<dependency>
    <groupId>io.springfox</groupId>
    <artifactId>springfox-boot-starter</artifactId>
    <version>3.0.0</version>
</dependency>

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.oas.annotations.EnableOpenApi;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

/**
 * 說明：Swagger 接口API生成
 * 作者：wanghan
 */
@Configuration
@EnableOpenApi
public class Swagger3Config {

    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.OAS_30)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.wanghan.ctrl"))    // 為當前包路徑
                .paths(PathSelectors.any())
                .build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("Swagger3 RESTful API")    // 頁面標題
                .version("3.0")                                // 版本號
                .description("接口文檔")                    // 描述
                .build();
    }
}

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

/**
 * 說明：Swagger 攔截配置
 * 作者：wanghan
 */
@Configuration
public class WebMvcConfig implements WebMvcConfigurer {

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

    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        registry.addViewController("/swagger-ui/")
                .setViewName("forward:/swagger-ui/index.html");
    }
}

@Override
public void configure(WebSecurity web) throws Exception {
    //忽略swagger3所需要用到的靜態(tài)資源，允許訪問
    web.ignoring().antMatchers( "/swagger-ui.html",
            "/swagger-ui/**",
            "/swagger-resources/**",
            "/v2/api-docs",
            "/v3/api-docs",
            "/webjars/**");
}

@Bean
WebSecurityCustomizer swaggerWebSecurityCustomizer() {
    return (web) -> {
        web.ignoring().antMatchers(new String[]{"/swagger-ui.html", "/swagger-ui/**", "/swagger-resources/**", "/v2/api-docs", "/v3/api-docs", "/webjars/**"});
    };
}

@ControllerAdvice(basePackages = "com.wanghan")
public class ApiResBodyAdvice implements ResponseBodyAdvice {
}