此 demo 主要演示了 Spring Boot 如何集成原生 swagger ，自动生成 API 文档。
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-boot-demo-swagger</artifactId>
<version>1.0.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>spring-boot-demo-swagger</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>com.xkcoding</groupId>
<artifactId>spring-boot-demo</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<swagger.version>2.9.2</swagger.version>
</properties>
<dependencies>
<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>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>${swagger.version}</version>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>${swagger.version}</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
</dependencies>
<build>
<finalName>spring-boot-demo-swagger</finalName>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>/**
* <p>
* Swagger2 配置
* </p>
*
* @package: com.xkcoding.swagger.config
* @description: Swagger2 配置
* @author: yangkai.shen
* @date: Created in 2018-11-29 11:14
* @copyright: Copyright (c) 2018
* @version: V1.0
* @modified: yangkai.shen
*/
@Configuration
@EnableSwagger2
public class Swagger2Config {
@Bean
public Docket createRestApi() {
return new Docket(DocumentationType.SWAGGER_2).apiInfo(apiInfo())
.select()
.apis(RequestHandlerSelectors.basePackage("com.xkcoding.swagger.controller"))
.paths(PathSelectors.any())
.build();
}
private ApiInfo apiInfo() {
return new ApiInfoBuilder().title("spring-boot-demo")
.description("这是一个简单的 Swagger API 演示")
.contact(new Contact("Yangkai.Shen", "http://xkcoding.com", "237497819@qq.com"))
.version("1.0.0-SNAPSHOT")
.build();
}
}主要演示API层的注解。
/**
* <p>
* User Controller
* </p>
*
* @package: com.xkcoding.swagger.controller
* @description: User Controller
* @author: yangkai.shen
* @date: Created in 2018-11-29 11:30
* @copyright: Copyright (c) 2018
* @version: V1.0
* @modified: yangkai.shen
*/
@RestController
@RequestMapping("/user")
@Api(tags = "1.0.0-SNAPSHOT", description = "用户管理", value = "用户管理")
@Slf4j
public class UserController {
@GetMapping
@ApiOperation(value = "条件查询（DONE）", notes = "备注")
@ApiImplicitParams({@ApiImplicitParam(name = "username", value = "用户名", dataType = DataType.STRING, paramType = ParamType.QUERY, defaultValue = "xxx")})
public ApiResponse<User> getByUserName(String username) {
log.info("多个参数用 @ApiImplicitParams");
return ApiResponse.<User>builder().code(200)
.message("操作成功")
.data(new User(1, username, "JAVA"))
.build();
}
@GetMapping("/{id}")
@ApiOperation(value = "主键查询（DONE）", notes = "备注")
@ApiImplicitParams({@ApiImplicitParam(name = "id", value = "用户编号", dataType = DataType.INT, paramType = ParamType.PATH)})
public ApiResponse<User> get(@PathVariable Integer id) {
log.info("单个参数用 @ApiImplicitParam");
return ApiResponse.<User>builder().code(200)
.message("操作成功")
.data(new User(id, "u1", "p1"))
.build();
}
@DeleteMapping("/{id}")
@ApiOperation(value = "删除用户（DONE）", notes = "备注")
@ApiImplicitParam(name = "id", value = "用户编号", dataType = DataType.INT, paramType = ParamType.PATH)
public void delete(@PathVariable Integer id) {
log.info("单个参数用 ApiImplicitParam");
}
@PostMapping
@ApiOperation(value = "添加用户（DONE）")
public User post(@RequestBody User user) {
log.info("如果是 POST PUT 这种带 @RequestBody 的可以不用写 @ApiImplicitParam");
return user;
}
@PostMapping("/multipar")
@ApiOperation(value = "添加用户（DONE）")
public List<User> multipar(@RequestBody List<User> user) {
log.info("如果是 POST PUT 这种带 @RequestBody 的可以不用写 @ApiImplicitParam");
return user;
}
@PostMapping("/array")
@ApiOperation(value = "添加用户（DONE）")
public User[] array(@RequestBody User[] user) {
log.info("如果是 POST PUT 这种带 @RequestBody 的可以不用写 @ApiImplicitParam");
return user;
}
@PutMapping("/{id}")
@ApiOperation(value = "修改用户（DONE）")
public void put(@PathVariable Long id, @RequestBody User user) {
log.info("如果你不想写 @ApiImplicitParam 那么 swagger 也会使用默认的参数名作为描述信息 ");
}
@PostMapping("/{id}/file")
@ApiOperation(value = "文件上传（DONE）")
public String file(@PathVariable Long id, @RequestParam("file") MultipartFile file) {
log.info(file.getContentType());
log.info(file.getName());
log.info(file.getOriginalFilename());
return file.getOriginalFilename();
}
}主要演示了 实体类 的注解。
/**
* <p>
* 通用API接口返回
* </p>
*
* @package: com.xkcoding.swagger.common
* @description: 通用API接口返回
* @author: yangkai.shen
* @date: Created in 2018-11-29 11:30
* @copyright: Copyright (c) 2018
* @version: V1.0
* @modified: yangkai.shen
*/
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
@ApiModel(value = "通用PI接口返回", description = "Common Api Response")
public class ApiResponse<T> implements Serializable {
private static final long serialVersionUID = -8987146499044811408L;
/**
* 通用返回状态
*/
@ApiModelProperty(value = "通用返回状态", required = true)
private Integer code;
/**
* 通用返回信息
*/
@ApiModelProperty(value = "通用返回信息", required = true)
private String message;
/**
* 通用返回数据
*/
@ApiModelProperty(value = "通用返回数据", required = true)
private T data;
}