二十八、SpringBoot访问doc.html页面404



二十八、SpringBoot访问doc.html页面404

默认情况下并不需要添加此配置即可访问

很多朋友在使用SpringBoot集成swagger-bootstrap-ui后,都无法访问doc.html界面,此时,你可能需要实现SpringBoot的WebMvcConfigurer接口,添加相关的ResourceHandler,代码如下:

@SpringBootApplication
public class SwaggerBootstrapUiDemoApplication  implements WebMvcConfigurer{

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("doc.html").addResourceLocations("classpath*:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath*:/META-INF/resources/webjars/");
    }
}

或者

@SpringBootApplication
public class SwaggerBootstrapUiDemoApplication  implements WebMvcConfigurer{

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
    }
}

如果你是使用的老的版本SpringBoot,通过继承WebMvcConfigurationSupport来扩展SpringBoot相关的配置,则把以上配置加在相应的addResourceHandlers方法中即可

推荐使用实现WebMvcConfigurer接口的方式来进行扩展

如果以上方式还是不行,建议开启Spring的Debug日志来进行跟踪,一般访问doc.html页面会出现如下日志(成功情况下):

2022-6-14 22:40:46,896 DEBUG (AbstractHandlerMethodMapping.java:312)- Looking up handler method for path /doc.html
2022-6-14 22:40:46,902 DEBUG (AbstractHandlerMethodMapping.java:322)- Did not find handler method for [/doc.html]
2022-6-14 22:40:46,921 DEBUG (AbstractUrlHandlerMapping.java:199)- Matching patterns for request [/doc.html] are [/**]
2022-6-14 22:40:46,922 DEBUG (AbstractUrlHandlerMapping.java:233)- URI Template variables for request [/doc.html] are {}
2022-6-14 22:40:46,923 DEBUG (AbstractUrlHandlerMapping.java:146)- Mapping [/doc.html] to HandlerExecutionChain with handler [ResourceHttpRequestHandler [locations=[class path resource [META-INF/resources/], class path resource [resources/], class path resource [static/], class path resource [public/], ServletContext resource [/]], resolvers=[org.springframework.web.servlet.resource.PathResourceResolver@da32f3]]] and 1 interceptor
2022-6-14 22:40:46,957 DEBUG (RequestContextFilter.java:104)- Cleared thread-bound request context: org.apache.catalina.connector.RequestFacade@28759ea7
2022-6-14 22:40:46,649 DEBUG (RequestContextFilter.java:114)- Bound request context to thread: org.apache.catalina.connector.RequestFacade@28759ea7

同理,在使用SpringMvc或者shiro等权限框架时,如果页面无法访问,配置doc.html属性即可

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