标签：

1. 动手需求分析，希望巩固自己已经有的技术，并且如果在开发中遇到新技术，便于学习新技术。
2. 本系统分2大部分，跟大众系统的功能差不多，一个是后台管理系统：商家管理后台登录用户，商家详细信息管理，商品的上架，下架，信息修改，查询所有商品的功能，统计商品的销售情况。另一个是前台的商品展示页面，包括购买者的注册，登录，购物车，商品展示，商品详细信息浏览等。
3. 数据库和数据库表只能系统搭建好后慢慢分析了。
4. 运用的工具和技术：eclipse4.3+tomcat7+mysql   springMVC+mybatis+ajax+json+jQuery+easyui前端框架

一、系统框架搭建

1. 建立CopyYSL工程：
2. 配置spring-mvc.xml

   <?xml version="1.0" encoding="UTF-8"?>
   <beans xmlns="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" xmlns:task="http://www.springframework.org/schema/task"
       xsi:schemaLocation="http://www.springframework.org/schema/beans  
                           http://www.springframework.org/schema/beans/spring-beans-3.1.xsd  
                           http://www.springframework.org/schema/context  
                           http://www.springframework.org/schema/context/spring-context-3.1.xsd  
                           http://www.springframework.org/schema/mvc  
                           http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
                           http://www.springframework.org/schema/task 
                            http://www.springframework.org/schema/task/spring-task-3.1.xsd
                            ">
   
       <!-- 启用注解功能 -->
       <context:annotation-config />
       <bean class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor" />
   
       <!-- 自动扫描该包，使SpringMVC认为包下用了@controller注解的类是控制器 -->
       <context:component-scan base-package="com.ysl" />
   
       <!-- 定时任务扫描注解 -->
       <task:annotation-driven />
       
       <!--避免IE执行AJAX时，返回JSON出现下载文件 -->
       <bean id="mappingJacksonHttpMessageConverter"
           class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">
           <property name="supportedMediaTypes">
               <list>
                   <value>text/html;charset=UTF-8</value>
               </list>
           </property>
       </bean>
       <!-- 启动SpringMVC的注解功能，完成请求和注解POJO的映射 -->
       <bean
           class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
           <property name="messageConverters">
               <list>
                   <ref bean="mappingJacksonHttpMessageConverter" />    <!-- JSON转换器 -->
               </list>
           </property>
       </bean>
       <!-- 定义跳转的文件的前后缀 ，视图模式配置 -->
       <!-- jsp页面解析器，当Controller返回XXX字符串时，先通过拦截器，然后该类就会在/WEB-INF/views/目录下，查找XXX.jsp文件-->
       <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
           <property name="prefix" value="/WEB-INF/views/"/>
           <property name="suffix" value=".jsp"/>
       </bean>
   
       <!-- 配置文件上传，如果没有使用文件上传可以不用配置，当然如果不配，那么配置文件中也不必引入上传组件包 -->
       <bean id="multipartResolver"
           class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
           <!-- 默认编码 -->
           <property name="defaultEncoding" value="utf-8" />
           <!-- 文件大小最大值 -->
           <property name="maxUploadSize" value="10485760000" />
           <!-- 内存中的最大值 -->
           <property name="maxInMemorySize" value="40960" />
       </bean>
       </beans>

    

3. 配置spring-mybatis.xml

   <?xml version="1.0" encoding="UTF-8"?>
   <beans xmlns="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/beans  
                           http://www.springframework.org/schema/beans/spring-beans-3.1.xsd  
                           http://www.springframework.org/schema/context  
                           http://www.springframework.org/schema/context/spring-context-3.1.xsd  
                           http://www.springframework.org/schema/mvc  
                           http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd">
       <!-- 自动扫描 -->
       <context:component-scan base-package="com.ysl" />
       
       <!-- 引入配置文件 -->
       <bean id="configProperties" class="org.springframework.beans.factory.config.PropertiesFactoryBean">  
          <property name="locations">  
              <list>  
                  <value>classpath:jdbc.properties</value>
              </list>  
          </property>  
       </bean>  
       <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PreferencesPlaceholderConfigurer">  
           <property name="properties" ref="configProperties" />  
       </bean>  
       
