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有两个java配置：

@EnableWebMvc
@Configuration
public class WebConfig implements WebMvcConfigurer {
    final LocaleChangeInterceptor localeInterceptor;
    final LocaleResolver localeResolver;

    public WebConfig(LocaleChangeInterceptor localeInterceptor ,  LocaleResolver localeResolver) {
        this.localeInterceptor = localeInterceptor;
        this.localeResolver = localeResolver;
    }
...
}

@Configuration
public class I18nConfig {
    @Bean
    @Primary
    public LocaleResolver localeResolver() {
        var slr = new SessionLocaleResolver();
        slr.setDefaultLocale(new Locale("en", "US"));
        return slr;
    }
}

问题是，如果我想让 i18n 工作，localeResolver必须在WebConfig.java . 但我不想把所有东西都放进去WebConfig.java 。所以我注入LocaleResolver，WebConfig.java 然后发生以下错误。

Description:

The dependencies of some of the beans in the application context form a cycle:

┌─────┐
|  webConfig defined in file [/home/xiaojie/IdeaProjects/SpringBootNote/web/mvc/build/classes/java/main/icu/kyakya/mvc/config/WebConfig.class]
↑     ↓
|  org.springframework.web.servlet.config.annotation.DelegatingWebMvcConfiguration
└─────┘
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