supermarket SSM

1.数据库

2.整体空架构（jar包）

3.工程依赖 24节点 build节点

<properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <!--spring对应的版本号-->
        <spring.version>4.3.10.RELEASE</spring.version>
    </properties>
    <!--引入需要的spring 核心jar-->
    <dependencies>
        <!-- https://mvnrepository.com/artifact/junit/junit -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.0</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</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-expression</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!--SpringJDBC需要的jar-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!--spring整合aspect需要的jar-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!--引入spring需要的事务jar包-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!--引入springmvc需要的jar包-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.springframework/spring-test -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
            <scope>test</scope>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.springframework/spring-orm -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>aopalliance</groupId>
            <artifactId>aopalliance</artifactId>
            <version>1.0</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.0</version>
        </dependency>

        <dependency>
            <groupId>commons-logging</groupId>
            <artifactId>commons-logging</artifactId>
            <version>1.1.1</version>
        </dependency>

        <!--引入mysql的驱动包-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.38</version>
        </dependency>

        <!--配置jdbc需要的数据源-->
        <dependency>
            <groupId>commons-pool</groupId>
            <artifactId>commons-pool</artifactId>
            <version>1.6</version>
        </dependency>

        <dependency>
            <groupId>commons-dbcp</groupId>
            <artifactId>commons-dbcp</artifactId>
            <version>1.4</version>
        </dependency>

        <!--aspectj需要的jar-->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.8.10</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
        </dependency>
        <!--引入需要的jstl jar-->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.javassist/javassist -->
        <dependency>
            <groupId>org.javassist</groupId>
            <artifactId>javassist</artifactId>
            <version>3.20.0-GA</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.1</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.7.3</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.8.9</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>2.8.8</version>
        </dependency>

    </dependencies>

<build>
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.xml</include>
                </includes>
            </resource>
        </resources>
</build>

4.4个配置文件

　　1.配置web.xml节点

　　　　1.context-param
　　　　2.编码过滤器
　　　　3. lister
　　　　4. Springmvc前端控制器
　　　　5.静态资源放行，交给Tomcat默认的servelt解决

<!DOCTYPE web-app PUBLIC
        "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
        "http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
    <display-name>Archetype Created Web Application</display-name>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <!--解决编码的过滤器-->
    <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>
    <!--监听器-->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <!--Springmvc配置，前端控制器，就是一个Servlet-->
    <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: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>
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.jpg</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.js</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.css</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.png</url-pattern>
    </servlet-mapping>
</web-app>

　　2.配置mybatis-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>
<!--别名-->
    <typeAliases>
        <package name="cn.happy.bean"></package>
    </typeAliases>
</configuration>

　　3.配置jdbc.properties

jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.jdbcUrl=jdbc:mysql:///smbms
jdbc.userName=root
jdbc.password=1234

　　4.配置applicationContext.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:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.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
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd">
    <!--包扫描器-->
    <context:component-scan base-package="cn.happy"/>
    <!--mvc注解驱动  Json Object-->
    <mvc:annotation-driven/>
    <!--1.数据源 dbcp Spring自带的 c3p0 Druid-->
    <!--使用dbcp数据源-->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
        <property name="driverClassName" value="${jdbc.driverClass}"/>
        <property name="url" value="${jdbc.jdbcUrl}"/>
        <property name="username" value="${jdbc.userName}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>
    <!--2.识别jdbc.properties文件一个节点-->
    <context:property-placeholder location="classpath:jdbc.properties"/>
    <!--3.SessionFactory-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
    </bean>
    <!--4.扫描Mapper-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="cn.happy.dao"/>
    </bean>

    <!--配置jsp显示ViewResolver-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
    <!--事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <!--9.事务-->
    <tx:annotation-driven transaction-manager="transactionManager"/>
</beans>

