Spring和MyBatis的整合

1. Spring和各个框架的整合

 

Spring目前是JavaWeb开发中最终的框架,提供一站式服务,可以其他各个框架整合集成

 

Spring整合方案

 

1.1. SSH

ssh是早期的一种整合方案

Struts2 Web层框架

Spring : 容器框架

Hibernate : 持久层框架

 

1.2. SSM

主流的项目架构的三大框架(相对其他框架而言,最优秀)

 SpringMVC spring自己家的 Web层框架,spring的一个模块

 Spring :容器框架

 MyBatis :持久层框架

 

 

2. SpringMyBatis整合

2.1. 集成思路

实际开发,使用Maven项目,直接引入项项目在Maven仓库中的坐标即可

 

学习阶段: 手动导入jar包,从零开始集成(巩固基础知识)

 

2.2. 创建java项目

准备集成相关jar

 

完成项目层与层之间spring对象的创建和依赖关系的维护

 

package cn.sxt.pojo;

public class User {
private Integer id;
private String name;
private String password;
private Integer age;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
@Override
public String toString() {
return "User [id=" + id + ", name=" + name + ", password=" + password + ", age=" + age + "]";
}
public User(Integer id, String name, String password, Integer age) {
super();
this.id = id;
this.name = name;
this.password = password;
this.age = age;
}
public User() {
super();
// TODO Auto-generated constructor stub
}

}

 

 

 

 

package cn.sxt.mapper;

import java.util.List;

import cn.sxt.pojo.User;

public interface UserMapper {

</span><span style="color: rgba(0, 0, 255, 1)">int</span><span style="color: rgba(0, 0, 0, 1)"> insert(User user);

</span><span style="color: rgba(0, 0, 255, 1)">int</span><span style="color: rgba(0, 0, 0, 1)"> deleteByPrimaryKey(Integer id);

</span><span style="color: rgba(0, 0, 255, 1)">int</span><span style="color: rgba(0, 0, 0, 1)"> updateByPrimaryKey(User user);

User selectByPrimaryKey(Integer id);

List</span>&lt;User&gt;<span style="color: rgba(0, 0, 0, 1)"> selectList();

}

 

<?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.sxt.mapper.UserMapper">

  <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">insert </span><span style="color: rgba(255, 0, 0, 1)">id</span><span style="color: rgba(0, 0, 255, 1)">="insert"</span><span style="color: rgba(255, 0, 0, 1)"> parameterType</span><span style="color: rgba(0, 0, 255, 1)">="User"</span><span style="color: rgba(255, 0, 0, 1)">
      keyColumn</span><span style="color: rgba(0, 0, 255, 1)">="id"</span><span style="color: rgba(255, 0, 0, 1)">
      keyProperty</span><span style="color: rgba(0, 0, 255, 1)">="id"</span><span style="color: rgba(255, 0, 0, 1)">
      useGeneratedKeys</span><span style="color: rgba(0, 0, 255, 1)">="true"</span>
  <span style="color: rgba(0, 0, 255, 1)">&gt;</span><span style="color: rgba(0, 0, 0, 1)">
      insert into user (name,password,age)values(#{name},#{password},#{age})
      
  </span><span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">insert</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
  <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 单行查询
      &lt;select resultType =""&gt;
      查询功能的标签
      resultType : 返回结果的数据类型,和接口对应方法的返回类型必须一致
   </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
  <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">select </span><span style="color: rgba(255, 0, 0, 1)">id</span><span style="color: rgba(0, 0, 255, 1)">="selectByPrimaryKey"</span><span style="color: rgba(255, 0, 0, 1)"> parameterType</span><span style="color: rgba(0, 0, 255, 1)">="Integer"</span><span style="color: rgba(255, 0, 0, 1)"> resultType</span><span style="color: rgba(0, 0, 255, 1)">="User"</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
      <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)">  #{对象属性} ,主键理论上任何值都可以 #{abc},#{xxx},可以不用对象属性</span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span><span style="color: rgba(0, 0, 0, 1)">
      select * from user where id = #{id}
  </span><span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">select</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
  
