Spring MyBatis配置文件

Config文件夹

log4j.properties配置文件

#
# Global logging configuration
log4j.rootLogger=DEBUG, stdout
# 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%

Config文件夹

SqlMapConfig.xml文件

<?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>
    <!-- 和spring整合后 environments配置将废除 -->
    <environments default="development">
        <environment id="development">
            <!-- 使用jdbc事务管理 -->
            <transactionManager type="JDBC" />
            <!-- 数据库连接池 -->
            <dataSource type="POOLED">
                <property name="driver" value="com.mysql.jdbc.Driver" />
                <property name="url" value="jdbc:mysql://localhost:3306/php1?characterEncoding=utf-8" />
                <property name="username" value="root" />
                <property name="password" value="123456" />
            </dataSource>
        </environment>
    </environments>
    <mappers>-- 此处配合下面的文件配置
        <mapper resource="cn/zys/mapper/p1Mapper.xml" />
    </mappers>
</configuration>

创建一个包，存放表操作的xml操作配置文档

配置增删改查

<?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="p1">-- 表名
    <select id="getp1ById"-- 给方法起名 parameterType="Integer"  resultType="cn.zys.pojo.p1bean">
        select * from p1 where id=#{id}
    </select>
    <!-- 模糊查询 -->
    <select id="getuserbyusername" parameterType="String" resultType="cn.zys.pojo.p1bean">
        <!-- select * from p1 where info like #{info} -->
        <!-- select * from p1 where info like '%${value}%' -->
        select * from p1 where info like "%"#{info}"%"
    </select>
    <!-- 新增 -->
    <insert id="addinfo" parameterType="cn.zys.pojo.p1bean"  >
        insert into p1(info) values(#{info})
    </insert>
    <!-- 修改 -->
    <update id="upp1" parameterType="cn.zys.pojo.p1bean">
        update p1 set info=#{info} where id=#{id}
    </update>
    <!--删除  -->
    <delete id="delinfo" parameterType="Integer">
        delete from p1 where id=#{id}
    </delete>
</mapper>

 test测试

package cn.zys.mapper;

import java.io.IOException;
import java.io.InputStream;
import java.util.List;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import cn.zys.pojo.p1bean;

public class test {
    public static void main(String[] args) throws IOException {
        update();
    }
    public static void sel() throws IOException{
        // 1. 创建SqlSessionFactoryBuilder对象
        SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder();
        // 2. 加载SqlMapConfig.xml配置文件
        InputStream inputStream = Resources.getResourceAsStream("SqlMapConfig.xml");
        // 3. 创建SqlSessionFactory对象
        SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(inputStream);
        // 4. 创建SqlSession对象
        SqlSession sqlSession = sqlSessionFactory.openSession();
        //5.sqlseisson
        List<p1bean> arr=sqlSession.selectList("p1.getuserbyusername","4");
        System.out.println(arr);
        //释放资源
        sqlSession.close();
    }
    public static void update() throws IOException{
        // 1. 创建SqlSessionFactoryBuilder对象
        SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder();
        // 2. 加载SqlMapConfig.xml配置文件
        InputStream inputStream = Resources.getResourceAsStream("SqlMapConfig.xml");
        // 3. 创建SqlSessionFactory对象
        SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(inputStream);
        // 4. 创建SqlSession对象
        SqlSession sqlSession = sqlSessionFactory.openSession();
        //5.sqlseisson
        p1bean p=new p1bean();
        p.setId(22);
        p.setInfo("赛文");
        int arr=sqlSession.insert("p1.upp1",p);
        System.out.println(arr);
        sqlSession.commit();//提交事务，增删改必须要提交
        //释放资源
        sqlSession.close();
    }
    public static void add() throws IOException{
        // 1. 创建SqlSessionFactoryBuilder对象
        SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder();
        // 2. 加载SqlMapConfig.xml配置文件
        InputStream inputStream = Resources.getResourceAsStream("SqlMapConfig.xml");
        // 3. 创建SqlSessionFactory对象
        SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(inputStream);
        // 4. 创建SqlSession对象
        SqlSession sqlSession = sqlSessionFactory.openSession();
        //5.sqlseisson
        p1bean p=new p1bean();
        p.setInfo("迪迦");
        int arr=sqlSession.insert("p1.addinfo",p);
        System.out.println(arr);
        sqlSession.commit();//提交事务，增删改必须要提交
        //释放资源
        sqlSession.close();
    }
    public static void del() throws IOException{
        // 1. 创建SqlSessionFactoryBuilder对象
        SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder();
        // 2. 加载SqlMapConfig.xml配置文件
        InputStream inputStream = Resources.getResourceAsStream("SqlMapConfig.xml");
        // 3. 创建SqlSessionFactory对象
        SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(inputStream);
        // 4. 创建SqlSession对象
        SqlSession sqlSession = sqlSessionFactory.openSession();
        //5.sqlseisson
        int arr=sqlSession.insert("p1.delinfo",23);
        System.out.println(arr);
        sqlSession.commit();//提交事务，增删改必须要提交
        //释放资源
        sqlSession.close();
    }
}