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package com.jsowell.wxpay.service;
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import com.alibaba.fastjson2.JSON;
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import com.alibaba.fastjson2.JSONObject;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.google.common.base.Strings;
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import com.google.common.collect.ImmutableMap;
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import com.jsowell.common.constant.Constants;
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import com.jsowell.common.core.redis.RedisCache;
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import com.jsowell.common.enums.ykc.ReturnCodeEnum;
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import com.jsowell.common.exception.BusinessException;
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import com.jsowell.common.util.DateUtils;
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import com.jsowell.common.util.StringUtils;
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import com.jsowell.common.util.http.HttpUtils;
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import com.jsowell.pile.service.IOrderBasicInfoService;
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import com.jsowell.pile.vo.uniapp.SendMessageVO;
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import com.jsowell.wxpay.config.WeixinLoginProperties;
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import com.jsowell.wxpay.dto.AppletTemplateMessageSendDTO;
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import com.jsowell.wxpay.dto.WechatSendMsgDTO;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Service;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Map;
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@Service
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public class WxAppletRemoteService {
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private Logger log = LoggerFactory.getLogger(WxAppletRemoteService.class);
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private static final String WX_APPLET_URl = "https://api.weixin.qq.com/cgi-bin";
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private static final String GET_USER_PHONE_NUMBER_URL = "https://api.weixin.qq.com/wxa/business/getuserphonenumber";
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@Autowired
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private ObjectMapper objectMapper;
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@Autowired
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private RedisCache redisCache;
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@Autowired
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private IOrderBasicInfoService orderBasicInfoService;
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@Value("${weixin.login.appid}")
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private String appid;
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@Value("${weixin.login.appsecret}")
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private String secret;
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@Value("${weixin.sendMsg.startChargingTmpId}")
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private String startChargingTmpId;
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@Value("${weixin.sendMsg.stopChargingTmpId}")
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private String stopChargingTmpId;
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/**
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* 获取accessToken
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*
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* @return
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*/
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public String getAccessToken() {
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// String appid = Constants.APP_ID;
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// String secret = Constants.APP_SECRET;
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// 这里我是从配置文件中取得appid和appsecret
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// appid = properties.getAppId();
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// secret = properties.getAppSecret();
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//查询token是否存在
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String redisKey = "AccessToken_" + appid;
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// 使用缓存先查询AccessToken是否存在
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String accessToken = redisCache.getCacheObject(redisKey);
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// 存在直接返回，不存在重新获取AccessToken
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if (!Strings.isNullOrEmpty(accessToken)) {
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return accessToken;
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}
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// 获取AccessToken的url
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String grantType = "client_credential";
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// https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=
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String url = WX_APPLET_URl + "/token?grant_type=" + grantType + "&appid=" + appid + "&secret=" + secret;
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// 获取到AccessToken
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String token = HttpUtils.sendGet(url);
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Map<String, Object> map = null;
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try {
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map = objectMapper.readValue(token, Map.class);
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} catch (IOException e) {
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log.error("小程序异常通知-获取AccessToken-转化异常", e);
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}
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String access_token = String.valueOf(map.get("access_token"));
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// 把AccessToken存入缓存中，并设置过期时间，因为access_token的过期时间是两小时，我们缓存的时间一定要小于两小时，
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redisCache.setCacheObject(redisKey, access_token, 300);
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if (map.get("errcode") != null || map.get("errmsg") != null) {
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String errcode = String.valueOf(map.get("errcode"));
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String errmsg = String.valueOf(map.get("errmsg"));
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if (!errcode.equals("0")) {
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log.error("获取token失败：code=" + errcode + "msg=" + errmsg);
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return null;
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}
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}
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return access_token;
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}
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/**
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* 获取手机号
