class中调用mapper或service

   工具类

package org.jeecg.modules.util;

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

@Component
public class SpringBeanUtil implements ApplicationContextAware {

    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if (SpringBeanUtil.applicationContext == null) {
            SpringBeanUtil.applicationContext = applicationContext;
        }
    }
    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }
    public static Object getBean(String name) {
        return getApplicationContext().getBean(name);
    }
    public static <T> T getBean(Class<T> clazz) {
        return getApplicationContext().getBean(clazz);
    }
    public static <T> T getBean(String name, Class<T> clazz) {
        return getApplicationContext().getBean(name, clazz);
    }
}

使用:

private static final DictMapUtilsMapper dictMapUtilsMapper = SpringBeanUtil.getBean(DictMapUtilsMapper.class);
原文地址:https://www.cnblogs.com/zagwk/p/14010539.html