SpringBoot+Swagger+日志

一.Swagger

1.Swagger簡介

  • swagger 是一款RESTFUL接口的文檔在線自動生成+功能測試功能軟件.

  • Swagger 是一個規(guī)范和完整的框架,用于生成、描述、調用和可視化 RESTful 風格的 Web 服務??傮w目標是使客戶端和文件系統(tǒng)作為服務器以同樣的速度來更新。文件的方法,參數(shù)和模型緊密集成到服務器端的代碼,允許API來始終保持同步。Swagger 讓部署管理和使用功能強大的API從未如此簡單.

2.Swagger注解

  • @Api:用在請求的類上,表示對類的說明

    • tags="說明該類的作用,可以在UI界面上看到的注解"
    • value="該參數(shù)沒什么意義,在UI界面上也看到,所以不需要配置"
    @Api(tags="APP用戶注冊Controller")
    
  • @ApiOperation:用在請求的方法上,說明方法的用途、作用

    • value="說明方法的用途、作用"
    • notes="方法的備注說明"
    @ApiOperation(value="用戶注冊",notes="手機號、密碼都是必輸項,年齡隨邊填,但必須是數(shù)字")
    
  • @ApiParam:用于方法,參數(shù),字段說明,表示對參數(shù)的添加元數(shù)據(說明或是否必填等)

    • name:屬性名稱
    • value:屬性值
    • defaultValue:默認屬性值
    • required:是否屬性必填
    • example:舉例子
    @ApiOperation(value = "傳設置過期時間")
    @RequestMapping(value = "/expire", method = RequestMethod.POST)
    public boolean expire(@ApiParam(name = "key", value = "cache key", required = true) @RequestParam("key")String key,@ApiParam(name = "expireSecond", value = "key過期時間:秒", required = true)@RequestParam("expireSecond") Integer expireSecond){
      checkParams(key);
      log.info("key:{},", key);
      return redisService.expire(key, expireSecond);
    }
    
  • @ApiImplicitParams:用在請求的方法上,表示一組參數(shù)說明

    • @ApiImplicitParam:用在@ApiImplicitParams注解中,指定一個請求參數(shù)的各個方面
      • name:參數(shù)名
      • value:參數(shù)的漢字說明、解釋
      • required:參數(shù)是否必須傳
      • paramType:參數(shù)放在哪個地方
        • header --> 請求參數(shù)的獲?。篅RequestHeader
        • query --> 請求參數(shù)的獲?。篅RequestParam
        • path(用于restful接口)--> 請求參數(shù)的獲?。篅PathVariable
        • body(不常用)
        • form(不常用)
      • dataType:參數(shù)類型,默認String,其它值dataType="Integer"
      • defaultValue:參數(shù)的默認值
    @ApiImplicitParams({
      @ApiImplicitParam(name="mobile",value="手機號",required=true,paramType="form"),
      @ApiImplicitParam(name="password",value="密碼",required=true,paramType="form"),
      @ApiImplicitParam(name="age",value="年齡", required=true,paramType="form",dataType="Integer")
    })
    
  • @ApiResponses:用在請求的方法上,表示一組響應

    • @ApiResponse:用在@ApiResponses中,一般用于表達一個錯誤的響應信息
      • code:數(shù)字,例如400
      • message:信息,例如"請求參數(shù)沒填好"
      • response:拋出異常的類
    @ApiOperation(value = "select1請求",notes = "多個參數(shù),多種的查詢參數(shù)類型")
    @ApiResponses({
      @ApiResponse(code=400,message="請求參數(shù)沒填好"),
      @ApiResponse(code=404,message="請求路徑沒有或頁面跳轉路徑不對")
    })
    
  • @ApiModel:用于響應類上,表示一個返回響應數(shù)據的信息(這種一般用在post創(chuàng)建的時候,使用@RequestBody這樣的場景,請求參數(shù)無法使用@ApiImplicitParam注解進行描述的時候)

    • @ApiModelProperty:用在屬性上,描述響應類的屬性
    @ApiModel(description= "返回響應數(shù)據")
    public class RestMessage implements Serializable{
        @ApiModelProperty(value = "是否成功")
        private boolean success=true;
        @ApiModelProperty(value = "返回對象")
        private Object data;
        @ApiModelProperty(value = "錯誤編號")
        private Integer errCode;
        @ApiModelProperty(value = "錯誤信息")
        private String message;
        /* getter/setter */
    }
    

二.SpringBoot整合Swagger

1.新建SpringBoot項目

01.jpg
02.jpg

2.添加依賴

<!--SpringBoot整合mybatis-->
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.1.2</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.15</version>
        </dependency>

        <!-- swagger -->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.9.2</version>
        </dependency>
        <!-- swagger-ui -->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>2.9.2</version>
        </dependency>
  • 添加依賴后的pom文件
<?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>2.2.6.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.ym</groupId>
    <artifactId>spring_boot_swagger</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>
    <name>spring_boot_swagger</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-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-tomcat</artifactId>
            <scope>provided</scope>
        </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>

        <!--SpringBoot整合mybatis-->
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.1.2</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.15</version>
        </dependency>

        <!-- swagger -->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.9.2</version>
        </dependency>
        <!-- swagger-ui -->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>2.9.2</version>
        </dependency>

