Oauth 2.0 OAuth2ClientAuthenticationProcessingFilter获取令牌

如何从后端java服务器获取令牌

我有一个oauth服务器身份验证，我可以使用Spring安全层成功登录。我通过http get请求在web浏览器客户端中获取toke

如何使用OAuth2ClientAuthenticationProcessingFilter类在后端部分获取令牌

/**
     * Called after executed Configuration "addFilterBefore"
     *
     * @return OAuth2ClientAuthenticationProcessingFilter
     */
    private OAuth2ClientAuthenticationProcessingFilter oauthFilter() {
        OAuth2ClientAuthenticationProcessingFilter oauthFilter = new OAuth2ClientAuthenticationProcessingFilter("/login");

        // OAuth2RestTemplate > Spring Boot does not automatically create such a bean,
        OAuth2RestTemplate oauthTemplate = new OAuth2RestTemplate(oauth(), oauth2ClientContext);
        UserInfoTokenServices tokenServices = new UserInfoTokenServices(oauthResource().getUserInfoUri(), oauth().getClientId());
        tokenServices.setRestTemplate(oauthTemplate);

        oauthFilter.setRestTemplate(oauthTemplate);
        oauthFilter.setTokenServices(tokenServices);

        return oauthFilter;
    }

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我找到了一个方法。。。oauthApplication.getOauth2ClientContext（）.getAccessToken（）