SpringBoot1使用Swagger2例子

╰+攻爆jí腚メ 2022-05-18 06:52 155阅读 0赞

本文使用Spring Boot1.5.8版本，代码下载地址：  
[SpringBoot1使用Swagger2例子][SpringBoot1_Swagger2]

最终项目目录如下图所示：  
![这里写图片描述][70]

# 新建Maven工程 #

pom.xml文件如下：

<?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.wu.demo.springboot</groupId>
        <artifactId>swaggerdemo</artifactId>
        <version>1.0-SNAPSHOT</version>
        <packaging>jar</packaging>
    
        <name>springboot</name>
        <description>Demo project for Spring Boot</description>
    
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>1.5.8.RELEASE</version>
            <relativePath/> 
        </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</artifactId>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </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>

# 创建Application #

package com.wu.demo.springboot.swaggerdemo;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    
    @SpringBootApplication
    public class Application {
    
        public static void main(String[] args) {
            SpringApplication.run(Application.class, args);
        }
    }

# 创建User实体 #

package com.wu.demo.springboot.swaggerdemo.bean;
    
    public class User {
    
        private Long id;
        private String name;
        private Integer age;
        //此处节省篇幅，省略了get/set。
    }

# 创建Swagger2 #

package com.wu.demo.springboot.swaggerdemo.conf;
    
    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 Swagger2 {
    
        @Bean
        public Docket createRestApi() {
            return new Docket(DocumentationType.SWAGGER_2)
                    .apiInfo(apiInfo())
                    .select()
                    .apis(RequestHandlerSelectors.basePackage("com.wu.demo.springboot.swaggerdemo"))
                    .paths(PathSelectors.any())
                    .build();
        }
    
        private ApiInfo apiInfo() {
            return new ApiInfoBuilder()
                    .title("springboot利用swagger构建api文档")
                    .description("简单优雅的restfun风格")
                    .version("1.0")
                    .build();
        }
    }

# 创建UserController #

package com.wu.demo.springboot.swaggerdemo.web;
    
    import com.wu.demo.springboot.swaggerdemo.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.*;
    
    @RestController
    @RequestMapping(value = "/user")
    public class UserController { 
    
        static Map<Long, User> users = Collections.synchronizedMap(new HashMap<Long, User>());
    
        @ApiOperation(value="获取用户列表", notes="")
        @RequestMapping(value={
       ""}, method=RequestMethod.GET)
        public List<User> getUserList() {
            List<User> r = new ArrayList<User>(users.values());
            return r;
        }
    
        @ApiOperation(value="创建用户", notes="根据User对象创建用户")
        @ApiImplicitParam(name = "user", value = "用户详细实体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="获取用户详细信息", notes="根据url的id来获取用户详细信息")
        @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long", paramType = "path")
        @RequestMapping(value="/{id}", method=RequestMethod.GET)
        public User getUser(@PathVariable Long id) {
            return users.get(id);
        }
    
        @ApiOperation(value="更新用户详细信息", notes="根据url的id来指定更新对象，并根据传过来的user信息来更新用户详细信息")
        @ApiImplicitParams({
                @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long", paramType = "path"),
                @ApiImplicitParam(name = "user", value = "用户详细实体user", required = true, dataType = "User")
        })
        @RequestMapping(value="/{id}", method=RequestMethod.PUT)
        public String putUser(@PathVariable Long id, @RequestBody User user) {
            User u = users.get(id);
            u.setName(user.getName());
            u.setAge(user.getAge());
            users.put(id, u);
            return "success";
        }
    
        @ApiOperation(value="删除用户", notes="根据url的id来指定删除对象")
        @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long", paramType = "path")
        @RequestMapping(value="/{id}", method=RequestMethod.DELETE)
        public String deleteUser(@PathVariable Long id) {
            users.remove(id);
            return "success";
        }
    }

通过Application启动后，浏览器访问[http://localhost:8080/swagger-ui.html][http_localhost_8080_swagger-ui.html]，即可看到测试页面，可以对UserController的每个方法进行测试。  
参考资料：[Spring Boot中使用Swagger2构建强大的RESTful API文档][Spring Boot_Swagger2_RESTful API]

[SpringBoot1_Swagger2]: https://download.csdn.net/download/wu_boy/10574411
[70]: /images/20220518/4fab2b16917340e6bef290c82ff2c287.png
[http_localhost_8080_swagger-ui.html]: http://localhost:8080/swagger-ui.html
[Spring Boot_Swagger2_RESTful API]: http://blog.didispace.com/springbootswagger2/