ShipOwner_WxApp/miniprogram/app.js

import { wxSetSessionKey } from "./utils/wxUtils";
App({
  onLaunch: function () {
    const updateManager = wx.getUpdateManager();

    updateManager.onCheckForUpdate(function (res) {
      // 请求完新版本信息的回调
    });

    updateManager.onUpdateReady(function () {
      wx.showModal({
        title: "更新提示",
        content: "新版本已经准备好，是否重启应用？",
        success: function (res) {
          if (res.confirm) {
            // 新的版本已经下载好，调用 applyUpdate 应用新版本并重启
            updateManager.applyUpdate();
          }
        },
      });
    });

    updateManager.onUpdateFailed(function () {
      // 新版本下载失败
    });

    wx.cloud.init({
      traceUser: true,
    });
    this.globalData = {};
  },
  onShow() {
    this.checkEnvVersion();
  },
  checkEnvVersion() {
    let v = wx.getAccountInfoSync();
    let appVersion = wx.getStorageSync("appVersion");
    let { envVersion } = v.miniProgram;
    if (appVersion != envVersion) {
      wx.clearStorage({
        success: (res) => {
          wx.setStorageSync("appVersion", envVersion);
          wx.redirectTo({
            url: "/pages/index/index",
          });
        },
      });
    }
    wxSetSessionKey();
  },
});