将struts的freemarkerManager配置放置在spring容器中维护
原freemarker配置的ftl读取路径是默认在classes下，
增加userConfiguration配置使其可以在web路径下读取ftl
package net.esj.basic.plugins.freemarker;import java.io.File;import java.io.IOException;import javax.servlet.ServletContext;import net.esj.basic.utils.ApplicationBeanContext;import org.apache.struts2.views.freemarker.FreemarkerManager;import org.springframework.context.annotation.Scope;import org.springframework.stereotype.Component;import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;import freemarker.template.Configuration;import freemarker.template.TemplateException;/** * 将struts的freemarkerManager配置放置在spring容器中维护 * @author Administrator * */@Component("springConfigToFreemarkerManager")@Scope("prototype")public class SpringConfigToFreemarkerManager extends FreemarkerManager {private static final String SPRING_FREEMARKER_BEAN = "freemarkerConfig";private Configuration userConfiguration;@Override protected Configuration createConfiguration(ServletContext servletContext) throws TemplateException { FreeMarkerConfigurer fmconfig = (FreeMarkerConfigurer) ApplicationBeanContext.getBean(SPRING_FREEMARKER_BEAN); try { Configuration configuration =fmconfig.createConfiguration(); configuration.setWhitespaceStripping(true);return configuration;} catch (IOException e) {e.printStackTrace();} return super.createConfiguration(servletContext); } protected Configuration createUserConfiguration(ServletContext servletContext) throws TemplateException{userConfiguration =createConfiguration(servletContext);String realpath = servletContext.getRealPath("/");try {userConfiguration.setDirectoryForTemplateLoading(new File(realpath));} catch (IOException e) {e.printStackTrace();}return userConfiguration;}public Configuration getUserConfiguration(ServletContext servletContext) {if(userConfiguration==null){try {createUserConfiguration(servletContext);} catch (TemplateException e) {e.printStackTrace();}}return userConfiguration;}}