Created
February 5, 2018 07:27
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freemarker 静态类调用
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public class FreemarkerModelInterceptor implements HandlerInterceptor { | |
private static final Logger logger = LoggerFactory.getLogger(FreemarkerModelInterceptor.class); | |
private Map<String, String> utilClasses; | |
private TemplateHashModel staticModels; | |
public FreemarkerModelInterceptor() { | |
BeansWrapperBuilder builder = new BeansWrapperBuilder(Configuration.VERSION_2_3_26); | |
staticModels = builder.build().getStaticModels(); | |
} | |
@Override | |
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws | |
Exception { | |
return true; | |
} | |
@Override | |
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView | |
modelAndView) throws Exception { | |
if (modelAndView != null && utilClasses != null && !utilClasses.isEmpty()) { | |
utilClasses.entrySet().stream().forEach(entry -> { | |
try { | |
modelAndView.addObject(entry.getKey(), (TemplateHashModel) staticModels.get(entry.getValue())); | |
} catch (TemplateModelException e) { | |
logger.error("添加freemarker工具类异常:" + entry.getValue(), e); | |
} | |
}); | |
} | |
} | |
@Override | |
public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception | |
ex) throws Exception { | |
} | |
public Map<String, String> getUtilClasses() { | |
return utilClasses; | |
} | |
public void setUtilClasses(Map<String, String> utilClasses) { | |
this.utilClasses = utilClasses; | |
} | |
} | |
配置: | |
<bean id="freemarkerModelInterceptor" class="com.jd.findsomeone.web.FreemarkerModelInterceptor"> | |
<property name="utilClasses"> | |
<map> | |
<entry key="stringUtils" value="org.apache.commons.lang3.StringUtils"></entry> | |
</map> | |
</property> | |
</bean> | |
<mvc:interceptor> | |
<mvc:mapping path="/**"/> | |
<ref bean="freemarkerModelInterceptor"/> | |
</mvc:interceptor> | |
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