SSM框架搭建。

本次SSM框架搭建使用IDEA+maven搭建，maven是一个自动化构建平台，可以根据配置文件自动下载jar包，具体配置过程可以百度。SSM框架分为3层架构：--持久层（dao）--业务层（biz）--表现层（web）整体框架结构可以参考下图：

image

idea中创建流程：

1.
image.png

选择webapp模板

2.
image.png

填写组ID和个人ID
3.
image.png

选择自己安装好的maven路径，之后一直next,finish即可
4.
image.png

添加模块

5.
image.png

不需要选择模板。之后与新建项目时一样，分别添加持久层，业务层和表现层即可

配置文件（pom.xml）共有4个，第一个是整体项目的配置文件主要是引入每个模块。

<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.lvlin</groupId>
    <artifactId>vms</artifactId>
    <packaging>pom</packaging>
    <version>1.0-SNAPSHOT</version>
    <modules>
        <module>vms_dao</module>// 引入持久层(dao)模块
        <module>vms_biz</module>//引入业务层（biz）模块
        <module>vms_web</module>//引入表现层（web）模块
    </modules>
    <properties>
        <spring_version>4.3.1.RELEASE</spring_version>//定义spring版本其他地方需要指定spring版本时可以使用spring_version
    </properties>
</project>

1.持久层
持久层需要添加Mybatis依赖，spring依赖以及mybatis-Spring整合的依赖。负责与数据库进行交互设计，用来处理数据的持久化工作。
持久层配置文件：

<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>vms</artifactId>
        <groupId>com.lvlin</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>//父模块
    <modelVersion>4.0.0</modelVersion>

    <artifactId>vms_dao</artifactId>


    <dependencies>
        <dependency>
            <groupId>com.lvlin</groupId>
            <artifactId>vms</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>//mysql连接
            <version>5.1.44</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.5.2</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>4.3.1.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.3.1.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.3.1.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>spring整合mybatis
            <version>2.0.2</version>
        </dependency>
    </dependencies>

</project>

2.业务层
配置Aspect依赖和AOP。主要负责业务模块的逻辑应用设计
业务层配置文件

<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>vms</artifactId>
    <groupId>com.lvlin</groupId>
    <version>1.0-SNAPSHOT</version>//父模块
</parent>
<modelVersion>4.0.0</modelVersion>

<artifactId>vms_biz</artifactId>
<dependencies>
    <dependency>
        <groupId>com.lvlin</groupId>
        <artifactId>vms</artifactId>
        <version>1.0-SNAPSHOT</version>
    </dependency>
    <dependency>
        <groupId>com.lvlin</groupId>
        <artifactId>vms_dao</artifactId>//引入持久层模块
        <version>1.0-SNAPSHOT</version>
    </dependency>

    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>4.3.1.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-tx</artifactId>
        <version>4.3.1.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aop</artifactId>//AOP
        <version>4.3.1.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.aspectj</groupId>
        <artifactId>aspectjweaver</artifactId>//Aspect
        <version>1.8.6</version>
    </dependency>

</dependencies>
</project>

3.表现层
配置Servlet依赖，SpringMVC依赖负责具体的业务模块流程控制。调用业务层接口控制业务流程。
表现层配置文件

<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>vms</artifactId>
        <groupId>com.lvlin</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>vms_web</artifactId>
    <packaging>war</packaging>

    <name>vms_web Maven Webapp</name>
    <!-- FIXME change it to the project's website -->
    <url>http://www.example.com</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.7</maven.compiler.source>
        <maven.compiler.target>1.7</maven.compiler.target>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>//单元测试
            <version>4.11</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>com.lvlin</groupId>
            <artifactId>vms_biz</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>//servlet
            <version>4.0.0</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.3.1.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>//SpringMVC依赖
            <version>4.3.1.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>//json依赖
            <version>1.2.21</version>
        </dependency>
    </dependencies>

    <build>
        <finalName>vms_web</finalName>
        <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
            <plugins>
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>3.1.0</version>
                </plugin>
                <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
                <plugin>
                    <artifactId>maven-resources-plugin</artifactId>
                    <version>3.0.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.8.0</version>
                </plugin>
                <plugin>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>2.22.1</version>
                </plugin>
                <plugin>
                    <artifactId>maven-war-plugin</artifactId>
                    <version>3.2.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-install-plugin</artifactId>
                    <version>2.5.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-deploy-plugin</artifactId>
                    <version>2.8.2</version>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>
</project>
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