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springboot怎么集成swagger3与knife4j

springboot Knife4j swagger3
353 2023-05-12

springboot怎么集成swagger3与knife4j

springboot集成swagger3

swagger3的springboot启动器jar包

<!-- https://mvnrepository.com/artifact/io.springfox/springfox-boot-starter -->

<dependency>

    <groupId>io.springfox</groupId>

    <artifactId>springfox-boot-starter</artifactId>

    <version>3.0.0</version>

</dependency>

注意:当前SpringBoot版本为2.5.6,Swagger3.0目前无法完全兼容SpringBoot2.6.x!

编写TestController代码

@RestController

@RequestMapping("test")

public class TestController {

    @GetMapping

    public Map<String, Object> get(@RequestParam String id) {

        Map<String, Object> r = new HashMap<>(1);

        r.put("id", id);

        return r;

    }



    @PostMapping

    public Map<String, Object> post() {

        Map<String, Object> r = new HashMap<>(1);

        r.put("code", 200);

        return r;

    }

    @PutMapping

    public Map<String, Object> put(String id) {

        Map<String, Object> r = new HashMap<>(1);

        r.put("id", id);

        return r;

    }



    @DeleteMapping

    public Map<String, Object> delete(String id) {

        Map<String, Object> r = new HashMap<>(1);

        r.put("id", id);

        return r;

    }

}

创建Swagger3Configuration

@Configuration

@EnableOpenApi

public class SwaggerConfig {

    private static final String VERSION = "0.0.1";

    @Bean

    public Docket createRestApi() {

        return new Docket(DocumentationType.OAS_30)

                .groupName("分组名称")

                .apiInfo(apiInfo())

                .select()

                //要扫描的包

                .apis(RequestHandlerSelectors.basePackage("com.example.swagger.controller"))

                .paths(PathSelectors.any())

                .build();

    }

    private ApiInfo apiInfo() {

        return new ApiInfoBuilder()

                // 设置标题

                .title("文档标题")

                //联系人

                .contact(contact())

                //描述

                .description("xxx文档")

                //服务

                .termsOfServiceUrl("https://spring.io/")

                //许可证

                .license("Apache 2.0")

                .licenseUrl("https://www.apache.org/licenses/LICENSE-2.0")

                .version(VERSION)

                .build();

    }

    private Contact contact (){

        return new Contact("SpringBoot", "https://spring.io/", "email");

    }

}

对接口进行注解

swagger中常用的注解
注解作用使用位置
@Api表示对类的说明常用参数
@ApiOperation说明方法的用途方法
@ApiImplicitParams里面可以包含多个@ApiImplicitParam方法
@ApiImplicitParam描述参数的用途方法
@ApiModel表示一个数据类的信息
@ApiModelProperty描述数据类的属性属性
@ApiIgnore忽略某个字段使之不显示在文档中属性
接口基本使用

1.新建一个用户实体类

@ApiModel("用户")

@Data

public class User {

    @ApiModelProperty("用户名")

    private String username;

    @ApiModelProperty("密码")

    private String password;

}

2.给TestController添加注解

@Api(tags = "测试接口")

@RestController

@RequestMapping("test")

public class TestController {

    @ApiOperation("get请求")

    @GetMapping

    @ApiImplicitParam(name = "id", value = "测试用id", dataTypeClass = String.class)

    public Map<String, Object> get(@RequestParam String id) {

        Map<String, Object> r = new HashMap<>(1);

        r.put("id", id);

        return r;

    }



    @ApiOperation("post请求")

    @PostMapping

    public Map<String, Object> post(@RequestBody User user) {

        Map<String, Object> r = new HashMap<>(1);

        r.put("code", 200);

        return r;

    }



    @ApiOperation("put请求")

    @PutMapping

    @ApiImplicitParam(name = "id", value = "put请求id", dataTypeClass = String.class)

    public Map<String, Object> put(String id) {

        Map<String, Object> r = new HashMap<>(1);

        r.put("id", id);

        return r;

    }



    @ApiOperation("delete请求")

    @DeleteMapping

    @ApiImplicitParam(name = "id", value = "delete请求id", dataTypeClass = String.class)

    public Map<String, Object> delete(String id) {

        Map<String, Object> r = new HashMap<>(1);

        r.put("id", id);

        return r;

    }

}
运行结果

集成更好的UI-knife4j

maven
<dependency>

   <groupId>com.github.xiaoymin</groupId>

   <artifactId>knife4j-micro-spring-boot-starter</artifactId>

   <version>3.0.3</version>

</dependency>
启动器

在SwaggerConfig类上添加**@EnableKnife4j**

@Configuration

@EnableOpenApi

@EnableKnife4j

public class SwaggerConfig