MyBatis基础入门《一》环境搭建

MyBatis基础入门《一》环境搭建

　　参考资料链接：http://www.mybatis.org/mybatis-3/

　　使用maven构建项目，STS开发工具，jdk1.8

　　

项目结构：

　　

mybatis-config.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>

    <!-- 引入database.properties文件 -->
    <properties resource="properties/database.properties"></properties>

    <!-- 配置mybatis的log实现log4j -->
    <settings>
        <setting name="logImpl" value="LOG4J" />
    </settings>

    <!-- 配置Mybatis的环境 -->
    <environments default="development">
        <environment id="development">
            <!-- 配置事物管理 -->
            <transactionManager type="JDBC" />
            <dataSource type="POOLED">
                <property name="driver" value="${jdbc.driver}" />
                <property name="url" value="${jdbc.url}" />
                <property name="username" value="${jdbc.username}" />
                <property name="password" value="${jdbc.password}" />
            </dataSource>
        </environment>
    </environments>
</configuration>

database.properties

　　jdbc.driver=com.mysql.jdbc.Driver

　　jdbc.url=jdbc:mysql://填写数据库的IP地址:3306/test
　　jdbc.username=charles
　　jdbc.password=charles

log4j.properties

　　

### set log levels ###
log4j.rootLogger = debug,stdout,D

### 输出到控制台 ###
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target = System.out
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = [%-5p] %d(%r) --> [%t] %l: %m %x %n

### 输出到日志文件 ###
log4j.appender.D = org.apache.log4j.DailyRollingFileAppender
log4j.appender.D.File = logs/log.log
log4j.appender.D.Append = true
## 输出DEBUG级别以上的日志
log4j.appender.D.Threshold = DEBUG
log4j.appender.D.layout = org.apache.log4j.PatternLayout
log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n

### 保存异常信息到单独文件 ###
log4j.appender.D = org.apache.log4j.DailyRollingFileAppender
## 异常日志文件名
log4j.appender.D.File = logs/error.log
log4j.appender.D.Append = true
## 只输出ERROR级别以上的日志!!!
log4j.appender.D.Threshold = ERROR
log4j.appender.D.layout = org.apache.log4j.PatternLayout
log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n

JunitMybatisConfig.java

package com.charles.junit;

import static org.junit.Assert.fail;

import java.io.IOException;
import java.io.InputStream;

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 org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;
import org.junit.Test;

public class JunitMybatisConfig {

    @Test
    public void test() {
        fail("Not yet implemented");
    }

    @Test
    public void testLog4j() {
        PropertyConfigurator.configure("D:/DISK WORKSPACE/STS MAVEN/mybatis-base/src/main/resources/lo4j.properties");
        Logger logger = Logger.getLogger(JunitMybatisConfig.class);
        logger.debug(" debug ");
        logger.error(" error ");
    }

    @Test
    public void testMybaits() {

        try {
            /** 1.获取mybatis-config.xml文件 **/
            String resource = "mybatis/mybatis-config.xml";
            InputStream is = Resources.getResourceAsStream(resource);

            /** 2.创建SQLSessionFactory对象 **/
            SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(is);

            /** 3.创建SQLSession **/
            SqlSession session = sqlSessionFactory.openSession();

            /** 4.输出SQLSession对象 **/
            System.out.println(session);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

pom.xml

<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>com.charles.mybatis</groupId>
    <artifactId>mybatis-base</artifactId>
    <version>0.0.1-SNAPSHOT</version>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.6</version>
        </dependency>
    </dependencies>

</project>

如有问题，欢迎纠正！！！

如有转载，请标明源处：https://www.cnblogs.com/Charles-Yuan/p/9859617.html