package com.stdsoft.wisdomh.util;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
 * @author pengXiaoLin
 
 * @date 2018-06-05 15:26
 **/
public class ApplicationContextUtil implements ApplicationContextAware {

    private static ApplicationContext applicationContext;
    public void setApplicationContext(ApplicationContext ac) throws BeansException {
        applicationContext = ac;
}

    public static ApplicationContext getApplicationContext
 
() {
        return applicationContext;
}

    /**
     * 根據Class型別在IOC容器中獲取物件
     *
     * @param clazz Class型別
     * @return 物件
     */
public static <T> List<T> getBeanByType(Class<T> clazz) {
        List<T> list = new ArrayList<T>();
/* 獲取介面的所有例項名 */
String[] beanNames = applicationContext
 
.getBeanNamesForType(clazz);
System.out.println("getBeanByType beanNames : " + beanNames == null ? "" : Arrays.toString(beanNames));
        if (beanNames == null || beanNames.length == 0) {
            return list;
}

        T t = null;
        for (String beanName : beanNames) {
            t = (T) applicationContext.getBean(beanName);
list.add(t);
}

        return list;
}

}

在自己的配置檔案中注入此工具類

<bean id="applicationContextUtil" class="com.stdsoft.wisdomh.util.ApplicationContextUtil"></bean>

使用方式就是

RedisUtil redisUtil = ApplicationContextUtil.getApplicationContext().getBean(RedisUtil.class);