一.电商模式
二.功能列表
三.系统架构演变
》传统架构：
1000并发：
注意：这里的不同服务器一般都是在不同的主机上的，不同服务器的工程都是一模一样的；配置多台服务器的方式叫做集群
10000并发：
1.如果是1w并发的话，刚才配置多个服务器的方式就不太管用了
2.要实现1w并发，得把架构给改了：将一个项目根据业务拆分成不同的模块（系统），每个节点（系统）分配不同数量的服务器来支持并发，比如：前台系统所需的服务器可能较多（也可以采用缓存的机制来减少服务器的压力），后退系统相对较少
3.像刚才的session共享问题，就可以将session完全交付给登录系统来统一管理，就不需要通过session复制的方式了
4.之前不同的系统在同一台服务器上，实现服务（service）间的调用就直接调了，但是现在不同的系统分配到不同的服务器，想实现系统间的通信可以采用WebService或Socket的方式来调用服务
5.需要按照功能点进行系统划分，拆分独立的功能（系统），单独为某一节点（系统）分配一定数量的服务器，服务器之间互相通信来完成整个项目业务的逻辑，叫做分布式。
》面向SOA的架构（面向服务的架构）
1.像刚才系统拆分的方法有一个缺点：当不同的系统是有相同的业务逻辑时（比如：订单系统和前台系统都需要查询商品的信息），会导致相同服务没有实现共享，而是有各自有自己的服务。
2.为了服务共享的问题，SAO架构出现了；它把表现层和服务层拆解出来，不同的表现层（系统）处理好自己的页面请求，无需关心业务逻辑，服务层的不同服务实现不同的业务逻辑，提供WebService接口或jar包的方式给外面调用。
3.一般服务层的不同服务是分配不同数量的服务器来支持的，服务层的服务并不单单是service，还有dao,pojo等
四.项目的整体架构
五.使用tomcat插件运行聚合过程
》创建好parent父过程，子过程是common,manager，manager下包括多个子模块，分别是：pojo,dao,service,interface,web
》为每个pom.xml文件添加内容等，这里不详细说，最后面会有所有pom.xml的展示
》我们使用tomcat插件来运行项目，一般项目可用来运行的有两类：聚合工程（它的子模块有web工程）和web工程，我们建议优先运行聚合工程，原因是：聚合工程是可直接运行，不需要把工程下的子模块发布到本地库，若运行聚合工程下的web工程，web肯定会依赖同级子模块的，需要将同级子模块给安装到本地库
PS：tomcat插件的配置在聚合工程或web工程的pom.xml中，父工程和jar是不能运行的
六.Mybatis逆向工程
》创建数据库，执行sql脚本创建表
》通过逆向工程代码生成接口，配置文件以及pojo
》逆向工程只执行一次，如果执行了多次请重新删除原来生成的文件，再重新执行
七.ssm整合
》像上面的sqlMapConfig，applictionContext-*,springmvc等xml文件，我们原本是不同的配置文件放到对应的子模块中，比如sqlMapConfig.xml放在dao模块，但是除了web模块外，其他都会达成jar，到时候进行访问jar里面的配置文件就不是那么方便了，所以在这里我们统一把配置文件放到web模块中
》各个配置文件的配置内容：
1.sqlMapConfig：为pojo包取别名
2.applicationContext-dao：引用db,properties，配置连接池，配置session工厂，配置mapper扫描器
3.applicationContext-service：扫描service包下的组件,component-san
4.applicationContext-transaction：配置事务管理器，配置通知，配置切面（织入）
5.springmvc：配置三大组件，分别是controller扫描器，mvc驱动（映射器和适配器），视图解析器
6.web.xml：配置前端控制器，spring加载的监听器contextLoaderListenner,post乱码的过滤器
八.各层的pom.xml
>parent:
<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>cn.e3mall</groupId> <artifactId>e3-parent</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>pom</packaging> <!-- 集中定义依赖版本号 --> <properties> <junit.version>4.12</junit.version> <spring.version>4.2.4.RELEASE</spring.version> <mybatis.version>3.2.8</mybatis.version> <mybatis.spring.version>1.2.2</mybatis.spring.version> <mybatis.paginator.version>1.2.15</mybatis.paginator.version> <mysql.version>5.1.32</mysql.version> <slf4j.version>1.6.4</slf4j.version> <jackson.version>2.4.2</jackson.version> <druid.version>1.0.9</druid.version> <httpclient.version>4.3.5</httpclient.version> <jstl.version>1.2</jstl.version> <servlet-api.version>2.5</servlet-api.version> <jsp-api.version>2.0</jsp-api.version> <joda-time.version>2.5</joda-time.version> <commons-lang3.version>3.3.2</commons-lang3.version> <commons-io.version>1.3.2</commons-io.version> <commons-net.version>3.3</commons-net.version> <pagehelper.version>3.4.2</pagehelper.version> <jsqlparser.version>0.9.1</jsqlparser.version> <commons-fileupload.version>1.3.1</commons-fileupload.version> <jedis.version>2.7.2</jedis.version> <solrj.version>4.10.3</solrj.version> <dubbo.version>2.5.3</dubbo.version> <zookeeper.version>3.4.7</zookeeper.version> <zkclient.version>0.1</zkclient.version> <activemq.version>5.11.2</activemq.version> <freemarker.version>2.3.23</freemarker.version> <quartz.version>2.2.2</quartz.version> </properties> <dependencyManagement> <dependencies> <!-- 时间操作组件 --> <dependency> <groupId>joda-time</groupId> <artifactId>joda-time</artifactId> <version>${joda-time.version}</version> </dependency> <!-- Apache工具组件 --> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>${commons-lang3.version}</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-io</artifactId> <version>${commons-io.version}</version> </dependency> <dependency> <groupId>commons-net</groupId> <artifactId>commons-net</artifactId> <version>${commons-net.version}</version> </dependency> <!-- Jackson Json处理工具包 --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>${jackson.version}</version> </dependency> <!-- httpclient --> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>${httpclient.version}</version> </dependency> <!