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*
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* @param code
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* @return
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*/
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public String getMobileNumberByCode(String code) {
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if (StringUtils.isBlank(code)) {
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throw new BusinessException(ReturnCodeEnum.CODE_PARAM_NOT_NULL_ERROR);
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}
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// 请求获取令牌
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String access_token = getAccessToken();
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// 通过token，code（前端getPhoneNum按钮返回的code，而不是登录的code）发送post请求到官方获取到手机号码
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String postUrl = GET_USER_PHONE_NUMBER_URL + "?access_token=" + access_token;
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JSONObject paramJson = new JSONObject();
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paramJson.put("code", code);
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String postResult = HttpUtils.sendPost(postUrl, paramJson.toJSONString());
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JSONObject postResultJson = JSONObject.parseObject(postResult);
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String errCode = postResultJson.getString("errcode");
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if (!StringUtils.equals(errCode, Constants.ZERO)) {
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// errCode不为0，表示有错误
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String errMsg = postResultJson.getString("errmsg");
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log.info("发送Post请求失败,错误消息：{}", errMsg);
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throw new BusinessException(errCode, errMsg);
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}
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JSONObject phoneInfoJson = (JSONObject) postResultJson.get("phone_info");
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return phoneInfoJson.getString("phoneNumber");
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}
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/**
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* 获取openId
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*
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* @param code
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* @return
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*/
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public String getOpenIdByCode(String code) {
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String baseAccessTokenUrl = WeixinLoginProperties.WX_OPEN_GATEWAY +
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"?appid=%s" +
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"&secret=%s" +
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"&js_code=%s" +
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"&grant_type=authorization_code";
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log.info("appid:{},appscrect:{}", WeixinLoginProperties.WX_OPEN_APP_ID, WeixinLoginProperties.WX_OPEN_APP_SECRET);
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String accessTokenUrl = String.format(baseAccessTokenUrl, WeixinLoginProperties.WX_OPEN_APP_ID, WeixinLoginProperties.WX_OPEN_APP_SECRET, code);
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//2：执行请求，获取微信请求返回得数据
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String result = HttpUtils.sendGet(accessTokenUrl);
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// 3： 对微信返回得数据进行转换
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Map<String, Object> resultMap = JSONObject.parseObject(result, HashMap.class);
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log.info("微信返回的日志信息是：code:{}，resultMap：{}", code, resultMap);
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if (resultMap.get("errcode") != null) {
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throw new BusinessException("22006", "微信登录出错!");
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}
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// 4: 解析微信用户得唯一凭证openid
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String openid = (String) resultMap.get("openid");
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if (StringUtils.isBlank(openid)) {
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throw new BusinessException("22009", "登录失败，尝试刷新重新扫码登录!!!");
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}
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// 5：封装返回
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return openid;
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}
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/**
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* 开始充电发送消息
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* @param dto
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* @return
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*/
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public Map<String, String> startChargingSendMsg(WechatSendMsgDTO dto) {
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// 通过code查询openId并set
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String openId = getOpenIdByCode(dto.getCode());
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if (StringUtils.isBlank(openId)) {
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return null;
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}
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AppletTemplateMessageSendDTO msgInfo = new AppletTemplateMessageSendDTO();
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msgInfo.setType("1"); // 1-开始充电推送消息
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msgInfo.setTouser(openId);
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// 通过orderCode查询到充电站点和开始时间并set
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String orderCode = dto.getOrderCode();
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SendMessageVO sendMessageVO = orderBasicInfoService.selectOrderInfoByOrderCode(orderCode);
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AppletTemplateMessageSendDTO.StartChargingMessage startChargingMessage = new AppletTemplateMessageSendDTO.StartChargingMessage();
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msgInfo.setStartChargingMessage(startChargingMessage);
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if (StringUtils.isBlank(sendMessageVO.getChargeStartTime())) {
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startChargingMessage.setStartTime(DateUtils.dateTimeNow("yyyy-MM-dd HH:mm"));
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}else {
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startChargingMessage.setStartTime(sendMessageVO.getChargeStartTime()); // 开始时间
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}
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startChargingMessage.setStationName(sendMessageVO.getStationName()); // 站点名称
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return uniAppSendMsg(msgInfo);
