GetToken(){
        data.username = document.getElementById('usernameInput').value;
        data.password = document.getElementById('passwordInput').value;

        console.log(data.username);
        console.log(data.password);
        //const uri = `oauth/token?grant_type=password&username=${data.username}&password=${data.password}`;
        const uri = `oauth/token?grant_type=password&username=${data.username}&password=${data.password}`;
        console.log(uri);
        fetch(uri, {
            headers: {
                'Host' : 'localhost:8090',
                'Content-Type': 'application/x-www-form-urlencoded',
                'authorization' : "Basic " + base64.encode("my-trusted-client:secret")
            },
            method : 'POST'
        }).then((response) => {
            return response.json()})
            .then((json) => {
                Cookies.set('access_token', json.access_token, {expires: 7});
            })
            .then (() => this.GetRole());
        //console.log(sessionStorage.getItem('webtoken'))
        console.log(Cookies.get('access_token'));
    }