App({ globalData: {}, onLaunch() {}, getWxLoginCode(): Promise { return new Promise((resolve, reject) => { wx.login({ success: (res) => { if (res.code) { resolve(res.code) } else { reject(new Error('获取登录凭证失败')) } }, fail: (err) => { reject(new Error(err.errMsg || '获取登录凭证失败')) }, }) }) }, })