前言
swagger,中文“拽”的意思。它是一個功能強大的api框架,它的集成非常簡單,不僅提供了在線文檔的查閱,
而且還提供了在線文檔的測試。另外swagger很容易構建restful風格的api。
Swagger是一組圍繞OpenAPI規範構建的開源工具,可幫助設計、構建、記錄和使用REST API。
簡單說下,它的出現就是為了方便進行測試後台的restful形式的接口,實現動態的更新,當我們在後台的接口
修改了後,swagger可以實現自動的更新,而不需要認為的維護這個接口進行測試。
swagger通過註解表明該接口會生成文檔,包括接口名、請求方法、參數、返回信息的等等。
<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>
通過@Configuration註解,表明它是一個配置類,@EnableSwagger2開啟swagger2。
apiINfo()配置一些基本的信息。 apis()指定掃描的包會生成文檔。
再通過createRestApi函數創建Docket的Bean之後,apiInfo()用來創建該Api的基本信息(這些基本信息會展現在文檔頁面中)。 select()函數返回一個ApiSelectorBuilder實例用來控制哪些接口暴露給Swagger來展現,本例採用指定掃描的包路徑來定義,Swagger會掃描該包下所有Controller定義的API,並產生文檔內容(除了被@ApiIgnore指定的請求)。
package com.lance.learn.springbootswagger.configuration;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import springfox.documentation.builders.ApiInfoBuilder;import springfox.documentation.builders.PathSelectors;import springfox.documentation.builders.RequestHandlerSelectors;import springfox.documentation.service.ApiInfo;import springfox.documentation.service.Contact;import springfox.documentation.spi.DocumentationType;import springfox.documentation.spring.web.plugins.Docket;import springfox.documentation.swagger2.annotations.EnableSwagger2;/** * @author lance(ZYH) * @function Swagger啟動配置類* @date 2018-07-09 21:24 */@Configuration@EnableSwagger2public class SwaggerConfiguration { /** * swagger2的配置文件,這裡可以配置swagger2的一些基本的內容,比如掃描的包等等* @return */ @Bean public Docket createRestfulApi(){ return new Docket(DocumentationType.SWAGGER_2) .pathMapping("/") .select() .apis(RequestHandlerSelectors.basePackage("com.lance.learn.springbootswagger.controller")) //暴露接口地址的包路徑.paths(PathSelectors.any()) .build(); } /** * 構建api文檔的詳細信息函數,注意這裡的註解引用的是哪個* @return */ private ApiInfo apiInfo(){ return new ApiInfoBuilder() //頁面標題.title("Spring Boot 測試使用Swagger2 構建RESTful API") //創建人.contact(new Contact("LanveToBigData", "http://www.cnblogs.com/zhangyinhua/", "[email protected]")) //版本號.version("1.0") //描述.description("API 描述") .build(); }}描述主要來源於函數等命名產生,對用戶並不友好,我們通常需要自己增加一些說明來豐富文檔內容。
如下所示,我們通過@ApiOperation註解來給API增加說明、通過@ApiImplicitParams、@ApiImplicitParam
註解來給參數增加說明。
1)實例一
package com.lance.learn.springbootswagger.controller;import com.lance.learn.springbootswagger.bean.Book;import io.swagger.annotations.ApiImplicitParam;import io.swagger.annotations.ApiImplicitParams;import io.swagger.annotations.ApiOperation;import org.springframework.web.bind.annotation.*;import springfox.documentation.annotations.ApiIgnore;import java.util.*;/** * @author lance(ZYH) * @function * @date 2018-07-09 21:39 */@RestController@RequestMapping(value = "/bookcurd")public class BookController { Map<Long, Book> books = Collections.synchronizedMap(new HashMap<Long, Book>()); @ApiOperation(value="獲取圖書列表", notes="獲取圖書列表") @RequestMapping(value={""}, method= RequestMethod.GET) public List<Book> getBook() { List<Book> book = new ArrayList<>(books.values()); return book; } @ApiOperation(value="創建圖書", notes="創建圖書") @ApiImplicitParam(name = "book", value = "圖書詳細實體", required = true, dataType = "Book") @RequestMapping(value="", method=RequestMethod.POST) public String postBook(@RequestBody Book book) { books.put(book.getId(), book); return "success"; } @ApiOperation(value="獲圖書細信息", notes="根據url的id來獲取詳細信息") @ApiImplicitParam(name = "id", value = "ID", required = true, dataType = "Long",paramType = "path") @RequestMapping(value="/{id}", method=RequestMethod.GET) public Book getBook(@PathVariable Long id) { return books.get(id); } @ApiOperation(value="更新信息", notes="根據url的id來指定更新圖書信息") @ApiImplicitParams({ @ApiImplicitParam(name = "id", value = "圖書ID", required = true, dataType = "Long",paramType = "path"), @ApiImplicitParam(name = "book", value = "圖書實體book", required = true, dataType = "Book") }) @RequestMapping(value="/{id}", method= RequestMethod.PUT) public String putUser(@PathVariable Long id, @RequestBody Book book) { Book book1 = books.get(id); book1.setName(book.getName()); book1.setPrice(book.getPrice()); books.put(id, book1); return "success"; } @ApiOperation(value="刪除圖書", notes="根據url的id來指定刪除圖書") @ApiImplicitParam(name = "id", value = "圖書ID", required = true, dataType = "Long",paramType = "path") @RequestMapping(value="/{id}", method=RequestMethod.DELETE) public String deleteUser(@PathVariable Long id) { books.remove(id); return "success"; } @ApiIgnore//使用該註解忽略這個API @RequestMapping(value = "/hi", method = RequestMethod.GET) public String jsonTest() { return " hi you!"; }}2)實例二
package com.lance.learn.springbootswagger.controller;import com.lance.learn.springbootswagger.bean.User;import io.swagger.annotations.ApiImplicitParam;import io.swagger.annotations.ApiImplicitParams;import io.swagger.annotations.ApiOperation;import org.springframework.web.bind.annotation.*;import java.util.*;/** * @author lance(ZYH) * @function * @date 2018-07-09 22:00 */@RestController@RequestMapping(value="/users")public class UserDetailController { static Map<Long, User> users = Collections.synchronizedMap(new HashMap<Long, User>()); @ApiOperation(value="獲取用戶列表", notes="") @RequestMapping(value={""}, method= RequestMethod.GET) public List<User> getUserList() { List<User> r = new ArrayList<User>(users.values()); return r; } @ApiOperation(value="創建用戶", notes="根據User對象創建用戶") @ApiImplicitParam(name = "user", value = "用戶詳細實體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="獲取用戶詳細信息", notes="根據url的id來獲取用戶詳細信息") @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="更新用戶詳細信息", notes="根據url的id來指定更新對象,並根據傳過來的user信息來更新用戶詳細信息") @ApiImplicitParams({ @ApiImplicitParam(name = "id", value = "用戶ID", required = true, dataType = "Long"), @ApiImplicitParam(name = "user", value = "用戶詳細實體user", required = true, dataType = "User") }) @RequestMapping(value="/{id}", method=RequestMethod.PUT) public String putUser(@PathVariable Long id, @RequestBody User user) { User u = new User(); users.put(id, u); return "success"; } @ApiOperation(value="刪除用戶", notes="根據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"; }}https://github.com/LanceToBigData/SpringBootLearning/tree/develop/SpringBoot-Swagger
總結
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