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Swagger+ springfox +Spring mvc

时间:2017-09-20 14:50:00      阅读:253      评论:0      收藏:0      [点我收藏+]

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简介

Swagger 是一个规范和完整的框架,用于生成、描述、调用和可视化 RESTful 风格的 Web 服务。总体目标是使客户端和文件系统作为服务器以同样的速度来更新。文件的方法,参数和模型紧密集成到服务器端的代码,允许API来始终保持同步。Swagger 让部署管理和使用功能强大的API从未如此简单。
这一次我将从零开始搭建一个工程来演示如何在Spring mvc中整合Swagger生成Restful接口文档。

新建工程

我们新建一个Maven工程,并添加Web Facet,工程结构如下图所示:

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添加Maven依赖

 <properties>
        <spring.version>4.1.7.RELEASE</spring.version>
        <version.jackson>2.4.4</version.jackson>
        <swagger.version>2.2.2</swagger.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>com.mangofactory</groupId>
            <artifactId>swagger-springmvc</artifactId>
            <version>1.0.2</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>${version.jackson}</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>${version.jackson}</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>${version.jackson}</version>
        </dependency>
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>${swagger.version}</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
        </dependency>
        <!--petstore是官方的一个demo,加入此依赖是为了稍后参考接口描述的编写-->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-petstore</artifactId>
            <version>${swagger.version}</version>
        </dependency>

    </dependencies>

添加配置

添加一个ApplicationInitializer类,用于配置DispatchServlet启动:

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在工程中的resources文件夹下新建一个spring的文件夹,并新建一个dispatcher-servlet.xml的spring mvc配置文件,添加如下内容:

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添加一个SwaggerConfig类,用于配置Swagger接口的说明:

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新建Controller

新建一个GroupController,并编写测试方法:

    package yay.apidoc.controller;

    import io.swagger.annotations.*;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestBody;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RequestMethod;
    import yay.apidoc.model.UamGroup;

    import java.util.LinkedList;
    import java.util.List;

    /**
     * Created by yuananyun on 2015/11/23.
     */
    @Controller
    @RequestMapping(value = "/group", produces = {"application/json;charset=UTF-8"})
    @Api(value = "/group", description = "群组的相关操作")
    public class GroupController {
        @RequestMapping(value = "addGroup", method = RequestMethod.PUT)
        @ApiOperation(notes = "addGroup", httpMethod = "POST", value = "添加一个新的群组")
        @ApiResponses(value = {@ApiResponse(code = 405, message = "invalid input")})
        public UamGroup addGroup(@ApiParam(required = true, value = "group data") @RequestBody UamGroup group) {
            return group;
        }

        @RequestMapping(value = "getAccessibleGroups", method = RequestMethod.GET)
        @ApiOperation(notes = "getAccessibleGroups", httpMethod = "GET", value = "获取我可以访问的群组的列表")
        public List<UamGroup> getAccessibleGroups() {
            UamGroup group1 = new UamGroup();
            group1.setGroupId("1");
            group1.setName("testGroup1");

            UamGroup group2 = new UamGroup();
            group2.setGroupId("2");
            group2.setName("testGroup2");

            List<UamGroup> groupList = new LinkedList<UamGroup>();
            groupList.add(group1);
            groupList.add(group2);

            return groupList;
        }
    }

其中UamGroup的定义如下:

    package yay.apidoc.model;
    import io.swagger.annotations.ApiModel;
    import io.swagger.annotations.ApiModelProperty;

    /**
     * 群组
     */
    @ApiModel
    public class UamGroup {
        /**
         * 编号
         */
        @ApiModelProperty(value = "群组的Id", required = true)
        private String groupId;
        /**
         * 名称
         */
        @ApiModelProperty(value = "群组的名称", required = true)
        private String name;
        /**
         * 群组图标
         */
        @ApiModelProperty(value = "群组的头像", required = false)
        private String icon;

        public String getGroupId() {
            return groupId;
        }

        public void setGroupId(String groupId) {
            this.groupId = groupId;
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public String getIcon() {
            return icon;
        }

        public void setIcon(String icon) {
            this.icon = icon;
        }
    }

好,目前为止我们的代码已经编写完成,整个工程的目录结构如下:

