猿实战是一个原创系列文章，通过实战的方式，采用前后端分离的技术结合SpringMVC Spring Mybatis,手把手教你撸一个完整的电商系统，跟着教程走下来，变身猿人找到工作不是问题。想要一起实战吗？，关注公主号猿人工厂，获取基础代码，手把手带你开发属于自己的电商系统。
从今天开始，我们将进入猿实战的阶段，实现一个前后端分离的电商系统，没有开发框架怎么行？今天是第一个系列，猿人君将带你搭建后端开发框架。
创建应用父模块
父模块负责控制整个应用的结构,因为pzmall-basic作为父项目的存在，无需编写代码,记得在创建完成后，删除项目下的src目录。
创建子模块
考虑到我们需要构建一个B2C(兼容商家端的应用)我们的应用按照代码职责的划分，我们的应用暂时涉及到一下几个模块。
pzmall-basic-common:负责编写项目公用的一些内容，比如工具类。
pzmall-basic-domain:负责项目涉及的实体内容编写。
pzmall-basic-dao:负责数据持久层的内容编写。
pzmall-basic-service：负责业务逻辑层的内容编写。
pzmall-basic-search-util：负责项目搜索引擎工具相关的内容编写。
pzmall-basic-web:负责项目网站端业务内容编写。
pzmall-basic-manweb:负责项目运营管理端业务内容编写。
接下来我们一起来创建子项目pzmall-basic-common。
接下来，以葫芦画瓢，建立pzmall-basic-domain、pzmall-basic-dao、pzmall-basic-service、pzmall-basic-search-util几个子模块，最后得到如下结果。
由于pzmall-basic-web和pzmall-basic-manweb属于web应用，在创建时有所区别，在选择maven项目类型时记得选择正确的archetype,org.apache.maven.archetypes:maven-archetype-webapp.
完成后，并在模块的src/main目录下建立java和resources两个目录。
最后项目的整体结果效果如下，为了测试下效果，编译下项目。
调整项目依赖
就项目模块之间的依赖关系而言，pzmall-basic-common和pzmall-basic-serch-util由于编写的是工具类，相对独立，不依赖于其它模块。pzmall-basic-domain、pzmall-basic-dao、pzmall-basic-service、三者的依赖是存在关联关系的，pzmall-basic-service依赖pzmall-basic-dao，pzmall-basic-dao依赖pzmall-basic-domain。而之前提及的pzmall-basic-common和 pzmall-basic-serch-util更多的会在service层被使用。所以，pzmall-basic-service会依赖pzmall-basic-common和pzmall-basic-serch-util。注意哈，pzmall-basic-domain要尽量保持干净，不要和工具类扯上什么关系，否则对今后的架构方面的扩展，是不友好的。而pzmall-basic-web和pzmall-basic-manweb作为项目最终要部署的war包，依赖pzmall-basic-service就可以了。
接下来我们调整引入各个层面所需要的依赖，搭建我们项目开发所需要的框架。
修改父项目pzmall-basic下pom.xml内容为：
<?xmlversion="1.0" encoding="UTF-8"?>
<projectxmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion> <groupId>com.pz</groupId>
<artifactId>pzmall-basic</artifactId>
<packaging>pom</packaging>
<version>1.0-SNAPSHOT</version> <!-- 集中定义依赖版本号 -->
<properties>
<junit.version>4.12</junit.version>
<spring.version>4.2.4.RELEASE</spring.version>
<servlet-api.version>2.5</servlet-api.version>
<mybatis.version>3.2.8</mybatis.version>
<mybatis.spring.version>1.2.2</mybatis.spring.version>
<mysql.version>5.1.32</mysql.version>
<druid.version>1.0.9</druid.version>
<commons-fileupload.version>1.3.1</commons-fileupload.version>
<freemarker.version>2.3.23</freemarker.version>
<security.version>3.2.3.RELEASE</security.version>
</properties>
<modules>
<module>pzmall-basic-common</module>
<module>pzmall-basic-domain</module>
<module>pzmall-basic-dao</module>
<module>pzmall-basic-service</module>
<module>pzmall-basic-search-util</module>
<module>pzmall-basic-web</module>
<module>pzmall-basic-manweb</module>
</modules>
<dependencyManagement>
<dependencies>
<!-- Spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jms</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.9</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.29</version>
</dependency>
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.11.0.GA</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.10</version>
</dependency> <dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>${servlet-api.version}</version>
<scope>provided</scope>
</dependency>
<!-- Mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>${mybatis.spring.version}</version>
</dependency> <!-- MySql -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<!-- 连接池 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>${druid.version}</version>
</dependency> <!-- 文件上传组件 -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>${commons-fileupload.version}</version>
</dependency> <dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>${freemarker.version}</version>
</dependency> <!-- 身份验证 -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
<version>4.1.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
<version>4.1.0.RELEASE</version>
</dependency>
<dependency>
<groupId>com.github.penggle</groupId>
<artifactId>kaptcha</artifactId>
<version>2.3.2</version>
<exclusions>
<exclusion>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-cas</artifactId>
<version>4.1.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.jasig.cas.client</groupId>
<artifactId>cas-client-core</artifactId>
<version>3.3.3</version>
<!-- 排除log4j包冲突 -->
<exclusions>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>log4j-over-slf4j</artifactId>
</exclusion>
</exclusions>
</dependency> <dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpcore</artifactId>
<version>4.4.4</version>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.3</version>
</dependency>
<dependency>
<groupId>dom4j</groupId>
