spring boot 整合Swagger2 构建API文档

xiaoxiao2021-02-28  6

1.pom.xml中引入依赖

<dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger2</artifactId> <version>2.2.2</version> </dependency> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger-ui</artifactId> <version>2.2.2</version> </dependency>

 

2.创建Swagger2配置类

 

@Configuration @EnableSwagger2 public class SwaggerConfig { @Bean public Docket apiDoc() { return docket(); } private Docket docket() { return new Docket(DocumentationType.SWAGGER_2).select() .apis(RequestHandlerSelectors.withClassAnnotation(RestController.class))//这里采用包含注解的方式来确定要显示的接口 //.apis(RequestHandlerSelectors.basePackage("com.fz.hr.modules.system.controller")) //这里采用包扫描的方式来确定要显示的接口 .build().ignoredParameterTypes(Errors.class).apiInfo(apiInfo()); } private ApiInfo apiInfo() { return new ApiInfoBuilder() .title("springboot利用swagger构建api文档") .description("简单优雅的restfun风格") .version("1.0") .build(); } }

3.给接口添加注解

@RestController public class UserController { // 创建线程安全的Map static Map<Integer, User> users = Collections.synchronizedMap(new HashMap<Integer, User>()); /** * 根据ID查询用户 * @param id * @return */ @ApiOperation(value="获取用户详细信息", notes="根据url的id来获取用户详细信息") @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Integer", paramType = "path") @RequestMapping(value = "user/{id}", method = RequestMethod.GET) public ResponseEntity<JsonResult> getUserById (@PathVariable(value = "id") Integer id){ JsonResult r = new JsonResult(); try { User user = users.get(id); r.setResult(user); r.setStatus("ok"); } catch (Exception e) { r.setResult(e.getClass().getName() + ":" + e.getMessage()); r.setStatus("error"); e.printStackTrace(); } return ResponseEntity.ok(r); } /** * 查询用户列表 * @return */ @ApiOperation(value="获取用户列表", notes="获取用户列表") @RequestMapping(value = "users", method = RequestMethod.GET) public ResponseEntity<JsonResult> getUserList (){ JsonResult r = new JsonResult(); try { List<User> userList = new ArrayList<User>(users.values()); r.setResult(userList); r.setStatus("ok"); } catch (Exception e) { r.setResult(e.getClass().getName() + ":" + e.getMessage()); r.setStatus("error"); e.printStackTrace(); } return ResponseEntity.ok(r); } /** * 添加用户 * @param user * @return */ @ApiOperation(value="创建用户", notes="根据User对象创建用户") @ApiImplicitParam(name = "user", value = "用户详细实体user", required = true, dataType = "User") @RequestMapping(value = "user", method = RequestMethod.POST) public ResponseEntity<JsonResult> add (@RequestBody User user){ JsonResult r = new JsonResult(); try { users.put(user.getId(), user); r.setResult(user.getId()); r.setStatus("ok"); } catch (Exception e) { r.setResult(e.getClass().getName() + ":" + e.getMessage()); r.setStatus("error"); e.printStackTrace(); } return ResponseEntity.ok(r); } /** * 根据id删除用户 * @param id * @return */ @ApiOperation(value="删除用户", notes="根据url的id来指定删除用户") @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long", paramType = "path") @RequestMapping(value = "user/{id}", method = RequestMethod.DELETE) public ResponseEntity<JsonResult> delete (@PathVariable(value = "id") Integer id){ JsonResult r = new JsonResult(); try { users.remove(id); r.setResult(id); r.setStatus("ok"); } catch (Exception e) { r.setResult(e.getClass().getName() + ":" + e.getMessage()); r.setStatus("error"); e.printStackTrace(); } return ResponseEntity.ok(r); } /** * 根据id修改用户信息 * @param user * @return */ @ApiOperation(value="更新信息", notes="根据url的id来指定更新用户信息") @ApiImplicitParams({ @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long",paramType = "path"), @ApiImplicitParam(name = "user", value = "用户实体user", required = true, dataType = "User") }) @RequestMapping(value = "user/{id}", method = RequestMethod.PUT) public ResponseEntity<JsonResult> update (@PathVariable("id") Integer id, @RequestBody User user){ JsonResult r = new JsonResult(); try { User u = users.get(id); u.setUsername(user.getUsername()); u.setAge(user.getAge()); users.put(id, u); r.setResult(u); r.setStatus("ok"); } catch (Exception e) { r.setResult(e.getClass().getName() + ":" + e.getMessage()); r.setStatus("error"); e.printStackTrace(); } return ResponseEntity.ok(r); } @ApiIgnore//使用该注解忽略这个API @RequestMapping(value = "/hi", method = RequestMethod.GET) public String jsonTest() { return " hi you!"; } } Json格式输出类 JsonResult.class package cn.saytime.bean; public class JsonResult { private String status = null; private Object result = null; // Getter Setter } 实体User.class package cn.saytime.bean; import java.util.Date; /** * @author zh * @ClassName cn.saytime.bean.User * @Description */ public class User { private int id; private String username; private int age; private Date ctm; // Getter Setter }

4.启动SpringBoot项目,访问 http://localhost:8080/swagger-ui.html

 

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