MyBatis基本配置

<pre name="code" class="html"><?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>
<property name="dialect" value="cn.org.framework.jdbc.dialect.MySQLDialect" />
</properties>
<settings>
<setting name="cacheEnabled" value="true" />
</settings>
<environments default="development">
<environment id="development">
<transactionManager type="JDBC"></transactionManager>
<dataSource type="POOLED">
<property name="driver" value="com.mysql.jdbc.Driver" />
<property name="url"
value="jdbc:mysql://101.201.152.172:3306/ams?useUnicode=true&characterEncoding=UTF-8" />
<property name="username" value="root" />
<property name="password" value="123456" />
</dataSource>
</environment>
</environments>
<mappers>
<mapper resource="com/platform/core/module/Module.mapper.xml" />
<mapper resource="com/platform/core/metadata/Entity.mapper.xml" />
<mapper resource="com/platform/core/widget/Widget.mapper.xml" />
<mapper resource="com/platform/app/model/SysUsers.mapper.xml" />
</mappers>

</configuration>

<span style="font-family: Arial, Helvetica, sans-serif;">import java.io.IOException;</span>

import java.io.Reader;

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

public class MyBatisUtil {
// 每一个MyBatis的应用程序都以一个SqlSessionFactory对象的实例为核心
// 使用SqlSessionFactory的最佳实践是在应用运行期间不要重复创建多次,最佳范围是应用范围
private final static SqlSessionFactory sqlSessionFactory;
static {
String resource = "mybatis.xml";
Reader reader = null;
try {
reader = Resources.getResourceAsReader(resource);
} catch (IOException e) {
System.out.println(e.getMessage());
}
// SqlSessionFactory对象的实例可以通过SqlSessionFactoryBuilder对象来获得
// SqlSessionFactoryBuilder实例的最佳范围是方法范围（也就是本地方法变量）。
sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
}

public static SqlSessionFactory getSqlSessionFactory() {
return sqlSessionFactory;
}
}

import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;

public class SQLBuildTest {
static SqlSessionFactory sqlSessionFactory;
static{
sqlSessionFactory = MyBatisUtil.getSqlSessionFactory();
}

public static void main(String[] args) throws Exception {

SqlSession sqlSession = sqlSessionFactory.openSession();

}
}