springboot配置swagger3-springfox实现

概述

springfox之前配置需要声明多个依赖，到了3直接声明一个starter就行了.

springboot版本2.7.7
springfox-boot-starter版本3.0.0

配置

声明依赖

<dependency>
    <groupId>io.springfoxgroupId>
    <artifactId>springfox-boot-starterartifactId>
    <version>3.0.0version>
dependency>

声明yml配置

spring:
  mvc:
    pathmatch:
      matching-strategy: ant_path_matcher

# 自定义的Swagger配置
swagger:
  # 是否开启swagger
  enabled: true
  enableSecurity: true
  info:
    # 标题
    title: '标题'
    # 描述
    description: '描述：用于XXX'
    # 版本
    version: '版本号: 1.0'
    # 作者信息
    contact:
      name: 404

bean配置

package com.xxx.xxx.config;

import com.xxx.xxx.properties.SwaggerProperties;
import io.swagger.models.auth.In;
import lombok.RequiredArgsConstructor;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;

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

/**
 * Swagger 文档配置
 *
 *
 */
@RequiredArgsConstructor
@EnableConfigurationProperties(SwaggerProperties.class)
@ConditionalOnProperty(name = "swagger.enabled", havingValue = "true", matchIfMissing = true)
public class SwaggerConfig {

    private final SwaggerProperties swaggerProperties;

    @Bean
    public Docket docket() {

        Docket docket = new Docket(DocumentationType.OAS_30)
                // 是否启用Swagger
                .enable(swaggerProperties.getEnabled())
                // 用来创建该API的基本信息，展示在文档的页面中（自定义展示的信息）
                .apiInfo(apiInfo())
                // 设置哪些接口暴露给Swagger展示
                .select()
                // 扫描所有有注解的api，用这种方式更灵活
                //.apis(RequestHandlerSelectors.withClassAnnotation(Api.class))
                // 扫描指定包中的swagger注解
                //.apis(RequestHandlerSelectors.basePackage("com.qps"))
                // 扫描所有
                .apis(RequestHandlerSelectors.any())
                // 扫描所有 .apis(RequestHandlerSelectors.any())
                .paths(PathSelectors.any())
                .build();
        if (swaggerProperties.getEnableSecurity()) {
            docket.securitySchemes(securitySchemes()).securityContexts(securityContexts());
        }

        return docket;
    }

    public ApiInfo apiInfo() {
        // 用ApiInfoBuilder进行定制
        return new ApiInfoBuilder()
                // 设置标题
                .title(swaggerProperties.getInfo().getTitle())
                // 描述
                .description(swaggerProperties.getInfo().getDescription())
                // 作者信息
                .contact(swaggerProperties.getInfo().getContact())
                // 版本
                .version(swaggerProperties.getInfo().getVersion())
                .build();
    }

    /**
     * 安全模式，这里指定token通过Authorization头请求头传递
     */
    private List<SecurityScheme> securitySchemes() {
        List<SecurityScheme> apiKeyList = new ArrayList<SecurityScheme>();
        apiKeyList.add(new ApiKey("Authorization", "Authorization", In.HEADER.toValue()));
        return apiKeyList;
    }

    /**
     * 安全上下文
     */
    private List<SecurityContext> securityContexts() {
        List<SecurityContext> securityContexts = new ArrayList<>();
        securityContexts.add(
                SecurityContext.builder()
                        .securityReferences(defaultAuth())
                        .operationSelector(
                                o -> o.requestMappingPattern().matches("/.*"))
                        .build());
        return securityContexts;
    }

    /**
     * 默认的安全上引用
     */
    private List<SecurityReference> defaultAuth() {
        AuthorizationScope authorizationScope = new AuthorizationScope("global", "accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        List<SecurityReference> securityReferences = new ArrayList<>();
        securityReferences.add(new SecurityReference("Authorization", authorizationScopes));
        return securityReferences;
    }

}













package com.xxxx.xxx.xxx;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class SwaggerResourcesConfig implements WebMvcConfigurer {

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

}




package com.xxx.xxx.xxx;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.stereotype.Component;
import org.springframework.util.ReflectionUtils;
import org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping;
import springfox.documentation.spring.web.plugins.WebFluxRequestHandlerProvider;
import springfox.documentation.spring.web.plugins.WebMvcRequestHandlerProvider;

import java.lang.reflect.Field;
import java.util.List;
import java.util.stream.Collectors;

/**
 * swagger 在 springboot 2.6.x 不兼容问题的处理
 *
 */
@Component
public class SwaggerBeanPostProcessor implements BeanPostProcessor {
    @Override
    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
        if (bean instanceof WebMvcRequestHandlerProvider || bean instanceof WebFluxRequestHandlerProvider) {
            customizeSpringfoxHandlerMappings(getHandlerMappings(bean));
        }
        return bean;
    }

    private <T extends RequestMappingInfoHandlerMapping> void customizeSpringfoxHandlerMappings(List<T> mappings) {
        List<T> copy = mappings.stream().filter(mapping -> mapping.getPatternParser() == null)
                .collect(Collectors.toList());
        mappings.clear();
        mappings.addAll(copy);
    }

    @SuppressWarnings("unchecked")
    private List<RequestMappingInfoHandlerMapping> getHandlerMappings(Object bean) {
        try {
            Field field = ReflectionUtils.findField(bean.getClass(), "handlerMappings");
            field.setAccessible(true);
            return (List<RequestMappingInfoHandlerMapping>) field.get(bean);
        } catch (IllegalArgumentException | IllegalAccessException e) {
            throw new IllegalStateException(e);
        }
    }
}