SSM搭建Easymall电商项目 (一)
目录
5.2OrderMapper.xml(没有子文件可能会报异常)
第一天搭建SSM框架(骨架)
一.创建MavenWeb项目
一.项目创建报错
二.更新Maven项目的pom.xml文件
这里面的相关配置我就不一一介绍了
<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.easymall.com</groupId>
<artifactId>cn.easymall.com</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<properties>
<!-- spring的版本号 -->
<tedu.haha>18</tedu.haha>
<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>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<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>${spring.version}</version>
</dependency>
<!-- spring mvc 辅助包 jackson -->
<!-- spring mvc的辅助依赖包 解析json -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.7.0</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.7.5</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.7.0</version>
</dependency>
<!-- 第三方解析json -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.47</version>
</dependency>
<!--servlet依赖 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<!-- Spring tx -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- Spring jdbc -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${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>
<!-- 阿里巴巴数据库连接池 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.0.14</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>
</dependencies>
<build>
<finalName>1902-easymall-ssm</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<!--配置当前工程的tomcat运行插件,内部启动web应用 -->
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<!-- 需要配置信息,默认8080,默认项目访问路径是项目名称 -->
<configuration>
<port>80</port>
<path>/</path>
<uriEncoding>utf-8</uriEncoding>
</configuration>
</plugin>
</plugins>
</build>
</project>
三,Web.xml配置文件
<?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_2_5.xsd" version="2.5">
<display-name>SSM-easymall-1</display-name>
<!-- 全局初始化数据,spring的监听器读取此配置文件
多个配置文件用分号分隔 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
classpath:spring/spring*.xml;
</param-value>
</context-param>
<!-- spring容器初始化的监听器,会读取全局初始化的数据(xml文件) -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- spring处理中文乱码问题 -->
<filter>
<filter-name>encodingFilter</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>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 配置SpringMVC -->
<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>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
四Spring相关配置文件
4.1Spring.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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:util="http://www.springframework.org/schema/util"
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/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
http://www.springframework.org/schema/util
http://www.springframework.org/schema/util/spring-util.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">
<!-- 使用spring自带的占位符替换功能,可以实现注解方式获取属性文件中的配置值 -->
<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>
<value>classpath:demo01.properties</value>
</list>
</property>
</bean>
<!-- 加载属性文件 此种方式加载属性文件是给spring的配置文件使用的 -->
<!--扫描所有com.jt的包-->
<context:component-scan base-package="com.jt"></context:component-scan>
</beans>
4.2Spring_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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:util="http://www.springframework.org/schema/util"
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/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
http://www.springframework.org/schema/util
http://www.springframework.org/schema/util/spring-util.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">
<!-- 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>
<!-- 驱动 spring mvc的注解 @RequestMapping@GetMapping
@ResponseBody @ReuqestBody @RequestParam @PathVariable-->
<mvc:annotation-driven></mvc:annotation-driven>
<!-- spring mvc处理响应的jsp,视图解析的前缀后缀 -->
<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>
</beans>
4.3Spring_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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:util="http://www.springframework.org/schema/util"
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/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
http://www.springframework.org/schema/util
http://www.springframework.org/schema/util/spring-util.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">
<!-- 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>${jdbc_driverClass}</value>
</property>
<property name="url">
<value>${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>${jdbc_maxActive}</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"
p:mapperLocations="classpath:mapper/*.xml">
<!-- mybatis-config.xml -->
<property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/>
<!-- 定义当前工程的别名包 -->
<property name="typeAliasesPackage" value="com.jt.easymall.pojo"/>
</bean>
<!-- 扫描所有XXXMapper的对象 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"
p:basePackage="com.jt.easymall.mapper"
p:sqlSessionFactoryBeanName="sqlSessionFactory">
</bean>
<!-- 定义事务管理器 使用@Transactional -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="alibabaDataSource" />
</bean>
<!-- 定义事务策略 -->
<tx:annotation-driven transaction-manager="transactionManager" />
</beans>
五.Mybatis相关配置文件
5.1mybatis-config.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<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>
</configuration>
5.2OrderMapper.xml(没有子文件可能会报异常)
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.jt.easymall.mapper.OrderMapper">
</mapper>
六数据库配置文件
jdbc_driverClass=com.mysql.jdbc.Driver
jdbc_url=jdbc:mysql://localhost:3306/easymalldb?useUnicode=true&characterEncoding=utf8&autoReconnect=true&allowMultiQueries=true
jdbc_userName=root
jdbc_userPassword=123456
jdbc_maxActive=5
七.前端JSP文件复制到项目
ps:前端页面会有前端人员来写 我们只处理后端逻辑即可,当然感兴趣自己写也可以(我会把项目上传到优快云)
太多就不一一发了 需要去下载即可
八.写一个测试类测试项目是否能跑的通
8.1写一个简单测试类IndexController
package com.jt.easymall.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
public class IndexController {
//com.jt.easymall.interceptors.UserLoginInterceptor
@RequestMapping("/")
public String goIndex(){
return "index";//WEB-INF/views/index.jsp
}
@RequestMapping("/page/{pageName}")
public String goPage(@PathVariable String pageName){
return pageName;
}
}
九运行项目
9.1启动tomcat
9.2控制台信息
9.3浏览器信息
二.第一天配置项目,搭建成功,第二天写具体代码和需求
项目已上传,数据库已上传