SpringBoot整合Swagger2

一、依赖

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

二、Swagger配置类

其实这个配置类,只要了解具体能配置哪些东西就好了,毕竟这个东西配置一次之后就不用再动了。 特别要注意的是里面配置了api文件也就是controller包的路径,不然生成的文档扫描不到接口。

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package com.jlb.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger.web.ApiKeyVehicle;
import springfox.documentation.swagger.web.SecurityConfiguration;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

/**
* Description:
*
* @author 梦里故园
* @date 2017-11-23 14:25
*/
@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
* (访问页面就可以看到效果了)
*/
@Bean
public Docket demoApi() {
return new Docket(DocumentationType.SWAGGER_2)
.apiInfo(demoApiInfo())
.select()
.apis(RequestHandlerSelectors.basePackage("com.jlb.controller"))
.paths(PathSelectors.any())
.build();
}
private ApiInfo demoApiInfo() {
@SuppressWarnings("deprecation")
ApiInfo apiInfo = new ApiInfo(
//大标题
"",
//小标题
"",
//版本
"1.0",
//服务条款
"",
//作者
"DongDong.Chen",
//链接显示文字
"梦里故园",
//网站链接
"http://lubin_jiang.gitee.io/hexo/"
);
return apiInfo;
}
/**
* 修改授权时的key
*/
@Bean
public SecurityConfiguration securityConfiguration() {
return new SecurityConfiguration(null, null, null, null, null, ApiKeyVehicle.HEADER,"X-AUTH-TOKEN", ",");
}
}

用@Configuration注解该类,等价于XML中配置beans;用@Bean标注方法等价于XML中配置bean,加上注解@EnableSwagger2 表示开启Swagger

三、Restful 接口

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package cn.jlb.controller;

import com.jlb.bean.JsonResult;
import com.jlb.bean.User;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import springfox.documentation.annotations.ApiIgnore;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
* @author zh
* @ClassName cn.saytime.web.UserController
* @Description
*/
@RestController
public class UserController {

// 创建线程安全的Map
static Map<Integer, User> users = Collections.synchronizedMap(new HashMap<Integer, User>());

/**
* 根据ID查询用户
* @param id
* @return
*/
@ApiOperation(value="获取用户详细信息", notes="根据url的id来获取用户详细信息")
@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Integer", paramType = "path")
@RequestMapping(value = "user/{id}", method = RequestMethod.GET)
public ResponseEntity<JsonResult> getUserById (@PathVariable(value = "id") Integer id){
JsonResult r = new JsonResult();
try {
User user = users.get(id);
r.setResult(user);
r.setStatus("ok");
} catch (Exception e) {
r.setResult(e.getClass().getName() + ":" + e.getMessage());
r.setStatus("error");
e.printStackTrace();
}
return ResponseEntity.ok(r);
}

/**
* 查询用户列表
* @return
*/
@ApiOperation(value="获取用户列表", notes="获取用户列表")
@RequestMapping(value = "users", method = RequestMethod.GET)
public ResponseEntity<JsonResult> getUserList (){
JsonResult r = new JsonResult();
try {
List<User> userList = new ArrayList<User>(users.values());
r.setResult(userList);
r.setStatus("ok");
} catch (Exception e) {
r.setResult(e.getClass().getName() + ":" + e.getMessage());
r.setStatus("error");
e.printStackTrace();
}
return ResponseEntity.ok(r);
}

/**
* 添加用户
* @param user
* @return
*/
@ApiOperation(value="创建用户", notes="根据User对象创建用户")
@ApiImplicitParam(name = "user", value = "用户详细实体user", required = true, dataType = "User")
@RequestMapping(value = "user", method = RequestMethod.POST)
public ResponseEntity<JsonResult> add (@RequestBody User user){
JsonResult r = new JsonResult();
try {
users.put(user.getId(), user);
r.setResult(user.getId());
r.setStatus("ok");
} catch (Exception e) {
r.setResult(e.getClass().getName() + ":" + e.getMessage());
r.setStatus("error");

e.printStackTrace();
}
return ResponseEntity.ok(r);
}

/**
* 根据id删除用户
* @param id
* @return
*/
@ApiOperation(value="删除用户", notes="根据url的id来指定删除用户")
@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long", paramType = "path")
@RequestMapping(value = "user/{id}", method = RequestMethod.DELETE)
public ResponseEntity<JsonResult> delete (@PathVariable(value = "id") Integer id){
JsonResult r = new JsonResult();
try {
users.remove(id);
r.setResult(id);
r.setStatus("ok");
} catch (Exception e) {
r.setResult(e.getClass().getName() + ":" + e.getMessage());
r.setStatus("error");

e.printStackTrace();
}
return ResponseEntity.ok(r);
}

/**
* 根据id修改用户信息
* @param user
* @return
*/
@ApiOperation(value="更新信息", notes="根据url的id来指定更新用户信息")
@ApiImplicitParams({
@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long",paramType = "path"),
@ApiImplicitParam(name = "user", value = "用户实体user", required = true, dataType = "User")
})
@RequestMapping(value = "user/{id}", method = RequestMethod.PUT)
public ResponseEntity<JsonResult> update (@PathVariable("id") Integer id, @RequestBody User user){
JsonResult r = new JsonResult();
try {
User u = users.get(id);
u.setUsername(user.getUsername());
u.setAge(user.getAge());
users.put(id, u);
r.setResult(u);
r.setStatus("ok");
} catch (Exception e) {
r.setResult(e.getClass().getName() + ":" + e.getMessage());
r.setStatus("error");

e.printStackTrace();
}
return ResponseEntity.ok(r);
}

@ApiIgnore//使用该注解忽略这个API
@RequestMapping(value = "/hi", method = RequestMethod.GET)
public String jsonTest() {
return " hi you!";
}
}

四、Swagger2文档

启动SpringBoot项目,访问 http://localhost:8080/swagger-ui.html
Swagger2文档
具体里面的内容以及接口测试,应该一看就懂了。这里就不一一截图了。

五、Swagger注解

swagger通过注解表明该接口会生成文档,包括接口名、请求方法、参数、返回信息的等等。

  • @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
  • @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
  • @ApiError :发生错误返回的信息
  • @ApiImplicitParam:一个请求参数
  • @ApiImplicitParams:多个请求参数