简易的CRM系统案例之SpringMVC+JSP+MySQL+myBatis框架版本

主要对上一版DAO框架的替换hibernate变成myBatis

简易的CRM系统案例之SpringMVC+JSP+MySQL+hibernate框架版本

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src/mybatis.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>

    <!-- 加载映射文件-->
    <mappers>
        <mapper resource="com/loaderman/crm/entity/userMapper.xml"/>
        <mapper resource="com/loaderman/crm/entity//accountMapper.xml"/>
        <mapper resource="com/loaderman/crm/entity//policyMapper.xml"/>
    </mappers>

</configuration>

accountMapper.xml

<?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">

<!-- namespace属性是名称空间，必须唯一 -->
<mapper namespace="com.loaderman.crm.entity.Account">

    <select id="findIsHas"  parameterType="com.loaderman.crm.entity.Account" resultType="com.loaderman.crm.entity.Account">
        select * from t_account where username=#{username} and password=#{password}
    </select>

</mapper>

userMapper.xml

<?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">

<!-- namespace属性是名称空间，必须唯一 -->
<mapper namespace="com.loaderman.crm.entity.User">

    <update id="modifyUser" parameterType="com.loaderman.crm.entity.User">
        update t_user set id=#{id},name=#{name},tel=#{tel},age=#{age},telephone=#{telephone},idCard=#{idCard},address=#{address},weixin=#{weixin},qq=#{qq},email=#{email},job=#{job},area=#{area},grade=#{grade},remark=#{remark} where id=#{id}

    </update>

    <delete id="delUser" parameterType="com.loaderman.crm.entity.User">
        delete from t_user where id = #{id}
    </delete>
    <insert id="addUser" parameterType="com.loaderman.crm.entity.User" >
        insert into t_user (id,name,sex,age,telephone,idCard,address,weixin,qq,email,job,area,grade,remark) values(#{id},#{name},#{sex},#{age},#{telephone},#{idCard},#{address},#{weixin},#{qq},#{email},#{job},#{area},#{grade},#{remark})
    </insert>
    <select  id="getUserByName" parameterType="String" resultType="com.loaderman.crm.entity.User">
        select * from t_user where name=#{name}
    </select >
    <select id="getUserMoreInfo"  parameterType="com.loaderman.crm.entity.User" resultType="com.loaderman.crm.entity.User">
        select * from t_user where id=#{id}
    </select>
    <select id="findUser"  parameterType="com.loaderman.crm.entity.User" resultType="com.loaderman.crm.entity.User">
        select * from t_user where id=#{id}
    </select>
    <select  id="getAllUser"  resultType="com.loaderman.crm.entity.User">
        select * from t_user
    </select >
</mapper>

policyMapper.xml

<?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">

<!-- namespace属性是名称空间，必须唯一 -->
<mapper namespace="com.loaderman.crm.entity.Policy">
    <update id="modifyPolicy" parameterType="com.loaderman.crm.entity.Policy">
              update t_policy set id=#{id},name=#{name},tel=#{tel},policyID=#{policyID},policyName=#{policyName},orderTime=#{orderTime},orderType=#{orderType},policyMoney=#{policyMoney},insuranceCoverage=#{insuranceCoverage},orderPayYears=#{orderPayYears},safeguardYear=#{safeguardYear},profitPercentage=#{profitPercentage},profitMoney=#{profitMoney},remark=#{remark} where id=#{id}

    </update>
    <delete id="delPolicy" parameterType="com.loaderman.crm.entity.Policy">
        delete from t_policy where id = #{id}
    </delete>
    <insert id="addPolicy" parameterType="com.loaderman.crm.entity.Policy" >
        insert into t_policy (id,name,tel,policyID,policyName,orderTime,orderType,policyMoney,insuranceCoverage,orderPayYears,safeguardYear,profitPercentage,profitMoney,remark) values(#{id},#{name},#{tel},#{policyID},#{policyName},#{orderTime},#{orderType},#{policyMoney},#{insuranceCoverage},#{orderPayYears},#{safeguardYear},#{profitPercentage},#{profitMoney},#{remark})
    </insert>
    <select  id="getPolicyMoreInfoByName" parameterType="String" resultType="com.loaderman.crm.entity.Policy">
        select * from t_policy where name=#{name}
    </select >
    <select id="getPolicyMoreInfo"  parameterType="com.loaderman.crm.entity.Policy" resultType="com.loaderman.crm.entity.Policy">
        select * from t_policy where id=#{id}
    </select>
    <select id="findPolicy"  parameterType="com.loaderman.crm.entity.Policy" resultType="com.loaderman.crm.entity.Policy">
        select * from t_policy where id=#{id}
    </select>

