swagger-ui多个包路径扫描匹配（多注解匹配）的改造支持

多个包扫描路劲匹配

package com.gponline.crm.web.config;

import com.google.common.base.Predicates;
import com.gponline.crm.web.utils.ConfigUtils;
import org.springframework.beans.factory.annotation.Autowired;
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.service.ApiInfo;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.builders.RequestHandlerSelectors;



/**
 * swagger配置
 * Created by stav on 2020/5/13.
 */
@Configuration
@EnableSwagger2
public class Swagger2Config {


    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                .select()
                .apis(Predicates.or(RequestHandlerSelectors.basePackage("com.web.controller"),RequestHandlerSelectors.basePackage("com.api.controller")))
                .paths(PathSelectors.any())
                .build()
                .apiInfo(apiInfo());
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("gponline crm接口文档")
                .description("接口文档")
                .version("1.0")
                .build();
    }
}

动态写法：

@Bean
public Docket createRestApi() {
    return new Docket(DocumentationType.SWAGGER_2).apiInfo(apiInfo()).select()
        .apis(resolve("com.xx,com.xx")).paths(PathSelectors.any()).build();
}

/**
 * Predicate that matches RequestHandler with given base package name for the class of the handler method.
 * This predicate includes all request handlers matching the provided basePackage
 *
 * @param basePackage - base package of the classes
 * @return this
 */
public static Predicate<RequestHandler> resolve(final String basePackage) {
    return new Predicate<RequestHandler>() {
        
        @Override
        public boolean apply(RequestHandler input) {
            return declaringClass(input).transform(handlerPackage(basePackage)).or(true);
        }
    };
}

/**
 * 处理包路径配置规则,支持多路径扫描匹配以逗号隔开
 * 
 * @param basePackage 扫描包路径
 * @return Function
 */
private static Function<Class<?>, Boolean> handlerPackage(final String basePackage) {
    return new Function<Class<?>, Boolean>() {
        
        @Override
        public Boolean apply(Class<?> input) {
            for (String strPackage : basePackage.split(",")) {
                boolean isMatch = input.getPackage().getName().startsWith(strPackage);
                if (isMatch) {
                    return true;
                }
            }
            return false;
        }
    };
}

/**
 * @param input RequestHandler
 * @return Optional
 */
private static Optional<? extends Class<?>> declaringClass(RequestHandler input) {
    return Optional.fromNullable(input.declaringClass());
}


@Bean
public ApiInfo apiInfo() {
    return new ApiInfoBuilder().title(title)
        .description("更多Swagger2配置相关文章请关注：https://springfox.github.io/springfox/docs/current/")
        .termsOfServiceUrl("https://springfox.github.io/springfox/docs/current/").version("1.0").build();
}

注解写法：

 .apis(Predicates.or(RequestHandlerSelectors.withClassAnnotation(RestController.class),RequestHandlerSelectors.withClassAnnotation(Controller.class)))