第一章--美食社交APP项目架构和微服务搭建

于 2023-05-09 04:00:00 发布
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文章标签： 微服务 架构 美食
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本文链接：https://blog.youkuaiyun.com/Kaka_csdn14/article/details/130570003
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项目架构

基于微服务进行项目开发，微服务的特点有：

  • （小）职责单一：理论上一个微服务只解决一件事
  • （松）隔离性强：服务单独部署，服务之间互相隔离，互不影响，因此一个服务宕机并不影响其他服务运行。
  • （便）开发简单：一个微服务解决一件事情，那么对开发团队的要求相对就减少（不论从人数还是开发语言都可以随心所欲），能够快速提高开发效率。

image.png

微服务搭建

基于 Spring Cloud Hoxton.SR11 搭建。

第一步 ： 创建Maven的父级工程，添加对应依赖

创建project : food_social

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.itkaka</groupId>
    <artifactId>food_social</artifactId>
    <packaging>pom</packaging>
    <version>1.0-SNAPSHOT</version>
    <modules>
        <module>fs_registry</module>
        <module>fs_gateway</module>
        <module>fs_commons</module>
        <module>fs_diners</module>
        <module>fs_oauth</module>
        <module>fs_seckill</module>
        <module>fs_follow</module>
    </modules>


    <!-- 可以集中定义依赖资源的版本信息 -->
    <properties>
        <spring-boot-version>2.3.5.RELEASE</spring-boot-version>
        <spring-cloud-version>Hoxton.SR8</spring-cloud-version>
        <lombok-version>1.18.16</lombok-version>
        <commons-lang-version>3.11</commons-lang-version>
        <mybatis-starter-version>2.1.3</mybatis-starter-version>
        <mysql-version>8.0.23</mysql-version>
        <swagger-starter-version>2.1.5-RELEASE</swagger-starter-version>
        <springfox-version>3.0.0</springfox-version>
        <hutool-version>5.4.7</hutool-version>
        <guava-version>20.0</guava-version>
        <maven.compiler.source>11</maven.compiler.source>
        <maven.compiler.target>11</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <!-- 集中定义依赖，不引入 -->
    <dependencyManagement>
        <dependencies>
            <!-- spring boot 依赖 -->
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>${spring-boot-version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <!-- spring cloud 依赖 -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud-version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <!-- lombok 依赖 -->
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>${lombok-version}</version>
            </dependency>
            <!-- common-lang3 依赖 -->
            <dependency>
                <groupId>org.apache.commons</groupId>
                <artifactId>commons-lang3</artifactId>
                <version>${commons-lang-version}</version>
            </dependency>
            <!-- mybatis 依赖 -->
            <dependency>
                <groupId>org.mybatis.spring.boot</groupId>
                <artifactId>mybatis-spring-boot-starter</artifactId>
                <version>${mybatis-starter-version}</version>
            </dependency>
            <!-- swagger 依赖 -->
            <dependency>
                <groupId>com.battcn</groupId>
                <artifactId>swagger-spring-boot-starter</artifactId>
                <version>${swagger-starter-version}</version>
            </dependency>
            <dependency>
                <groupId>io.springfox</groupId>
                <artifactId>springfox-boot-starter</artifactId>
                <version>${springfox-version}</version>
            </dependency>
            <!-- mysql 依赖 -->
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <scope>runtime</scope>
                <version>${mysql-version}</version>
            </dependency>
            <!-- hutool 依赖 -->
            <dependency>
                <groupId>cn.hutool</groupId>
                <artifactId>hutool-all</artifactId>
                <version>${hutool-version}</version>
            </dependency>
            <!-- guava 依赖 -->
            <dependency>
                <groupId>com.google.guava</groupId>
                <artifactId>guava</artifactId>
                <version>${guava-version}</version>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <!-- 集中定义项目所需插件 -->
    <build>
        <pluginManagement>
            <plugins>
                <!-- spring boot maven 项目打包插件 -->
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>

</project>

以上是 food_social 父工程maven项目;

第二步：创建基于Eureka的注册中心微服务

新建子模块 ： fs_registry

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>food_social</artifactId>
        <groupId>com.itkaka</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>fs_registry</artifactId>

