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  • ApplicationContextUtil 上下文工具类

    package com.icss.common.core.config;

    import org.springframework.beans.BeansException;
    import org.springframework.context.ApplicationContext;
    import org.springframework.context.ApplicationContextAware;
    import org.springframework.stereotype.Component;

    /**
    * spring 上下文工具类
    * @author DAWN
    */
    @Component
    public class ApplicationContextUtil implements ApplicationContextAware {

    /**
    * 上下文对象实例
    */
    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
    ApplicationContextUtil.applicationContext = applicationContext;
    }

    /**
    * 获取applicationContext
    *
    * @return
    */
    public static ApplicationContext getApplicationContext() {
    return applicationContext;
    }

    /**
    * 通过name获取 Bean.
    *
    * @param name
    * @return
    */
    public static Object getBean(String name) {
    return getApplicationContext().getBean(name);
    }

    /**
    * 通过class获取Bean.
    *
    * @param clazz
    * @param <T>
    * @return
    */
    public static <T> T getBean(Class<T> clazz) {
    return getApplicationContext().getBean(clazz);
    }

    /**
    * 通过name,以及Clazz返回指定的Bean
    *
    * @param name
    * @param clazz
    * @param <T>
    * @return
    */
    public static <T> T getBean(String name, Class<T> clazz) {
    return getApplicationContext().getBean(name, clazz);
    }
    }
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  • 原文地址:https://www.cnblogs.com/pxzbky/p/14897595.html
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