    </dependencies>

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

</project>

3.resource包下新建application.yml文件

  • 也可以使用application.properties進行配置
server:
  port: 8080
  # 指定端口
spring:
  # 配置數(shù)據源
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource
    url: jdbc:mysql://localhost:3307/datatest?useSSL=false&serverTimezone=UTC&characterEncoding=utf-8
    driver-class-name: com.mysql.cj.jdbc.Driver
    username: root
    password: root
# 配置mybatis
mybatis:
  type-aliases-package: com.ym.pojo
  mapper-locations: classpath*:mapper/*Mapper.xml
# 日志
logging:
  level:
    root: info  #使用error級別,項目啟動不起來,原因還在排查中
  file:
    path: mylog   #日志文件所在的包路徑
# 配置swagger
swagger:
  basePackage: com.ym
  title: User CRUD SpringBoot Swagger
  version: v1.0
  description: this is a user crud function
  contact: YanM
  url: www.ym.com

4.創(chuàng)建swagger2的配置類

package com.ym.config;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
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;

@Configuration
@EnableSwagger2
public class SwaggerConfig {

    @Value ("${swagger.basePackage}")
    private String basePackage; //掃描controller的包名

    @Value ("${swagger.title}")
    private String title;  //在線文檔的標題

    @Value ("${swagger.version}")
    private String version;  //文檔的版本

    @Value ("${swagger.description}")
    private String description;  //在線文檔的描述

    @Value ("${swagger.contact}")
    private String contact; //聯(lián)系人

    @Value ("${swagger.url}")
    private String url; //URL

    @Bean
    public Docket api(){
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())   //函數(shù)返回一個ApiSelectorBuilder實例來控制哪些接口暴露給swagger來展現(xiàn)
                .select()
                .apis(RequestHandlerSelectors.basePackage(basePackage))
                .paths(PathSelectors.any())
                .build();
    }

    private ApiInfo apiInfo(){
        return new ApiInfoBuilder()
                .title(title)
                .description(description)
                .termsOfServiceUrl(url)
                .version(version)
                .contact(new Contact(contact,url,url))
                .build();
    }
}

5.pojo層

package com.ym.pojo;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@AllArgsConstructor
@NoArgsConstructor
public class User {
    private int uid;
    private String name;
    private String sex;
    private int age;
    private String address;
}

6.dao層接口

  • 接口上需要@Mapper注解
package com.ym.dao;

import com.ym.pojo.User;
import org.apache.ibatis.annotations.Mapper;

import java.util.List;

@Mapper
public interface IUserDao {
    List<User> getAllUsers();

    User getUserByUid(int uid);

    int editUser(User user);

    int deleteUserByUid(int uid);

    int saveUser(User user);
}

7.與dao層接口對應的mapper文件

  • 最好在添加一個resultMap
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<!-- 整個映射文件為mapper節(jié)點,里面包含namespace屬性 -->
<mapper namespace="com.ym.dao.IUserDao">

    <sql id="all">
        select * from users
    </sql>

    <select id="getAllUsers" resultType="user">
        <include refid="all" />
    </select>


    <select id="getUserByUid" resultType="user">
        select * from users where uid=#{uid}
    </select>

    <update id="editUser">
        update users
        <set>
            <if test="name != null and name != ''">
                name = #{name},
            </if>
            <if test="sex != null and sex != ''">
                sex = #{sex},
            </if>
            <if test="age != 0">
                age = #{age},
            </if>
            <if test="address != null and address != ''">
                address = #{address},
            </if>
        </set>
        where uid = #{uid}
    </update>

    <delete id="deleteUserByUid">
        delete from users where uid=#{uid}
    </delete>

    <insert id="saveUser">
        insert into users values (default ,#{name},#{sex},#{age},#{address})
    </insert>
</mapper>

8.service層接口

package com.ym.service;

import com.ym.pojo.User;

import java.util.List;


public interface IUserService {
    List<User> getAllUsers();

    int editUser(User user);

    int deleteUserByUid(int uid);

    int saveUser(User user);
}

9.service層實現(xiàn)類

package com.ym.service.impl;

import com.ym.dao.IUserDao;
import com.ym.pojo.User;
import com.ym.service.IUserService;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;


@Service
public class UserService implements IUserService {

    @Resource
    private IUserDao userDao;

    @Override
    public List<User> getAllUsers() {
        return userDao.getAllUsers();
    }

    @Override
    public User getUserByUid(int uid) {
        return userDao.getUserByUid(uid);
    }

    @Override
    public int editUser(User user) {
        return userDao.editUser(user);
    }

    @Override
    public int deleteUserByUid(int uid) {
        return userDao.deleteUserByUid(uid);
    }

    @Override
    public int saveUser(User user) {
        return userDao.saveUser(user);
    }
}

10.controller層

package com.ym.controller;

import com.ym.pojo.User;
import com.ym.service.IUserService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;


@RestController
@Api(tags = "操作用戶信息-UserController")
public class UserController {

    @Resource
    private IUserService userService;

    @GetMapping("/allUser")
    @ApiOperation(value = "獲取所有的用戶信息")
    public List<User> queryAllUser(){
        List<User> users = userService.getAllUsers();
        return users;
    }


    @PostMapping("/editUser")
    @ApiOperation(value = "修改用戶信息")
    public void editUser(User user){
        userService.editUser(user);
    }


    @GetMapping("/deleteUser/{uid}")
    @ApiOperation(value = "刪除用戶")
    public void deleteUser(@PathVariable int uid){
        userService.deleteUserByUid(uid);
    }

    @PostMapping("/saveUser")
    @ApiOperation(value = "保存用戶信息")
    public void saveUser(User user){
        userService.saveUser(user);
    }
}

11.Swagger訪問

  • 在地址欄中輸入下面地址就可以訪問(SpringBoot)

http://localhost:8080/swagger-ui.html

swagger訪問.jpg

swagger訪問2.jpg

12.目錄結構

SpringBoot+Swagger目錄結構.jpg
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