https://developers.weixin.qq.com/doc/oplatform/Website_App/WeChat_Login/Wechat_Login.html
网站应用
var obj = new WxLogin({
self_redirect: true,
id: "login_container",
appid: process.env.VUE_APP_WEIXIN_APP_ID,
scope: "snsapi_login",
redirect_uri: 'uc.huixue-bao.com',
state: "",
style: "",
href: ""
});