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  • springboot入门系列(二):SpringBoot整合Swagger

    上一篇《简单搭建SpringBoot项目》讲了简单的搭建SpringBoot 项目,而 SpringBoot 和 Swagger-ui 搭配在持续交付的前后端开发中意义重大,Swagger 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,对调用方而言非常直观,接口也可以点击try it out!按钮 进行调试,在实际开发中大大增加了开发效率。点击可了解更多 swagger 相关信息swagger-ui官网

    pom.xml中增加:

            <!-- Swagger -->
            <dependency>
                <groupId>io.springfox</groupId>
                <artifactId>springfox-swagger2</artifactId>
                <version>2.6.1</version>
            </dependency>
            <dependency>
                <groupId>io.springfox</groupId>
                <artifactId>springfox-swagger-ui</artifactId>
                <version>2.5.0</version>
            </dependency>
    

    SwaggerConfig.java:

    package com.example.swagger;
    
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.web.context.request.async.DeferredResult;
    import springfox.documentation.builders.ApiInfoBuilder;
    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;
    
    import static springfox.documentation.builders.PathSelectors.regex;
    
    /**
     * Created by shuai on 2017/5/22.
     */
    @Configuration
    @EnableSwagger2
    public class SwaggerConfig {
    
        /**
         * 可以定义多个组,比如本类中定义把test和demo区分开了
         */
        @Bean
        public Docket testApi() {
            return new Docket(DocumentationType.SWAGGER_2)
                    .groupName("test")
                    .genericModelSubstitutes(DeferredResult.class)
    //                .genericModelSubstitutes(ResponseEntity.class)
                    .useDefaultResponseMessages(false)
                    .forCodeGeneration(true)
                    .pathMapping("/")// base,最终调用接口后会和paths拼接在一起
                    .select()
                    .paths((regex("/api/test/.*")))//过滤的接口
                    .build()
                    .apiInfo(testApiInfo());
        }
    
        @Bean
        public Docket demoApi() {
            return new Docket(DocumentationType.SWAGGER_2)
                    .groupName("demo")
                    .genericModelSubstitutes(DeferredResult.class)
    //              .genericModelSubstitutes(ResponseEntity.class)
                    .useDefaultResponseMessages(false)
                    .forCodeGeneration(false)
                    .pathMapping("/")
                    .select()
                    .paths((regex("/api/demo/.*")))//过滤的接口
                    .build()
                    .apiInfo(demoApiInfo());
        }
    
        private ApiInfo testApiInfo() {
            return new ApiInfoBuilder()
                    .title("Test 类型 API")//大标题
                    .description("这是 Test 类型 API 描述")//详细描述
                    .version("1.0")//版本
                    .termsOfServiceUrl("NO terms of service")
                    .contact(new Contact("shuai", "http://www.jianshu.com/u/07b9ae164f95", "1119386572@qq.com"))//作者
                    .license("The Apache License, Version 2.0")
                    .licenseUrl("http://www.apache.org/licenses/LICENSE-2.0.html")
                    .build();
        }
    
        private ApiInfo demoApiInfo() {
            return new ApiInfoBuilder()
                    .title("Demo 类型 API")//大标题
                    .description("这是 Demo 类型 API 描述")//详细描述
                    .version("1.0")//版本
                    .termsOfServiceUrl("NO terms of service")
                    .contact(new Contact("shuai", "http://www.jianshu.com/u/07b9ae164f95", "1119386572@qq.com"))//作者
                    .license("The Apache License, Version 2.0")
                    .licenseUrl("http://www.apache.org/licenses/LICENSE-2.0.html")
                    .build();
        }
    }
    

    此时启动 SpringBoot 工程,在浏览器输入 http://localhost:8080/swagger-ui.html 即可看见:

    Swagger-ui效果图

    在 SwaggerConfig.java 文件中配置了扫描接口的路径,只有符合标准的接口才会显示出来,

    常见swagger注解一览与使用
    • 最常用的5个注解
      @Api:修饰整个类,描述Controller的作用
      @ApiOperation:描述一个类的一个方法,或者说一个接口
      @ApiParam:单个参数描述
      @ApiModel:用对象来接收参数
      @ApiProperty:用对象接收参数时,描述对象的一个字段
    • 其它若干
      @ApiResponse:HTTP响应其中1个描述
      @ApiResponses:HTTP响应整体描述
      @ApiIgnore:使用该注解忽略这个API

    下面创建符合规范的接口:
    TestController.java:

    package com.example.controller;
    
    import io.swagger.annotations.ApiOperation;
    import io.swagger.annotations.ApiParam;
    import org.springframework.http.MediaType;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RequestMethod;
    import org.springframework.web.bind.annotation.RequestParam;
    import org.springframework.web.bind.annotation.ResponseBody;
    
    /**
     * Created by shuai on 2017/5/22.
     */
    @Controller
    @RequestMapping("/api/test")
    public class TestController {
    
        @ResponseBody
        @RequestMapping(value = "/user", method= RequestMethod.POST, produces= MediaType.APPLICATION_JSON_VALUE)
        @ApiOperation(value="获取user", notes="根据id获取User的接口")
        public String getUser(
                @ApiParam(required=true, name="id", value="主键id") @RequestParam(name = "id", required=true) String id
                ){
            return "success";
        }
    }
    
    

    当对象作为入参时,需要创建一个对象,对象中要用到上面提到的@ApiModel @ApiModelProperty 等注解:
    UserVo.java:

    package com.example.vo;
    
    import io.swagger.annotations.ApiModel;
    import io.swagger.annotations.ApiModelProperty;
    
    /**
     * Created by shuai on 2017/5/22.
     */
    @ApiModel(description = "用户的对象")
    public class UserVo {
    
        @ApiModelProperty("姓名")
        private String name;
    
        @ApiModelProperty("年龄")
        private Integer age;
    
        @ApiModelProperty("性别")
        private String sex;
        
        //
        Get And Set Method...()
    
    

    DemoController.java:

    package com.example.controller;
    
    import com.example.vo.UserVo;
    import io.swagger.annotations.ApiOperation;
    import io.swagger.annotations.ApiParam;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.http.HttpHeaders;
    import org.springframework.http.HttpStatus;
    import org.springframework.http.ResponseEntity;
    import org.springframework.stereotype.Controller;
    import org.springframework.ui.ModelMap;
    import org.springframework.web.bind.annotation.*;
    import springfox.documentation.annotations.ApiIgnore;
    
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import javax.servlet.http.HttpSession;
    import java.util.ArrayList;
    import java.util.List;
    
    /**
     * Created by shuai on 2017/5/21.
     */
    @Controller
    @RequestMapping(value = "/api/demo")
    public class DemoController {
    
        @ResponseBody
        @RequestMapping(value = "/getUser", method = RequestMethod.POST)
        @ApiOperation(value="测试getUser", notes="getUser详细说明", response = UserVo.class)
        public UserVo getCount(
                @ApiParam( required = true, name = "user", value = "入参为User对象") @RequestBody UserVo user
        ) {
            return user;
        }
    
    }
    
    

    这样一个简单的 SpringBoot 和Swagger-ui 结合的工程就完成了,下面启动运行:

    启动后 swagger-ui 的效果图

    github地址:Spring Boot 教程、技术栈、示例代码

    扫码关注公众号:java之旅

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  • 原文地址:https://www.cnblogs.com/chinaxieshuai/p/12626989.html
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