springmvc使用swagger生成rest api文档

pom.xml

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

ApiConfig.java

package com.geostar.gfstack.operationcenter.core.common.util;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import springfox.documentation.builders.PathSelectors;
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;

@Configuration //必须存在
@EnableSwagger2 //必须存在
@EnableWebMvc //必须存在
public class ApiConfig {

    @Bean
    public Docket customDocket() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(GeoRequestHandlerSelectors.basePackage("com.geostar.gfstack.operationcenter.cloudform.action"))
                .paths(PathSelectors.any())
                .build()
                .useDefaultResponseMessages(false);
    }

    private ApiInfo apiInfo() {
        Contact contact = new Contact("武大吉奥", "http://www.geostar.com.cn/", "techsupport@geostar.com.cn");
        return new ApiInfo("综合运维管理系统API接口",//大标题 title
                "综合运维管理系统API接口",//小标题
                "1.8.2.0",//版本
                "http://www.geostar.com.cn/",//termsOfServiceUrl
                contact,//作者
                "武大吉奥",//链接显示文字
                "http://www.geostar.com.cn/"//网站链接
        );
    }

}

确保ApiConfig在spring扫描范围内

GeoRequestHandlerSelectors.java

package com.geostar.gfstack.operationcenter.core.common.util;

import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import org.springframework.core.annotation.AnnotationUtils;
import springfox.documentation.RequestHandler;

import java.lang.annotation.Annotation;

public class GeoRequestHandlerSelectors {
    private GeoRequestHandlerSelectors() {
        throw new UnsupportedOperationException();
    }

    /**
     * Any RequestHandler satisfies this condition
     *
     * @return predicate that is always true
     */
    public static Predicate<RequestHandler> any() {
        return Predicates.alwaysTrue();
    }

    /**
     * No RequestHandler satisfies this condition
     *
     * @return predicate that is always false
     */
    public static Predicate<RequestHandler> none() {
        return Predicates.alwaysFalse();
    }

    /**
     * Predicate that matches RequestHandler with handlers methods annotated with given annotation
     *
     * @param annotation - annotation to check
     * @return this
     */
    public static Predicate<RequestHandler> withMethodAnnotation(final Class<? extends Annotation> annotation) {
        return new Predicate<RequestHandler>() {
            @Override
            public boolean apply(RequestHandler input) {
                return null != AnnotationUtils.findAnnotation(input.getHandlerMethod().getMethod(), annotation);
            }
        };
    }

    /**
     * Predicate that matches RequestHandler with given annotation on the declaring class of the handler method
     *
     * @param annotation - annotation to check
     * @return this
     */
    public static Predicate<RequestHandler> withClassAnnotation(final Class<? extends Annotation> annotation) {
        return new Predicate<RequestHandler>() {
            @Override
            public boolean apply(RequestHandler input) {
                return declaringClass(input).isAnnotationPresent(annotation);
            }
        };
    }

    /**
     * Predicate that matches RequestHandler with given base package name for the class of the handler method.
     * This predicate includes all request handlers matching the provided basePackage
     *
     * @param basePackage - base package of the classes
     * @return this
     */
    public static Predicate<RequestHandler> basePackage(final String... basePackage) {
        return new Predicate<RequestHandler>() {
            @Override
            public boolean apply(RequestHandler input) {
                String name = declaringClass(input).getPackage().getName();
                for (String _package : basePackage) {
                    if (name.startsWith(_package)) {
                        return true;
                    }
                }
                return false;
            }
        };
    }

    private static Class<?> declaringClass(RequestHandler input) {
        return input.getHandlerMethod().getMethod().getDeclaringClass();
    }
}

下载前端资源文件

https://github.com/swagger-api/swagger-ui/archive/v2.2.10.zip

备用地址：https://files.cnblogs.com/files/nihaorz/swagger-ui-2.2.10.zip

解压zip文件，拷贝dist到WebRoot下重命名为api，修改api目录下的index.html为如下内容

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta http-equiv="x-ua-compatible" content="IE=edge">
    <title>Swagger UI</title>
    <link rel="icon" type="image/png" href="images/favicon-32x32.png" sizes="32x32"/>
    <link rel="icon" type="image/png" href="images/favicon-16x16.png" sizes="16x16"/>
    <link href='css/typography.css' media='screen' rel='stylesheet' type='text/css'/>
    <link href='css/reset.css' media='screen' rel='stylesheet' type='text/css'/>
    <link href='css/screen.css' media='screen' rel='stylesheet' type='text/css'/>
    <link href='css/reset.css' media='print' rel='stylesheet' type='text/css'/>
    <link href='css/print.css' media='print' rel='stylesheet' type='text/css'/>

