一、Swagger2介绍

前后端分离开发模式中,api文档是最好的沟通方式。
Swagger 是一个规范和完整的框架,用于生成、描述、调用和可视化 RESTful 风格的 Web 服务。

  1. 及时性 (接口变更后,能够及时准确地通知相关前后端开发人员)
  2. 规范性 (并且保证接口的规范性,如接口的地址,请求方式,参数及响应格式和错误信息)
  3. 一致性 (接口信息一致,不会出现因开发人员拿到的文档版本不一致,而出现分歧)
  4. 可测性 (直接在接口文档上进行测试,以方便理解业务)

二、配置Swagger2

1、在guli-parent下创建模块common

配置:
groupId:com.atguigu
artifactId:common
图片.png

2、在common中引入相关依赖

  1. <dependencies>
  2. <dependency>
  3. <groupId>org.springframework.boot</groupId>
  4. <artifactId>spring-boot-starter-web</artifactId>
  5. <scope>provided </scope>
  6. </dependency>
  7. <!--mybatis-plus-->
  8. <dependency>
  9. <groupId>com.baomidou</groupId>
  10. <artifactId>mybatis-plus-boot-starter</artifactId>
  11. <scope>provided </scope>
  12. </dependency>
  13. <!--lombok用来简化实体类:需要安装lombok插件-->
  14. <dependency>
  15. <groupId>org.projectlombok</groupId>
  16. <artifactId>lombok</artifactId>
  17. <scope>provided </scope>
  18. </dependency>
  19. <!--swagger-->
  20. <dependency>
  21. <groupId>io.springfox</groupId>
  22. <artifactId>springfox-swagger2</artifactId>
  23. <scope>provided </scope>
  24. </dependency>
  25. <dependency>
  26. <groupId>io.springfox</groupId>
  27. <artifactId>springfox-swagger-ui</artifactId>
  28. <scope>provided </scope>
  29. </dependency>
  30. <!-- redis -->
  31. <dependency>
  32. <groupId>org.springframework.boot</groupId>
  33. <artifactId>spring-boot-starter-data-redis</artifactId>
  34. </dependency>
  35. <!-- spring2.X集成redis所需common-pool2
  36. <dependency>
  37. <groupId>org.apache.commons</groupId>
  38. <artifactId>commons-pool2</artifactId>
  39. <version>2.6.0</version>
  40. </dependency>-->
  41. </dependencies>

3、创建子模块service-base

图片.png

4、创建swagger的配置类

创建包com.atguigu.servicebase.config,创建类SwaggerConfig

  1. @Configuration //配置类,项目启动时要加载
  2. @EnableSwagger2 //swagger注解
  3. public class SwaggerConfig {
  4. @Bean
  5. public Docket webApiConfig(){
  6. return new Docket(DocumentationType.SWAGGER_2)
  7. .groupName("webApi")
  8. .apiInfo(webApiInfo())
  9. .select()
  10. .paths(Predicates.not(PathSelectors.regex("/admin/.*")))
  11. .paths(Predicates.not(PathSelectors.regex("/error.*")))
  12. .build();
  13. }
  14. private ApiInfo webApiInfo(){
  15. return new ApiInfoBuilder()
  16. .title("网站-课程中心API文档")
  17. .description("本文档描述了课程中心微服务接口定义")
  18. .version("1.0")
  19. .contact(new Contact("Helen", "http://atguigu.com", "55317332@qq.com"))
  20. .build();
  21. }
  22. }

5、在service模块中引入service-base

  1. <dependency>
  2. <groupId>com.atguigu</groupId>
  3. <artifactId>service-base</artifactId>
  4. <version>0.0.1-SNAPSHOT</version>
  5. </dependency>

6、在service-edu启动类上添加注解ComponentScan,设置包扫描规则

  1. **项目启动时,自动加载包为com.atguigu下所有的配置类。如果不配置,只有扫当前项目的包,不会扫**<br />**service-base模块下的配置类**<br />![图片.png](https://cdn.nlark.com/yuque/0/2021/png/22523384/1635950802680-a775991d-c0ba-44e2-aa68-cf2d52d62d43.png#clientId=u7ed86283-9b57-4&from=paste&height=100&id=ue387f007&margin=%5Bobject%20Object%5D&name=%E5%9B%BE%E7%89%87.png&originHeight=100&originWidth=456&originalType=binary&ratio=1&size=4868&status=done&style=none&taskId=ud354068f-499a-43a7-8119-58a080e96e2&width=456)<br />项目启动后,访问:localhost:8001/swagger-ui.html

7、API模型

可以添加一些自定义设置,例如:
定义样例数据

  1. @ApiModelProperty(value = "创建时间", example = "2019-01-01 8:00:00")
  2. @TableField(fill = FieldFill.INSERT)
  3. private Date gmtCreate;
  4. @ApiModelProperty(value = "更新时间", example = "2019-01-01 8:00:00")
  5. @TableField(fill = FieldFill.INSERT_UPDATE)
  6. private Date gmtModified;

图片.png

8、定义接口说明和参数说明

定义在类上:@Api
定义在方法上:@ApiOperation
定义在参数上:@ApiParam

  1. @Api(description="讲师管理")
  2. @RestController
  3. @RequestMapping("/admin/edu/teacher")
  4. public class TeacherAdminController {
  5. @Autowired
  6. private TeacherService teacherService;
  7. @ApiOperation(value = "所有讲师列表")
  8. @GetMapping
  9. public List<Teacher> list(){
  10. return teacherService.list(null);
  11. }
  12. @ApiOperation(value = "根据ID删除讲师")
  13. @DeleteMapping("{id}")
  14. public boolean removeById(
  15. @ApiParam(name = "id", value = "讲师ID", required = true)
  16. @PathVariable String id){
  17. return teacherService.removeById(id);
  18. }
  19. }