web项目中加载spring容器的方式

1、在Web.xml中，通过ContextLoaderListener加载

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<context-param>

??? <param-name>contextConfigLocation</param-name>

??? <param-value>/WEB-INF/daoContext.xml /WEB-INF/applicationContext.xml</param-value>

</context-param>

<listener>

??? <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

</listener>

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2、在Web.xml中，通过ContextLoaderServlet加载

<context-param>

??? <param-name>contextConfigLocation</param-name>

??? <param-value>/WEB-INF/daoContext.xml /WEB-INF/applicationContext.xml</param-value>

</context-param>

<servlet>

??? <servlet-name>context</servlet-name>

??? <servlet-class>org.springframework.web.context.ContextLoaderServlet</servlet-class>

??? <load-on-startup>1</load-on-startup>

</servlet>

3、在struts-config.xml中，通过ContextLoaderPlugIn加载

<plug-in className="org.springframework.web.struts.ContextLoaderPlugIn">

??? <set-property property="contextConfigLocation" value="/WEB-INF/action-servlet.xml,

??????? /WEB-INF/applicationContext.xml"/>

</plug-in>

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