springboot集成swagger knife4j 最详细的步骤 手把手教你继承swagger

springboot集成swagger knife4j 最详细的步骤 手把手教你继承swagger

效果图

Knife4j介绍

Knife4j的前身是swagger-bootstrap-ui,前身swagger-bootstrap-ui是一个纯swagger-ui的ui皮肤项目

一开始项目初衷是为了写一个增强版本的swagger的前端ui,但是随着项目的发展,面对越来越多的个性化需求,不得不编写后端Java代码以满足新的需求,在swagger-bootstrap-ui的1.8.5~1.9.6版本之间,采用的是后端Java代码和Ui都混合在一个Jar包里面的方式提供给开发者使用.这种方式虽说对于集成swagger来说很方便,只需要引入jar包即可,但是在微服务架构下显得有些臃肿。

官网地址 https://doc.xiaominfo.com/

gitee地址 https://gitee.com/xiaoym/knife4j

1. pom依赖

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.3.5.RELEASE</version>
    <relativePath/> <!-- lookup parent from repository -->
</parent>


<dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>com.github.xiaoymin</groupId>
            <artifactId>knife4j-spring-boot-starter</artifactId>
            <version>2.0.7</version>
        </dependency>
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
            <version>18.0</version>
            <scope>compile</scope>
        </dependency>

2. 配置文件

import com.google.common.collect.Lists;
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.Parameter;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2WebMvc;

import java.util.List;

/**
 * @author woniu 
 */
@Configuration
@EnableSwagger2WebMvc
public class Knife4jConfiguration {
   
   

    @Bean(value = "defaultApi2")
    public Docket defaultApi2() {
   
   
        Docket docket=new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(new ApiInfoBuilder()
                        //.title("swagger-bootstrap-ui-demo RESTful APIs")
                        .description("# swagger-bootstrap-ui-demo RESTful APIs")
                        .termsOfServiceUrl("http://www.xx.com/")
                        .contact("xx@qq.com")
                        .version("1.0")
                        .build())
                //分组名称
                .groupName("2.X版本")
                .select()
                //这里指定Controller扫描包路径
                .apis(RequestHandlerSelectors.basePackage("com.example.swaggerdemo.controller"))
                .paths(PathSelectors.any())
                .build().globalOperationParameters(this.settoken());
        return docket;
    }

    private List<Parameter> settoken() {
   
   
        Parameter tokenParam = (new ParameterBuilder()).name("token").description("token 认证码").modelRef(new ModelRef("string")).parameterType("header").required(false).build();
        return Lists.newArrayList(new Parameter[]{
   
   tokenParam});
    }

}

3. controller文件

import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiOperation;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@Api(tags = "首页模块")
@RestController
public class IndexController {
   
   

    @ApiImplicitParam(name = "name",value = "姓名",required = true)
    @ApiOperation(value = "向客人问好")
    @GetMapping("/sayHi")
    public ResponseEntity<String> sayHi(@RequestParam(value = "name")String name){
   
   
        return ResponseEntity.ok("Hi:"+name);
    }
}

4. 运行结果