1. Swagger简介
Swagger是一个API接口管理工具,支持在线测试接口数据,根据配置自动生成API文档,结合spring mvc而提供界面化方法文档的一个开源框架。
1.1 Swagger主要的项目
Swagger是一组开源项目,主要项目如下:
Swagger-tools:提供各种与Swagger进行集成和交互的工具。例如模式检验、Swagger 1.2文档转换成Swagger 2.0文档等功能。
Swagger-core: 用于Java/Scala的的Swagger实现。与JAX-RS(Jersey、Resteasy、CXF…)、Servlets和Play框架进行集成。
Swagger-js: 用于JavaScript的Swagger实现。
Swagger-node-express: Swagger模块,用于node.js的Express web应用框架。
Swagger-ui:一个无依赖的HTML、JS和CSS集合,可以为Swagger兼容API动态生成优雅文档。
Swagger-codegen:一个模板驱动引擎,通过分析用户Swagger资源声明以各种语言生成客户端代码。
Swagger-editor:可让使用者在浏览器里以YAML格式编辑Swagger API规范并实时预览文档。可以生成有效的Swagger JSON描述,并用于所有Swagger工具(代码生成、文档等等)中。
2. Swagger-Bootstrap-UI简介
Swagger-Bootstrap-UI是springfox-swagger的增强UI实现,为Java开发者在使用Swagger的时候,能拥有一份简洁、强大的接口文档体验。
2.1 Swagger-Bootstrap-UI核心功能
官方文档:https://doc.xiaominfo.com/guide/#%E7%AE%80%E4%BB%8B
效果:http://swagger-bootstrap-ui.xiaominfo.com/doc.html
示例:https://gitee.com/xiaoym/swagger-bootstrap-ui-demo
该UI增强包主要包括两大核心功能:文档说明 和 在线调试
- 文档说明:根据Swagger的规范说明,详细列出接口文档的说明,包括接口地址、类型、请求示例、请求参数、响应示例、响应参数、响应码等信息,使用swagger-bootstrap-ui能根据该文档说明,对该接口的使用情况一目了然。
- 在线调试:提供在线接口联调的强大功能,自动解析当前接口参数,同时包含表单验证,调用参数可返回接口响应内容、headers、Curl请求命令实例、响应时间、响应状态码等信息,帮助开发者在线调试,而不必通过其他测试工具测试接口是否正确,简介、强大
3. 创建spring Boot项目
本案例是基于spring boot+jpa+mysql+swagger,编译器选择IDEA。
3.1 创建maven 项目,引入依赖
spring Boot父包和编码格式设置
<!-- 定义公共资源版本 -->
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.1.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
spring boot常用依赖包
<dependencies>
<!-- 上边引入 parent,因此 下边无需指定版本 -->
<!-- 包含 mvc,aop 等jar资源 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!--spring操作数据库jpa 用于将数据存入数据库的类和方法的集-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<!-- 热部署 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
<scope>true</scope>
</dependency>
<!--spring模板引擎-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<!--数据库相关-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
</dependencies>
其他
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<!-- 没有该配置,devtools 不生效 -->
<fork>true</fork>
</configuration>
</plugin>
</plugins>
</build>
引入swagger和的swagger-bootstrap-ui包
<!-- 引入swagger-ui包 -->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>2.2.2</version>
</dependency>
<!-- 引入swagger包 -->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>2.2.2</version>
</dependency>
<!-- 引入swagger-bootstrap-ui包 -->
<dependency>
<groupId>com.github.xiaoymin</groupId>
<artifactId>swagger-bootstrap-ui</artifactId>
<version>1.8.3</version>
</dependency>
全部:
<!-- 定义公共资源版本 -->
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.1.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<!-- 上边引入 parent,因此 下边无需指定版本 -->
<!-- 包含 mvc,aop 等jar资源 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- 引入swagger-ui包 -->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>2.2.2</version>
</dependency>
<!-- 引入swagger包 -->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>2.2.2</version>
</dependency>
<!-- 引入swagger-bootstrap-ui包 -->
<dependency>
<groupId>com.github.xiaoymin</groupId>
<artifactId>swagger-bootstrap-ui</artifactId>
<version>1.8.3</version>
</dependency>
<!--spring操作数据库jpa 用于将数据存入数据库的类和方法的集-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<!-- 热部署 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
<scope>true</scope>
</dependency>
<!--spring模板引擎-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<!--数据库相关-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<!-- 没有该配置,devtools 不生效 -->
<fork>true</fork>
</configuration>
</plugin>
</plugins>
</build>
3.2 编写数据表
3.3 利用JPA编写基本的增删改查
在 resources 目录下新建 application.properties 文件,内容如下
#修改tomcat默认端口号
server.port=8090
#配置数据源信息
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/jpastudy
spring.datasource.username=root
spring.datasource.password=1234567
#配置jpa
spring.jpa.hibernate.ddl-auto=update
spring.jpa.show-sql=true
spring.jackson.serialization.indent_output=true
##控制台打印sql
entitiy层
/**
* @Auther: Newbe
* @Date: 2019/9/24 10:34
* @Description:
*/
@Entity
public class User {
@Id
@GeneratedValue(strategy= GenerationType.AUTO)
private Integer id;
private String username;
private String password;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getUserName() {
return username;
}
public void setUserName(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
service 接口层
package com.newbe.service;
import com.newbe.entity.User;
import java.util.List;
import java.util.Optional;
/**
* @Auther: Newbe
* @Date: 2019/9/24 23:48
* @Description:
*/
public interface UserService {
//根据id查询用户
Optional<User> getUserById(Integer id);
//查询所有用户