    <script src='lib/object-assign-pollyfill.js' type='text/javascript'></script>
    <script src='lib/jquery-1.8.0.min.js' type='text/javascript'></script>
    <script src='lib/jquery.slideto.min.js' type='text/javascript'></script>
    <script src='lib/jquery.wiggle.min.js' type='text/javascript'></script>
    <script src='lib/jquery.ba-bbq.min.js' type='text/javascript'></script>
    <script src='lib/handlebars-4.0.5.js' type='text/javascript'></script>
    <script src='lib/lodash.min.js' type='text/javascript'></script>
    <script src='lib/backbone-min.js' type='text/javascript'></script>
    <script src='swagger-ui.js' type='text/javascript'></script>
    <script src='lib/highlight.9.1.0.pack.js' type='text/javascript'></script>
    <script src='lib/highlight.9.1.0.pack_extended.js' type='text/javascript'></script>
    <script src='lib/jsoneditor.min.js' type='text/javascript'></script>
    <script src='lib/marked.js' type='text/javascript'></script>
    <script src='lib/swagger-oauth.js' type='text/javascript'></script>

    <!-- Some basic translations -->
    <!-- <script src='lang/translator.js' type='text/javascript'></script> -->
    <!-- <script src='lang/ru.js' type='text/javascript'></script> -->
    <!-- <script src='lang/en.js' type='text/javascript'></script> -->
    <script src='lang/translator.js' type='text/javascript'></script>
    <script src='lang/zh-cn.js' type='text/javascript'></script>

    <script type="text/javascript">

        function getRootPath() {
            //获取当前网址，如： http://localhost:8083/uimcardprj/share/meun.jsp
            var curWwwPath = window.document.location.href;
            //获取主机地址之后的目录，如： uimcardprj/share/meun.jsp
            var pathName = window.document.location.pathname;
            var pos = curWwwPath.indexOf(pathName);
            //获取主机地址，如： http://localhost:8083
            var localhostPaht = curWwwPath.substring(0, pos);
            //获取带"/"的项目名，如：/uimcardprj
            var projectName = pathName.substring(0, pathName.substr(1).indexOf('/') + 1);
            return (localhostPaht + projectName);
        }

        function extend(obj) {
            var flag = $(obj).data("flag");
            if (flag == undefined) {
                flag = true;
            }
            if (flag) {
                swaggerUi.collapseAll();
                $(obj).html("恢复默认");
            } else {
                swaggerUi.load()
            }
            $(obj).data("flag", !flag)
        }

        $(function () {

            $("#logo").attr("href", getRootPath() + "/api");

            var url = window.location.search.match(/url=([^&]+)/);
            if (url && url.length > 1) {
                url = decodeURIComponent(url[1]);
            } else {
                url = getRootPath() + "/v2/api-docs";
            }

            hljs.configure({
                highlightSizeThreshold: 5000
            });

            // Pre load translate...
            if (window.SwaggerTranslator) {
                window.SwaggerTranslator.translate();
            }
            window.swaggerUi = new SwaggerUi({
                apisSorter: "alpha", // can also be a function
                operationsSorter: "alpha", // can also be 'alpha' or a function
                url: url,
                dom_id: "swagger-ui-container",
                supportedSubmitMethods: ['get', 'post', 'put', 'delete', 'patch'],
                onComplete: function (swaggerApi, swaggerUi) {
                    if (typeof initOAuth == "function") {
                        initOAuth({
                            clientId: "your-client-id",
                            clientSecret: "your-client-secret-if-required",
                            realm: "your-realms",
                            appName: "your-app-name",
                            scopeSeparator: " ",
                            additionalQueryStringParams: {}
                        });
                    }

                    if (window.SwaggerTranslator) {
                        window.SwaggerTranslator.translate();
                    }
                    $("#api_info .info_license").after("<div style='text-align:right;'><a target='_self' href='javascript:;' onclick='extend(this);'>全部折叠</a></div>");
                },
                onFailure: function (data) {
                    log("Unable to Load SwaggerUI");
                },
                docExpansion: "list",
                jsonEditor: false,
                defaultModelRendering: 'schema',
                showRequestHeaders: false,
                showOperationIds: false,
                validatorUrl: null
            });

            window.swaggerUi.load();

            function log() {
                if ('console' in window) {
                    console.log.apply(console, arguments);
                }
            }
        });
    </script>
</head>

<body class="swagger-section">
<div id='header'>
    <div class="swagger-ui-wrap">
        <a id="logo" href="http://swagger.io"><img class="logo__img" alt="swagger" height="30" width="30"
                                                   src="images/logo_small.png"/><span class="logo__title">swagger</span></a>
        <form id='api_selector'>
            <div class='input'><input placeholder="http://example.com/api" id="input_baseUrl" name="baseUrl"
                                      type="text"/></div>
            <div id='auth_container'></div>
            <div class='input'><a id="explore" class="header__btn" href="#" data-sw-translate>Explore</a></div>
        </form>
    </div>
</div>

<div id="message-bar" class="swagger-ui-wrap" data-sw-translate>&nbsp;</div>
<div id="swagger-ui-container" class="swagger-ui-wrap"></div>
</body>
</html>

部署项目即可开始使用swagger

参照：

https://github.com/swagger-api/swagger-ui/tree/v2.2.10

https://springfox.github.io/springfox/docs/current/