@Configuration
@EnableSwagger2
public class SwaggerConfig {

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

        ApiInfoBuilder builder = new ApiInfoBuilder();
        builder.title("Emos線上辦公系統");
        ApiInfo info = builder.build();
        docket.apiInfo(info);

        ApiSelectorBuilder selectorBuilder = docket.select();
        //設定所有包類路徑下的所有類
        selectorBuilder.paths(PathSelectors.any());
        //類上有特定註解才加入swagger
        selectorBuilder.apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class));
        docket = selectorBuilder.build();

        //swagger新增jwt支援
        //1)請求頭引數token，2）請求頭引數token的描述資訊，3）請求頭
        ApiKey apiKey = new ApiKey("token", "token", "header");
        List<ApiKey> apiKeyList = new ArrayList<>();
        apiKeyList.add(apiKey);
        docket.securitySchemes(apiKeyList);

        //令牌的作用域
        AuthorizationScope scope = new AuthorizationScope("global", "accessEverything");
        AuthorizationScope[] scopes = {scope};
        SecurityReference reference = new SecurityReference("token", scopes);
        List refList = new ArrayList();
        refList.add(reference);
        SecurityContext context = SecurityContext.builder().securityReferences(refList).build();
        List ctxList = new ArrayList();
        ctxList.add(context);
        docket.securityContexts(ctxList);

        return docket;
    }
}