<dependency>
  <groupId>io.springfox</groupId>
  <artifactId>springfox-swagger2</artifactId>
  <version>2.9.2</version>
</dependency>
<!-- swagger-ui -->
<dependency>
  <groupId>io.springfox</groupId>
  <artifactId>springfox-swagger-ui</artifactId>
  <version>${swagger.version}</version>
</dependency>

@Configuration
@EnableSwagger2
public class SwaggerConfig {
  /**
   * 創(chuàng)建一個Docket對象
   * 調(diào)用select()方法，
   * 生成ApiSelectorBuilder對象實例，該對象負(fù)責(zé)定義外漏的API入口
   * 通過使用RequestHandlerSelectors和PathSelectors來提供Predicate，在此我們使用any()方法，將所有API都通過Swagger進(jìn)行文檔管理
   * @return
   */
  @Bean
  public Docket createRestApi() {
    return new Docket(DocumentationType.SWAGGER_2)
        .apiInfo(apiInfo())
        .select()
        .apis(RequestHandlerSelectors.any())
        .paths(PathSelectors.any())
        .build();
  }

  private ApiInfo apiInfo() {
    return new ApiInfoBuilder()
        //標(biāo)題
        .title("Spring Boot中使用Swagger2構(gòu)建RESTful APIs")
        //簡介
        .description("")
        //服務(wù)條款
        .termsOfServiceUrl("")
        //作者個人信息
        .contact(new Contact("chenguoyu","","chenguoyu_sir@163.com"))
        //版本
        .version("1.0")
        .build();
  }
}

@Configuration
public class WebMvcConfig implements WebMvcConfigurer {
  @Override
  public void addResourceHandlers(ResourceHandlerRegistry registry) {
    // 解決 swagger-ui.html 404報錯
    registry.addResourceHandler("/swagger-ui.html").addResourceLocations("classpath:/META-INF/resources/");
  }
}

<dependency>
  <groupId>com.github.xiaoymin</groupId>
  <artifactId>swagger-bootstrap-ui</artifactId>
  <version>1.9.3</version>
</dependency>

@Configuration
public class WebMvcConfig implements WebMvcConfigurer {
  @Override
  public void addResourceHandlers(ResourceHandlerRegistry registry) {
    // 解決 swagger-ui.html 404報錯
    registry.addResourceHandler("/swagger-ui.html").addResourceLocations("classpath:/META-INF/resources/");
    // 解決 doc.html 404 報錯
    registry.addResourceHandler("/doc.html").addResourceLocations("classpath:/META-INF/resources/");

  }
}