SpringCloud - 项目搭建

文章目录

1.创建父工程项目

打开IDEA 创建一个Maven项目：

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配置好文件的编码：UTF-8

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注解生效激活

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java编译版本配置：

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忽略显示文件：

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2.父工程POM配置

<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>4.0.0modelVersion>

  <groupId>com.jm.springcloudgroupId>
  <artifactId>cloud2022artifactId>
  <version>1.0-SNAPSHOTversion>
  <packaging>pompackaging>

  <name>Mavenname>
  <url>http://maven.apache.org/url>
  <inceptionYear>2001inceptionYear>

  <distributionManagement>
    <site>
      <id>websiteid>
      <url>scp://webhost.company.com/www/websiteurl>
    site>
  distributionManagement>

  
  <properties>
    <project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
    <maven.compiler.source>1.8maven.compiler.source>
    <maven.compiler.target>1.8maven.compiler.target>
    <junit.version>4.12junit.version>
    <log4j.version>1.2.17log4j.version>
    <lombok.version>1.16.18lombok.version>
    <mysql.version>5.1.47mysql.version>
    <druid.version>1.1.16druid.version>
    <mybatis.spring.boot.version>1.3.0mybatis.spring.boot.version>
  properties>

  
  <dependencyManagement>
    <dependencies>
      
      <dependency>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-dependenciesartifactId>
        <version>2.2.2.RELEASEversion>
        <type>pomtype>
        <scope>importscope>
      dependency>
      
      <dependency>
        <groupId>org.springframework.cloudgroupId>
        <artifactId>spring-cloud-dependenciesartifactId>
        <version>Hoxton.SR1version>
        <type>pomtype>
        <scope>importscope>
      dependency>
      
      <dependency>
        <groupId>com.alibaba.cloudgroupId>
        <artifactId>spring-cloud-alibaba-dependenciesartifactId>
        <version>2.1.0.RELEASEversion>
        <type>pomtype>
        <scope>importscope>
      dependency>
      <dependency>
        <groupId>mysqlgroupId>
        <artifactId>mysql-connector-javaartifactId>
        <version>${mysql.version}version>
      dependency>
      <dependency>
        <groupId>com.alibabagroupId>
        <artifactId>druidartifactId>
        <version>${druid.version}version>
      dependency>
      <dependency>
        <groupId>org.mybatis.spring.bootgroupId>
        <artifactId>mybatis-spring-boot-starterartifactId>
        <version>${mybatis.spring.boot.version}version>
      dependency>
      <dependency>
        <groupId>junitgroupId>
        <artifactId>junitartifactId>
        <version>${junit.version}version>
      dependency>
      <dependency>
        <groupId>log4jgroupId>
        <artifactId>log4jartifactId>
        <version>${log4j.version}version>
      dependency>
      <dependency>
        <groupId>org.projectlombokgroupId>
        <artifactId>lombokartifactId>
        <version>${lombok.version}version>
        <optional>trueoptional>
      dependency>
    dependencies>
  dependencyManagement>

  <build>
    <plugins>
      <plugin>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-maven-pluginartifactId>
        <configuration>
          <fork>truefork>
          <addResources>trueaddResources>
        configuration>
      plugin>
    plugins>
  build>

project>

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3.创建RestFul 服务器

创建两个微服务子模块，一个订单模块，一个支付模块

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3.1 支付模块

3.1.1 创建module

创建第一个模块：支付模块

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3.1.2 改POM

修改支付模块的POM文件


<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>cloud2022artifactId>
        <groupId>com.jm.springcloudgroupId>
        <version>1.0-SNAPSHOTversion>
    parent>
    <modelVersion>4.0.0modelVersion>

    <artifactId>cloud-provider-payment8001artifactId>

    <dependencies>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-webartifactId>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-actuatorartifactId>
        dependency>
        <dependency>
            <groupId>org.mybatis.spring.bootgroupId>
            <artifactId>mybatis-spring-boot-starterartifactId>
        dependency>
        <dependency>
            <groupId>com.alibabagroupId>
            <artifactId>druid-spring-boot-starterartifactId>
            <version>1.1.10version>
        dependency>
        