<artifactId>dom4j</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>xml-apis</groupId>
<artifactId>xml-apis</artifactId>
<version>1.4.01</version>
</dependency>
</dependencies> </dependencyManagement> </project>
修改pzmall-basic-common下pom.xml内容为：
<?xmlversion="1.0" encoding="UTF-8"?> <projectxmlns="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>pzmall-basic</artifactId>
<groupId>com.pz</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>pzmall-basic-common</artifactId>
<name>pzmall-basic-common</name>
<dependencies>
<dependency>
<groupId>com.pz</groupId>
<artifactId>pzmall-basic-domain</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency> <dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
</dependency> <!-- 缓存 -->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
</dependency>
</dependencies>
</project>
修改pzmall-basic-domain下pom.xml内容为：
<?xmlversion="1.0" encoding="UTF-8"?> <projectxmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>pzmall-basic</artifactId>
<groupId>com.pz</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion> <artifactId>pzmall-basic-domain</artifactId> <name>pzmall-basic-domain</name>
<!-- FIXME change it to the project'swebsite -->
<url>http://www.example.com</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
</dependency>
</dependencies>
</project>
修改pzmall-basic-dao下pom.xml内容为：
<?xmlversion="1.0" encoding="UTF-8"?> <projectxmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>pzmall-basic</artifactId>
<groupId>com.pz</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion> <artifactId>pzmall-basic-dao</artifactId> <name>pzmall-basic-dao</name>
<!-- FIXME change it to the project'swebsite -->
<url>http://www.example.com</url>
<dependencies> <!-- Mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
</dependency> <!-- MySql -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<!-- 连接池 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
</dependency> <dependency>
<groupId>com.pz</groupId>
<artifactId>pzmall-basic-domain</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
</dependencies> <build>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources> </build>
</project>
修改pzmall-basic-service下pom.xml内容为：
<?xmlversion="1.0" encoding="UTF-8"?> <projectxmlns="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>pzmall-basic</artifactId>
<groupId>com.pz</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion> <artifactId>pzmall-basic-service</artifactId>
<version>1.0-SNAPSHOT</version> <name>pzmall-basic-service</name>
<!-- FIXME change it to the project'swebsite -->
<url>http://www.example.com</url>
<dependencies>
<!-- Spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jms</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jms</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
</dependency> <dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
</dependency>
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<scope>provided</scope>
</dependency> <dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
</dependency> <dependency>
<groupId>com.pz</groupId>
<artifactId>pzmall-basic-dao</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>com.pz</groupId>
<artifactId>pzmall-basic-common</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
</dependencies>
</project>
修改pzmall-basic-search-util下pom.xml内容为：
<?xmlversion="1.0" encoding="UTF-8"?> <projectxmlns="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>pzmall-basic</artifactId>
<groupId>com.pz</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion> <artifactId>pzmall-basic-search-util</artifactId>
<version>1.0-SNAPSHOT</version> <name>pzmall-basic-search-util</name>
<!-- FIXME change it to the project'swebsite -->
<url>http://www.example.com</url> <dependencies>
<dependency>
<groupId>com.pz</groupId>
<artifactId>pzmall-basic-domain</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency> <dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
</dependency>
</dependencies>
</project>
修改pzmall-basic -web下pom.xml内容为：
<?xmlversion="1.0" encoding="UTF-8"?> <projectxmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>pzmall-basic</artifactId>
<groupId>com.pz</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion> <artifactId>pzmall-basic-web</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging> <name>pzmall-basic-web MavenWebapp</name>
<!-- FIXME change it to the project'swebsite -->
<url>http://www.example.com</url> <dependencies>
