入门Swagger

时间:2019-11-17
本文章向大家介绍入门Swagger，主要包括入门Swagger使用实例、应用技巧、基本知识点总结和需要注意事项，具有一定的参考价值，需要的朋友可以参考一下。

Swagger:实现前后端分离开发

使用IDEA创建一个web项目

在pom.xml中添加swagger-api依赖

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.2.1.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.uos</groupId>
    <artifactId>swagger-demo</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>swagger-demo</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>


        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <!--swagger-api依赖开始-->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.7.0</version>
        </dependency>
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>2.7.0</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.6.6</version>
        </dependency>
        <!--swagger-api 依赖结束-->
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

添加SwaggerConfig和WebMvcConfig配置类

package com.uos.demo.config;

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.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
//必须存在扫描的API Controller包
@ComponentScan(basePackages ={"com.uos.demo.controller"})
public class SwaggerConfig{
    @Bean
    public Docket customDocket(){
        return new Docket(DocumentationType.SWAGGER_2).apiInfo(apiInfo());
    }

    private ApiInfo apiInfo(){
          Contact contact= new Contact("太子殿下","https://www.cnblogs.com/my-program-life/","3466614871@qq.com");
          return new ApiInfoBuilder()
          .title("项目API接口")
          .description("API接口")
          .contact(contact).version("1.1.0")
          .build();
    }
}
package com.uos.demo.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
class WebMvcConfig implements WebMvcConfigurer {
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("swagger-ui.html")
                .addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**")
                .addResourceLocations("classpath:/META-INF/resources/webjars/");
    }
}

创建User类

package com.uos.demo.pojo;

/*
    用户类
 */
public class User {
    private String username;
    private String password;

    public User() {
    }

    public User(String username, String password) {
        this.username = username;
        this.password = password;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }
}

创建UserController类

package com.uos.demo.controller;

import com.uos.demo.pojo.User;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiOperation;
import org.springframework.web.bind.annotation.*;

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

@RestController
@Api(value = "用户模块",description = "用户模块的接口信息")
public class UserController {
    //模拟数据库
    public static List<User> users = new ArrayList<>();
    static {
        users.add(new User("张三","123456"));
        users.add(new User("李四","1234"));
    }
    //获取用户列表的方法
    @GetMapping("/users")
    @ApiOperation(value = "获取用户列表",notes = "获取所有用户的列表信息")
    public Object users(){
        Map<String,Object> map = new HashMap<>();
        map.put("users",users);
        return map;
    }

    //通过id来进行查询用户的信息
    @ApiOperation(value = "获取单个用户",notes = "根据id查询某个用户的信息")
    @ApiImplicitParam(value = "用户的id",paramType = "path")
    @GetMapping("/users/{id}")
    public User getUserById(@PathVariable("id") int id){
        return users.get(id);
    }
    
    //添加用户
    @ApiOperation(value = "添加用户",notes = "根据用户传入的信息添加用户")
    @ApiImplicitParam(value = "用户对象",paramType = "query")
    @PostMapping("/user")
    public Object add(User user){
        return users.add(user);
    }
    //删除用户
    @ApiOperation(value = "删除用户",notes = "根据用户传入的id删除用户")
    @ApiImplicitParam(value = "用户id",paramType = "path")
    @DeleteMapping("/user/{id}")
    public Object delete(@PathVariable("id") int id){
        return users.remove(id);
    }
}

创建SpringBoot启动类

package com.uos;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;

@SpringBootApplication
@EnableWebMvc
public class SwaggerDemoApplication {

    public static void main(String[] args) {
        SpringApplication.run(SwaggerDemoApplication.class, args);
    }
}

中文显示

 swagger-ui.html

<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Swagger UI</title>
  <link rel="icon" type="image/png" href="webjars/springfox-swagger-ui/images/favicon-32x32.png" sizes="32x32"/>
  <link rel="icon" type="image/png" href="webjars/springfox-swagger-ui/images/favicon-16x16.png" sizes="16x16"/>
  <link href='webjars/springfox-swagger-ui/css/typography.css' media='screen' rel='stylesheet' type='text/css'/>
  <link href='webjars/springfox-swagger-ui/css/reset.css' media='screen' rel='stylesheet' type='text/css'/>
  <link href='webjars/springfox-swagger-ui/css/screen.css' media='screen' rel='stylesheet' type='text/css'/>
  <link href='webjars/springfox-swagger-ui/css/reset.css' media='print' rel='stylesheet' type='text/css'/>
  <link href='webjars/springfox-swagger-ui/css/print.css' media='print' rel='stylesheet' type='text/css'/>

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

  <script src='webjars/springfox-swagger-ui/lang/translator.js' type='text/javascript'></script>
  <script src='webjars/springfox-swagger-ui/lang/zh-cn.js' type='text/javascript'></script>

  <script src='webjars/springfox-swagger-ui/springfox.js' type='text/javascript'></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="webjars/springfox-swagger-ui/images/logo_small.png" /><span class="logo__title">swagger</span></a>
    <form id='api_selector'>
      <div class='input'>
        <select id="select_baseUrl" name="select_baseUrl"/>
      </div>
      <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>

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原文地址：https://www.cnblogs.com/my-program-life/p/11876546.html

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