Springboot 集成 Swagger

1、问题描述

　　随着互联网技术的发展，现在的网站架构基本都由原来的后端渲染，变成了：前端渲染、先后端分离的形态，而且前端技术和后端技术在各自的道路上越走越远。前端和后端的唯一联系，变成了API接口；API文档变成了前后端开发人员联系的纽带，变得越来越重要，swagger就是一款让你更好的书写API文档的框架，而且swagger可以完全模拟http请求，入参出参和实际情况差别几乎为零。

　　没有API文档工具之前，大家都是手写API文档的（维护起来相当困难），在什么地方书写的都有，有在confluence上写的，有在对应的项目目录下readme.md上写的，每个公司都有每个公司的玩法，无所谓好坏。但是能称之为“框架”的，估计也只有swagger了

2、操作步骤

　　2.1配置pom.xml

<parent>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-parent</artifactId>

<version>1.4.0.RELEASE</version>

</parent>

<properties>

<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

</properties>

<dependencies>

<dependency>

<groupId>junit</groupId>

<artifactId>junit</artifactId>

<scope>test</scope>

</dependency>

<dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-web</artifactId>

</dependency>

<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>

</dependencies>

　　 2.2启动类

package com.mao.swagger;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.EnableAutoConfiguration;

import org.springframework.boot.autoconfigure.SpringBootApplication;

/**

* Hello world!

*

*/

@EnableAutoConfiguration

@SpringBootApplication(scanBasePackages = "com.mao")

public class DemoApp {

public static void main(String[] args) throws Exception {

SpringApplication.run(DemoApp.class, args);

}

　　　 2.3配置config

package com.mao.swagger.config;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import io.swagger.annotations.ApiOperation;

import springfox.documentation.builders.RequestHandlerSelectors;

import springfox.documentation.spi.DocumentationType;

import springfox.documentation.spring.web.plugins.Docket;

import springfox.documentation.swagger2.annotations.EnableSwagger2;

@Configuration

@EnableSwagger2

public class SwaggerConfig {

@Bean

public Docket swaggerSpringMvcPlugin() {

return new Docket(DocumentationType.SWAGGER_2).select().apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class)).build();

}

　2.4配置controller

package com.mao.swagger.controller;

import org.springframework.http.HttpStatus;

import org.springframework.http.MediaType;

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.RequestParam;

import org.springframework.web.bind.annotation.RestController;

import com.mao.swagger.beans.ResObject;

import com.mao.swagger.beans.User;

import io.swagger.annotations.Api;

import io.swagger.annotations.ApiImplicitParam;

import io.swagger.annotations.ApiImplicitParams;

import io.swagger.annotations.ApiOperation;

/**

* Hello world!

*

*/

@Api(description = "用户接口")

@RestController

@RequestMapping("/demoController")

public class DemoController {

@ApiOperation(value = "新增用户" , notes="新增注册")

@RequestMapping(value="/createUser",method=RequestMethod.POST,consumes= MediaType.APPLICATION_JSON_VALUE)

public ResObject createUser(@RequestBody User user){

System.out.println("createUser:::"+user.toString());

return new ResObject(HttpStatus.OK.value(), "新增成功.");

}

@ApiOperation(value = "修改用户" , notes="修改用户")

@RequestMapping(value="/updateUser",method=RequestMethod.POST,consumes= MediaType.APPLICATION_JSON_VALUE)

public ResObject updateUser(@RequestBody User user){

System.out.println("updateUser:::"+user.toString());

return new ResObject(HttpStatus.OK.value(), "修改成功.");

}

@ApiOperation(value = "删除用户" , notes="删除用户")

@ApiImplicitParams({

@ApiImplicitParam(name = "userId", value = "用户标识", required = true, paramType = "query", dataType = "String")

})

@RequestMapping(value="/deleteUser",method=RequestMethod.DELETE)

public ResObject deleteUser(@RequestParam("userId") String userId){

System.out.println("deleteUser:::"+userId);

return new ResObject(HttpStatus.OK.value(), "删除成功.");

}

@ApiOperation(value = "查询用户" , notes="查询用户")

@ApiImplicitParams({

@ApiImplicitParam(name = "userId", value = "用户标识", required = true, paramType = "query", dataType = "String")

})

@RequestMapping(value="/queryUser",method=RequestMethod.GET)

public ResObject queryUser(@RequestParam("userId") String userId){

System.out.println("queryUser:::"+userId);

User user = new User(userId, "张三", "******", "mao2080@sina.com");

return new ResObject(HttpStatus.OK.value(), user);

}

3、效果展示

按照上面的启动之后访问：http://localhost:8080/swagger-ui.html 发现找不到接口

后面排查是因为没有添加扫描包

重启之后再刷新即可

点击demo-controller可以看到详细接口

点击具体接口可以看到具体参数

点击try it out! 可以测试接口。

后台打印日志

4、附件下载

swagger-demo.zip

5、参考网站

https://blog.csdn.net/i6448038/article/details/77622977

https://blog.csdn.net/blackmambaprogrammer/article/details/72354007

6、推广阅读

Sagger常用参数用法

转载自：http://www.cnblogs.com/mao2080/

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