通過自定義 @CurrentUser 獲取當前登錄用戶
阿新 • • 發佈:2018-10-14
info req nat pub nbsp art att bool inter
@CurrentUser
要用這個註釋,總共分為三步
1:第一
@Target(ElementType.PARAMETER)
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface CurrentUser {
}
2:第二:配置參數解析器
public class CurrentUserMethodArgumentResolver implements HandlerMethodArgumentResolver {
@Override
public boolean supportsParameter(MethodParameter parameter) {
return parameter.getParameterType().isAssignableFrom(UserInfo.class)
&& parameter.hasParameterAnnotation(CurrentUser.class);
}
@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
UserInfo userInfo = (UserInfo) webRequest.getAttribute("currentUser", RequestAttributes.SCOPE_REQUEST);
if (userInfo != null) {
return userInfo;
}
throw new MissingServletRequestPartException("currentUser");
}
}
3:第三:配置參數解析器
@Override
public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
argumentResolvers.add(currentUserMethodArgumentResolver());
super.addArgumentResolvers(argumentResolvers);
}
@Bean
public CurrentUserMethodArgumentResolver currentUserMethodArgumentResolver() {
return new CurrentUserMethodArgumentResolver();
}
以上配置可以copy。。。
通過自定義 @CurrentUser 獲取當前登錄用戶