hust-epi/whepi-web/src/main/java/com/bofeng/wx/UnsubscribeHandler.java

package com.bofeng.wx;

import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.session.WxSessionManager;
import me.chanjar.weixin.mp.api.WxMpMessageHandler;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.message.WxMpXmlMessage;
import me.chanjar.weixin.mp.bean.message.WxMpXmlOutMessage;
import org.springframework.stereotype.Component;

import java.util.Map;

/**
 * @author Binary Wang(https://github.com/binarywang)
 */
@Component
@Slf4j
public class UnsubscribeHandler implements WxMpMessageHandler {

    @Override
    public WxMpXmlOutMessage handle(WxMpXmlMessage wxMessage,
                                    Map<String, Object> context, WxMpService wxMpService,
                                    WxSessionManager sessionManager) {
        String openId = wxMessage.getFromUser();
        log.info("取消关注用户 OPENID: " + openId);
        // TODO 可以更新本地数据库为取消关注状态
        return null;
    }

}