   
   
       <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
           destroy-method="close">
           <property name="driverClassName" value="${driver}" />
           <property name="url" value="${url}" />
           <property name="username" value="${username}" />
           <property name="password" value="${password}" />
           <!-- 初始化连接大小 -->
           <property name="initialSize" value="${initialSize}"></property>
           <!-- 连接池最大数量 -->
           <property name="maxActive" value="${maxActive}"></property>
           <!-- 连接池最大空闲 -->
           <property name="maxIdle" value="${maxIdle}"></property>
           <!-- 连接池最小空闲 -->
           <property name="minIdle" value="${minIdle}"></property>
           <!-- 获取连接最大等待时间 -->
           <property name="maxWait" value="${maxWait}"></property>
       </bean>
   
       <!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
       <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
           <property name="dataSource" ref="dataSource" />
           <!-- 自动扫描mapping.xml文件 -->
           <property name="mapperLocations"
            value="classpath:com/ysl/mappers/*/*Mapper.xml"></property>
       </bean>
   
       <!-- DAO接口所在包名，Spring会自动查找其下的类 -->
       <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
           <property name="basePackage" value="com.ysl.dao" />
           <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
       </bean>
   
       <!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
       <bean id="transactionManager"
           class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
           <property name="dataSource" ref="dataSource" />
       </bean>
   
   </beans>

    

4. 配置jdbc.properties

   driver=com.mysql.jdbc.Driver
   url=jdbc:mysql://localhost:3306/db_taobao?characterEncoding=UTF-8
   username=root
   password=123
   #\u5b9a\u4e49\u521d\u59cb\u8fde\u63a5\u6570
   initialSize=0
   #\u5b9a\u4e49\u6700\u5927\u8fde\u63a5\u6570
   maxActive=20
   #\u5b9a\u4e49\u6700\u5927\u7a7a\u95f2
   maxIdle=20
   #\u5b9a\u4e49\u6700\u5c0f\u7a7a\u95f2
   minIdle=1
   #\u5b9a\u4e49\u6700\u957f\u7b49\u5f85\u65f6\u95f4
   maxWait=60000

    

5. 配置web.xml

   <?xml version="1.0" encoding="UTF-8"?>
   <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0">
     <display-name>CopyYSL</display-name>
     <welcome-file-list>
       <welcome-file>login.jsp</welcome-file>
     </welcome-file-list>
     <listener>
       <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
     </listener>
     <context-param>
       <param-name>contextConfigLocation</param-name>
       <param-value>classpath:spring-mybatis.xml</param-value>
     </context-param>
     <filter>
       <filter-name>encodingFilter</filter-name>
       <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
       <async-supported>true</async-supported>
       <init-param>
         <param-name>encoding</param-name>
         <param-value>UTF-8</param-value>
       </init-param>
     </filter>
     <filter-mapping>
       <filter-name>encodingFilter</filter-name>
       <url-pattern>/*</url-pattern>
     </filter-mapping>
     <listener>
       <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
     </listener>
     <listener>
       <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
     </listener>
     <servlet>
       <servlet-name>SpringMVC</servlet-name>
       <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
       <init-param>
         <param-name>contextConfigLocation</param-name>
         <param-value>classpath:spring-mvc.xml</param-value>
       </init-param>
       <load-on-startup>1</load-on-startup>
       <async-supported>true</async-supported>
     </servlet>
     <servlet-mapping>
       <servlet-name>SpringMVC</servlet-name>
       <url-pattern>*.do</url-pattern>
     </servlet-mapping>
     <session-config>
       <session-timeout>30</session-timeout>
     </session-config>
     <servlet>
       <servlet-name>randImageServlet</servlet-name>
       <servlet-class>com.ysl.servlet.RandImageServlet</servlet-class>
     </servlet>
     <servlet-mapping>
       <servlet-name>randImageServlet</servlet-name>
       <url-pattern>/servlet/randImageServlet</url-pattern>
     </servlet-mapping>
   </web-app>

    

6. 
   

实际动手写一个商城购物系统

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原文地址：http://www.cnblogs.com/yshldream/p/4838219.html