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}
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/**
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* 停止充电发送消息
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* @param dto
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* @return
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*/
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public Map<String, String> stopChargingSendMsg(WechatSendMsgDTO dto) {
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// 通过订单号查询订单金额
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AppletTemplateMessageSendDTO msgInfo = new AppletTemplateMessageSendDTO();
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SendMessageVO sendMessageVO = orderBasicInfoService.selectOrderInfoByOrderCode(dto.getOrderCode());
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msgInfo.setType("2"); // 2-结束充电推送消息
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msgInfo.setTouser(sendMessageVO.getOpenId());
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// 封装对象并调用发送消息的方法
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AppletTemplateMessageSendDTO.StopChargingMessage stopChargingMessage = new AppletTemplateMessageSendDTO.StopChargingMessage();
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msgInfo.setStopChargingMessage(stopChargingMessage);
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stopChargingMessage.setChargingAmount(sendMessageVO.getOrderAmount());
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stopChargingMessage.setEndReason(sendMessageVO.getStopReason());
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if (StringUtils.isBlank(sendMessageVO.getChargeStopTime())) {
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stopChargingMessage.setEndTime(DateUtils.dateTimeNow("yyyy-MM-dd HH:mm"));
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}else {
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stopChargingMessage.setEndTime(sendMessageVO.getChargeStopTime());
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}
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return uniAppSendMsg(msgInfo);
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}
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/**
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* 小程序发送消息方法
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* @param dto
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* @return
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*/
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private Map<String, String> uniAppSendMsg(AppletTemplateMessageSendDTO dto) {
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// 判断是什么场景调用此方法（1-开始充电推送消息；2-充电结束推送消息）
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String type = dto.getType();
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// 根据不同的场景set不同的对象
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if (StringUtils.equals("1", type)) {
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// 开始充电
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String templateId = startChargingTmpId;
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dto.setTemplate_id(templateId);
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// dto.setPage("跳转的页面");
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Map<String, Object> map = new HashMap<>();
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map.put("thing5", ImmutableMap.of("value", dto.getStartChargingMessage().getStationName())); // 充电站名称
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map.put("time2", ImmutableMap.of("value", dto.getStartChargingMessage().getStartTime())); // 开始时间
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dto.setData(map);
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} else if (StringUtils.equals("2", type)) {
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// 结束充电
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String templateId = stopChargingTmpId;
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dto.setTemplate_id(templateId);
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// dto.setPage("跳转的页面");
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Map<String, Object> map = new HashMap<>();
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map.put("amount17", ImmutableMap.of("value", dto.getStopChargingMessage().getChargingAmount())); // 充电金额
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map.put("time3", ImmutableMap.of("value", dto.getStopChargingMessage().getEndTime())); // 结束时间
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map.put("thing7", ImmutableMap.of("value", dto.getStopChargingMessage().getEndReason())); // 结束原因
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dto.setData(map);
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}
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// 调用下面的发送消息接口
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return uniformMessageSend(dto);
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}
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/**
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* 同一消息发送接口
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* AppletTemplateMessageSendDTO 是一个传输类
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*/
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public Map<String, String> uniformMessageSend(AppletTemplateMessageSendDTO data) {
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String token = getAccessToken();
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// 调用发型接口
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String url = WX_APPLET_URl + "/message/subscribe/send?access_token=" + token;
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String returnData = HttpUtils.sendPost(url, JSON.toJSONString(data));
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Map<String, Object> map = null;
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try {
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map = objectMapper.readValue(returnData, Map.class);
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} catch (IOException e) {
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log.error("小程序异常通知-同一消息发送-转化异常", e);
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}
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String errcode = String.valueOf(map.get("errcode"));
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String errmsg = String.valueOf(map.get("errmsg"));
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if (!errcode.equals(Constants.ZERO)) {
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log.error("消息发送失败：code=" + errcode + "msg=" + errmsg);
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}
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Map<String, String> resultMap = new HashMap<>();
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resultMap.put("code", errcode);
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resultMap.put("message", errmsg);
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return resultMap;
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}
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}
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