# Global logging configuration
#在开发环境下日志级别要设置成DEBUG,生产环境设置成info或error
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%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>
<!-- 和spring整合后environments配置将废除 -->
<environments default="development">
<environment id="development">
<!-- 使用jdbc事务管理,事务控制由mybatis -->
<transactionManager type="JDBC"/>
<!-- 数据库连接池,由mybatis管理 -->
<dataSource type="POOLED">
<property name="driver" value="oracle.jdbc.driver.OracleDriver"/>
<property name="url" value="jdbc:oracle:thin:@localhost:1521:orcl"/>
<property name="username" value="LF"/>
<property name="password" value="LF"/>
</dataSource>
</environment>
</environments>
<!-- 加载映射文件 -->
<mappers>
<mapper resource="config/sqlmap/user.xml"/>
</mappers>
</configuration>
<?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="test">
<select id="findUserByName" parameterType="java.lang.String" resultType="com.zr.testmybatis.entity.User">
SELECT * FROM USERTEST WHERE NAME=#{NAME}
</select>
<insert id="insertUser" parameterType="com.zr.testmybatis.entity.User">
INSERT INTO USERTEST VALUES(#{name},#{age})
</insert>
<delete id="deleteUser" parameterType="java.lang.String">
DELETE FROM USERTEST WHERE NAME=#{name}
</delete>
<update id="updateUser" parameterType="com.zr.testmybatis.entity.User">
UPDATE USERTEST SET AGE=#{age} WHERE NAME=#{name}
</update>
</mapper>
package com.zr.testmybatis.entity;
public class User {
private String name;
private int age;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public User() {
super();
}
public User(String name, int age) {
super();
this.name = name;
this.age = age;
}
@Override
public String toString() {
return "User [name=" + name + ", age=" + age + "]";
}
}
package com.zr.testmybatis.test;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Delayed;
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 com.zr.testmybatis.entity.User;
public class TestA {
public static void main(String[] args) {
//mybatis配置文件路径
String resource = "config/SqlMapConfig.xml";
// 获取配置文件流
InputStream inputStream = null;
try {
inputStream = Resources.getResourceAsStream(resource);
} catch (IOException e) {
e.printStackTrace();
}
//创建会话工厂,传入mybatis的配置文件信息
SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
//通过工厂得到SqlSession
SqlSession sqlSession = sqlSessionFactory.openSession();
List<User> list = new ArrayList<User>();
// 通过SqlSession操作数据库
//查询
/*list = sqlSession.selectList("test.findUserByName", "lf");
System.out.println(list);*/
// 插入
/*User user = new User("tl", 23);
int i = sqlSession.insert("test.insertUser", user);
sqlSession.commit();
System.out.println(i);*/
//删除
/*int i = sqlSession.delete("test.deleteUser", "lf");
sqlSession.commit();
System.out.println(i);*/
User user = new User("tl", 21);
int i = sqlSession.update("test.updateUser", user);
sqlSession.commit();
System.out.println(i);
sqlSession.close();
}
}