- 创建一个Maven项目
- 在pom.xml中添加mybatis的依赖(另外需要JDBC相关驱动包和log4j)
<dependencies>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.6</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.47</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
</dependencies>
- 在src/main/resource路径下创建一个mybatis的配置文件,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>
<properties resource="jdbc.properties"></properties>
<plugins>
<plugin interceptor="com.github.pagehelper.PageInterceptor">
<property name="helperDialect" value="mysql"/>
<property name="reasonable" value="true"/>
</plugin>
</plugins>
<environments default="mysql">
<environment id="mysql">
<transactionManager type="JDBC"/>
<dataSource type="POOLED">
<property name="driver" value="${driver}"/>
<property name="url" value="${url}"/>
<property name="username" value="${username_}"/>
<property name="password" value="${password}"/>
</dataSource>
</environment>
</environments>
<mappers>
<mapper class="com.test.dao.UserMapper"/>
</mappers>
</configuration>
- 创建一个jdbc.properties文件,在其中添加JDBC连接参数
driver = com.mysql.jdbc.Driver
url = jdbc:mysql://localhost:3306/mybatis?useUnicode=true&characterEncoding=UTF-8
username_ = root
password = 123456
- 创建一个log4j.properties文件,设置日志输出级别及格式(我设置的时开发时debug用,没有记录到文件)
log4j.rootLogger=debug,console
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.layout = org.apache.log4j.PatternLayout
log4j.appender.console.layout.conversionPattern = %d [%p] %t %c -- %m%n
- 接下来就可以在DAO层创建CURD方法了,会再另一篇blog中详细写。