  <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 多行查询
      无论单行或者多行查询,返回的数据类型都是 对应 pojo 对应的对象类型
   </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
  <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">select </span><span style="color: rgba(255, 0, 0, 1)">id</span><span style="color: rgba(0, 0, 255, 1)">="selectList"</span><span style="color: rgba(255, 0, 0, 1)"> resultType</span><span style="color: rgba(0, 0, 255, 1)">="User"</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span><span style="color: rgba(0, 0, 0, 1)">
      select * from user
  </span><span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">select</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
  
  <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 删除操作 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
  <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">delete </span><span style="color: rgba(255, 0, 0, 1)">id</span><span style="color: rgba(0, 0, 255, 1)">="deleteByPrimaryKey"</span><span style="color: rgba(255, 0, 0, 1)"> parameterType</span><span style="color: rgba(0, 0, 255, 1)">="Integer"</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span><span style="color: rgba(0, 0, 0, 1)">
      delete from user where id = #{id}
  </span><span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">delete</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
  
  
  <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 修改操作 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
  <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">update </span><span style="color: rgba(255, 0, 0, 1)">id</span><span style="color: rgba(0, 0, 255, 1)">="updateByPrimaryKey"</span><span style="color: rgba(255, 0, 0, 1)"> parameterType</span><span style="color: rgba(0, 0, 255, 1)">="User"</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
      <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 固定语义的sql语句 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span><span style="color: rgba(0, 0, 0, 1)">
      update user set name = #{name},password = #{password},age = #{age} where id = #{id}
  </span><span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">update</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>

</mapper>

package cn.sxt.service;

import java.util.List;

import cn.sxt.pojo.User;

public interface UserService {
int insert(User user);

</span><span style="color: rgba(0, 0, 255, 1)">int</span><span style="color: rgba(0, 0, 0, 1)"> deleteByPrimaryKey(Integer id);

</span><span style="color: rgba(0, 0, 255, 1)">int</span><span style="color: rgba(0, 0, 0, 1)"> updateByPrimaryKey(User user);

User selectByPrimaryKey(Integer id);

List</span>&lt;User&gt;<span style="color: rgba(0, 0, 0, 1)"> selectList();

}

package cn.sxt.service.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import cn.sxt.mapper.UserMapper;
import cn.sxt.pojo.User;
import cn.sxt.service.UserService;

@Service
public class UserServiceImpl implements UserService {
/
* 问题 1 : UserMapper 是接口,如何创建对象?
* 答: 使用 MyBatis 的 SqlSession 会话对象。
*
* 问题 2:SqlSession 如何创建?
* 答: 使用 MyBatis 的 SqlSessionFactory 工厂对象创建
*
* 问题 3:SqlSessionFactory 工厂对象如何创建?
*
* 答:在使用 Spring 之前
* 开发者自己写代码读取 MyBatis 配置文件,创建 SqlSessionFactory
* 使用 Spring 之后,让 Spring 框架帮我们创建
*
* 问题 4:SqlSessionFactory 工厂对象 Spring 框架如何创建出来?
*
* 答:MyBatis 工厂对象创建的类在 MyBatis 框架和 Spring 集成的桥梁包 mybatis-spring-1.3.1.jar
* 的 org.mybatis.spring.SqlSessionFactoryBean 负责创建工厂对象
* 开发者只需要在 Spring 配置配置此类就可以创建出来 SqlSessionFactory 对象
*
/
@Autowired
private UserMapper mapper;

@Override
</span><span style="color: rgba(0, 0, 255, 1)">public</span> <span style="color: rgba(0, 0, 255, 1)">int</span><span style="color: rgba(0, 0, 0, 1)"> insert(User user) {
    </span><span style="color: rgba(0, 0, 255, 1)">return</span><span style="color: rgba(0, 0, 0, 1)"> mapper.insert(user);
}

@Override
</span><span style="color: rgba(0, 0, 255, 1)">public</span> <span style="color: rgba(0, 0, 255, 1)">int</span><span style="color: rgba(0, 0, 0, 1)"> deleteByPrimaryKey(Integer id) {
    </span><span style="color: rgba(0, 0, 255, 1)">return</span><span style="color: rgba(0, 0, 0, 1)"> mapper.deleteByPrimaryKey(id);
}

