<!-- Knife4j Spring Boot：在線API -->
<dependency>
    <groupId>com.github.xiaoymin</groupId>
    <artifactId>knife4j-spring-boot-starter</artifactId>
    <version>2.0.9</version>
</dependency>

import com.github.xiaoymin.knife4j.spring.extension.OpenApiExtensionResolver;
import lombok.extern.slf4j.Slf4j;
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.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.EnableSwagger2WebMvc;
/**
 * Knife4j配置類
 *
 * @author java@tedu.cn
 * @version 0.0.1
 */
@Slf4j
@Configuration
@EnableSwagger2WebMvc
public class Knife4jConfiguration {
    /**
     * 【重要】指定Controller包路徑
     */
    private String basePackage = "cn.tedu.csmall.product.controller";
    /**
     * 分組名稱
     */
    private String groupName = "product";
    /**
     * 主機(jī)名
     */
    private String host = "http://java.tedu.cn";
    /**
     * 標(biāo)題
     */
    private String title = "商城在線API文檔--商品管理";
    /**
     * 簡介
     */
    private String description = "商城在線API文檔--商品管理";
    /**
     * 服務(wù)條款URL
     */
    private String termsOfServiceUrl = "http://www.apache.org/licenses/LICENSE-2.0";
    /**
     * 聯(lián)系人
     */
    private String contactName = "Java教學(xué)研發(fā)部";
    /**
     * 聯(lián)系網(wǎng)址
     */
    private String contactUrl = "http://java.tedu.cn";
    /**
     * 聯(lián)系郵箱
     */
    private String contactEmail = "java@tedu.cn";
    /**
     * 版本號
     */
    private String version = "1.0.0";
    @Autowired
    private OpenApiExtensionResolver openApiExtensionResolver;
    public Knife4jConfiguration() {
        log.debug("創(chuàng)建配置類對象：Knife4jConfiguration");
    }
    @Bean
    public Docket docket() {
        String groupName = "1.0.0";
        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .host(host)
                .apiInfo(apiInfo())
                .groupName(groupName)
                .select()
                .apis(RequestHandlerSelectors.basePackage(basePackage))
                .paths(PathSelectors.any())
                .build()
                .extensions(openApiExtensionResolver.buildExtensions(groupName));
        return docket;
    }
    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title(title)
                .description(description)
                .termsOfServiceUrl(termsOfServiceUrl)
                .contact(new Contact(contactName, contactUrl, contactEmail))
                .version(version)
                .build();
    }
}

@ApiOperation("刪除類別")
@ApiOperationSupport(order = 200)
@ApiImplicitParams({
    @ApiImplicitParam(name = "id", value = "類別ID", required = true, dataType = "long"),
    @ApiImplicitParam(name = "userId", value = "用戶ID", required = true, dataType = "long")
})
@PostMapping("/delete")
public void delete(Long userId, Long id) {}