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本篇内容主要讲解“如何实现集成Swagger2开发API文档”,感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习“如何实现集成Swagger2开发API文档”吧!
相信很多后端开发在项目中都会碰到要写 api 文档,不管是给前端、移动端等提供更好的对接,还是以后为了以后交接方便,都会要求写 api 文档。
而手写 api 文档的话有诸多痛点:
文档更新的时候,需要再次发送给对接人
接口太对,手写文档很难管理
接口返回的结果不明确
不能直接在线测试接口,通常需要使用工具,如 postman 等
Swagger 就很好的解决了这个问题。
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。总体目标是使客户端和文件系统作为服务器以同样的速度来更新。文件的方法,参数和模型紧密集成到服务器端的代码,允许API来始终保持同步。
官网:https://swagger.io
<!--swagger2 --> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger2</artifactId> <version>2.9.2</version> </dependency> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger-ui</artifactId> <version>2.9.2</version> </dependency>
@Configuration @EnableSwagger2 public class SwaggerConfig { @Bean public Docket buildDocket() { return new Docket(DocumentationType.SWAGGER_2) .apiInfo(buildApiInf()) //将api的元信息设置为包含在json resourcelisting响应中 //.host("127.0.0.1:8080") //设置ip和端口,或者域名 .select() //启动用于api选择的生成器 //.apis(RequestHandlerSelectors.any()) .apis(RequestHandlerSelectors.basePackage("cn.zwqh.springboot.controller"))//指定controller路径 .paths(PathSelectors.any()).build(); } private ApiInfo buildApiInf() { Contact contact=new Contact("朝雾轻寒","https://www.zwqh.top/","zwqh@clover1314.com"); return new ApiInfoBuilder() .title("Swagger Demo Restful API Docs")//文档标题 .description("Swagger 示例 Restful Api 文档")//文档描述 .contact(contact)//联系人 .version("1.0")//版本号 //.license("")//更新此API的许可证信息 //.licenseUrl("")//更新此API的许可证Url //.termsOfServiceUrl("")//更新服务条款URL .build(); } }
@Configuration public class WebMvcConfig extends WebMvcConfigurationSupport { /** * 静态资源配置(默认) */ @Override public void addResourceHandlers(ResourceHandlerRegistry registry) { registry.addResourceHandler("/**").addResourceLocations("classpath:/static/");// 静态资源路径 registry.addResourceHandler("swagger-ui.html").addResourceLocations("classpath:/META-INF/resources/"); registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/"); super.addResourceHandlers(registry); } }
如果不添加此静态资源配置会报错,找不到相关路径
@ApiModel(value = "UserEntity", description = "用户对象") public class UserEntity implements Serializable{ /** * */ private static final long serialVersionUID = 5237730257103305078L; @ApiModelProperty(value ="用户id",name="id",dataType="Long",required = false,example = "1",hidden = false ) private Long id; @ApiModelProperty(value ="用户名",name="userName",dataType="String",required = false,example = "关羽" ) private String userName; @ApiModelProperty(value ="用户性别",name="userSex",dataType="String",required = false,example = "男" ) private String userSex; public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName; } public String getUserSex() { return userSex; } public void setUserSex(String userSex) { this.userSex = userSex; } }
@RestController @RequestMapping("/api") @Api(tags = { "接口分组1", "接口分组2" }) public class ApiController { @Autowired private UserDao userDao; @GetMapping("/getAllUser") @ApiOperation(value = "获取所有用户", notes = "", httpMethod = "GET", tags = "接口分组3") public List<UserEntity> getAll() { return userDao.getAll(); } @GetMapping("/getUserById") @ApiOperation(value = "根据id获取用户", notes = "id必传", httpMethod = "GET") @ApiImplicitParam(name = "id", value = "用户id",example = "1", required = true, dataType = "long", paramType = "query") public UserEntity getOne(Long id) { return userDao.getOne(id); } @PostMapping("/getUserByNameAndSex") @ApiOperation(value = "根据name和sex获取用户", notes = "", httpMethod = "POST") @ApiImplicitParams({ @ApiImplicitParam(name = "userName", value = "用户名", example = "关羽", required = true, dataType = "string", paramType = "query"), @ApiImplicitParam(name = "userSex", value = "用户性别", example = "男", required = true, dataType = "string", paramType = "query") }) public UserEntity getUserByNameAndSex(String userName, String userSex) { return userDao.getUserByNameAndSex(userName, userSex); } @PostMapping("/insertUser") @ApiOperation(value = "新增用户", notes = "传json,数据放body", httpMethod = "POST") @ApiImplicitParams({ @ApiImplicitParam(name = "body", value = "用户对象json", example = "{userName:'朝雾轻寒',userSex:'男'}", required = true) }) public String insertUser(@RequestBody String body) { System.out.println(body); UserEntity user = JSON.parseObject(body, UserEntity.class); userDao.insertUser(user); return "{code:0,msg:'success'}"; } @PostMapping("/updateUser") @ApiOperation(value = "修改用户", notes = "传json,数据放body", httpMethod = "POST") @ApiImplicitParams({ @ApiImplicitParam(name = "body", value = "用户对象json", example = "{id:23,userName:'朝雾轻寒',userSex:'女'}", required = true) }) public String updateUser(@RequestBody String body) { System.out.println(body); UserEntity user = JSON.parseObject(body, UserEntity.class); userDao.updateUser(user); return "{code:0,msg:'success'}"; } @PostMapping("/deleteUser") @ApiOperation(value = "删除用户", notes = "id必传", httpMethod = "POST") public String deleteUser(@ApiParam(name = "id", value = "用户id", required = true) Long id) { userDao.deleteUser(id); return "{code:0,msg:'success'}"; } }
访问 http://127.0.0.1:8080/swagger-ui.html 进行接口在线测试
用于类,表示标识这个类是swagger的资源。属性如下:
tags 表示说明,tags如果有多个值,会生成多个列表
value 表示说明,可以使用tags替代
用于方法,表示一个http请求的操作。属性如下:
value 用于方法描述
notes 用于提示内容
tags 用于API文档控制的标记列表,视情况而用,可以进行独立分组
用于方法、参数、字段说明;表示对参数的添加元数据。
name 参数名
value 参数说明
required 是否必填
用于类,表示对类进行说明,用于参数用实体类接受。
value 对象名
description 描述
用于方法、字段,表示对model属性的说明或者数据操作更改。
value 字段说明
name 重写属性名
dataType 重写属性数据类型
required 是否必填
example 举例说明
hidden 隐藏
用于类、方法、方法参数,表示这个方法或者类被忽略,不在swagger-ui.html上显示。
用于方法,表示单独的请求参数。
name 参数名
value 参数说明
dataType 数据类型
paramType 参数类型
example 举例说明
用于方法,包含多个 @ApiImplicitParam。
用于类或者方法,描述操作的可能响应。
code 响应的HTTP状态代码
message 响应附带的可读消息
用于方法,响应头设置。
name 响应头名称
description 头描述
response 默认响应类 void
responseContainer 参考ApiOperation中配置
添加依赖
<!-- swagger2markup 相关依赖 --> <dependency> <groupId>io.github.swagger2markup</groupId> <artifactId>swagger2markup</artifactId> <version>1.3.3</version> </dependency>
转换工具类
public class SwaggerUtils { private static final String url = "http://127.0.0.1:8080/v2/api-docs"; /** * 生成AsciiDocs格式文档 * @throws MalformedURLException */ public static void generateAsciiDocs() throws MalformedURLException { Swagger2MarkupConfig config = new Swagger2MarkupConfigBuilder() .withMarkupLanguage(MarkupLanguage.ASCIIDOC) .withOutputLanguage(Language.ZH) .withPathsGroupedBy(GroupBy.TAGS) .withGeneratedExamples() .withoutInlineSchema().build(); Swagger2MarkupConverter.from(new URL(url)) .withConfig(config) .build() .toFolder(Paths.get("./docs/asciidoc/generated")); } /** * 生成AsciiDocs格式文档,并汇总成一个文件 * @throws MalformedURLException */ public static void generateAsciiDocsToFile() throws MalformedURLException { Swagger2MarkupConfig config = new Swagger2MarkupConfigBuilder() .withMarkupLanguage(MarkupLanguage.ASCIIDOC) .withOutputLanguage(Language.ZH) .withPathsGroupedBy(GroupBy.TAGS) .withGeneratedExamples() .withoutInlineSchema() .build(); Swagger2MarkupConverter.from(new URL(url)) .withConfig(config) .build() .toFile(Paths.get("./docs/asciidoc/generated/all")); } /** * 生成Markdown格式文档 * @throws MalformedURLException */ public static void generateMarkdownDocs() throws MalformedURLException { Swagger2MarkupConfig config = new Swagger2MarkupConfigBuilder() .withMarkupLanguage(MarkupLanguage.MARKDOWN) .withOutputLanguage(Language.ZH) .withPathsGroupedBy(GroupBy.TAGS) .withGeneratedExamples() .withoutInlineSchema() .build(); Swagger2MarkupConverter.from(new URL(url)) .withConfig(config) .build() .toFolder(Paths.get("./docs/markdown/generated")); } /** * 生成Markdown格式文档,并汇总成一个文件 * @throws MalformedURLException */ public static void generateMarkdownDocsToFile() throws MalformedURLException { Swagger2MarkupConfig config = new Swagger2MarkupConfigBuilder() .withMarkupLanguage(MarkupLanguage.MARKDOWN) .withOutputLanguage(Language.ZH) .withPathsGroupedBy(GroupBy.TAGS) .withGeneratedExamples() .withoutInlineSchema() .build(); Swagger2MarkupConverter.from(new URL(url)) .withConfig(config) .build() .toFile(Paths.get("./docs/markdown/generated/all")); } /** * 生成Confluence格式文档 * @throws MalformedURLException */ public static void generateConfluenceDocs() throws