@Override
</span><span style="color: rgba(0, 0, 255, 1)">public</span> <span style="color: rgba(0, 0, 255, 1)">int</span><span style="color: rgba(0, 0, 0, 1)"> updateByPrimaryKey(User user) {
    </span><span style="color: rgba(0, 0, 255, 1)">return</span><span style="color: rgba(0, 0, 0, 1)"> mapper.updateByPrimaryKey(user);
}

@Override
</span><span style="color: rgba(0, 0, 255, 1)">public</span><span style="color: rgba(0, 0, 0, 1)"> User selectByPrimaryKey(Integer id) {
    </span><span style="color: rgba(0, 0, 255, 1)">return</span><span style="color: rgba(0, 0, 0, 1)"> mapper.selectByPrimaryKey(id);
}

@Override
</span><span style="color: rgba(0, 0, 255, 1)">public</span> List&lt;User&gt;<span style="color: rgba(0, 0, 0, 1)"> selectList() {
    </span><span style="color: rgba(0, 0, 255, 1)">return</span><span style="color: rgba(0, 0, 0, 1)"> mapper.selectList();
}

}

package cn.sxt.test;
import java.util.List;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import cn.sxt.pojo.User;
import cn.sxt.service.UserService;
@RunWith(SpringJUnit4ClassRunner.
class)
@ContextConfiguration(
"classpath:applicationContext.xml")
public class test01 {
@Autowired
private UserService service;
@Test
public void testInsert() {
User user
= new User(null, "虚竹", "xuzhu", 30);
service.insert(user);
}

@Test
</span><span style="color: rgba(0, 0, 255, 1)">public</span> <span style="color: rgba(0, 0, 255, 1)">void</span><span style="color: rgba(0, 0, 0, 1)"> testDeleteByPrimaryKey() {
    service.deleteByPrimaryKey(</span>10<span style="color: rgba(0, 0, 0, 1)">);
}

@Test
</span><span style="color: rgba(0, 0, 255, 1)">public</span> <span style="color: rgba(0, 0, 255, 1)">void</span><span style="color: rgba(0, 0, 0, 1)"> testUpdateByPrimaryKey() {
    User user </span>= <span style="color: rgba(0, 0, 255, 1)">new</span> User(9, "孙悟空", "wukong", 600<span style="color: rgba(0, 0, 0, 1)">);
    service.updateByPrimaryKey(user );
}

@Test
</span><span style="color: rgba(0, 0, 255, 1)">public</span> <span style="color: rgba(0, 0, 255, 1)">void</span><span style="color: rgba(0, 0, 0, 1)"> testSelectByPrimaryKey() {
    User user </span>= service.selectByPrimaryKey(11<span style="color: rgba(0, 0, 0, 1)">);
}

@Test
</span><span style="color: rgba(0, 0, 255, 1)">public</span> <span style="color: rgba(0, 0, 255, 1)">void</span><span style="color: rgba(0, 0, 0, 1)"> testSelectList() {
    List</span>&lt;User&gt; users =<span style="color: rgba(0, 0, 0, 1)"> service.selectList();
}

}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    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/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd
           http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop.xsd
        ">
<span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 配置组件包扫描的位置 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
<span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">context:component-scan </span><span style="color: rgba(255, 0, 0, 1)">base-package</span><span style="color: rgba(0, 0, 255, 1)">="cn.sxt"</span> <span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
<span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 读取db.properties配置文件到Spring容器中 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
<span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">context:property-placeholder
    </span><span style="color: rgba(255, 0, 0, 1)">location</span><span style="color: rgba(0, 0, 255, 1)">="classpath:db.properties"</span> <span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
<span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 配置 阿里巴巴的 druid 数据源(连接池) </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
<span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">bean </span><span style="color: rgba(255, 0, 0, 1)">id</span><span style="color: rgba(0, 0, 255, 1)">="dataSource"</span><span style="color: rgba(255, 0, 0, 1)">
    class</span><span style="color: rgba(0, 0, 255, 1)">="com.alibaba.druid.pool.DruidDataSource"</span><span style="color: rgba(255, 0, 0, 1)"> init-method</span><span style="color: rgba(0, 0, 255, 1)">="init"</span><span style="color: rgba(255, 0, 0, 1)">
    destroy-method</span><span style="color: rgba(0, 0, 255, 1)">="close"</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
    <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> SpringEL 语法 ${key} </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
    <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">property </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="driverClassName"</span><span style="color: rgba(255, 0, 0, 1)">
        value</span><span style="color: rgba(0, 0, 255, 1)">="${jdbc.driverClassName}"</span> <span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
    <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">property </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="url"</span><span style="color: rgba(255, 0, 0, 1)"> value</span><span style="color: rgba(0, 0, 255, 1)">="${jdbc.url}"</span> <span style="color: rgba(0, 0, 255, 1)">/&gt;</span>