5.分层

　　1.Bean

import java.io.Serializable;
import java.sql.Timestamp;
import java.util.Date;
//用户
public class User implements Serializable {
    private Integer id;
    private String userCode;
    private String userName;
    private String userPassword;
    private Integer gender;
    private Date birthday;
    private String phone;
    private String address;
    private Integer userType;
    private Integer createdBy;
    private Timestamp creationDate;
    private Integer modifyBy;
    private Timestamp modifyDate;
    public User() {
    }
    public User(Integer id, String userCode, String userName, String userPassword, Integer gender, Date birthday, String phone, String address, Integer userType, Integer createdBy, Timestamp creationDate, Integer modifyBy, Timestamp modifyDate) {
        this.id = id;
        this.userCode = userCode;
        this.userName = userName;
        this.userPassword = userPassword;
        this.gender = gender;
        this.birthday = birthday;
        this.phone = phone;
        this.address = address;
        this.userType = userType;
        this.createdBy = createdBy;
        this.creationDate = creationDate;
        this.modifyBy = modifyBy;
        this.modifyDate = modifyDate;
    }
    public Integer getId() {
        return id;
    }
    public void setId(Integer id) {
        this.id = id;
    }
    public String getUserCode() {
        return userCode;
    }
    public void setUserCode(String userCode) {
        this.userCode = userCode;
    }
    public String getUserName() {
        return userName;
    }
    public void setUserName(String userName) {
        this.userName = userName;
    }
    public String getUserPassword() {
        return userPassword;
    }
    public void setUserPassword(String userPassword) {
        this.userPassword = userPassword;
    }
    public Integer getGender() {
        return gender;
    }
    public void setGender(Integer gender) {
        this.gender = gender;
    }
    public Date getBirthday() {
        return birthday;
    }
    public void setBirthday(Date birthday) {
        this.birthday = birthday;
    }
    public String getPhone() {
        return phone;
    }
    public void setPhone(String phone) {
        this.phone = phone;
    }
    public String getAddress() {
        return address;
    }
    public void setAddress(String address) {
        this.address = address;
    }
    public Integer getUserType() {
        return userType;
    }
    public void setUserType(Integer userType) {
        this.userType = userType;
    }
    public Integer getCreatedBy() {
        return createdBy;
    }
    public void setCreatedBy(Integer createdBy) {
        this.createdBy = createdBy;
    }
    public Timestamp getCreationDate() {
        return creationDate;
    }
    public void setCreationDate(Timestamp creationDate) {
        this.creationDate = creationDate;
    }
    public Integer getModifyBy() {
        return modifyBy;
    }
    public void setModifyBy(Integer modifyBy) {
        this.modifyBy = modifyBy;
    }
    public Timestamp getModifyDate() {
        return modifyDate;
    }
    public void setModifyDate(Timestamp modifyDate) {
        this.modifyDate = modifyDate;
    }
    @Override
    public String toString() {
        return "User{" +
                "id=" + id +
                ", userCode='" + userCode + '\'' +
                ", userName='" + userName + '\'' +
                ", userPassword='" + userPassword + '\'' +
                ", gender=" + gender +
                ", birthday=" + birthday +
                ", phone='" + phone + '\'' +
                ", address='" + address + '\'' +
                ", userType=" + userType +
                ", createdBy=" + createdBy +
                ", creationDate=" + creationDate +
                ", modifyBy=" + modifyBy +
                ", modifyDate=" + modifyDate +
                '}';
    }
}

　　3.Dao

　　　　1.用户Dao接口层

import cn.happy.bean.User;
import cn.happy.util.PageUtil;
import java.util.List;
import java.util.Map;
/**
 * 用户接口层
 */
public interface IUserDao {
    //1.登录方法
    public User isLog(User user);
    //检索所有用户的集合
    public List<User> findAllUsers();
    //获取总记录数
    public int getTotalCount();
    //获取单页数据
    public List<User> getOnePageData(Map<String, Object> map);
    PageUtil getOnePageData(int pageIndex, int pageSize);
}

　　用户Dao实现层（用Mybatis实现）

<?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="cn.happy.dao.IUserDao">
    <!--登录-->
    <select id="isLog" parameterType="User" resultType="User">
        select userCode,userName  FROM  smbms_user WHERE userCode=#{userCode} AND userPassword=#{userPassword}
    </select>

    <!--2.检索所有用户集合-->
    <select id="findAllUsers" resultType="User">
        SELECT  * from smbms_user
    </select>

    <!--获取总记录数-->
    <select id="getTotalCount" resultType="int">
        SELECT count(1) from smbms_user
    </select>

    <!--获取单页数据-->
    <select id="getOnePageData" resultType="User">
        SELECT  * from smbms_user limit #{pageIndex},#{pageSize}
    </select>

</mapper>

　　2.Service

import cn.happy.bean.User;
import cn.happy.util.PageUtil;
import java.util.List;
public interface IUserService {
    //1.登录方法
    public User isLog(User user);
    //检索所有用户的集合
    public List<User> findAllUsers();
    //获取总记录数
    public int getTotalCount();
    //获取单页数据
    public PageUtil getOnePageData(int pageIndex, int pageSize);
}

　　UserServiceImpl

import cn.happy.bean.User;
import cn.happy.dao.IUserDao;
import cn.happy.service.IUserService;
import cn.happy.util.PageUtil;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Created by Administrator on 2017/10/30.
 */
@Service("userService")
public class IUserServiceImpl implements IUserService {
    //dao层对象
    @Resource(name = "IUserDao")//将Spring容器悬浮的哪个DAO对象赋值给成员变量
    private IUserDao userDao;
    @Override
    public User isLog(User user) {
        System.out.println("service");
        return userDao.isLog(user);
    }
    @Override
    public List<User> findAllUsers() {
        return userDao.findAllUsers();
    }
    @Override
    public int getTotalCount() {
        return 0;
    }
    @Override
    public PageUtil getOnePageData(int pageIndex, int pageSize) {
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("pageIndex", pageIndex * pageSize);
        map.put("pageSize", pageSize);
        PageUtil page = new PageUtil();//实例化一个PageUtil对象
        page.setPageSize(pageSize);//给PageUtil属性赋值
        page.setPageIndex(pageIndex);//给PageUtil的pageIndex赋值
        int totalCount = userDao.getTotalCount();
        page.setTotalRecords(totalCount);
        int totalPage = page.getTotalRecords() % page.getPageSize() == 0 ? page.getTotalRecords() / page.getPageSize() : page.getTotalRecords() / page.getPageSize() + 1;
        page.setTotalPages(totalPage);
        List<User> list = userDao.getOnePageData(map);
        page.setList(list);
        return page;
    }
}