    <select  id="getAllPolicy"  resultType="com.loaderman.crm.entity.Policy">
        select * from t_policy
    </select >

</mapper>

package com.loaderman.crm.util;

//当没有使用spring的时候可以使用

import java.io.IOException;
import java.io.Reader;
import java.sql.Connection;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

/**
 * 工具类
 */
public class MybatisUtil {
    private static ThreadLocal<SqlSession> threadLocal = new ThreadLocal<SqlSession>();
    private static SqlSessionFactory sqlSessionFactory;
    /**
     * 加载位于src/mybatis.xml配置文件
     */
    static{
        try {
            Reader reader = Resources.getResourceAsReader("mybatis.xml");
            sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
        } catch (IOException e) {
            e.printStackTrace();
            throw new RuntimeException(e);
        }
    }
    /**
     * 禁止外界通过new方法创建
     */
    private MybatisUtil(){}
    /**
     * 获取SqlSession
     */
    public static SqlSession getSqlSession(){
        //从当前线程中获取SqlSession对象
        SqlSession sqlSession = threadLocal.get();
        //如果SqlSession对象为空
        if(sqlSession == null){
            //在SqlSessionFactory非空的情况下，获取SqlSession对象
            sqlSession = sqlSessionFactory.openSession();
            //将SqlSession对象与当前线程绑定在一起
            threadLocal.set(sqlSession);
        }
        //返回SqlSession对象
        return sqlSession;
    }
    /**
     * 关闭SqlSession与当前线程分开
     */
    public static void closeSqlSession(){
        //从当前线程中获取SqlSession对象
        SqlSession sqlSession = threadLocal.get();
        //如果SqlSession对象非空
        if(sqlSession != null){
            //关闭SqlSession对象
            sqlSession.close();
            //分开当前线程与SqlSession对象的关系，目的是让GC尽早回收
            threadLocal.remove();
        }
    }

    /**
     * 测试
     */
    public static void main(String[] args) {
        Connection conn = MybatisUtil.getSqlSession().getConnection();
        System.out.println(conn!=null?"连接成功":"连接失败");
    }
}

bean-dao.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:aop="http://www.springframework.org/schema/aop"
       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/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">
    <bean id="accountDao" class="com.loaderman.crm.dao.impl.AccountDaoimp" scope="singleton" lazy-init="false">
        <property name="sqlSessionFactory" ref="sqlSessionFactoryBeanID"/>
    </bean>
    <bean id="policyDao" class="com.loaderman.crm.dao.impl.PolicyDaoimp" scope="singleton" lazy-init="false">
        <property name="sqlSessionFactory" ref="sqlSessionFactoryBeanID"/>
    </bean>
    <bean id="userDao" class="com.loaderman.crm.dao.impl.UserDaoimp" scope="singleton" lazy-init="false">
        <property name="sqlSessionFactory" ref="sqlSessionFactoryBeanID"/>
    </bean>
    <aop:aspectj-autoproxy proxy-target-class="true"/>
</beans>     

bean-base.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:aop="http://www.springframework.org/schema/aop"
       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/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">

    <!-- 配置C3P0连接池(即管理数据库连接) -->
    <bean id="comboPooledDataSourceID" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="com.mysql.jdbc.Driver"/>
        <property name="jdbcUrl" value="jdbc:mysql://127.0.0.1:3306/infos"/>
        <property name="user" value="root"/>
        <property name="password" value="root"/>
    </bean>

    <!-- 配置SqlSessionFactoryBean(即替代MyBatisUtil工具类的作用) -->
    <bean id="sqlSessionFactoryBeanID" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="comboPooledDataSourceID"/>
        <property name="configLocation" value="classpath:mybatis.xml"/>
    </bean>

    <!-- 配置事务管理器(即使用JDBC事务管理器) -->
    <bean id="dataSourceTransactionManagerID" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="comboPooledDataSourceID"/>
    </bean>

