Spring 4.2.2以上版本和swagger集成方案和踩过的坑

因为公司使用的spring版本太高，在集成swagger的时候会存在一些问题，而网上的很多实例大多都是版本比较低的，为了是朋友们少才坑，我这边将集成的过程记录一下：

1. 引入spring、swagger的相关jar包（springfox-swagger2、springfox-swagger-ui），在pom.xml中配置：

<dependency>
		    <groupId>io.springfox</groupId>
		    <artifactId>springfox-swagger2</artifactId>
		    <version>2.4.0</version>
		    <exclusions>
				<exclusion>
					<groupId>org.springframework</groupId>
					<artifactId>spring-core</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.springframework</groupId>
					<artifactId>spring-beans</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.springframework</groupId>
					<artifactId>spring-context</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.springframework</groupId>
					<artifactId>spring-context-support</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.springframework</groupId>
					<artifactId>spring-aop</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.springframework</groupId>
					<artifactId>spring-tx</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.springframework</groupId>
					<artifactId>spring-orm</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.springframework</groupId>
					<artifactId>spring-jdbc</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.springframework</groupId>
					<artifactId>spring-web</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.springframework</groupId>
					<artifactId>spring-webmvc</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.springframework</groupId>
					<artifactId>spring-oxm</artifactId>
				</exclusion>
		    </exclusions>
		</dependency>
		<dependency>
		    <groupId>io.springfox</groupId>
		    <artifactId>springfox-swagger-ui</artifactId>
		    <version>2.4.0</version>
		</dependency>

提醒：特别注意，springfox-swagger2在集成的时候，已经引入了spring的相关jar，特别是spring-context、spring-context-support的版本和项目中使用的版本完全不一致，项目在启动的时候出现很多包冲突的问题，这边在引入pom.xml文件的时候过滤掉了spring的相关jar包，如绿色标志。

2. 编写Swagger的配置类：

package com.ml.honghu.swagger.web;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;

import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
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;

@EnableWebMvc
@EnableSwagger2
@Configuration
@ComponentScan(basePackages ={"com.ml.honghu.**.rest"})
public class SwaggerConfig {
	@Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.ml.honghu"))
                .paths(PathSelectors.any())
                .build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("接口列表 v1.0")
                .description("接口信息")
                .termsOfServiceUrl("http://honghu.com")
                .contact(new Contact("", "", "HongHu"))
                .version("1.1.0")
                .build();
    }
}

提醒：注意红色标注的地方

3. 在spring-mvc.xml文件中进行过滤器的配置，过滤掉swagger的相关访问配置：

<mvc:exclude-mapping path="/swagger*/**"/>
<mvc:exclude-mapping path="/v2/**"/>
<mvc:exclude-mapping path="/webjars/**"/>

4. 服务配置项

@Api("区域服务")
@RestController
@RequestMapping(value = "/rest/area")
public class AreaService  {

	@Autowired
	private AreaService areaService;
	
	@ApiOperation(value = "区域列表", httpMethod = "GET", notes = "区域列表")
	@IsLogin
	@ResponseBody
	@RequestMapping(value = "treeData", method = RequestMethod.GET)
	public List<Map<String, Object>> treeData(
			@ApiParam(required = true, value = "区域ID")  @RequestParam(required=false) String extId, HttpServletResponse response) {
		List<Map<String, Object>> mapList = Lists.newArrayList();
		List<Area> list = areaService.findAll();
		for (int i=0; i<list.size(); i++){
			Area e = list.get(i);
			if (StringUtils.isBlank(extId) || (extId!=null && !extId.equals(e.getId()) && e.getParentIds().indexOf(","+extId+",")==-1)){
				Map<String, Object> map = Maps.newHashMap();
				map.put("id", e.getId());
				map.put("pId", e.getParentId());
				map.put("name", e.getName());
				mapList.add(map);
			}
		}
		return mapList;
	}
}

4. 启动项目，查看结果：

到此结束！！

Spring 4.2.2以上版本和swagger集成方案和踩过的坑

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