SpringBoot整合knife4j

1. 导包

SpringBoot版本：2.3.7.RELEASE

		<dependency>
            <groupId>com.github.xiaoymin</groupId>
            <artifactId>knife4j-spring-boot-starter</artifactId>
            <version>3.0.3</version>
        </dependency>

2. 配置

import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import springfox.bean.validators.configuration.BeanValidatorPluginsConfiguration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.ParameterBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.schema.ModelRef;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

@Configuration
@EnableSwagger2
@EnableKnife4j
@Import(BeanValidatorPluginsConfiguration.class)
public class Swagger2Config implements WebMvcConfigurer {

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

   
    @Bean(value = "defaultApi2")
    public Docket defaultApi2() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                //此包路径下的类，才生成接口文档
                .apis(RequestHandlerSelectors.basePackage("com.hebcph"))
                //加了ApiOperation注解的类，才生成接口文档
                .apis(RequestHandlerSelectors.withClassAnnotation(Api.class))
                .apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class))
                .paths(PathSelectors.any())
                .build()
                .securitySchemes(Collections.singletonList(securityScheme()))
                .securityContexts(securityContexts());
                //.globalOperationParameters(setHeaderToken());
    }

    
    @Bean
    SecurityScheme securityScheme() {
        return new ApiKey("X-ACCESS-TOKEN", "X-ACCESS-TOKEN", "header");
    }
   
    private List<Parameter> setHeaderToken() {
        ParameterBuilder tokenPar = new ParameterBuilder();
        List<Parameter> pars = new ArrayList<>();
        tokenPar.name("X-ACCESS-TOKEN").description("token").modelRef(new ModelRef("string")).parameterType("header").required(false).build();
        pars.add(tokenPar.build());
        return pars;
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                // //大标题
                .title("后台服务API接口文档")
                // 版本号
                .version("1.0")
//				.termsOfServiceUrl("NO terms of service")
                // 描述
                .description("后台API接口")
                .license("The Apache License, Version 2.0")
                .licenseUrl("http://www.apache.org/licenses/LICENSE-2.0.html")
                .build();
    }

    private List<SecurityContext> securityContexts() {
        return new ArrayList(
                Collections.singleton(SecurityContext.builder()
                        .securityReferences(defaultAuth())
                        .forPaths(PathSelectors.regex("^(?!auth).*$"))
                        .build())
        );
    }

    private List<SecurityReference> defaultAuth() {
        AuthorizationScope authorizationScope = new AuthorizationScope("global", "accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        return new ArrayList(
                Collections.singleton(new SecurityReference("X-ACCESS-TOKEN", authorizationScopes)));
    }
}

3. 启动

http://localhost:8080/doc.html