SpringBoot之普通类获取Spring容器中的bean

1package com.geostar.geostack.git_branch_manager.common;
2
3import org.springframework.beans.BeansException;
4import org.springframework.context.ApplicationContext;
5import org.springframework.context.ApplicationContextAware;
6import org.springframework.stereotype.Component;
7
8/**
9 * @author 王睿
10 * @date 2019-01-16 16:02
11 */
12@Component
13public class SpringUtils implements ApplicationContextAware {
14
15    private static ApplicationContext applicationContext;
16
17    @Override
18    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
19        if (SpringUtils.applicationContext == null) {
20            SpringUtils.applicationContext = applicationContext;
21        }
22    }
23
24    //获取applicationContext
25    public static ApplicationContext getApplicationContext() {
26        return applicationContext;
27    }
28
29    //通过name获取 Bean.
30    public static Object getBean(String name) {
31        return getApplicationContext().getBean(name);
32    }
33
34    //通过class获取Bean.
35    public static <T> T getBean(Class<T> clazz) {
36        return getApplicationContext().getBean(clazz);
37    }
38
39    //通过name,以及Clazz返回指定的Bean
40    public static <T> T getBean(String name, Class<T> clazz) {
41        return getApplicationContext().getBean(name, clazz);
42    }
43}

via：https://www.cnblogs.com/s648667069/p/6489557.html