    <properties>
        <maven.compiler.source>11</maven.compiler.source>
        <maven.compiler.target>11</maven.compiler.target>
    </properties>

    <dependencies>
        <!-- 注册中心服务端依赖 -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
        </dependency>
    </dependencies>

    <!-- 集中定义项目所需插件 -->
    <build>
        <pluginManagement>
            <plugins>
                <!-- spring boot maven 项目打包插件 -->
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>

</project>
第三步：配置注册中心（单机版）
server:
  port: 8090 # 端口

spring:
  application:
    name: fs_registry # 应用名

# 配置 Eureka Server 注册中心
eureka:
  client:
    register-with-eureka: false
    fetch-registry: false
    service-url:
      defaultZone: http://localhost:8090/eureka/ # 暴露注册中心地址

# 配置日志
logging:
  pattern:
    console: '%d{2100-01-01 13:14:00.666} [%thread] %-5level %logger{50} - %msg%n'
第四步：启动注册中心并验证
第五步：添加网关微服务，并注册到注册中心，启动并测试

新建模块 ： fs_gateway

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>food_social</artifactId>
        <groupId>com.itkaka</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>fs_gateway</artifactId>

    <properties>
        <maven.compiler.source>11</maven.compiler.source>
        <maven.compiler.target>11</maven.compiler.target>
    </properties>

    <dependencies>
        <!-- spring cloud gateway -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-gateway</artifactId>
        </dependency>
        <!-- eureka client -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        </dependency>
        <!-- commons 公共项目 -->
        <dependency>
            <groupId>com.itkaka</groupId>
            <artifactId>fs_commons</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
        <!-- 自定义的元数据依赖 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-configuration-processor</artifactId>
            <optional>true</optional>
        </dependency>
    </dependencies>

    <!-- 集中定义项目所需插件 -->
    <build>
        <plugins>
            <!-- spring boot maven 项目打包插件 -->
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

下面是包括全部服务的配置文件

server:
  port: 80 # 端口

spring:
  application:
    name: fs_gateway # 应用名
  cloud:
    gateway:
      discovery:
        locator:
          enabled: true # 开启配置注册中心进行路由功能
          lower-case-service-id: true # 将服务名称转小写
      routes:
        - id: fs_diners
          uri: lb://fs_diners
          predicates:
            - Path=/diners/**
          filters:
            - StripPrefix=1

        - id: fs_oauth
          uri: lb://fs_oauth
          predicates:
            - Path=/auth/**
          filters:
            - StripPrefix=1

        - id: fs_seckill
          uri: lb://fs_seckill
          predicates:
            - Path=/seckill/**
          filters:
            - StripPrefix=1

        - id: fs_follow
          uri: lb://fs_follow
          predicates:
            - Path=/follow/**
          filters:
            - StripPrefix=1

        - id: fs_feeds
          uri: lb://fs_feeds
          predicates:
            - Path=/feeds/**
          filters:
            - StripPrefix=1

        - id: fs_points
          uri: lb://fs_points
          predicates:
            - Path=/points/**
          filters:
            - StripPrefix=1

        - id: fs_restaurants
          uri: lb://fs_restaurants
          predicates:
            - Path=/restaurants/**
          filters:
            - StripPrefix=1

secure:
  ignore:
    urls: # 配置白名单路径
      - /actuator/**
      - /auth/oauth/**
      - /diners/signin
      - /diners/send
      - /diners/checkPhone
      - /diners/register
      - /seckill/add
      - /restaurants/detail/**

# 配置 Eureka Server 注册中心
eureka:
  instance:
    # 开启 ip 注册
    prefer-ip-address: true
    instance-id: ${spring.cloud.client.ip-address}:${server.port}
  client:
    service-url:
      defaultZone: http://localhost:8090/eureka/