    <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> ${username}如果key是username,name 默认spring框架调用的当前操作系统的账号 解决方案:可以统一给key加一个前缀 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>

    <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">property </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="username"</span><span style="color: rgba(255, 0, 0, 1)"> value</span><span style="color: rgba(0, 0, 255, 1)">="${jdbc.username}"</span> <span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
    <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">property </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="password"</span><span style="color: rgba(255, 0, 0, 1)"> value</span><span style="color: rgba(0, 0, 255, 1)">="${jdbc.password}"</span> <span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
    <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">property </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="maxActive"</span><span style="color: rgba(255, 0, 0, 1)"> value</span><span style="color: rgba(0, 0, 255, 1)">="${jdbc.maxActive}"</span> <span style="color: rgba(0, 0, 255, 1)">/&gt;</span>

<span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">bean</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
<span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 创建SqlSessionFactory MyBatis会话工厂对象 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
<span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">bean </span><span style="color: rgba(255, 0, 0, 1)">id</span><span style="color: rgba(0, 0, 255, 1)">="sqlSessionFactory"</span><span style="color: rgba(255, 0, 0, 1)">
    class</span><span style="color: rgba(0, 0, 255, 1)">="org.mybatis.spring.SqlSessionFactoryBean"</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
    <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 注入数据源 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
    <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">property </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="dataSource"</span><span style="color: rgba(255, 0, 0, 1)"> ref</span><span style="color: rgba(0, 0, 255, 1)">="dataSource"</span> <span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
    <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 读取映射文件 ,MyBatis的纯注解不用配置 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
    <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">property </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="mapperLocations"</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
        <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">array</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
            <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 配置单个映射文件 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
            <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> &lt;value&gt;classpath:cn/zj/ssm/mapper/UserMapper.xml&lt;/value&gt; </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
            <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 配置多个映射文件使用 * 通配符 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
            <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">value</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>classpath:cn/sxt/mapper/*Mapper.xml<span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">value</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
        <span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">array</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>

    <span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">property</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
    <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 配置mybatis-confg.xml主配置文件(注配置文件可以保留一些个性化配置,缓存,日志,插件) </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
    <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">property </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="configLocation"</span><span style="color: rgba(255, 0, 0, 1)">
        value</span><span style="color: rgba(0, 0, 255, 1)">="classpath:mybatis-config.xml"</span> <span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
    <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 配置别名,使用包扫描 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
    <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">property </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="typeAliasesPackage"</span><span style="color: rgba(255, 0, 0, 1)"> value</span><span style="color: rgba(0, 0, 255, 1)">="cn.sxt.pojo"</span><span style="color: rgba(0, 0, 255, 1)">&gt;&lt;/</span><span style="color: rgba(128, 0, 0, 1)">property</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
<span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">bean</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
<span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> SqlSession 不用单独创建,每次做crud操作都需要Mapper接口的代理对象 而代理对象的创建又必须有 SqlSession对象创建 
    Spring在通过MyBatis创建 Mapper接口代理对象的时候,底层自动把SqlSession会话对象创建出来 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>