        <dependency>
            <groupId>mysqlgroupId>
            <artifactId>mysql-connector-javaartifactId>
        dependency>
        
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-jdbcartifactId>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-devtoolsartifactId>
            <scope>runtimescope>
            <optional>trueoptional>
        dependency>
        <dependency>
            <groupId>org.projectlombokgroupId>
            <artifactId>lombokartifactId>
            <optional>trueoptional>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-testartifactId>
            <scope>testscope>
        dependency>
    dependencies>

project>
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3.1.3 写YML

server:
  port: 8001

spring:
  application:
    name: cloud-payment-service
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource          # 当前数据源操作类型
    driver-class-name: com.mysql.jdbc.Driver              # mysql驱动包
    url: jdbc:mysql://localhost:3306/cloud?useUnicode=true&characterEncoding=utf-8&useSSL=false
    username: root
    password: "021107"


mybatis:
  mapperLocations: classpath:mapper/*.xml
  type-aliases-package: com.jm.springcloud.entities    # 所有Entity别名类所在包
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3.1.4 主启动

package com.jm.springcloud;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class PaymentMain8001 {
     public static void main(String[] args) {
           SpringApplication.run(PaymentMain8001.class, args);
     }
}
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3.1.5 业务类

查看具体git：https://gitee.com/jm1107/cloud2022

3.2 订单模块

3.2.1 创建module

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3.2.2 改POM


<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>
        <groupId>com.jm.springcloudgroupId>
        <artifactId>cloud2022artifactId>
        <version>1.0-SNAPSHOTversion>
    parent>
    <modelVersion>4.0.0modelVersion>

    <artifactId>cloud-consumer-order80artifactId>

    <dependencies>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-webartifactId>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-actuatorartifactId>
        dependency>

        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-devtoolsartifactId>
            <scope>runtimescope>
            <optional>trueoptional>
        dependency>
        <dependency>
            <groupId>org.projectlombokgroupId>
            <artifactId>lombokartifactId>
            <optional>trueoptional>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-testartifactId>
            <scope>testscope>
        dependency>
    dependencies>

project>
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3.2.3 写YML

server:
  port: 80
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3.2.4 主启动

package com.jm.springcloud;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class OrderMain80 {
     public static void main(String[] args) {
           SpringApplication.run(OrderMain80.class, args);
     }
}

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3.2.5 业务类

查看具体git：https://gitee.com/jm1107/cloud2022

4.工程重构

问题:系统中存在重复部分

创建一个公共使用的子模块，将通用的实体类、工具类，以及第三方都存放到模块中

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修改POM文件


<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>cloud2022artifactId>
        <groupId>com.jm.springcloudgroupId>
        <version>1.0-SNAPSHOTversion>
    parent>
    <modelVersion>4.0.0modelVersion>

    <artifactId>cloud-api-commonsartifactId>

    <dependencies>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-devtoolsartifactId>
            <scope>runtimescope>
            <optional>trueoptional>
        dependency>
        <dependency>
            <groupId>org.projectlombokgroupId>
            <artifactId>lombokartifactId>
            <optional>trueoptional>
        dependency>
        <dependency>
            <groupId>cn.hutoolgroupId>
            <artifactId>hutool-allartifactId>
            <version>5.1.0version>
        dependency>
    dependencies>


project>
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将公共的部分抽离到本模块中：
比如下面的实体类

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使用maven对本子模块进行 install
在其他需要引入公共模块的子模块中maven 添加依赖包：

<dependency>
    <groupId>com.jm.springcloudgroupId>
    <artifactId>cloud-api-commonsartifactId>
    <version>${project.version}version>
dependency>
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原文地址：https://blog.csdn.net/m0_66689823/article/details/127943400