<dependency>
 <groupId>io.springfox</groupId>
 <artifactId>springfox-swagger2</artifactId>
 <version>2.7.0</version>
</dependency>
<dependency>
 <groupId>io.springfox</groupId>
 <artifactId>springfox-swagger-ui</artifactId>
 <version>2.7.0</version>
</dependency>

@SpringBootApplication
public class Application {
 public static void main(String[] args) {
 SpringApplication.run(Application.class, args);
 }
}

@Configuration
@EnableSwagger2
public class Swagger2 {
  @Bean
  public Docket createRestApi() {
    return new Docket(DocumentationType.SWAGGER_2)
        .apiInfo(apiInfo())
        .select()
        .apis(RequestHandlerSelectors.basePackage("com.shareniu.web"))
        .paths(PathSelectors.any())
        .build();
  }
  private ApiInfo apiInfo() {
    return new ApiInfoBuilder()
        .title("跟著分享牛學(xué)習(xí)Springboot源碼分析系列課程")
        .description("更多Spring Boot相關(guān)文章請關(guān)注分享牛的博客")
        .termsOfServiceUrl("http://www.shareniu.com/")
        .contact("牛牛")
        .license("Copyright 2017-2018 分享牛")
        .version("1.0")
        .build();
  }
}

@RestController
@RequestMapping(value="/users")
public class UserController {
  static Map<Long, User> users = Collections.synchronizedMap(new HashMap<Long, User>());
  static {
   User user = new User();
   user.setAge(18);
   user.setId(1L);
   user.setName("aa");
   users.put(1L, user);
  }
  @ApiOperation(value="獲取所有用戶列表", notes="")
  @RequestMapping(value={""}, method=RequestMethod.GET)
  public List<User> getUserList() {
    List<User> r = new ArrayList<User>(users.values());
    return r;
  }
  @ApiOperation(value="創(chuàng)建新的用戶", notes="根據(jù)User對象創(chuàng)建用戶")
  @ApiImplicitParam(name = "user", value = "用戶詳細(xì)實(shí)體user", required = true, dataType = "User")
  @RequestMapping(value="", method=RequestMethod.POST)
  public String postUser(@RequestBody User user) {
    users.put(user.getId(), user);
    return "success";
  }
  @ApiOperation(value="獲取用戶詳細(xì)信息", notes="根據(jù)url的id來獲取用戶詳細(xì)信息")
  @ApiImplicitParam(name = "id", value = "用戶ID", required = true, dataType = "Long")
  @RequestMapping(value="/{id}", method=RequestMethod.GET)
  public User getUser(@PathVariable Long id) {
    return users.get(id);
  }
  @ApiOperation(value="更新用戶詳細(xì)信息", notes="根據(jù)url的id來指定更新對象")
  @ApiImplicitParams({
      @ApiImplicitParam(name = "id", value = "用戶ID", required = true, dataType = "Long"),
      @ApiImplicitParam(name = "user", value = "用戶詳細(xì)實(shí)體user", required = true, dataType = "User")
  })
  @RequestMapping(value="/{id}", method=RequestMethod.PUT)
  public String putUser(@PathVariable Long id, @RequestBody User user) {
    User u = users.get(id);
    u.setName(user.getName());
    u.setAge(user.getAge());
    users.put(id, u);
    return "success";
  }
  @ApiOperation(value="刪除已存在的用戶", notes="根據(jù)url的id來指定刪除對象")
  @ApiImplicitParam(name = "id", value = "用戶ID", required = true, dataType = "Long")
  @RequestMapping(value="/{id}", method=RequestMethod.DELETE)
  public String deleteUser(@PathVariable Long id) {
    users.remove(id);
    return "success";
  }
}