import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Contact;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

@Configuration
@EnableSwagger2
public class Swagger2Configuration implements WebMvcConfigurer {
    //api接口包扫描路径
    public static final String SWAGGER_SCAN_BASE_PACKAGE = "com.example.demo.controller";

    public static final String VERSION = "1.0.0";

    /**
     * 访问静态资源
     */
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        /**
         * SpringBoot自动配置本身并不会把/swagger-ui.html
         * 这个路径映射到对应的目录META-INF/resources/下面
         * 采用WebMvcConfigurerAdapter将swagger的静态文件进行发布;
         */
        registry.addResourceHandler("swagger-ui.html")
                .addResourceLocations("classpath:/META-INF/resources/");

        registry.addResourceHandler("/webjars/**")
                .addResourceLocations("classpath:/META-INF/resources/webjars/");
        //将所有/static/** 访问都映射到classpath:/static/ 目录下
        registry.addResourceHandler("/static/**").addResourceLocations( "classpath:/static/");

    }
    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .groupName("Xuym")
                .enable(true)//一定要开启
                .select()
                .apis(RequestHandlerSelectors.basePackage(SWAGGER_SCAN_BASE_PACKAGE))
                .paths(PathSelectors.any()) // 可以根据url路径设置哪些请求加入文档，忽略哪些请求
                .build();
    }

    private ApiInfo apiInfo() {
        // 配置作者信息
        Contact contact = new Contact("诺言",
                "https://www.baidu.com",
                "*******@qq.com");
        return new ApiInfoBuilder()
                .title("自己的Springboot项目") //设置文档的标题
                .description("自己的Springboot项目，集成了Swagger2，属于一个小练习。") // 设置文档的描述
                .version(VERSION) // 设置文档的版本信息-> 1.0.0 Version information
                .termsOfServiceUrl("http://www.baidu.com") // 设置文档的详细信息->1.3 License可自定义，最好放置部署地址
                .build();
    }
}