<span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 创建UserMapper接口的代理对象,创建单个代理对象 参考桥梁包:org.mybatis.spring.mapper.MapperFactoryBean&lt;T&gt; 
    此类就是创建 Mapper 代理对象的类 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
<span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)">&lt;bean id="userMapper" class="org.mybatis.spring.mapper.MapperFactoryBean"&gt; 
    注入UserMapper接口 &lt;property name="mapperInterface" value="cn.sxt.mapper.UserMapper"/&gt; 
    注入sqlSessionFactory工厂对象 &lt;property name="sqlSessionFactory" ref="sqlSessionFactory"/&gt; 
    &lt;/bean&gt; </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
<span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 使用包扫描创建代理对象,包下面所有Mapper接口统一创建代理对象 使用桥梁包下面 : org.mybatis.spring.mapper.MapperScannerConfigurer 
    可以包扫描创建所有映射接口的代理对象 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
<span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">bean </span><span style="color: rgba(255, 0, 0, 1)">class</span><span style="color: rgba(0, 0, 255, 1)">="org.mybatis.spring.mapper.MapperScannerConfigurer"</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
    <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 配置SqlSessionFactoryBean的名称 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
    <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">property </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="basePackage"</span><span style="color: rgba(255, 0, 0, 1)"> value</span><span style="color: rgba(0, 0, 255, 1)">="cn.sxt.mapper"</span><span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
    <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 可选,如果不写,Spring启动时候。容器中。自动会按照类型去把SqlSessionFactory对象注入进来 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
    <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> &lt;property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/&gt; </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>

    <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">property </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="sqlSessionFactoryBeanName"</span><span style="color: rgba(255, 0, 0, 1)"> value</span><span style="color: rgba(0, 0, 255, 1)">="sqlSessionFactory"</span><span style="color: rgba(0, 0, 255, 1)">/&gt;</span>

<span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">bean</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
<span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)">  1.配置事务管理器 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
<span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">bean </span><span style="color: rgba(255, 0, 0, 1)">id</span><span style="color: rgba(0, 0, 255, 1)">="transactionManager"</span><span style="color: rgba(255, 0, 0, 1)"> class</span><span style="color: rgba(0, 0, 255, 1)">="org.springframework.jdbc.datasource.DataSourceTransactionManager"</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
<span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 注入数据源 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>

<span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">property </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="dataSource"</span><span style="color: rgba(255, 0, 0, 1)"> ref</span><span style="color: rgba(0, 0, 255, 1)">="dataSource"</span><span style="color: rgba(0, 0, 255, 1)">&gt;&lt;/</span><span style="color: rgba(128, 0, 0, 1)">property</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>

<span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">bean</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
<span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 
    2.配置事务的细节
    配置事务通知/增强
 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
 <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">tx:advice </span><span style="color: rgba(255, 0, 0, 1)">id</span><span style="color: rgba(0, 0, 255, 1)">="tx"</span><span style="color: rgba(255, 0, 0, 1)"> transaction-manager</span><span style="color: rgba(0, 0, 255, 1)">="transactionManager"</span> <span style="color: rgba(0, 0, 255, 1)">&gt;</span>
 
