Spring：整合Struts1

最新推荐文章于 2017-08-07 20:05:45 发布

恒奇恒毅

最新推荐文章于 2017-08-07 20:05:45 发布

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本文介绍如何在Web应用中整合Struts与Spring框架。主要内容包括：在web.xml中配置Spring容器监听器及Struts控制器；定义Struts-config.xml文件以实现页面跳转和表单验证；在beans.xml中定义业务逻辑组件；并通过Spring注解方式注入依赖。此外，还展示了如何利用Spring提供的过滤器解决请求乱码问题。

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在web.xml中声明初始化spring容器的监听器

<context-param>
       <param-name>contextConfigLocation</param-name>
       <param-value>classpath:beans.xml</param-value>
   </context-param>
   
   <listener>
          <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
   </listener>

在web.xml中声明struts1的控制器

<servlet>
       <servlet-name>struts</servlet-name>
       <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
       <init-param>
           <param-name>config</param-name>
           <param-value>/WEB-INF/struts-config.xml</param-value>
       </init-param>
       <load-on-startup>0</load-on-startup>
   </servlet>
   <servlet-mapping>
       <servlet-name>struts</servlet-name>
       <url-pattern>*.do</url-pattern>
   </servlet-mapping>

Struts-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC
          "-//Apache Software Foundation//DTD Struts Configuration 1.3//EN"
          "http://struts.apache.org/dtds/struts-config_1_3.dtd">
<struts-config>
   <form-beans>
       <form-bean name="personForm" type="cn.itcast.web.formbean.PersonForm"/>
   </form-beans>
   <action-mappings>
       <action path="/person/list" validate="false">
           <forward name="list" path="/WEB-INF/page/personlist.jsp"/>
       </action>
       <action path="/person/manage" parameter="method"
       validate="false" scope="request" name="personForm">
           <forward name="message" path="/WEB-INF/page/message.jsp"/>
       </action>
   </action-mappings>

<controller>
<set-property property="processorClass" value="org.springframework.web.struts.DelegatingRequestProcessor"/>
</controller>

</struts-config>

beans.xml中定义action

action中通过注解将service注入

public class PersonAction extends Action {
   @Resource PersonService personService;

   @Override
   public ActionForward execute(ActionMapping mapping, ActionForm form,
           HttpServletRequest request, HttpServletResponse response)
           throws Exception {/*
       WebApplicationContext ctx = WebApplicationContextUtils.getWebApplicationContext(
               this.getServlet().getServletContext());
       PersonService personService =(PersonService)ctx.getBean("personService");*/
       request.setAttribute("persons", personService.getPersons());
       return mapping.findForward("list");
   }

}

使用过滤器解决乱码问题

<filter>
       <filter-name>encoding</filter-name>
       <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
       <init-param>
           <param-name>encoding</param-name>
           <param-value>UTF-8</param-value>
       </init-param>
   </filter>
   <filter-mapping>
       <filter-name>encoding</filter-name>
       <url-pattern>/*</url-pattern>
   </filter-mapping>