@Component
public class MyUserTokenGenerator implements UserTokenGenerator {
​
    private int timeout = 30 * 60 * 1000;
​
    @Override
    public String getSupportTokenType() {
       // 登录时,请求参数为 token_type = token 时,此配置生效
        return "token";
    }
​
    @Override
    public GeneratedToken generate(Authentication authentication) {
        String token = IDGenerator.MD5.generate();
​
        return new GeneratedToken() {
            @Override
            public Map<String, Object> getResponse() {
                //返回给前端的参数,前端拿到此参数后自行处理
                return Collections.singletonMap("token", token);
            }
​
            @Override
            public String getToken() {
                return token;
            }
​
            @Override
            public int getTimeout() {
                // token 超时时间,超过时间没有请求时,自动失效
                return timeout;
            }
        };
    }
}

@Component
public class MyUserTokenParser implements UserTokenParser {
    @Override
    public ParsedToken parseToken(HttpServletRequest request) {
        //获取参数中的token
        String token = request.getParameter("token");
​
        if(StringUtils.isEmpty(token))return null;
​
        return () -> token;
    }
}