9: Chapter 3: e-commerce engineering analysis: 4: [general module]; (to be written...)

explain ：

（1）

1. establish 【e-commerce-common】, General module ; 

2. Set up 【e-commerce-common】 General module pom.xml;

<?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>ecommerce-springcloud</artifactId>
        <groupId>com.imooc.ecommerce</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>e-commerce-common</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>

    <!--  Module name and description  -->
    <name>e-commerce-common</name>
    <description> General module </description>

</project>

explain ：

（1） Content description ;