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  • Spring Boot 获取ApplicationContext

     1 package com.demo;
     2 
     3 import org.springframework.beans.BeansException;
     4 import org.springframework.context.ApplicationContext;
     5 import org.springframework.context.ApplicationContextAware;
     6 import org.springframework.stereotype.Component;
     7 
     8 @Component
     9 public class SpringUtils implements ApplicationContextAware {
    10     private static ApplicationContext applicationContext = null;
    11 
    12     @Override
    13     public void setApplicationContext(ApplicationContext arg0) throws BeansException {
    14         if (SpringUtils.applicationContext == null) {
    15             SpringUtils.applicationContext = arg0;
    16         }
    17     }
    18 
    19     // 获取applicationContext
    20     public static ApplicationContext getApplicationContext() {
    21         return applicationContext;
    22     }
    23 
    24     // 通过name获取 Bean.
    25     public static Object getBean(String name) {
    26         return getApplicationContext().getBean(name);
    27     }
    28 
    29     // 通过class获取Bean.
    30     public static <T> T getBean(Class<T> clazz) {
    31         return getApplicationContext().getBean(clazz);
    32     }
    33 
    34     // 通过name,以及Clazz返回指定的Bean
    35     public static <T> T getBean(String name, Class<T> clazz) {
    36         return getApplicationContext().getBean(name, clazz);
    37     }
    38 
    39 }

    与Spring Boot启动类同包或其子包

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  • 原文地址:https://www.cnblogs.com/imeng/p/5952109.html
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