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上传后台管理系统代码

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2020-05-06 07:40:43 +08:00
parent 8ba73ed42b
commit ca9fd1c2f7
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novel-admin/src/main/java/com/java2nb/common/utils/SpringContextHolder.java Normal file
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//package com.java2nb.common.utils;
//
//import org.apache.commons.lang3.Validate;
//import org.slf4j.Logger;
//import org.slf4j.LoggerFactory;
//import org.springframework.beans.factory.DisposableBean;
//import org.springframework.context.ApplicationContext;
//import org.springframework.context.ApplicationContextAware;
//import org.springframework.context.annotation.Lazy;
//import org.springframework.stereotype.Service;
//
///**
// * 以静态变量保存Spring ApplicationContext, 可在任何代码任何地方任何时候取出ApplicaitonContext.
// *
// */
//@Service
//@Lazy(false)
//public class SpringContextHolder implements ApplicationContextAware, DisposableBean {
//
// private static ApplicationContext applicationContext = null;
//
// private static Logger logger = LoggerFactory.getLogger(SpringContextHolder.class);
//
// /**
// * 取得存储在静态变量中的ApplicationContext.
// */
// public static ApplicationContext getApplicationContext() {
// assertContextInjected();
// return applicationContext;
// }
//
// /**
// * 从静态变量applicationContext中取得Bean, 自动转型为所赋值对象的类型.
// */
// @SuppressWarnings("unchecked")
// public static <T> T getBean(String name) {
// assertContextInjected();
// return (T) applicationContext.getBean(name);
// }
//
// /**
// * 从静态变量applicationContext中取得Bean, 自动转型为所赋值对象的类型.
// */
// public static <T> T getBean(Class<T> requiredType) {
// assertContextInjected();
// return applicationContext.getBean(requiredType);
// }
//
// /**
// * 清除SpringContextHolder中的ApplicationContext为Null.
// */
// public static void clearHolder() {
// if (logger.isDebugEnabled()) {
// logger.debug("清除SpringContextHolder中的ApplicationContext:" + applicationContext);
// }
// applicationContext = null;
// }
//
// /**
// * 实现ApplicationContextAware接口, 注入Context到静态变量中.
// */
// @Override
// public void setApplicationContext(ApplicationContext applicationContext) {
// SpringContextHolder.applicationContext = applicationContext;
// }
//
// /**
// * 实现DisposableBean接口, 在Context关闭时清理静态变量.
// */
// @Override
// public void destroy() throws Exception {
// SpringContextHolder.clearHolder();
// }
//
// /**
// * 检查ApplicationContext不为空.
// */
// private static void assertContextInjected() {
// Validate.validState(applicationContext != null,
// "applicaitonContext属性未注入, 请在applicationContext.xml中定义SpringContextHolder.");
// }
//}