Calculation/app/lib/common.js

'use strict';

const { parseString } = require('xml2js');
class Common {
    parseStringXml(xml) {
        return new Promise((resolve, reject) => {
            parseString(xml, async (err, result) => {
                if (!err) {
                    const xmlData = result.xml;
                    const { MsgType, ToUserName, FromUserName, Event, Content } = xmlData;
                    const createTime = Date.parse(new Date());
                    const msgType = MsgType[0]; // 消息类型，event
                    const toUserName = ToUserName[0]; // 开发人员微信号
                    const toFromName = FromUserName[0]; // 发送方帐号（一个OpenID）
                    const event = Event ? Event[0] : ''; // 事件类型，subscribe(订阅)、unsubscribe(取消订阅)
                    const msgContent = Content ? Content[0] : ''; // 消息内容
                    resolve({
                        createTime,
                        msgType,
                        toUserName,
                        toFromName,
                        event,
                        msgContent,
                    });
                } else {
                    console.log('err******', err);
                    reject(new Error('解析失败'));
                }
            });
        });
    }
}

module.exports = new Common();