MalformedURLException { Swagger2MarkupConfig config = new Swagger2MarkupConfigBuilder() .withMarkupLanguage(MarkupLanguage.CONFLUENCE_MARKUP) .withOutputLanguage(Language.ZH) .withPathsGroupedBy(GroupBy.TAGS) .withGeneratedExamples() .withoutInlineSchema() .build(); Swagger2MarkupConverter.from(new URL(url)) .withConfig(config) .build() .toFolder(Paths.get("./docs/confluence/generated")); } /** * 生成Confluence格式文档,并汇总成一个文件 * @throws MalformedURLException */ public static void generateConfluenceDocsToFile() throws MalformedURLException { Swagger2MarkupConfig config = new Swagger2MarkupConfigBuilder() .withMarkupLanguage(MarkupLanguage.CONFLUENCE_MARKUP) .withOutputLanguage(Language.ZH) .withPathsGroupedBy(GroupBy.TAGS) .withGeneratedExamples() .withoutInlineSchema() .build(); Swagger2MarkupConverter.from(new URL(url)) .withConfig(config) .build() .toFile(Paths.get("./docs/confluence/generated/all")); } }
使用测试 Controller
@RestController @RequestMapping("/export") @ApiIgnore public class ExportController { @RequestMapping("/ascii") public String exportAscii() throws MalformedURLException{ SwaggerUtils.generateAsciiDocs(); return "success"; } @RequestMapping("/asciiToFile") public String asciiToFile() throws MalformedURLException{ SwaggerUtils.generateAsciiDocsToFile(); return "success"; } @RequestMapping("/markdown") public String exportMarkdown() throws MalformedURLException{ SwaggerUtils.generateMarkdownDocs(); return "success"; } @RequestMapping("/markdownToFile") public String exportMarkdownToFile() throws MalformedURLException{ SwaggerUtils.generateMarkdownDocsToFile(); return "success"; } @RequestMapping("/confluence") public String confluence() throws MalformedURLException{ SwaggerUtils.generateConfluenceDocs(); return "success"; } @RequestMapping("/confluenceToFile") public String confluenceToFile() throws MalformedURLException{ SwaggerUtils.generateConfluenceDocsToFile(); return "success"; } }
添加依赖
<!--离线文档 --> <dependency> <groupId>org.springframework.restdocs</groupId> <artifactId>spring-restdocs-mockmvc</artifactId> <scope>test</scope> </dependency> <!--springfox-staticdocs 生成静态文档 --> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-staticdocs</artifactId> <version>2.6.1</version> </dependency>
<build> <pluginManagement> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> <plugin> <groupId>io.github.swagger2markup</groupId> <artifactId>swagger2markup-maven-plugin</artifactId> <version>1.3.1</version> <configuration> <swaggerInput>http://127.0.0.1:8080/v2/api-docs</swaggerInput> <outputDir>./docs/asciidoc/generated</outputDir> <config> <swagger2markup.markupLanguage>ASCIIDOC</swagger2markup.markupLanguage> </config> </configuration> </plugin> <plugin> <groupId>org.asciidoctor</groupId> <artifactId>asciidoctor-maven-plugin</artifactId> <version>1.5.3</version> <!-- <version>2.0.0-RC.1</version> --> <!-- Include Asciidoctor PDF for pdf generation --> <dependencies> <dependency> <groupId>org.asciidoctor</groupId> <artifactId>asciidoctorj-pdf</artifactId> <version>1.5.0-alpha.10.1</version> </dependency> <dependency> <groupId>org.jruby</groupId> <artifactId>jruby-complete</artifactId> <version>1.7.21</version> </dependency> </dependencies> <configuration> <sourceDirectory>./docs/asciidoc/generated</sourceDirectory> <outputDirectory>./docs/asciidoc/html</outputDirectory> <backend>html</backend> <!-- <outputDirectory>./docs/asciidoc/pdf</outputDirectory> <backend>pdf</backend> --> <headerFooter>true</headerFooter> <doctype>book</doctype> <sourceHighlighter>coderay</sourceHighlighter> <attributes> <!-- 菜单栏在左边 --> <toc>left</toc> <!-- 多标题排列 --> <toclevels>3</toclevels> <!-- 自动打数字序号 --> <sectnums>true</sectnums> </attributes> </configuration> </plugin> </plugins> </pluginManagement> </build>
可以修改此处 html 和 pdf,通过 mvn asciidoctor:process-asciidoc 可以导出相应格式文件
<outputDirectory>./docs/asciidoc/html</outputDirectory> <backend>html</backend>
执行 mvn asciidoctor:process-asciidoc 后再执行 mvn generate-resources,可在 targt/generated-docs 目录下生成 xml 格式文件。
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