Springboot 擷取IOC容器内Bean BeanUtils工具類 代碼示例

代碼

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

@Component
public class SpringBeanUtil<T> implements ApplicationContextAware {
    private static ApplicationContext applicationContext;

    public static <T> T getBean(Class<T> clazz) {
        return applicationContext != null ? applicationContext.getBean(clazz) : null;
    }

    public static Object getBeanByName(String name) {
        return applicationContext != null ? applicationContext.getBean(name) : null;
    }

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