    <!-- 配置事务通知(即哪些方法需要事务) -->
    <tx:advice id="tx" transaction-manager="dataSourceTransactionManagerID">
        <tx:attributes>
            <tx:method name="*" propagation="REQUIRED"/>
        </tx:attributes>
    </tx:advice>

    <!-- 配置事务切面(即哪些包中的类需要事务通知) -->
    <aop:config>
        <aop:pointcut id="pointcut" expression="execution(* com.loaderman.crm.dao.*.*(..))"/>
        <aop:advisor advice-ref="tx" pointcut-ref="pointcut" />
    </aop:config>

</beans>

spring.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:aop="http://www.springframework.org/schema/aop"
        xmlns:tx="http://www.springframework.org/schema/tx"
        xmlns:mvc="http://www.springframework.org/schema/mvc"
        xsi:schemaLocation="
      http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
      http://www.springframework.org/schema/context
      http://www.springframework.org/schema/context/spring-context-3.0.xsd
      http://www.springframework.org/schema/mvc
      http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
      ">
    <import resource="config/bean-base.xml"/>
    <!--<import resource="config/bean-action.xml"/>-->
    <import resource="config/bean-dao.xml"/>
    <!--<import resource="config/bean-service.xml"/>-->
    <import resource="config/bean-entity.xml"/>

    <!-- Action控制器 -->
    <context:component-scan base-package="com.loaderman.crm"/>

    <!-- 基于注解的映射器(可选) -->
    <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"/>

    <!-- 基于注解的适配器(可选) -->
    <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"/>

    <!-- 视图解析器(可选) -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"/>

</beans>

package com.loaderman.crm.dao.impl;

import com.loaderman.crm.dao.BaseDao;
import com.loaderman.crm.dao.UserDao;
import com.loaderman.crm.entity.User;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository
public class UserDaoimp extends BaseDao implements UserDao {
    // Spring与Hibernate整合： IOC容器注入
    private SqlSessionFactory sqlSessionFactory;

    public void setSqlSessionFactory(SqlSessionFactory sqlSessionFactory) {
        this.sqlSessionFactory = sqlSessionFactory;
    }

    @Override
    public List<User> getAllUser() {
        SqlSession sqlSession = sqlSessionFactory.openSession();
        List<User> list = sqlSession.selectList("com.loaderman.crm.entity.User.getAllUser");
        sqlSession.commit();
        return list;
    }

    @Override
    public User getUserMoreInfo(User user) {
        SqlSession sqlSession = sqlSessionFactory.openSession();
        User user1 = sqlSession.selectOne("com.loaderman.crm.entity.User.getUserMoreInfo",user);
        sqlSession.commit();
        return user1;

    }

    @Override
    public List<User> getUserByName(String name) {
        SqlSession sqlSession = sqlSessionFactory.openSession();
        System.out.println("name"+name);
        List<User> list = sqlSession.selectList("com.loaderman.crm.entity.User.getUserByName",name);
        sqlSession.commit();
        return list;

    }

    @Override
    //添加学生
    public int addUser(User user) {
        SqlSession sqlSession = sqlSessionFactory.openSession();
        int insert = sqlSession.insert("com.loaderman.crm.entity.User.addUser",user);
        sqlSession.commit();
        return insert;

    }

    @Override
    //删除
    public int delUser(User user) {

        SqlSession sqlSession = sqlSessionFactory.openSession();
        int delete = sqlSession.delete("com.loaderman.crm.entity.User.delUser",user);
        sqlSession.commit();

        return delete;
    }

    @Override
    public int modifyUser(User user) {
        SqlSession sqlSession = sqlSessionFactory.openSession();
        int update = sqlSession.update("com.loaderman.crm.entity.User.modifyUser",user);
        sqlSession.commit();

        return update;

    }

    //查找指定的客户存在不存在
    public boolean findUser(User user) {
        SqlSession sqlSession = sqlSessionFactory.openSession();
        User uer1 = sqlSession.selectOne("com.loaderman.crm.entity.User.findUser",user);
        sqlSession.commit();
        if (uer1!=null){
            return true;
        }else {
            return false;
        }
    }
}

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数据库表：https://www.cnblogs.com/loaderman/p/10315968.html