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基于SSM的OA系统

基于SSM的OA系统：

-Mybatis、Spring、SpringMVC
-MySql

主要技术：

-SpringIOC
-Mybatis+Spring整合
-声明式事务
-Spring标签库
-Spring拦截器

用例分析：

1.功能模块
-部门信息管理
-员工信息管理
-报销单处理
2.主要角色
-员工
-部门经理
-总经理
-财务

开发流程：

![](https://i.loli.net/2019/09/22/ZKcsEMQ2z46Ch8W.png) ![](https://i.loli.net/2019/09/22/oQB6Eymk2O8tKlp.png) ![](https://i.loli.net/2019/09/22/FQXcfU8d5qRvuLi.png) ![](https://i.loli.net/2019/09/22/dn1qxZavoOctX2u.png) ![](https://i.loli.net/2019/09/22/ylXdR28JYDn4KAP.png) ![](https://i.loli.net/2019/09/22/9MSsujV28YPLAto.png) ![](https://i.loli.net/2019/09/22/gD9FS1EcuHTwvOQ.png) ![](https://i.loli.net/2019/09/22/v89dWqenIUryVjm.png) ![](https://i.loli.net/2019/09/22/2t1G4NhvBEKAeJo.png) ![](https://i.loli.net/2019/09/22/hG7sFtiO8rbzpQn.png) ![](https://i.loli.net/2019/09/22/uV2716gelYSrfGs.png) ![](https://i.loli.net/2019/09/22/1b5hZzgNTHPsVBm.png) ![](https://i.loli.net/2019/09/22/ybsYNU2gz6KqEM1.png) ![](https://i.loli.net/2019/09/22/wOQrm45IAMt29eg.png)

以上便是开发过程：
开发完成之后的代码结构大致是这样的：

![](https://i.loli.net/2019/09/22/cBrkhgzH95fZUVe.png)

其中Biz模块：

![](https://i.loli.net/2019/09/22/mxcRwEXB8YWa7hS.png)

Dao模块：

![](https://i.loli.net/2019/09/22/vVQ4okuUPBeRf7L.png)

Web模块：

![](https://i.loli.net/2019/09/22/1LnPRgfYD3cSX8b.png)

接下来介绍几个文件：

oa中的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">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.fitsoft</groupId>
    <artifactId>oa</artifactId>
    <packaging>pom</packaging>
    <version>1.0-SNAPSHOT</version>

    <modules>
        <module>oa_dao</module>
        <module>oa_biz</module>
        <module>web</module>
    </modules>

</project>

oa_dao中的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>oa</artifactId>
        <groupId>com.fitsoft</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>oa_dao</artifactId>

    <properties>
        <spring-version>4.0.2.RELEASE</spring-version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.11</version>
        </dependency>

        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.4</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring-version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring-version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring-version}</version>
        </dependency>

        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.1</version>
        </dependency>
    </dependencies>
</project>

oa_biz中的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>oa</artifactId>
        <groupId>com.fitsoft</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>oa_biz</artifactId>

    <properties>
        <spring-version>4.0.2.RELEASE</spring-version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>com.fitsoft</groupId>
            <artifactId>oa_dao</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring-version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring-version}</version>
        </dependency>

        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.8.0</version>
        </dependency>
    </dependencies>
</project>

web中的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>oa</artifactId>
        <groupId>com.fitsoft</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>web</artifactId>

    <properties>
        <spring-version>4.0.2.RELEASE</spring-version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>com.fitsoft</groupId>
            <artifactId>oa_dao</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>com.fitsoft</groupId>
            <artifactId>oa_biz</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <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>${spring-version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring-version}</version>
        </dependency>
    </dependencies>
</project>

spring-dao.xml：

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd">

    <context:component-scan base-package="com.fitsoft.oa.dao"/>

    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.cj.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3306/oa?useUnicode=true&amp;characterEncoding=utf-8&amp;serverTimezone=Asia/Shanghai"/>
        <property name="username" value="root"/>
        <property name="password" value="joker666"/>
    </bean>

    <!-- 数据源 -->
    <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="typeAliasesPackage" value="com.fitsoft.oa.entity"/>
    </bean>

    <!-- 映射扫描配置 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="sqlSessionFactoryBeanName" value="sessionFactory"/>
        <property name="basePackage" value="com.fitsoft.oa.dao"/>
    </bean>
</beans>

spring-biz.xml：

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/aop
    http://www.springframework.org/schema/aop/spring-aop.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!-- 关联 -->
    <import resource="spring-dao.xml"/>

    <context:component-scan base-package="com.fitsoft.oa.biz"/>
    <aop:aspectj-autoproxy/>

    <!-- 事务管理器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!-- 声明通知 -->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="get*" read-only="true"/>
            <tx:method name="find*" read-only="true"/>
            <tx:method name="search*" read-only="true"/>
            <tx:method name="*" propagation="REQUIRED"/>
        </tx:attributes>
    </tx:advice>

    <!-- 关联通知和切入点 -->
    <aop:config>
        <!-- 所有参数 -->
        <aop:pointcut id="txpc" expression="execution(* com.fitsoft.oa.biz.*.*(..))"/>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="txpc"/>
    </aop:config>
</beans>

spring-web.xml：

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/mvc
    http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <import resource="spring-biz.xml"/>

    <context:component-scan base-package="com.fitsoft.oa.controller"/>
    <mvc:annotation-driven/>

    <mvc:default-servlet-handler/>

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
        <property name="prefix" value="/WEB-INF/pages/"/>
        <property name="suffix" value=".jsp"/>
    </bean>

    <mvc:interceptors>
        <mvc:interceptor>
            <mvc:mapping path="/**"/>
            <bean class="com.fitsoft.oa.global.LoginInterceptor"/>
        </mvc:interceptor>
    </mvc:interceptors>

</beans>

这里是项目的地址：
https://www.lanzous.com/i6c5jkh
亲测运行OK，另需要此教程的话可以加我QQ，在右侧公告栏，免费。

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原文地址：https://www.cnblogs.com/zqm-sau/p/11569641.html