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

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

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