【转】在Servlet中访问Spring管理下的bean
提供一个思路，仅做参考
web.xml:
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<context-param><param-name>contextConfigLocation</param-name><param-value>classpath:springbeans.xml</param-value></context-param><listener> <listener-class>lnx.base.InitPlatformLoader</listener-class></listener>
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InitPlatformLoader.java :
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package lnx.base;import javax.servlet.ServletContextEvent;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;import org.springframework.context.ApplicationContext;import org.springframework.web.context.ContextLoaderListener;import org.springframework.web.context.support.WebApplicationContextUtils;/** * 平台初始化类 */public class InitPlatformLoader extends ContextLoaderListener { protected final Log logger = LogFactory.getLog(getClass()); public void contextInitialized(ServletContextEvent event) { logger.info("初始化平台..."); super.contextInitialized(event); String path = event.getServletContext().getRealPath("/"); logger.debug("系统部署根路径:" + path); Platform.getInstance().setWebPath(path); // 初始化Support中Spring的CTX ApplicationContext ctx = WebApplicationContextUtils .getRequiredWebApplicationContext(event.getServletContext()); Platform.getInstance().setApplicationContext(ctx); logger.info("初始化完成..."); }}?
Platform.java:
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package lnx.base;import org.springframework.context.ApplicationContext;import org.springframework.util.Assert;/*** 平台，为各级提供spring的getbean的方法** @author Feng*/public class Platform { private static Platform ourInstance = new Platform(); public static Platform getInstance() { return ourInstance; } private Platform() { } private ApplicationContext applicationContext = null; public void setApplicationContext(ApplicationContext applicationContext) { this.applicationContext = applicationContext; } /** * 根据BeanName获得Bean * * @param beanName sping配置的id * @return 符合条件的bean */ public Object getBean(String beanName) { Assert.hasText(beanName); return this.applicationContext.getBean(beanName); } // 平台部署的根物理路径 private String WebPath; /** * 获得平台部署的根物理路径 * * @return 根物理路径 */ public String getWebPath() { return WebPath; } /** * 设置根物理路径 * * @param webPath 根物理路径 */ public void setWebPath(String webPath) { WebPath = webPath; }}?
用法：
Platform.getInstance().getBean("bean的name");?
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来自：http://bbs.langsin.com/thread-4286-1-89.html?非常感谢！