-- quartz任务调度框架 --> <dependency> <groupId>org.quartz-scheduler</groupId> <artifactId>quartz</artifactId> <version>${quartz.version}</version> </dependency> <!-- 单元测试 --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>${junit.version}</version> <scope>test</scope> </dependency> <!-- 日志处理 --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>${slf4j.version}</version> </dependency> <!-- Mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>${mybatis.spring.version}</version> </dependency> <dependency> <groupId>com.github.miemiedev</groupId> <artifactId>mybatis-paginator</artifactId> <version>${mybatis.paginator.version}</version> </dependency> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper</artifactId> <version>${pagehelper.version}</version> </dependency> <!-- MySql --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${mysql.version}</version> </dependency> <!-- 连接池 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>${druid.version}</version> </dependency> <!-- Spring --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${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> <!-- JSP相关 --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>${jstl.version}</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>${servlet-api.version}</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jsp-api</artifactId> <version>${jsp-api.version}</version> <scope>provided</scope> </dependency> <!-- 文件上传组件 --> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>${commons-fileupload.version}</version> </dependency> <!-- Redis客户端 --> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>${jedis.version}</version> </dependency> <!-- solr客户端 --> <dependency> <groupId>org.apache.solr</groupId> <artifactId>solr-solrj</artifactId> <version>${solrj.version}</version> </dependency> <!-- dubbo相关 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>dubbo</artifactId> <version>${dubbo.version}</version> </dependency> <dependency> <groupId>org.apache.zookeeper</groupId> <artifactId>zookeeper</artifactId> <version>${zookeeper.version}</version> </dependency> <dependency> <groupId>com.github.sgroschupf</groupId> <artifactId>zkclient</artifactId> <version>${zkclient.version}</version> </dependency> <dependency> <groupId>org.apache.activemq</groupId> <artifactId>activemq-all</artifactId> <version>${activemq.version}</version> </dependency> <dependency> <groupId>org.freemarker</groupId> <artifactId>freemarker</artifactId> <version>${freemarker.version}</version> </dependency> </dependencies> </dependencyManagement> <build> <finalName>${project.artifactId}</finalName> <plugins> <!-- 资源文件拷贝插件 --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-resources-plugin</artifactId> <version>2.7</version> <configuration> <encoding>UTF-8</encoding> </configuration> </plugin> <!-- java编译插件 --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.2</version> <configuration> <source>1.7</source> <target>1.7</target> <encoding>UTF-8</encoding> </configuration> </plugin> </plugins> <pluginManagement> <plugins> <!-- 配置Tomcat插件 --> <plugin> <groupId>org.apache.tomcat.maven</groupId> <artifactId>tomcat7-maven-plugin</artifactId> <version>2.2</version> </plugin> </plugins> </pluginManagement> </build> </project>
>common
<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> <parent> <groupId>cn.e3mall</groupId> <artifactId>e3-parent</artifactId> <version>0.0.1-SNAPSHOT</version> </parent> <artifactId>e3-common</artifactId> <!-- 依赖的jar包 --> <dependencies> <!-- 时间操作组件 --> <dependency> <groupId>joda-time</groupId> <artifactId>joda-time</artifactId> </dependency> <!-- Apache工具组件 --> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-io</artifactId> </dependency> <dependency> <groupId>commons-net</groupId> <artifactId>commons-net</artifactId> </dependency> <!-- Jackson Json处理工具包 --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> </dependency> <!-- httpclient --> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> </dependency> <!-- quartz任务调度框架 --> <dependency> <groupId>org.quartz-scheduler</groupId> <artifactId>quartz</artifactId> </dependency> <!-- 单元测试 --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <scope>test</scope> </dependency> <!-- 日志处理 --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> </dependency> </dependencies> </project>
