swagger with spring boot2

build.gradle

plugins {
    id 'org.springframework.boot' version '2.5.2'
    id 'io.spring.dependency-management' version '1.0.11.RELEASE'
    id 'java'
}

group = 'cn.gaein'
version = '1.0.2-SNAPSHOT'
sourceCompatibility = '17'

repositories {
    mavenCentral()
}

dependencies {
    implementation 'org.springframework.boot:spring-boot-starter-data-jpa:2.7.6'
    implementation 'org.springframework.boot:spring-boot-starter-data-rest:2.7.6'
    implementation 'org.springframework.boot:spring-boot-starter-mail:2.7.6'

    implementation 'io.springfox:springfox-boot-starter:3.0.0'
    implementation 'com.google.guava:guava:31.1-jre'

    runtimeOnly 'mysql:mysql-connector-java:8.0.30'
}

SwaggerConfig.java

package cn.gaein.java.course_evaluation.config;

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.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

@Configuration
@EnableSwagger2
public class SwaggerConfig {
    public static final String SWAGGER_SCAN_BASE_PACKAGE = "cn.gaein.java.course_evaluation.controller";
    public static final String VERSION = "v1.0.0";

    @Bean
    public Docket createSwagger() {
        return new Docket(DocumentationType.SWAGGER_2)
            .apiInfo(apiInfo())
            .select()
            .apis(RequestHandlerSelectors.basePackage(SWAGGER_SCAN_BASE_PACKAGE))
            .paths(PathSelectors.any())
            .build();
    }

    /**
     * 创建该API的基本信息（这些基本信息会展现在文档页面中）
     * 访问地址：<a href="http://ip:port/swagger-ui">swagger-ui</a>
     */
    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
            .title("Course Evaluation API reference")
            .description("<h3>本软件是自由软件 —— Free as in freedom</h3>\n"
                + "<a href='https://beian.miit.gov.cn/'>冀ICP备17015375-1号</a>\n"
                + "作者：<a href='https://gaein.cn'>Gaein nidb | gaein.cn</a>\n"
                + "另附：傻逼 Java 傻逼 SpringBoot 我草你妈，屎一样的库和乱七八糟的不兼容升级是不是脑子有病"
            )
            .license("GNU General Public License v3.0")
            .licenseUrl("https://www.gnu.org/licenses/gpl-3.0.en.html")
            .version(VERSION)
            .build();
    }
}