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常用的spring操作
There is a newer version: 2.1.2-RELEASE
package com.hb0730.commons.spring;

import org.springframework.aop.framework.AopContext;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.context.ApplicationContext;

/**
 * @author bing_huang
 * @date 2020/07/30 11:57
 * @since V1.0
 */
public class SpringContextUtil {
    private static ApplicationContext applicationContext;

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

    /**
     * 设置spring context
     *
     * @param applicationContext spring context
     */
    public static void setApplicationContext(ApplicationContext applicationContext) {
        SpringContextUtil.applicationContext = applicationContext;
    }

    /**
     * 获取spring beanFactory的bean
     *
     * @param name bean name
     * @param   bean 类型
     * @return bean实例
     * @throws BeansException bean exception
     */
    @SuppressWarnings("unchecked")
    public static  T getBean(String name) throws BeansException {
        return (T) applicationContext.getBean(name);
    }

    /**
     * 获取spring beanFactory中bean
     *
     * @param clz class bean
     * @param  bean 类型
     * @return bean实例
     * @throws BeansException bean exception
     */

    public static  T getBean(Class clz) throws BeansException {
        return applicationContext.getBean(clz);
    }

    /**
     * spring beanFactory是否存在该bean
     *
     * @param name bean name
     * @return true 存在,false 不存在
     */
    public static boolean containsBean(String name) {
        return applicationContext.containsBean(name);
    }

    /**
     * bean 是否为单例
     *
     * @param name bean name
     * @return true 为单例
     * @throws NoSuchBeanDefinitionException NoSuchBeanDefinitionException
     */
    public static boolean isSingleton(String name) throws NoSuchBeanDefinitionException {
        return applicationContext.isSingleton(name);
    }

    /**
     * 根据名称获取注册类型
     *
     * @param name bean  name
     * @return 注册类型
     * @throws NoSuchBeanDefinitionException NoSuchBeanDefinitionException
     */
    public static Class getType(String name) throws NoSuchBeanDefinitionException {
        return applicationContext.getType(name);
    }

    /**
     * 获取bean的别名
     *
     * @param name bean name
     * @return bean 别名
     * @throws NoSuchBeanDefinitionException NoSuchBeanDefinitionException
     */
    public static String[] getAliases(String name) throws NoSuchBeanDefinitionException {
        return applicationContext.getAliases(name);
    }

    /**
     * 获取aop代理对象
     */
    @SuppressWarnings("unchecked")
    public static  T getAopProxy(T invoker) {
        return (T) AopContext.currentProxy();
    }
}