57 lines
1.5 KiB
Java
57 lines
1.5 KiB
Java
package com.yupi.springbootinit.utils;
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import org.jetbrains.annotations.NotNull;
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import org.springframework.beans.BeansException;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.ApplicationContextAware;
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import org.springframework.stereotype.Component;
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/**
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* Spring 上下文获取工具
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*
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* @author <a href="https://github.com/liyupi">程序员鱼皮</a>
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* @from <a href="https://yupi.icu">编程导航知识星球</a>
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*/
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@Component
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public class SpringContextUtils implements ApplicationContextAware {
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private static ApplicationContext applicationContext;
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@Override
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public void setApplicationContext(@NotNull ApplicationContext applicationContext) throws BeansException {
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SpringContextUtils.applicationContext = applicationContext;
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}
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/**
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* 通过名称获取 Bean
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*
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* @param beanName
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* @return
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*/
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public static Object getBean(String beanName) {
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return applicationContext.getBean(beanName);
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}
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/**
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* 通过 class 获取 Bean
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*
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* @param beanClass
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* @param <T>
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* @return
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*/
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public static <T> T getBean(Class<T> beanClass) {
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return applicationContext.getBean(beanClass);
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}
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/**
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* 通过名称和类型获取 Bean
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*
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* @param beanName
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* @param beanClass
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* @param <T>
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* @return
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*/
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public static <T> T getBean(String beanName, Class<T> beanClass) {
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return applicationContext.getBean(beanName, beanClass);
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}
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} |