Java利用Swagger2自动生成对外接口的文档

<!--springfox依赖-->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-core</artifactId>
      <version>2.8.0</version>
    </dependency>
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-databind</artifactId>
      <version>2.6.3</version>
    </dependency>
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-annotations</artifactId>
      <version>2.6.3</version>
    </dependency>
    <dependency>
      <groupId>io.springfox</groupId>
      <artifactId>springfox-swagger2</artifactId>
      <version>2.4.0</version>
    </dependency>
    <dependency>
      <groupId>io.springfox</groupId>
      <artifactId>springfox-swagger-ui</artifactId>
      <version>2.4.0</version>
    </dependency>

<!-- swagger静态文件路径 -->
  <mvc:resources location="classpath:/META-INF/resources/" mapping="swagger-ui.html"/> 
  <mvc:resources location="classpath:/META-INF/resources/webjars/" mapping="/webjars/**"/>

@Configuration
@EnableSwagger2
public class SwaggerConfig extends WebMvcConfigurationSupport {

  @Bean
  public Docket createRestApi() {
    return new Docket(DocumentationType.SWAGGER_2)
        .apiInfo(apiInfo())
        .select()
        .apis(RequestHandlerSelectors.basePackage("net.laoyeyey.yyblog"))
        .paths(PathSelectors.any())
        .build();
  }

  private ApiInfo apiInfo() {
    return new ApiInfoBuilder()
        .title("yyblog项目 RESTful APIs")
        .description("yyblog项目api接口文档")
        .version("1.0")
        .build();
  }
}

@Controller
@RequestMapping(value = "aitou")
@Api(description = "测试服务-账户信息查询")
public class DailyOperationDataController {
  Logger      logger  = Logger.getLogger(DailyOperationDataController.class);
  @Autowired
  private DailyOperationDataService DailyOperationDataService;
  /* 
   * @ApiOperation(value = "接口说明", httpMethod ="接口请求方式", response ="接口返回参数类型", notes ="接口发布说明" 
   * @ApiParam(required = "是否必须参数", name ="参数名称", value ="参数具体描述"
　　　*/
  @ApiOperation(value = "账户信息查询接口")
  @RequestMapping(method ={RequestMethod.POST,RequestMethod.GET}, value="/query/dailydata/{dataDate}")
  @ResponseBody
  public DailyOperationDataDto getDailyReportByDataDate(@PathVariable("dataDate") String dataDate) {
    try {
      return DailyOperationDataService.getDailyReportByDataDate(dataDate);
    } catch (Exception e) {
      logger.error(e.getMessage(), e);
    }

    return null;
  }

}

<!--springfox依赖 -->
    <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>

@Configuration
public class WebMvcConfig extends WebMvcConfigurerAdapter {/**
   * 配置静态资源路径以及上传文件的路径
   *
   * @param registry
   */
  @Override
  public void addResourceHandlers(ResourceHandlerRegistry registry) {
    registry.addResourceHandler("/static/**").addResourceLocations("classpath:/static/");
    registry.addResourceHandler("/upload/**").addResourceLocations(environment.getProperty("spring.resources.static-locations"));
    /*swagger-ui*/
    registry.addResourceHandler("swagger-ui.html").addResourceLocations("classpath:/META-INF/resources/");
    registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
  }

}

@Configuration
@EnableSwagger2
@EnableWebMvc
public class SwaggerConfig extends WebMvcConfigurationSupport {

  @Bean
  public Docket createRestApi() {
    return new Docket(DocumentationType.SWAGGER_2)
        .apiInfo(apiInfo())
        .select()
        .apis(RequestHandlerSelectors.basePackage("net.laoyeye.yyblog.web.frontend"))
        .paths(PathSelectors.none())
        .build();
  }

  private ApiInfo apiInfo() {
    return new ApiInfoBuilder()
        .title("yyblog项目 RESTful APIs")
        .description("yyblog项目api接口文档")
        .version("1.0")
        .build();
  }


}

/**
 * 前台文章Controller
 * @author 小卖铺的老爷爷
 * @date 2018年5月5日
 * @website www.laoyeye.net
 */
@Api(description="文章查询")
@Controller
@RequestMapping("/article")
public class ArticleController {
  @Autowired
  private ArticleService articleService;
  @Autowired
  private SettingService settingService;
  @Autowired
  private CateService cateService;
  @Autowired
  private TagReferService tagReferService;
  @Autowired
  private UserService userService;
  @Autowired
  private ArticleMapper articleMapper;
  @Autowired
  private CommentService commentService;
  
  @ApiOperation(value="文章查询接口")
  @ApiImplicitParam(name = "id", value = "文章ID", required = true, dataType = "Long")
  @GetMapping("/{id}")
  public String index(Model model, @PathVariable("id") Long id) {
    try {
      articleService.updateViewsById(id);
    } catch (Exception ignore) {
    }
    List<Setting> settings = settingService.listAll();
    Map<String,Object> map = new HashMap<String,Object>();
    for (Setting setting : settings) {
      map.put(setting.getCode(), setting.getValue());
    }
    Article article = articleService.getArticleById(id);
    model.addAttribute("settings", map);
    model.addAttribute("cateList", cateService.listAllCate());
    model.addAttribute("article", article);
    model.addAttribute("tags", tagReferService.listNameByArticleId(article.getId()));
    model.addAttribute("author", userService.getNicknameById(article.getAuthorId()));
    //回头改
    model.addAttribute("articles", articleMapper.listArticleByTitle(null));
    model.addAttribute("similars", articleMapper.listArticleByTitle(null));
    CommentQuery query = new CommentQuery();
    query.setLimit(10);
    query.setPage(1);
    query.setArticleId(id);
    model.addAttribute("comments", commentService.listCommentByArticleId(query));
    return "frontend/article";
  }
  
  @ApiOperation(value="文章评论查询接口")
  @PostMapping("/comments")
  @ResponseBody
  public DataGridResult comments(CommentQuery query) {
    //设置默认10
    query.setLimit(10);
    return commentService.listCommentByArticleId(query);
  }
  
  @ApiOperation(value="文章点赞接口")
  @ApiImplicitParam(name = "articleId", value = "文章ID", required = true, dataType = "Long")
  @PostMapping("/approve")
  @ResponseBody
  public YYBlogResult approve(@RequestParam Long articleId) {
    return articleService.updateApproveCntById(articleId);
  }
}