<!-- Spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jms</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
</dependency> <dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
</dependency> <dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<scope>provided</scope>
</dependency> <!-- 身份认证的依赖 -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
</dependency> <dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
</dependency> <dependency>
<groupId>com.pz</groupId>
<artifactId>pzmall-basic-service</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency> </dependencies> <build>
<plugins>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<!-- 指定端口 -->
<port>9203</port>
<!-- 请求路径 -->
<path>/</path>
</configuration>
</plugin>
</plugins>
</build>
</project>
修改pzmall-basic -manweb下pom.xml内容为：
<?xmlversion="1.0" encoding="UTF-8"?> <projectxmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>pzmall-basic</artifactId>
<groupId>com.pz</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion> <artifactId>pzmall-basic-manweb</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging> <name>pzmall-basic-manweb MavenWebapp</name>
<!-- FIXME change it to the project'swebsite -->
<url>http://www.example.com</url> <dependencies>
<!-- Spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jms</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
</dependency> <dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
</dependency> <dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<scope>provided</scope>
</dependency> <!-- 身份认证的依赖 -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
</dependency> <dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
</dependency> <dependency>
<groupId>com.pz</groupId>
<artifactId>pzmall-basic-service</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency> </dependencies> <build>
<plugins>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<!-- 指定端口 -->
<port>9201</port>
<!-- 请求路径 -->
<path>/</path>
</configuration>
</plugin>
</plugins>
</build>
</project>
搭建开发框架
1.在pzmall-basic-dao模块的src/main目录下建立resources/mybatis目录,并在mybaits目录下建立SqlMapConfig.xml文件以及mapper目录。
SqlMapConfig.xml下用于配置mybatis全局相关的一些属性，以及加载哪些mapper配置文件，mapper目录下未来将按模块存放相干的mapper文件。
2.在pzmall-basic-manweb目录的resources目录下分别建立spring和config两个目录。并在resources目录下建立applicationContext.xml文件。如下图所示。
3.整合mybatis，在spring目录中建立文件，spring-dao.xml并输入如下内容。
<?xmlversion="1.0" encoding="UTF-8"?>
<beansxmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aophttp://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/utilhttp://www.springframework.org/schema/util/spring-util.xsd"default-autowire="byName"> <!-- 数据库连接池 -->
<bean id="dataSource"class="com.alibaba.druid.pool.DruidDataSource"
destroy-method="close">
<property name="url"value="${jdbc.url}" />
<propertyname="username" value="${jdbc.username}" />
<propertyname="password" value="${jdbc.password}" />
<propertyname="driverClassName" value="${jdbc.driver}" />
<propertyname="maxActive" value="10" />
<propertyname="minIdle" value="5" />
</bean> <!-- 让spring管理sqlsessionfactory 使用mybatis和spring整合包中的 -->
<beanid="mybatisSqlSessionFactory"class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 数据库连接池 -->
<propertyname="dataSource" ref="dataSource" />
<!-- 加载mybatis的全局配置文件 -->
<propertyname="configLocation"value="classpath:mybatis/SqlMapConfig.xml" />
</bean>
<beanclass="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="sqlSessionFactoryBeanName"value="mybatisSqlSessionFactory"/>
<propertyname="basePackage" value="com.pz.basic.mall.dao" />
</bean>
</beans>
4.配置事务相关的内容，在spring目录中建立文件，spring-tx.xml并输入如下内容。
<?xmlversion="1.0" encoding="UTF-8"?>
<beansxmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvchttp://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsd"> <!-- 事务管理器 -->
<bean id="transactionManager"class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<propertyname="dataSource" ref="dataSource" />
</bean> <!-- 开启事务控制的注解支持 -->
<tx:annotation-driventransaction-manager="transactionManager"/> </beans>
5.配置SpringMVC相关内容，先在spring目录中建立文件spring-service.xml备用，然后再建立一个springmvc.xml文件，并在文件中输入如下内容。
<?xmlversion="1.0" encoding="UTF-8"?>
<beansxmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvchttp://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsd"default-autowire="byName"> <mvc:annotation-driven>
<mvc:message-converters register-defaults="true">
<beanclass="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
<propertyname="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
<value>application/json</value>
