qianmu_ticket/miniprogram/app.js

import Malls from "./js/Malls";
import Coupons from "./js/Coupons";
import CryptoJS from "./crypto-js";

App({
  async onLaunch() {
    this.malls = new Malls();
    this.coupons = new Coupons();
    this.globalData = {};
  },
  async getOpenid() {
    if (this.openid) return this.openid;
    const apiKey = "29EXdde5aOT7kFE4KLMtGYvIjgT";
    const apiSecret = "bf3fd4a5d79744e8ad87ca6b8c665277";
    const date = new Date();
    let sign = function (timestamp, params) {
      console.log("请求参数");
      console.log(params);
      // 排序参数
      const sortParamsEncode = Object.keys(params)
        .sort()
        .map((key) => `${key}=${params[key]}`)
        .join("&");
      console.log("排序参数");
      console.log(sortParamsEncode);
      // 加密字符串
      const encryptStr = sortParamsEncode + "|" + timestamp + "|" + apiKey;
      console.log("加密字符串");
      console.log(encryptStr);
      // 加密
      const digest = CryptoJS.enc.Base64.stringify(
        CryptoJS.HmacSHA256(encryptStr, apiSecret)
      );
      console.log("加密值");
      console.log(digest);
      return digest;
    };
    const { code } = await new Promise((resolve, reject) => {
      wx.login({
        success: resolve,
        fail: reject,
      });
    });
    let timestamp = date.toISOString();
    const body = {
      mallCode: "wx1949744ebf85151fwx1949744ebf85151f",
      code,
    };

    const signature = sign(timestamp, body);

    const { data } = await new Promise((resolve) =>
      wx.request({
        url: `https://api.1000my.com/wxmp/session`,
        method: "POST",
        data: body,
        header: {
          "x-qm-apikey": apiKey,
          "x-qm-datetime": timestamp,
          "x-qm-signature": signature,
          "Content-Type": "application/json",
        },
        success: resolve,
      })
    );
    console.log(data);

    this.openid = data.openid;
    return this.openid;
  },
});