<!-- https://mvnrepository.com/artifact/com.github.binarywang/weixin-java-mp -->
<dependency>
    <groupId>com.github.binarywang</groupId>
    <artifactId>weixin-java-mp</artifactId>
    <version>3.3.0</version>
</dependency>

@GetMapping("/pushMsg")
public String pushWXMsg(String openId){
    sealOrderService.queryOrderPayStatus(openId);// 测试支付结果查询接口
    Map<String,String> dataMap = new HashMap<>();
    dataMap.put("first","创建时间："+new SimpleDateFormat("yyyyMMdd").format(new Date()));
    dataMap.put("keyword1","232323");
    dataMap.put("keyword2","长沙起飞刻章店");
    dataMap.put("keyword3","微信支付");
    dataMap.put("keyword4","666");
    dataMap.put("keyword5","无");
    dataMap.put("remark","印章1-印章2-印章3");
    boolean flag = weiXinService.pushWeiXinMsg(openId,dataMap);
    return (flag?"OK":"NO");
}

package com.dhht.wechat.service;

import com.dhht.wechat.util.SendMsgUtil;
import com.dhht.wechat.wxpay.config.WxPayProperties;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.mp.api.WxMpInMemoryConfigStorage;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.api.impl.WxMpServiceImpl;
import me.chanjar.weixin.mp.bean.template.WxMpTemplateData;
import me.chanjar.weixin.mp.bean.template.WxMpTemplateMessage;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.Map;

/**
 * @Author: sh
 * @Description: WeiXinService 微信工具
 * @Date: 10:12 2019/9/17
 */
@Slf4j
@Service
public class WeiXinService {

    @Value("${appSecret}")
    private String appSecret;

    @Value("${wechat_msg_tem_id}")
    private String WECHAT_MSG_TEM_ID;

    @Resource
    private WxPayProperties wxPayProperties;// 第三方

    /**
     * 获取微信openId
     *
     * @param code
     * @return
     */
    public String getOpenId(String code) {
        try {
            String openUrl = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=" + wxPayProperties.getAppId() + "&secret=" + appSecret + "&code=" + code + "&grant_type=authorization_code";
            String openId = SendMsgUtil.httpRequest(openUrl, "GET", "{}").getString("openid");// 获取openid
            return openId;
        } catch (Exception e) {
            return null;
        } finally {
        }
    }

    /**
     * 微信消息推送
     *
     * @param openId
     * @return
     */
    public boolean pushWeiXinMsg(String openId, Map<String, String> dataMap) {
        try {
            if (StringUtils.isEmpty(openId)) {
                return false;
            }
            //1，配置
            WxMpInMemoryConfigStorage wxStorage = new WxMpInMemoryConfigStorage();
            wxStorage.setAppId(wxPayProperties.getAppId());
            wxStorage.setSecret(appSecret);
            WxMpService wxMpService = new WxMpServiceImpl();
            wxMpService.setWxMpConfigStorage(wxStorage);

            //2,推送消息
            WxMpTemplateMessage templateMessage = WxMpTemplateMessage.builder()
                    .toUser(openId)//要推送的用户openid
                    .templateId(WECHAT_MSG_TEM_ID)//模版id
                    //.url("https://30paotui.com/")//点击模版消息要访问的网址
                    .build();
            //3,如果是正式版发送模版消息，这里需要配置你的信息
            dataMap.forEach((k, v) -> {
                templateMessage.addData(new WxMpTemplateData(k, v, "#FF00FF"));
            });
//        templateMessage.addData(new WxMpTemplateData("first","认为热", "#FF00FF"));
//        templateMessage.addData(new WxMpTemplateData("keyword1","dfdsfd", "#FF00FF"));
//        templateMessage.addData(new WxMpTemplateData("keyword2","门店", "#FF00FF"));
//        templateMessage.addData(new WxMpTemplateData("keyword3","支付房贷首法定付", "#FF00FF"));
//        templateMessage.addData(new WxMpTemplateData("keyword4","888", "#FF00FF"));
//        templateMessage.addData(new WxMpTemplateData("keyword5","meiyou地方", "#FF00FF"));
//        templateMessage.addData(new WxMpTemplateData("remark","请及时查看", "#FF00FF"));
            wxMpService.getTemplateMsgService().sendTemplateMsg(templateMessage);
            return true;
        } catch (Exception e) {
            log.info("推送失败：" + e.getMessage());
            return false;
        }


    }
}

微信消息模板使用