export function getWeChatAuthCode() {
    return new Promise((resolve, reject) => {
        uni.login({
            provider: 'weixin',
            success: (res) => {
                if (res.code) {
                    resolve(res.code);
                } else {
                    reject(new Error('未获取到微信授权code'));
                }
            },
            fail: (err) => {
                reject(err);
            }
        });
    });
}