Spring Boot启用Swagger2
Spring Boot启用Swagger2
Swagger2是一个开源项目，用于为RESTful Web服务生成REST API文档。 它提供了一个用户界面，可通过Web浏览器访问RESTful Web服务。
要在Spring Boot应用程序中启用Swagger2，需要在构建配置文件中添加以下依赖项。
<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>
对于Gradle用户，请在build.gradle 文件中添加以下依赖项。
compile group: 'io.springfox', name: 'springfox-swagger2', version: '2.7.0' compile group: 'io.springfox', name: 'springfox-swagger-ui', version: '2.7.0'
现在，在主Spring Boot应用程序中添加@EnableSwagger2注释。 @EnableSwagger2注释用于为Spring Boot应用程序启用Swagger2。
主Spring Boot应用程序的代码如下所示 -
package com.zyiz.swaggerdemo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import springfox.documentation.swagger2.annotations.EnableSwagger2;
@SpringBootApplication
@EnableSwagger2
public class SwaggerDemoApplication {
public static void main(String[] args) {
SpringApplication.run(SwaggerDemoApplication.class, args);
}
}
接下来，创建Docket Bean以为Spring Boot应用程序配置Swagger2。需要定义一个基础包来为Swagger2配置REST API。
@Bean
public Docket productApi() {
return new Docket(DocumentationType.SWAGGER_2).select()
.apis(RequestHandlerSelectors.basePackage("com.zyiz.swaggerdemo")).build();
}
现在，在主Spring Boot应用程序类文件中添加这个bean，主Spring Boot应用程序类看起来如下所示 -
package com.zyiz.swaggerdemo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;
@SpringBootApplication
@EnableSwagger2
public class SwaggerDemoApplication {
public static void main(String[] args) {
SpringApplication.run(SwaggerDemoApplication.class, args);
}
@Bean
public Docket productApi() {
return new Docket(DocumentationType.SWAGGER_2).select()
.apis(RequestHandlerSelectors.basePackage("com.zyiz.swaggerdemo")).build();
}
}
现在，在构建配置文件中添加以下Spring Boot Starter Web依赖项以编写REST端点，如下所示 -
Maven用户可以在pom.xml 文件中添加以下依赖项 -
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency>
Gradle用户可以在build.gradle 文件中添加以下依赖项 -
compile('org.springframework.boot:spring-boot-starter-web')
现在，这里显示了在Rest Controller文件中构建两个简单的RESTful Web服务GET和POST的代码 -
package com.zyiz.swaggerdemo;
import java.util.ArrayList;
import java.util.List;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class SwaggerAPIController {
@RequestMapping(value = "/products", method = RequestMethod.GET)
public List<String> getProducts() {
List<String> productsList = new ArrayList<>();
productsList.add("Honey");
productsList.add("Almond");
return productsList;
}
@RequestMapping(value = "/products", method = RequestMethod.POST)
public String createProduct() {
return "Product is saved successfully";
}
}
完整的构建配置文件如下 -
Maven构建文件 - pom.xml 代码如下:
<?xml version = "1.0" encoding = "UTF-8"?>
<project xmlns = "http://maven.apache.org/POM/4.0.0"
xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation = "http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.zyiz</groupId>
<artifactId>swagger-demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>swagger-demo</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.9.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>
<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>
<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>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
Gradle构建文件 - build.gradle -
buildscript {
ext {
springBootVersion = '1.5.9.RELEASE'
}
repositories {
mavenCentral()
}
dependencies {
classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
}
}
apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'org.springframework.boot'
group = 'com.zyiz'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = 1.8
repositories {
mavenCentral()
} dependencies {
compile('org.springframework.boot:spring-boot-starter-web')
testCompile('org.springframework.boot:spring-boot-starter-test')
compile group: 'io.springfox', name: 'springfox-swagger2', version: '2.7.0'
compile group: 'io.springfox', name: 'springfox-swagger-ui', version: '2.7.0'
}
可以创建可执行的JAR文件，并使用以下Maven或Gradle命令运行Spring Boot应用程序。
对于Maven，可以使用以下命令 -
mvn clean install
在“BUILD SUCCESS”之后，可以在target目录下找到JAR文件。
对于Gradle，可以使用此命令 -
gradle clean build
在“BUILD SUCCESSFUL”之后，可以在build/libs目录下找到JAR文件。
现在，使用命令运行JAR文件 -
java –jar <JARFILE>
现在，应用程序将在Tomcat端口8080上启动。
现在，在Web浏览器URL => http://localhost:8080/swagger-ui.html , 并查看Swagger API功能，结果如下所示：
目录
