import java.util.Map;import org.springframework.beans.BeansException;import org.springframework.context.ApplicationContext;import org.springframework.context.ApplicationContextAware;/** *
獲取ApplicationContext和Object的工具類 *
@author wjq * */@SuppressWarnings({ "rawtypes", "unchecked" })public class SpringContextUtils implements ApplicationContextAware
{ private static ApplicationContext
applicationContext; public void setApplicationContext(ApplicationContext
arg0) throws BeansException
{ applicationContext
= arg0; } /** *
獲取applicationContext對象 *
@return */ public static ApplicationContext
getApplicationContext(){ return applicationContext; } /** *
根據bean的id來查找對象 *
@param id *
@return */ public static Object
getBeanById(String id){ return applicationContext.getBean(id); } /** *
根據bean的class來查找對象 *
@param c *
@return */ public static Object
getBeanByClass(Class c){ return applicationContext.getBean(c); } /** *
根據bean的class來查找所有的對象(包括子類) *
@param c *
@return */ public static Map
getBeansByClass(Class c){ return applicationContext.getBeansOfType(c); }}
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ApplicationContext
ac = new FileSystemXmlApplicationContext("applicationContext.xml") |
可選的操作方法有：
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一：String[]
path={"WebRoot/WEB-INF/applicationContext.xml","WebRoot/WEB-INF/applicationContext_task.xml"};ApplicationContext
context = new FileSystemXmlApplicationContext(path);二：String
path="WebRoot/WEB-INF/applicationContext*.xml";ApplicationContext
context = new FileSystemXmlApplicationContext(path);三：ApplicationContext
ctx = new FileSystemXmlApplicationContext("classpath:地址"); |
