更新代码

puzhibing

2023-03-15 79962435853baf5a28e08461f46a831fffa1a4b0

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package com.stylefeng.guns.modular.system.util;
 
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
 
@Component
public class SpringContextsUtil implements ApplicationContextAware{
 
    private static ApplicationContext applicationContext;
     
    @Override    
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {        
        if (SpringContextsUtil.applicationContext == null) {            
            SpringContextsUtil.applicationContext = applicationContext;        
        }    
    }     
    // 获取applicationContext    
    public static ApplicationContext getApplicationContext() {        
        return applicationContext;    
    }     
    // 通过name获取 Bean.    
    public static Object getBean(String name) {        
        return getApplicationContext().getBean(name);    
    }     
    // 通过class获取Bean.    
    public static <T> T getBean(Class<T> clazz) {        
        return getApplicationContext().getBean(clazz);    
    }     
    // 通过name,以及Clazz返回指定的Bean    
    public static <T> T getBean(String name, Class<T> clazz) {    
        System.out.println(getApplicationContext().getBean(name, clazz));
        return getApplicationContext().getBean(name, clazz);    
    }
    
}