微信实现授权登录的二维码

mounted() {
        history.pushState(null, null, document.URL);
        window.addEventListener("popstate", function() {
            history.pushState(null, null, document.URL);
        });
        let server = " ";//服务器的地址
        let local = "http://localhost:8080";
        let using = server;
        var obj = new WxLogin({
            self_redirect: false,
            id: "login_container",
            appid: " ",
            scope: "snsapi_login",
            redirect_uri: encodeURI(using),
            state: "123",
            style: "black"
        })；
    },