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2022-7-23

springboot项目整合swagger2项目，在访问swagger-ui.html页面时候发生错误，如下：
no mapping for get /swagger-ui.html,异常汇总,ui,html,java
控制台报错为：No mapping for GET /emos-wx-api/swagger-ui.html

解决办法：让swagger的配置类SwaggerConfig继承WebMvcConfigurer接口并且实现其中addResourceHandlers方法，如下：

@Configuration
@EnableSwagger2
public class SwaggerConfig implements WebMvcConfigurer {
    
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {

        registry.addResourceHandler("/**").addResourceLocations(
                "classpath:/static/");
        registry.addResourceHandler("swagger-ui.html").addResourceLocations(
                "classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations(
                "classpath:/META-INF/resources/webjars/");
        WebMvcConfigurer.super.addResourceHandlers(registry);
    }

    @Bean
    public Docket createRestApi() {
        Docket docket = new Docket(DocumentationType.SWAGGER_2);

        //ApiInfoBuilder定义Swagger页面基本信息
        ApiInfoBuilder builder = new ApiInfoBuilder();
        builder.title("EMOS在线办公系统");
        ApiInfo info = builder.build();
        docket.apiInfo(info);

        //使用ApiSelectorBuilder将Web方法添加到swagger页面
        ApiSelectorBuilder selectorBuilder = docket.select();
        selectorBuilder.paths(PathSelectors.any());
        //加入对应类对应方法具体通过添加注解ApiOperation实现
        selectorBuilder.apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class));
        docket = selectorBuilder.build();

        //加入JWT到项目（令牌登录）  实现验证登录成功之后才能调用对应Web方法
        ApiKey apiKey = new ApiKey("token", "token", "header");
        //List<ApiKey>用户需要输入什么参数 请求提交的参数
        List<ApiKey> apiKeyList = new ArrayList<>();
        apiKeyList.add(apiKey);
        docket.securitySchemes(apiKeyList);

        //AuthorizationScope[] JWT认证在Swagger中的作用域
        AuthorizationScope scope = new AuthorizationScope("global", "accessEverything");
        AuthorizationScope[] scopes = {scope};
        //List<SecurityReference> 令牌的作用域
        SecurityReference reference = new SecurityReference("token", scopes);
        List refList = new ArrayList();
        refList.add(reference);
        //List<SecurityContext> 令牌上下文
        SecurityContext context = SecurityContext.builder().securityReferences(refList).build();
        List cxtList = new ArrayList();
        cxtList.add(context);
        docket.securityContexts(cxtList);

        return docket;
    }
}

再次访问http://localhost:8080/项目工程名/swagger-ui.html，会发现成功访问了
no mapping for get /swagger-ui.html,异常汇总,ui,html,java 文章来源地址https://www.toymoban.com/news/detail-602850.html