Spring MVC 集成 Swagger
Swagger 是一个API文档生成工具,它支持各种语言,甚至支持在线运行实例。
引入特定的依赖 JAR 包
pom.xml 中添加如下依赖:
<dependency>
<groupId>com.mangofactory</groupId>
<artifactId>swagger-springmvc</artifactId>
<version>1.0.2</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>15.0</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.4.4</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.4.4</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.4.4</version>
</dependency>
添加Swagger配置
这里使用 JavaConfig 的方法配置Swagger, 配置类为 SwaggerConfig
package yay.apidoc.config;
import com.mangofactory.swagger.configuration.SpringSwaggerConfig;
import com.mangofactory.swagger.models.dto.ApiInfo;
import com.mangofactory.swagger.plugin.EnableSwagger;
import com.mangofactory.swagger.plugin.SwaggerSpringMvcPlugin;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
/**
* @author albert
* @version 1.0
* @since JDK 1.7
*/
@Configuration
@EnableSwagger
@EnableWebMvc
public class SwaggerConfig {
private SpringSwaggerConfig springSwaggerConfig;
/**
* Required to autowire SpringSwaggerConfig
*/
@Autowired
public void setSpringSwaggerConfig(SpringSwaggerConfig springSwaggerConfig)
{
this.springSwaggerConfig = springSwaggerConfig;
}
/**
* Every SwaggerSpringMvcPlugin bean is picked up by the swagger-mvc
* framework - allowing for multiple swagger groups i.e. same code base
* multiple swagger resource listings.
*/
@Bean
public SwaggerSpringMvcPlugin customImplementation()
{
return new SwaggerSpringMvcPlugin(this.springSwaggerConfig)
.apiInfo(apiInfo())
.includePatterns(".*");
}
private ApiInfo apiInfo()
{
ApiInfo apiInfo = new ApiInfo(
"Spring MVC Demo",
"Spring MVC 简单示例,依赖于 MySQL 数据库,只有简单的登陆功能。",
"开发者: Albert Chen",
"albert.chen.dao@gmail.com",
"MIT License",
"/LICENSE");
return apiInfo;
}
}
新增一个Controller
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;
}
}
将配置注入到容器
在 DispatcherServlet 的配置 ~servlet.xml 里注入 Swagger 配置对象:
<context:component-scan base-package="yay.apidoc.controller"/>
集成 Swagger-ui界面
然后在 user-servlet.xml 里添加这些静态文件映射:
<mvc:resources mapping="/swagger/**" location="/WEB-INF/swagger-ui/"/>
使用Swagger特定注解
Swagger 包含了一些特定的注解,可以更好的显示API,比如:
@API
表示一个开放的API,可以通过description简要描述该API的功能,一般和 Spring 的@Controller
一起。在一个
@API
下,可有多个@ApiOperation
,表示针对该API的CRUD操作。在ApiOperation Annotation中可以通过value,notes描述该操作的作用,response描述正常情况下该请求的返回对象类型。在一个ApiOperation下,可以通过ApiResponses描述该API操作可能出现的异常情况。
@ApiParam
用于描述该API操作接受的参数类型@ApiModel
用来描述封装的参数对象与返回的参数对象@ApiModelProperty
描述ApiModel的属性
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