直播app开发，个人主页在昵称后面自动显示用户id

直播app开发，个人主页在昵称后面自动显示用户id实现的相关代码

 
@Target(ElementType.PARAMETER)
@Retention(RetentionPolicy.RUNTIME)
public @interface LoginUserId {
 
}
@Component
public class LoginUserHandlerMethodArgumentResolver implements HandlerMethodArgumentResolver {
 
    @Autowired
    private CommUserUtil commUserUtil;
 
    @Override
    public boolean supportsParameter(MethodParameter parameter) {
        return parameter.getParameterType().isAssignableFrom(Long.class) && parameter.hasParameterAnnotation(LoginUserId.class);
    }
 
    @Override
    public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer container,
                                  NativeWebRequest request, WebDataBinderFactory factory) {
 
        // 通过token获取用户
        TSacUser sacCurrentUser = commUserUtil.getSacCurrentUser();
        if (sacCurrentUser == null) {
            return null;
        }
        return sacCurrentUser.getId();
    }
}
@Configuration
public class LoginUserConfigurer implements WebMvcConfigurer {
    @Autowired
    private LoginUserHandlerMethodArgumentResolver loginUserHandlerMethodArgumentResolver;
 
    @Override
    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
        argumentResolvers.add(loginUserHandlerMethodArgumentResolver);
    }
}

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