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为了让Swagger能够扫描Spring mvc中定义的Controller,我们需要在mvc的配置文件里面定义扫描的路径和相关的bean:

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添加Swagger ui

在GitHub上下载SwaggerUI项目,将dist下所有内容拷贝到本地项目apidoc/web下面,结果目录如下图所示:

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打开目录下的index.html文件,找到代码片段url = "http://petstore.swagger.io/v2/swagger.json";修改为“/apidoc/v2/api-docs”。
为了让网页显示中文,我们可以取消注释以下脚本:

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为了能够访问index.html页面,我们在dispatcher-servlet.xml中添加如下配置:

        <!-- Enables swgger ui-->
        <mvc:resources mapping="*.html" location="/"/>
        <mvc:resources mapping="/**" location="/"/>

好,现在我们启动tomcat来看看效果:

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解决中文乱码

可以看到,我们写在方法上说明居然成了乱码,为了解决这个问题,我们新建一个转换类:

    package yay.apidoc.converter;
    import com.fasterxml.jackson.annotation.JsonInclude;
    import com.fasterxml.jackson.databind.*;
    import org.springframework.http.HttpInputMessage;
    import org.springframework.http.converter.HttpMessageNotReadableException;
    import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;

    import java.io.IOException;
    import java.text.SimpleDateFormat;

    /**
     * Created by yuananyun on 2015/11/23.
     */
    public class MappingJacksonHttpMessageConverterEx extends MappingJackson2HttpMessageConverter {
        private ObjectMapper objectMapper = new ObjectMapper();

        public MappingJacksonHttpMessageConverterEx() {
            super();
            DeserializationConfig deserializationConfig = objectMapper.getDeserializationConfig()
                    .without(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
            objectMapper.setConfig(deserializationConfig);
            // Configure serialization
            SerializationConfig serializationConfig = objectMapper.getSerializationConfig()
                    .without(SerializationFeature.FAIL_ON_EMPTY_BEANS);
            //serializationConfig.withDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
            objectMapper.setConfig(serializationConfig);
            objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));

            objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
    //        objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, true);
            objectMapper.configure(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS,true);

            setObjectMapper(objectMapper);
        }

        @Override
        protected Object readInternal(Class<?> clazz, HttpInputMessage inputMessage)
                throws IOException, HttpMessageNotReadableException {
            JavaType javaType = getJavaType(null, clazz);
            return this.objectMapper.readValue(inputMessage.getBody(), javaType);
        }
    }

然后修改dispatcher-servlet.xml中的mvc:annotation-driven配置节:

        <!-- Standard xml based mvc config-->
        <mvc:annotation-driven>
            <mvc:message-converters>
                <bean class="org.springframework.http.converter.StringHttpMessageConverter">
                    <property name="supportedMediaTypes">
                        <list>
                            <value>text/html;charset=UTF-8</value>
                        </list>
                    </property>
                </bean>
                <bean class="yay.apidoc.converter.MappingJacksonHttpMessageConverterEx"/>
                <bean class="org.springframework.http.converter.ResourceHttpMessageConverter"/>
            </mvc:message-converters>
        </mvc:annotation-driven>

我们再来看看效果:

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最后提供本次源码下载:
http://files.cnblogs.com/files/yuananyun/Swagger%E4%B8%8ESpring%E7%BB%93%E5%90%88%E7%94%9F%E6%88%90Restful%E6%8E%

Swagger+ springfox +Spring mvc

标签:produce   time   create   java   查看   页面   依赖   store   解决   

原文地址:http://www.cnblogs.com/justuntil/p/7560613.html

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