 <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 配置属性 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
     <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">tx:attributes</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
         <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> DQL  </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
         <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">tx:method </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="select*"</span><span style="color: rgba(255, 0, 0, 1)"> read-only</span><span style="color: rgba(0, 0, 255, 1)">="true"</span><span style="color: rgba(255, 0, 0, 1)"> isolation</span><span style="color: rgba(0, 0, 255, 1)">="REPEATABLE_READ"</span><span style="color: rgba(255, 0, 0, 1)"> propagation</span><span style="color: rgba(0, 0, 255, 1)">="REQUIRED"</span><span style="color: rgba(255, 0, 0, 1)"> timeout</span><span style="color: rgba(0, 0, 255, 1)">="5"</span><span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
         <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">tx:method </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="query*"</span><span style="color: rgba(255, 0, 0, 1)"> read-only</span><span style="color: rgba(0, 0, 255, 1)">="true"</span><span style="color: rgba(255, 0, 0, 1)"> isolation</span><span style="color: rgba(0, 0, 255, 1)">="REPEATABLE_READ"</span><span style="color: rgba(255, 0, 0, 1)"> propagation</span><span style="color: rgba(0, 0, 255, 1)">="REQUIRED"</span><span style="color: rgba(255, 0, 0, 1)"> timeout</span><span style="color: rgba(0, 0, 255, 1)">="5"</span><span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
         <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">tx:method </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="get*"</span><span style="color: rgba(255, 0, 0, 1)"> read-only</span><span style="color: rgba(0, 0, 255, 1)">="true"</span><span style="color: rgba(255, 0, 0, 1)"> isolation</span><span style="color: rgba(0, 0, 255, 1)">="REPEATABLE_READ"</span><span style="color: rgba(255, 0, 0, 1)"> propagation</span><span style="color: rgba(0, 0, 255, 1)">="REQUIRED"</span><span style="color: rgba(255, 0, 0, 1)"> timeout</span><span style="color: rgba(0, 0, 255, 1)">="5"</span><span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
         <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">tx:method </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="find*"</span><span style="color: rgba(255, 0, 0, 1)"> read-only</span><span style="color: rgba(0, 0, 255, 1)">="true"</span><span style="color: rgba(255, 0, 0, 1)"> isolation</span><span style="color: rgba(0, 0, 255, 1)">="REPEATABLE_READ"</span><span style="color: rgba(255, 0, 0, 1)"> propagation</span><span style="color: rgba(0, 0, 255, 1)">="REQUIRED"</span><span style="color: rgba(255, 0, 0, 1)"> timeout</span><span style="color: rgba(0, 0, 255, 1)">="5"</span><span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
         <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 其他 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
         <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">tx:method </span><span style="color: rgba(255, 0, 0, 1)">name</span><span style="color: rgba(0, 0, 255, 1)">="*"</span><span style="color: rgba(255, 0, 0, 1)"> read-only</span><span style="color: rgba(0, 0, 255, 1)">="false"</span><span style="color: rgba(255, 0, 0, 1)"> isolation</span><span style="color: rgba(0, 0, 255, 1)">="REPEATABLE_READ"</span><span style="color: rgba(255, 0, 0, 1)"> propagation</span><span style="color: rgba(0, 0, 255, 1)">="REQUIRED"</span><span style="color: rgba(255, 0, 0, 1)"> timeout</span><span style="color: rgba(0, 0, 255, 1)">="5"</span><span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
 <span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">tx:attributes</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
 <span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">tx:advice</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>

<span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 
        3.使用AOP将事务切到Service层
    </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
    <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">aop:config</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>
        <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 配置切入点 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
        <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">aop:pointcut </span><span style="color: rgba(255, 0, 0, 1)">expression</span><span style="color: rgba(0, 0, 255, 1)">="execution(* cn.zj.ssm.service..*.*(..))"</span><span style="color: rgba(255, 0, 0, 1)"> id</span><span style="color: rgba(0, 0, 255, 1)">="pt"</span><span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
    <span style="color: rgba(0, 128, 0, 1)">&lt;!--</span><span style="color: rgba(0, 128, 0, 1)"> 配置切面= 切入点+通知 </span><span style="color: rgba(0, 128, 0, 1)">--&gt;</span>
    <span style="color: rgba(0, 0, 255, 1)">&lt;</span><span style="color: rgba(128, 0, 0, 1)">aop:advisor </span><span style="color: rgba(255, 0, 0, 1)">advice-ref</span><span style="color: rgba(0, 0, 255, 1)">="tx"</span><span style="color: rgba(255, 0, 0, 1)"> pointcut-ref</span><span style="color: rgba(0, 0, 255, 1)">="pt"</span><span style="color: rgba(0, 0, 255, 1)">/&gt;</span>
    <span style="color: rgba(0, 0, 255, 1)">&lt;/</span><span style="color: rgba(128, 0, 0, 1)">aop:config</span><span style="color: rgba(0, 0, 255, 1)">&gt;</span>

</beans>

jdbc.driverClassName=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/mybatis?useUnicode=true&characterEncoding=utf-8&serverTimezone=GMT
jdbc.username=root
jdbc.password=gzsxt
jdbc.maxActive=10
# Global logging configuration
log4j.rootLogger=ERROR, stdout
# MyBatis logging configuration...
log4j.logger.cn.sxt.mapper=TRACE
# Console output...
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n
<?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>
<!-- mybatis 框架的个性化配置可在此配置 -->

</configuration>