# 配置日志
logging:
  pattern:
    console: '%d{2100-01-01 13:14:00.666} [%thread] %-5level %logger{50} - %msg%n'

对目前的环境搭建用下面这个yaml文件

server:
  port: 80 # 端口

spring:
  application:
    name: fs_gateway # 应用名
  cloud:
    gateway:
      discovery:
        locator:
          enabled: true # 开启配置注册中心进行路由功能
          lower-case-service-id: true # 将服务名称转小写
      routes:
        - id: fs_diners
          uri: lb://fs_diners
          predicates:
            - Path=/diners/**
          filters:
            - StripPrefix=1



# 配置 Eureka Server 注册中心
eureka:
  instance:
    # 开启 ip 注册
    prefer-ip-address: true
    instance-id: ${spring.cloud.client.ip-address}:${server.port}
  client:
    service-url:
      defaultZone: http://localhost:8090/eureka/

# 配置日志
logging:
  pattern:
    console: '%d{2100-01-01 13:14:00.666} [%thread] %-5level %logger{50} - %msg%n'
第六步：添加用户食客微服务，并注册到注册中心，启动并测试

新建子模块 ： fs_diners

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>food_social</artifactId>
        <groupId>com.itkaka</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>fs_diners</artifactId>

    <properties>
        <maven.compiler.source>11</maven.compiler.source>
        <maven.compiler.target>11</maven.compiler.target>
    </properties>

    <dependencies>
        <!-- eureka client -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        </dependency>
        <!-- spring web -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!-- mysql -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <!-- spring data redis -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-pool2</artifactId>
        </dependency>
        <!-- mybatis -->
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
        </dependency>
        <!-- commons 公共项目 -->
        <dependency>
            <groupId>com.itkaka</groupId>
            <artifactId>fs_commons</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
        <!-- 自定义的元数据依赖 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-configuration-processor</artifactId>
            <optional>true</optional>
        </dependency>
    </dependencies>

    <!-- 集中定义项目所需插件 -->
    <build>
        <plugins>
            <!-- spring boot maven 项目打包插件 -->
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

server:
  port: 8091 # 端口

spring:
  application:
    name: fs_diners # 应用名
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/db_lezijie_food_social?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf8&useSSL=false
    username: root
    password: root
  # Redis
#  redis:
#    port: 6379
#    host: 192.168.10.101
#    timeout: 3000
#    password: 123456
  # swagger
  swagger:
    base-package: com.itkaka.diners
    title: 美食社交食客API接口文档

# Oauth2 客户端信息
oauth2:
  client:
    client-id: appId
    secret: 123456
    grant_type: password
    scope: api

# oauth2 服务地址
service:
  name:
    fs_oauth-server: http://fs_oauth/
    fs_points-server: http://fs_points/

# Mybatis
mybatis:
  configuration:
    map-underscore-to-camel-case: true # 开启驼峰映射

# 配置 Eureka Server 注册中心
eureka:
  instance:
    # 开启 ip 注册
    prefer-ip-address: true
    instance-id: ${spring.cloud.client.ip-address}:${server.port}
  client:
    service-url:
      defaultZone: http://localhost:8090/eureka/

# 配置日志
logging:
  pattern:
    console: '%d{2100-01-01 13:14:00.666} [%thread] %-5level %logger{50} - %msg%n'

网关添加路由规则

server:
  port: 80 # 端口

spring:
  application:
    name: fs_gateway # 应用名
  cloud:
    gateway:
      discovery:
        locator:
          enabled: true # 开启配置注册中心进行路由功能
          lower-case-service-id: true # 将服务名称转小写
      routes:
        - id: fs_diners
          uri: lb://fs_diners
          predicates:
            - Path=/diners/**
          filters:
            - StripPrefix=1
第七步：搭建commons公共项目
<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>food_social</artifactId>
        <groupId>com.itkaka</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>fs_commons</artifactId>

    <properties>
        <maven.compiler.source>11</maven.compiler.source>
        <maven.compiler.target>11</maven.compiler.target>
    </properties>

    <dependencies>
        <!-- lombok -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
        </dependency>
        <!-- hutool -->
        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
        </dependency>
        <!-- guava -->
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
        </dependency>
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-boot-starter</artifactId>
        </dependency>
        <!-- security -->
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-core</artifactId>
        </dependency>
    </dependencies>


</project>

同理搭建其他微服务；
大致项目环境结构如下图：
image.png
image.png

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