SSM项目之电商项目easymall(一)

<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.jt</groupId>
<artifactId>easymall-ssm</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>easymall-ssm Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<!-- spring的版本号 -->
<spring.version>4.3.7.RELEASE</spring.version>
<!-- mybatis的版本号 -->
<mybatis.version>3.4.5</mybatis.version>
<!-- log日志管理 -->
<slf4j.version>1.7.12</slf4j.version>
<log4j.version>1.2.17</log4j.version>
<pagehelper.version>3.4.2</pagehelper.version>
<jsqlparser.version>0.9.1</jsqlparser.version>
</properties>
<dependencies>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.3.2</version>
</dependency>
<!-- spring context -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- spring mvc -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- spring mvc 辅助包 jackson -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.8.1</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.8.1</version>
</dependency>
<!--servlet依赖 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<!-- Spring tx -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- Spring jdbc -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- Spring aop -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- aspectj -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.7</version>
</dependency>
<!-- mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency> <!-- mybatis-spring -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.1</version>
</dependency>
<!-- mysql 驱动 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.0.8</version>
</dependency>
<!-- junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<!-- 阿里巴巴数据库连接池 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.0.14</version>
</dependency>
<!-- 阿里巴巴的json工具 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.7</version>
</dependency> <!-- commons fileupload -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.2</version>
</dependency>
<!-- jstl -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- Apache poi -->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.13</version>
</dependency>
<!-- 分页插件 -->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>${pagehelper.version}</version>
</dependency>
<dependency>
<groupId>com.github.jsqlparser</groupId>
<artifactId>jsqlparser</artifactId>
<version>${jsqlparser.version}</version>
</dependency>
<!-- shiro -->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-all</artifactId>
<version>1.2.3</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<port>80</port>
<path>/</path>
</configuration>
</plugin>
</plugins>
</build>
</project>

<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
classpath:spring/spring*.xml;
</param-value>
</context-param> 指定当前tomcat启动时需要加载的配置文件,classpath=target/classes;
成功加载配置文件之后,如果有依赖的jar包,就可以正确启动spring springmvc容器了; <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/spring_mvc.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>
创建springmvc中的dispatcherServlet,实现读取springmvc的配置文件,当前的servlet就会提供给springmvc的逻辑使用;
当前dispatcherServlet接收所有的请求地址 "/"

<bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<!-- 允许JVM参数覆盖 -->
<property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE" />
<!-- 忽略没有找到的资源文件 -->
<property name="ignoreResourceNotFound" value="true" />
<!-- 配置资源文件 -->
<property name="locations">
<list>
<value>classpath:mysql.properties</value>
</list>
</property>
</bean>
<!-- 扫描所有com.jt的包-->
<context:component-scan base-package="com.jt"></context:component-scan>

<!-- 在restful模式下,添加静态资源 如果删除导致页面没有js效果-->
<mvc:resources location="/js/" mapping="/js/**"></mvc:resources>
<mvc:resources location="/" mapping="/**"></mvc:resources>

<!-- 扫描spring的组件 -->
<context:component-scan base-package="com.jt.easymall.controller"></context:component-scan><!-- 扫描 spring mvc的注解 @RequestMapping @ResponseBody -->
<mvc:annotation-driven></mvc:annotation-driven>

<!-- spring mvc处理响应的jsp -->
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/views/"></property>
<property name="suffix" value=".jsp"></property>
</bean>

<!-- spring mvc 文件上传 -->
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!--能配置多少个property,可以查文档和查询源代码 -->
<!--最大上传文件的大小 -->
<property name="maxUploadSize" value="8388608"></property>
<property name="resolveLazily" value="true"></property>
</bean>

<!-- 数据库连接池 commons-dbcp ,c3p0,proxool,阿里巴巴druid -->
<bean id="alibabaDataSource"
class="com.alibaba.druid.pool.DruidDataSource"
init-method="init"
destroy-method="close">
<!-- 数据库连接的4项 -->
<property name="driverClassName">
<value>${jdbc_driverClass}</value>
spring启动时,PropertiesPlaceHolder加载了mysql.properties文件 定义的jdbc_driverClass
</property>
<property name="url">
<value>${jdbc_url}</value>
</property>
<property name="username">
<value>${jdbc_userName}</value>
</property>
<property name="password">
<value>${jdbc_userPassword}</value>
</property>
<!-- 连接池中的最大连接数 -->
<property name="maxActive">
<value>5</value>
</property>
<!-- 初始化的连接数 -->
<property name="initialSize">
<value>2</value>
</property>
<!-- 获取连接的最大等待时间 -->
<property name="maxWait">
<value>6000</value>
</property>
<!-- 连接池的最大空闲 -->
<property name="maxIdle">
<value>2</value>
</property>
<!-- 连接池的最小空闲 -->
<property name="minIdle">
<value>2</value>
</property>
<!-- 自动清除无用的连接 -->
<property name="removeAbandoned">
<value>true</value>
</property>
<!-- 自动清除无用的连接的等待时间 -->
<property name="removeAbandonedTimeout">
<value>180</value>
</property>
<!-- 连接属性 -->
<property name="connectionProperties">
<value>clientEncoding=UTF-8</value>
</property>
</bean> <!-- 实例化MyBatis的SqlSessionFactoryBean对象-->
<!--mybatis配置,读取配置文件(扫描配置文件)-->
<bean id="sqlSessionFactory"
class="org.mybatis.spring.SqlSessionFactoryBean"
p:dataSource-ref="alibabaDataSource" //绑定的数据源
p:mapperLocations="classpath:mapper/*.xml"> //映射文件mapper.xml的位置 src/main/resources
<!-- mybatis-config.xml -->
<property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/> //指向mybatis的内容配置文件
<!-- 定义当前工程的别名包 -->
<property name="typeAliasesPackage" value="com.jt.easymall.pojo"/> //持久层封装对象时,无需指定类的全路径名称 resultType="Product"
</bean>

<settings>
<!-- 开启驼峰自动映射 -->
<setting name="mapUnderscoreToCamelCase" value="true" />
<!-- 二级缓存的总开关 redis完成缓存的功能.不使用数据库自身的缓存-->
<setting name="cacheEnabled" value="false" />
</settings>

@RequestMapping("/")
public String goIndex(){
return "index";} package com.jt.easymall.controller;
@Controller
public class IndexController { //添加首页的映射地址"/"
@RequestMapping("/")
public String goIndex(){
return "index";//WEB-INF/views/index.jsp
}}