name="struts.convention.package.locators" value="action" />
    <constant name="struts.convention.package.locators.basePackage" value="org.david.android" />
    <constant name="struts.convention.result.path" value="/WEB-INF/web" />

    <!-- 用于CRUD Action的parent package -->
    <package name="crud-default" extends="convention-default">
        <!-- 基于paramsPrepareParamsStack,
            增加store interceptor保证actionMessage在redirect后不会丢失 -->
        <interceptors>
            <interceptor-stack name="crudStack">
                <interceptor-ref name="store">
                    <param name="operationMode">AUTOMATIC</param>
                </interceptor-ref>
                <interceptor-ref name="paramsPrepareParamsStack" />
            </interceptor-stack>
        </interceptors>

        <default-interceptor-ref name="crudStack" />
    </package>

    <!-- 
        使用Convention插件,实现约定大于配置的零配置文件风格.
               特殊的Result路径在Action类中使用@Result设定. 
    -->
</struts>

decorators.xml
<?xml version="1.0" encoding="UTF-8"?>

<decorators defaultdir="/WEB-INF/decorators">
    <decorator name="main" page="main.ftl">
        <pattern>/*</pattern>
    </decorator>
</decorators>

HelloWorldAction.java
package org.david.android.action.user;


public class HelloWorldAction {
    private String message;
    public String getMessage() {
        return message;
    }
    
    public void setMessage(String message) {
        this.message = message;
    }
    
    public String execute(){
        this.message = "ITdavid";
        return "success";
    }
}

main.ftl
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>${title}</title>
</head>
<body>
<div>
hello
${body}
</body>
</html>

hello-world.ftl
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="layout" content="main"/>
<title>Insert title here</title>
</head>
<body>
    Hello ${message!}
</body>
</html>


posted @ 2009-11-29 17:05 大卫 阅读(3286) | 评论 (4) | 编辑 收藏
2009年11月25日
我的web.xml(freemarker+stripes+spring)
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    id="WebApp_ID" version="2.5">
    <display-name>fmtest</display-name>
    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.htm</welcome-file>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>default.html</welcome-file>
        <welcome-file>default.htm</welcome-file>
        <welcome-file>default.jsp</welcome-file>
    </welcome-file-list>

    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/config/service-context.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <filter>
        <display-name>Stripes Filter</display-name>
        <filter-name>StripesFilter</filter-name>
        <filter-class>net.sourceforge.stripes.controller.StripesFilter</filter-class>
        <init-param>
            <param-name>ActionResolver.Packages</param-name>
            <param-value>net.sourceforge.stripes.examples</param-value>
        </init-param>
        <init-param>
            <param-name>Interceptor.Classes</param-name>
            <param-value>net.sourceforge.stripes.integration.spring.SpringInterceptor</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>StripesFilter</filter-name>
        <servlet-name>StripesDispatcher</servlet-name>
    </filter-mapping>

    <servlet>
        <servlet-name>StripesDispatcher</servlet-name>
        <servlet-class>net.sourceforge.stripes.controller.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>StripesDispatcher</servlet-name>
        <url-pattern>*.action</url-pattern>
    </servlet-mapping>

    <servlet>
        <servlet-name>Freemarker</servlet-name>
        <servlet-class>freemarker.ext.servlet.FreemarkerServlet</servlet-class>
        <init-param>
            <param-name>TemplatePath</param-name>
            <param-value>/</param-value>
        </init-param>
        <init-param>
            <param-name>template_update_delay</param-name>
            <param-value>0</param-value> <!-- 0 is for dev only! Use higher value otherwise. -->
        </init-param>
        <init-param>
            <param-name>DefaultEncoding</param-name>
            <param-value>utf-8</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>Freemarker</servlet-name>
        <url-pattern>*.ftl</url-pattern>
    </servlet-mapping>

</web-app>
posted @ 2009-11-25 15:45 大卫 阅读(1748) | 评论 (2) | 编辑 收藏
解决FreeMarker中文乱码问题
解决FreeMarker中文乱码问题。
在web.xml中配置如下：
<servlet>
    <servlet-name>Freemarker</servlet-name>
    <servlet-class>freemarker.ext.servlet.FreemarkerServlet</servlet-class>
    <init-param>
        <param-name>TemplatePath</param-name>
        <param-value>/</param-value>
    </init-param>
    <init-param>
        <param-name>template_update_delay</param-name>
        <param-value>3600</param-value> <!-- 0 值仅用于开发环境，生产环境请设置为3600或者更大。 -->
    </init-param>
    <init-param>
        <param-name>DefaultEncoding</param-name> <!-- 解决中文编码问题 -->
        <param-value>utf-8</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
</servlet>
--------------------

    PES准高手
posted @ 2009-11-25 15:02 大卫 阅读(5059) | 评论 (1) | 编辑 收藏
2009年9月28日
防御性编程应该适可而止
RT
太保守会影响效率，当某些代码逻辑是认为可控制时，不用保守。
posted @ 2009-09-28 10:08 大卫 阅读(422) | 评论 (0) | 编辑 收藏
2009年9月27日
关于类的划分的一点点感悟
关于类的划分，上层应该按业务领域含义划分，下层应该按实现细节划分。
posted @ 2009-09-27 12:10 大卫 阅读(409) | 评论 (0) | 编辑 收藏
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