List<User> getUserAll();
//根据id删除用户
void del(int id);
//更新保存
User save(User user);
}
service impl
package com.newbe.service;
import com.newbe.entity.User;
import com.newbe.repository.UserDAO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
import java.util.Optional;
/**
* @Auther: Newbe
* @Date: 2019/9/24 23:53
* @Description:
*/
@Service
public class UserServiceImpl implements UserService{
@Autowired
private UserDAO userDAO;
@Override
public Optional<User> getUserById(Integer id) {
return userDAO.findById(id);
}
@Override
public List<User> getUserAll() {
return userDAO.findAll();
}
@Override
public void del(int id) {
userDAO.deleteById(id);
}
@Override
public User save(User user) {
userDAO.save(user);
return user;
}
}
controller层
package com.newbe.controller;
import com.newbe.entity.User;
import com.newbe.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;
import java.util.Optional;
/**
* @Auther: Newbe
* @Date: 2019/9/24 23:58
* @Description:
*/
@RestController
public class UserController {
@Autowired
private UserService userService;
@RequestMapping("/findUserById")
public Optional<User> getUserById(int id){
return userService.getUserById(id);
}
@RequestMapping("/findAll")
public List<User> findUserAll(){
return userService.getUserAll();
}
@RequestMapping("/del")
public void del(int id){
userService.del(id);
}
@RequestMapping("/save")
public User save(User user){
return userService.save(user);
}
}
启动类
package com.newbe;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;
/**
* @Auther: Newbe
* @Date: 2019/9/25 00:05
* @Description:
*/
@SpringBootApplication
public class UserApp {
public static void main(String[] args) {
SpringApplication.run(UserApp.class,args);
}
}
项目结构:
以上代码的项目地址:https://gitee.com/fbyluohua/SwaggerStudy.git 以上是源代码,后面直接对源代码进行使用Swagger生成文档
4. 配置Swagger信息
新建config文件夹
SwaggerConfiguration.java
package com.newbe.comfig;
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.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;
@Configuration
@EnableSwagger2
public class SwaggerConfiguration {
@Bean
public Docket createRestApi() {
return new Docket(DocumentationType.SWAGGER_2)
.apiInfo(apiInfo())
.select()
//扫描端口
.apis(RequestHandlerSelectors.basePackage("com.newebe"))
.paths(PathSelectors.any())
.build();
}
private ApiInfo apiInfo() {
return new ApiInfoBuilder()
.title("swagger-bootstrap-ui RESTful APIs")
.description("swagger-bootstrap-ui")
.termsOfServiceUrl("http://localhost:8999/")
.contact("1160285648@mail.com")
.version("1.0")
.build();
}
}
启动项目,在浏览器输入:http://localhost:8090/doc.html
以上表示swagger界面生成成功,接着需要配置注释来生成API文档
5. 添加swagger注解
为controller层添加注解
**
* @Auther: Newbe
* @Date: 2019/9/24 23:58
* @Description:
*/
@Api(value="用户接口",description = "用户信息接口")
@RestController
public class UserController {
@Autowired
private UserService userService;
@ApiOperation(value="根据id获取用户信息",notes="方法备注说明")
@ApiImplicitParams({ @ApiImplicitParam(paramType = "query", dataType = "Integer", name = "id", value = "编号", required = true) })
@RequestMapping(value = "/findUserById", method=RequestMethod.GET )
public Optional<User> getUserById(int id){
return userService.getUserById(id);
}
@ApiOperation(value="查询所有用户信息",notes="方法备注说明")
@RequestMapping(value = "/findAll", method=RequestMethod.GET )
public List<User> findUserAll(){
return userService.getUserAll();
}
@ApiOperation(value="根据id删除用户信息",notes="方法备注说明")
@RequestMapping(value ="/del", method=RequestMethod.GET)
public void del(int id){
userService.del(id);
}
@ApiOperation(value="保存用户信息",notes="方法备注说明")
@RequestMapping(value ="/save",method=RequestMethod.GET)
public User save(User user){
return userService.save(user);
}
}
为实体层添加注解
/**
* @Auther: Newbe
* @Date: 2019/9/24 10:34
* @Description:
*/
@ApiModel(value = "User",description = "用户信息")
@Entity
public class User {
@Id
@GeneratedValue(strategy= GenerationType.AUTO)
@ApiModelProperty(value = "用户ID",name = "id")
private Integer id;
@ApiModelProperty(value = "用户名",name = "userName")
private String username;
@ApiModelProperty(value = "密码",name = "password")
private String password;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getUserName() {
return username;
}
public void setUserName(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
@Override
public String toString() {
return "User{" +
"id=" + id +
", username='" + username + '\'' +
", password='" + password + '\'' +
'}';
}
}
6. 生成API文档
启动项目,在浏览器输入:http://localhost:8090/doc.html
展开用户接口测试接口
测试成功,其他接口也一样这样测试
关于项目代码
7. 关于API接口详解
请参考:https://blog.csdn.net/xiaojin21cen/article/details/78654652