一、引入swagger依赖包：

    <!-- ######################## swagger2 (此三项依赖必须同时引入) start ########################## -->
    <!-- swagger2 依赖 -->
    <dependency>
      <groupId>io.springfox</groupId>
      <artifactId>springfox-swagger2</artifactId>
      <version>2.9.2</version>
    </dependency>
    <!-- swagger ui 依赖 -->
    <dependency>
      <groupId>io.springfox</groupId>
      <artifactId>springfox-swagger-ui</artifactId>
      <version>2.9.2</version>
    </dependency>
    <!-- swagger bootstrap ui 依赖 -->
    <dependency>
      <groupId>com.github.xiaoymin</groupId>
      <artifactId>swagger-bootstrap-ui</artifactId>
      <version>1.9.6</version>
    </dependency>
    <!-- ######################## swagger2 (此三项依赖必须同时引入) end ########################## -->

二、编写swagger配置类：

package com.hkl.configure;

import io.swagger.annotations.Api;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.ParameterBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.schema.ModelRef;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Parameter;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger.web.UiConfiguration;
import springfox.documentation.swagger.web.UiConfigurationBuilder;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;
import java.util.List;

/**
 * <p>ClassName：SwaggerConfigure</p >
 * <p>Description：Swagger2配置类</p >
 * <p>Author：</p >
 * <p>Date：2021-9-20</p >
 */
@Configuration
@EnableSwagger2
public class SwaggerConfigure {

    @Bean
    public Docket createRestApi() {
        //添加全局参数，如不需要可以取消
        ParameterBuilder tokenPar = new ParameterBuilder();
        tokenPar.name("Authorization").description("认证token").modelRef(new ModelRef("string")).parameterType("header").required(false).defaultValue("Bearer ").build();
        List<Parameter> globalParams = new ArrayList<Parameter>();
        globalParams.add(tokenPar.build());

        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())     //构建api文档详细信息
                .select()
                //扫描包路径
                //.apis(RequestHandlerSelectors.basePackage("com.siwei.insurance.productManage"))
                .apis(RequestHandlerSelectors.withClassAnnotation(Api.class))   //扫描包含@Api注解的类
                .paths(PathSelectors.any())     			//对所有路径进行监控
                .build()
                .globalOperationParameters(globalParams);   //设置swagger接口全局参数
    }

    //构建 api文档的详细信息
    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                //页面标题
                .title("demo")
                //描述
                .description("接口文档")
                //创建人
                //.contact(new Contact("LinXiuNan", "", ""))
                //版本号
                .version("1.0")
                .build();
    }

    //隐藏ui上的models信息
    @Bean
    public UiConfiguration uiConfiguration(){
        return UiConfigurationBuilder
                .builder()
                .defaultModelsExpandDepth(-1)   //-1隐藏，默认不隐藏
                .build();
    }

}

复制直接使用