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SOP/doc/docs/files/10041_编写文档.md

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# 编写文档
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作为开放平台,必须要提供API文档。
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SOP采用微服务架构实现,因此文档应该由各个微服务各自实现。难点就是如何统一归纳各个微服务端提供的文档信息,并且统一展示。
写完接口后使用swagger注解来定义自己的文档信息。步骤如下:
- maven添加swagger
```xml
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<!-- swagger2 -->
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<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>2.9.2</version>
</dependency>
<dependency>
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<groupId>com.github.xiaoymin</groupId>
<artifactId>swagger-bootstrap-ui</artifactId>
<version>1.9.5</version>
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</dependency>
```
- 在config中添加swagger配置
```java
@Configuration
public class OpenServiceConfig extends AlipayServiceConfiguration {
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/**
* 开启文档,本地微服务文档地址:http://localhost:2222/doc.html
* http://ip:port/v2/api-docs
*/
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@Configuration
@EnableSwagger2
public static class Swagger2 extends SwaggerSupport {
@Override
protected String getDocTitle() {
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return "故事API";
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}
}
}
```
其中`getDocTitle()`返回文档模块名,不能和其它微服务重复。比如订单服务返回:`订单API`;库存服务返回:`库存API`
- 编写swagger注解
分别在请求参数和返回结果类中编写`@ApiModelProperty`
```java
// 请求参数
@Data
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public class StoryParam {
@ApiModelProperty(value = "故事ID", example = "111")
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private int id;
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@ApiModelProperty(value = "故事名称", required = true, example = "白雪公主")
private String name;
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}
// 返回结果
@Data
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public class StoryResult {
@ApiModelProperty(value = "故事ID", example = "1")
private Long id;
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@ApiModelProperty(value = "故事名称", example = "海底小纵队")
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private String name;
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@ApiModelProperty(value = "创建时间", example = "2019-04-14 19:02:12")
private Date gmt_create;
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}
```
- 在接口方法上编写`@ApiOperation`注解
```java
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/**
* 参数绑定
*
* @param story 对应biz_content中的内容,并自动JSR-303校验
* @return
*/
@ApiOperation(value = "获取故事信息", notes = "说明接口的详细信息,介绍,用途,注意事项等。")
@ApiMapping(value = "alipay.story.find")
public StoryResult getStory2(StoryParam story) {
log.info("获取故事信息参数, story: {}", story);
// 获取其它参数
OpenContext openContext = ServiceContext.getCurrentContext().getOpenContext();
String app_id = openContext.getAppId();
StoryResult result = new StoryResult();
result.setName("白雪公主, app_id:" + app_id);
result.setGmt_create(new Date());
return result;
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}
```
其中`value`属性填接口名称,简明扼要。`notes`填写接口的详细信息,介绍,用途,注意事项等。
## 查看文档
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- 确保注册中心、网关、微服务正常启动
- 运行WebsiteServerApplication.java
- 访问http://localhost:8083
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效果图如下
![预览](images/10041_1.png "10041_1.png")
## 注解对应关系
swagger注解和文档界面显示关系如下图所示:
![预览](images/10041_2.png "10041_2.png")
![预览](images/10041_3.png "10041_3.png")