SpringBoot整合Swagger框架

  <!-- https://mvnrepository.com/artifact/io.springfox/springfox-swagger2 -->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.9.2</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/io.springfox/springfox-swagger-ui -->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>2.9.2</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.10</version>
            <scope>provided</scope>
        </dependency>

package com.example.demo.config;


import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.core.env.Profiles;
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;

import java.util.ArrayList;

/**
 * @author yvioo。
 */
@Configuration
@EnableSwagger2  //开启Swagger2
public class SwaggerConfig {


    /**
     * 配置Swagger的Docket的bean实例
     * @return
     */
    @Bean
    public Docket docket(Environment environment) {

        //设置只在开发中环境中启动swagger
        Profiles profiles=Profiles.of("dev");

        //表示如果现在是dev环境，则返回true 开启swagger
        boolean flag=environment.acceptsProfiles(profiles);



        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                //是否启动swagger 默认启动
                .enable(flag)
                //所在分组
                .groupName("yvioo")
                .select()
                //指定扫描的包路径
                .apis(RequestHandlerSelectors.basePackage("com.example.demo.controller"))
                //指定扫描的请求，这里表示扫描 /hello/ 的请求
                //.paths(PathSelectors.ant("/hello/**"))
                .build();
    }


    /**
     * 配置ApiInfo信息
     * @return
     */
    private ApiInfo apiInfo() {

        //作者信息
        Contact author = new Contact("yvioo", "https://www.cnblogs.com/pxblog/", "111@qq.com");


        return new ApiInfo(
                "Swagger测试",
                "Swagger描述",
                "1.0",
                "urn:tos",
                author,
                "Apache 2.0",
                "http://www.apache.org/licenses/LICENSE-2.0",
                new ArrayList()
        );

    }
}

package com.example.demo.entity;


import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;

@ApiModel("用户实体类 User")  //增加实体类接口注释
@Data   //使用Lombok插件自动生成get set方法，这样才能在swagger中显示属性值
public class User {

    @ApiModelProperty("用户ID")  //增加字段接口注释
    private Integer id;


    @ApiModelProperty("用户名")
    private String username;

}

package com.example.demo.controller;


import com.example.demo.entity.User;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class SwaggerController {


    @GetMapping("/hello")
    public String hello(){
        return "hello";
    }


    /**
     * 接口返回值含有实体类，就会被swagger扫描
     *
     * @return
     */
    @ApiOperation("查询用户方法注释")
    @GetMapping(value = "/get/{id}")
    public User get(@ApiParam("请求参数注释") @PathVariable(value = "id")Integer id){
        return new User();
    }
}