<value>application/xml;charset=UTF-8</value>
</list>
</property>
<propertyname="features">
<list>
<!-- 默认的意思就是不配置这个属性，配置了就不是默认了 -->
<!-- 是否输出值为null的字段，默认是false --> <value>WriteMapNullValue</value> <value>WriteNullNumberAsZero</value>
<value>WriteNullListAsEmpty</value>
<value>WriteNullStringAsEmpty</value>
<value>WriteNullBooleanAsFalse</value>
<value>WriteDateUseDateFormat</value> </list>
</property>
</bean>
</mvc:message-converters>
</mvc:annotation-driven> <!-- 配置多媒体解析器 -->
<bean id="multipartResolver"class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<propertyname="defaultEncoding" value="UTF-8"></property>
<!-- 设定文件上传的最大值5MB，5*1024*1024 -->
<propertyname="maxUploadSize" value="5242880"></property>
</bean> <!-- 跨域问题解决-->
<mvc:interceptors>
<mvc:interceptor>
<mvc:mappingpath="/**" />
<beanclass="com.pz.basic.mall.interceptor.CommonInterceptor">
<propertyname="excludedUrls">
<list>
<value>/</value>
</list>
</property>
</bean>
</mvc:interceptor> </mvc:interceptors> </beans>
6.由于我们打算使用前后端分离的方式来开发项目，需要解决跨域问题，我们使用了拦截器的方式来处理这个问题，也在springMVC中做了相应的配置。在pzmall-basic-manweb模块中编写代码。
package com.pz.basic.mall.interceptor; import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List; /**
* 处理跨域请求
*/
public classCommonInterceptor implements HandlerInterceptor { private List<String> excludedUrls; public List<String> getExcludedUrls(){
return excludedUrls;
} public voidsetExcludedUrls(List<String> excludedUrls) {
this.excludedUrls = excludedUrls;
} /**
*
* 在业务处理器处理请求之前被调用如果返回false
* 从当前的拦截器往回执行所有拦截器的afterCompletion(),
* 再退出拦截器链, 如果返回true 执行下一个拦截器,
* 直到所有的拦截器都执行完毕再执行被拦截的Controller
* 然后进入拦截器链,
* 从最后一个拦截器往回执行所有的postHandle()
* 接着再从最后一个拦截器往回执行所有的afterCompletion()
*
* @param request
*
* @param response
*/
public boolean preHandle(HttpServletRequestrequest, HttpServletResponse response,
Object handler)throws Exception { response.setHeader("Access-Control-Allow-Origin","*");
response.setHeader("Access-Control-Allow-Methods", "POST,GET, PUT, OPTIONS, DELETE, PATCH");
response.setHeader("Access-Control-Max-Age","3600");
response.setHeader("Access-Control-Allow-Headers","X-Token, Origin, X-Requested-With, Content-Type, Accept");
response.setHeader("Access-Control-Allow-Credentials","true");
response.setHeader("XDomainRequestAllowed","1");
return true;
} // 在业务处理器处理请求执行完成后,生成视图之前执行的动作
public void postHandle(HttpServletRequestrequest, HttpServletResponse response, Object handler,
ModelAndViewmodelAndView) throws Exception { } /**
*
* 在DispatcherServlet完全处理完请求后被调用
* 当有拦截器抛出异常时,
* 会从当前拦截器往回执行所有的拦截器的afterCompletion()
*
* @param request
*
* @param response
*
* @param handler
*
*/
public voidafterCompletion(HttpServletRequest request, HttpServletResponse response,
Object handler,Exception ex) throws Exception { }
}
7.修改pzmall-basic-manweb模块中的resources/config目录下增加db.properties文件，加入数据库相关的配置。
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/pz_mall_basic?useUnicode=true&characterEncoding=UTF-8
jdbc.username=root
jdbc.password=123456
8.在resources目录下新增log4j.properties文件，增加日志相关配置。
log4j.rootLogger=trace,console
logging.level.com.pz.mall.dao=DEBUG
log4j.appender.console= org.apache.log4j.ConsoleAppender
log4j.appender.console.Target= System.out
log4j.appender.console.layout= org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=[%-5p][%d{yyyy-MM-dd HH:mm:ss}]%m%n log4j.logger.com.ibatis=DEBUG
log4j.logger.com.ibatis.common.jdbc.SimpleDataSource=DEBUG
log4j.logger.com.ibatis.common.jdbc.ScriptRunner=DEBUG
log4j.logger.com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate=DEBUG
log4j.logger.Java.sql.Connection=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG
9.修改pzmall-basic-manweb模块中的web.xml文件，增加应用启动相关配置：
<?xmlversion="1.0" encoding="UTF-8"?>
<web-appxmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaeehttp://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
version="2.5">
<!-- 解决post乱码 -->
<filter>
<filter-name>CharacterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>utf-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping> <servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 指定加载的配置文件，通过参数contextConfigLocation加载 -->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet> <servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/*</url-pattern>
</servlet-mapping> <listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener> <context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param> </web-app>
到此为止，我们项目的开发框架搭建完毕。
如学习过程中遇到疑难杂症，自己实在搞不定，可以加我的微信，帮你解决。
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