首先新建一个springboot项目
pom中默认依赖如下(lombok,junit-jupiter是新建项目后加入的):
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns=".0.0" xmlns:xsi=""xsi:schemaLocation=".0.0 .0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.0.5.RELEASE</version><relativePath/> <!-- lookup parent from repository --></parent><groupId&le</groupId><artifactId>demo</artifactId><version>0.0.1-SNAPSHOT</version><name>demo</name><description>Demo project for Spring Boot</description><properties><java.version>1.8</java.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><optional>true</optional></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>org.junit.jupiter</groupId><artifactId>junit-jupiter</artifactId><version>RELEASE</version><scope>test</scope></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>
pom中新增swagger依赖如下:
<dependency><groupId>io.springfox</groupId><artifactId>springfox-boot-starter</artifactId><version>3.0.0</version></dependency>
同时在application中增加注解EnableOpenApi
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import springfox.documentation.oas.annotations.EnableOpenApi;@SpringBootApplication
@EnableOpenApi
public class DemoApplication {public static void main(String[] args) {SpringApplication.run(DemoApplication.class, args);}}
运行项目出现如下问题:
1. 一开始一直以为是导入的依赖有问题,是不是swagger3的依赖还有其他方式,查了很多,导入依赖的包都一样,后来研究报错,发现可能是其他依赖包发生相互冲突了
2. 解决方式,修改pom中的依赖如下(排除掉swagger中的spring-plugin-core组件,重新导入该组件,版本和parent中的版本保持一个版本即可)
<!-- swagger --><dependency><groupId>io.springfox</groupId><artifactId>springfox-boot-starter</artifactId><exclusions><exclusion><groupId>org.springframework.plugin</groupId><artifactId>spring-plugin-core</artifactId></exclusion></exclusions><version>3.0.0</version></dependency><dependency><groupId>org.springframework.plugin</groupId><artifactId>spring-plugin-core</artifactId><version>2.0.0.RELEASE</version></dependency>
1. 将DemoApplication中EnableOpenApi去掉,写到swagger的配置文件中如上图的config包中SwaggerConfig中
2. 写一个测试例子,重新运行项目
@EnableOpenApi
@Configuration
public class SwaggerConfig {@Beanpublic Docket createRestApi() {//swagger设置,基本信息,要解析的接口及路径等return new Docket(DocumentationType.OAS_30).apiInfo(apiInfo()).select()//设置通过什么方式定位需要自动生成文档的接口,这里定位方法上的@ApiOperation注解.apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class))//接口URI路径设置,any是全路径,也可以通过()正则匹配.paths(PathSelectors.any()).build();}//生成接口信息,包括标题、联系人,联系方式等private ApiInfo apiInfo() {return new ApiInfoBuilder().title("Swagger3接口文档").description("自己的项目描述,自定义").contact(new Contact("联系人", "访问地址", "邮箱")).version("1.0").build();}
}
2 . UserPo 代码(在实体中引入swagger中的api ApiModel和ApiModelProperty)
@ApiModel("用户信息")
public class UserPo implements Serializable {@ApiModelProperty("id")private Long id;@ApiModelProperty("用户名")private String username;public Long getId() {return id;}public void setId(Long id) {this.id = id;}public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}
}
@Api(tags = "操作接口")
@RestController
@RequestMapping("hs")
public class SwaggerController {@PostMapping("/getUser")@ApiOperation("获取用户信息")public UserPo getUser(UserPo po){return po;}
}
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