>manager
<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> <parent> <groupId>cn.e3mall</groupId> <artifactId>e3-parent</artifactId> <version>0.0.1-SNAPSHOT</version> </parent> <artifactId>e3-manager</artifactId> <packaging>pom</packaging> <!-- 依赖工具类 --> <dependencies> <dependency> <groupId>cn.e3mall</groupId> <artifactId>e3-common</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> </dependencies> <modules> <module>e3-manager-pojo</module> <module>e3-manager-dao</module> <module>e3-manager-interface</module> <module>e3-manager-service</module> <module>e3-manager-web</module> </modules> <build> <!-- 配置Tomcat插件 --> <plugins> <plugin> <groupId>org.apache.tomcat.maven</groupId> <artifactId>tomcat7-maven-plugin</artifactId> <configuration> <path>/</path> <port>8080</port> </configuration> </plugin> </plugins> </build> </project>
>dao
<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> <parent> <groupId>cn.e3mall</groupId> <artifactId>e3-manager</artifactId> <version>0.0.1-SNAPSHOT</version> </parent> <artifactId>e3-manager-dao</artifactId> <dependencies> <dependency> <groupId>cn.e3mall</groupId> <artifactId>e3-manager-pojo</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> <!-- Mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> </dependency> <dependency> <groupId>com.github.miemiedev</groupId> <artifactId>mybatis-paginator</artifactId> </dependency> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper</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> <!-- 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> </dependencies> </project>
>pojo
<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> <parent> <groupId>cn.e3mall</groupId> <artifactId>e3-manager</artifactId> <version>0.0.1-SNAPSHOT</version> </parent> <artifactId>e3-manager-pojo</artifactId> </project>
>service
<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> <parent> <groupId>cn.e3mall</groupId> <artifactId>e3-manager</artifactId> <version>0.0.1-SNAPSHOT</version> </parent> <artifactId>e3-manager-service</artifactId> <!-- 依赖dao --> <!-- 依赖pojo：传递依赖 --> <!-- 依赖service接口 --> <!-- 依赖spring:传递依赖 --> <dependencies> <!-- 依赖dao --> <dependency> <groupId>cn.e3mall</groupId> <artifactId>e3-manager-dao</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> <!-- 依赖service接口 --> <dependency> <groupId>cn.e3mall</groupId> <artifactId>e3-manager-interface</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> </dependencies> </project>
>interface
<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> <parent> <groupId>cn.e3mall</groupId> <artifactId>e3-manager</artifactId> <version>0.0.1-SNAPSHOT</version> </parent> <artifactId>e3-manager-interface</artifactId> <!-- 依赖pojo --> <dependencies> <dependency> <groupId>cn.e3mall</groupId> <artifactId>e3-manager-pojo</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> </dependencies> <!-- service接口不需要依赖dao --> </project>
>web
<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> <parent> <groupId>cn.e3mall</groupId> <artifactId>e3-manager</artifactId> <version>0.0.1-SNAPSHOT</version> </parent> <artifactId>e3-manager-web</artifactId> <packaging>war</packaging> <!-- 依赖service --> <!-- 依赖spring:传递依赖 --> <!-- 依赖jsp相关的jar --> <!-- 依赖pojo:传递依赖 --> <dependencies> <dependency> <groupId>cn.e3mall</groupId> <artifactId>e3-manager-service</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> <!-- JSP相关 --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jsp-api</artifactId> <scope>provided</scope> </dependency> </dependencies> </project>