创建spring容器
package com.alibaba.itbu.billing.framework.util;import org.springframework.beans.factory.NoSuchBeanDefinitionException;import org.springframework.context.ApplicationContext;import org.springframework.context.support.ClassPathXmlApplicationContext;import org.springframework.core.io.Resource;import org.springframework.core.io.support.PathMatchingResourcePatternResolver;public class ServiceUtil {private static final String filePath = "classpath*:bean/applicationContext.xml";public static ApplicationContext ctx;public static void setCtx(ApplicationContext webCtx) {ServiceUtil.ctx = webCtx;}/** * 如果不是加载默认的applicationContext.xml，请先加载自定义文件，eg："classpath*:bean/applicationContext-define.xml" * @param filePath */public static void setCtx(String filePath){ ApplicationContext context = null; try{ PathMatchingResourcePatternResolver prp = new PathMatchingResourcePatternResolver(); Resource[] platformResources = prp.getResources(filePath); if(platformResources.length>0){ context = new ClassPathXmlApplicationContext(platformResources[0].getURL().toString()); } }catch(Exception e){ e.printStackTrace(); context = null; } ServiceUtil.ctx = context;}@SuppressWarnings("unchecked") public static <T> T getService(Class<T> businessInterface, String serviceName){ ApplicationContext ctx = getCtx(); if(ctx==null){ return null; } Object bean=null; try{ bean = ctx.getBean(serviceName); }catch (NoSuchBeanDefinitionException e){ return null; } return (T) bean;}public static ApplicationContext getCtx() { if(ctx==null){ try{ PathMatchingResourcePatternResolver prp = new PathMatchingResourcePatternResolver(); Resource[] platformResources = prp.getResources(filePath); if(platformResources.length>0){ ctx = new ClassPathXmlApplicationContext(platformResources[0].getURL().toString()); } }catch(Exception e){ e.printStackTrace(); ctx = null; } } return ctx;}}?