今天 在网站上看到了一篇博客，说的是mybatis批量插入的有一些问题，于是自己做了一个简单的demo，做了下测试

mybatis测试代码

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<?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>
<typeAliases>
        <typeAlias type="com.mybatis.config.User"
            alias="User" />
    </typeAliases>package com.mybatis.config;
    <environments default="development">
        <environment id="development">
            <transactionManager type="JDBC" /><!--事务管理驱动  -->
            <dataSource type="POOLED"><!-- 数据源配置 -->
                <property name="driver" value="com.mysql.jdbc.Driver" />
                <property name="url" value="jdbc:mysql://localhost:3306/mybatistest?useUnicode=true&amp;characterEncoding=UTF-8" />
                <property name="username" value="root" />
                <property name="password" value="123456" />
            </dataSource>
        </environment>
    </environments>
    <mappers>
        <mapper resource="UserDaoMapper.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"> 

<!-- mybatis 映射文件 -->
<mapper namespace="com.mybatis.config.UserDao">
   
     <cache readOnly="true" />
     
     <insert id="insert" parameterType="User" >
        insert into user(username,password,comment) values(#{username},#{password},#{comment})
    </insert>
    
  
    
</mapper>

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?java测试代码：

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package com.mybatis.config;

import java.io.File;
import java.io.FileInputStream;
import java.util.Iterator;
import java.util.List;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.ExecutorType;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.apache.log4j.xml.DOMConfigurator;


/**
 * mybatis测试
 * @author CHENLEI
 *
 */
public class UserDaoTest {
	
	public static void main(String[]args){
		
		try {
			userDaoTest();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}

    public static void userDaoTest() throws Exception
    {
    	DOMConfigurator.configure("res/log4j.xml");
    	File file=Resources.getResourceAsFile("mybatisBase.xml");
        SqlSessionFactoryBuilder Factorybuilder = new SqlSessionFactoryBuilder();
        SqlSessionFactory factory=Factorybuilder.build(new FileInputStream(file));
       
        SqlSession session1 = factory.openSession();//普通的操作
        SqlSession session2 = factory.openSession(ExecutorType.BATCH, false);//是否自动提交事务
        
        UserDao userDao1 = session1.getMapper(UserDao.class);//
        UserDao userDao2 = session2.getMapper(UserDao.class);//
        
        User user = new User();
        user.setUsername("test");
        user.setPassword("123456");
        user.setComment("comment");
        try{
        	
        	long t1=System.currentTimeMillis();
        	for(int i=0;i<1000;i++){
        		 userDao2.insert(user);
        	}
        	System.out.println(System.currentTimeMillis()-t1+"ms");
        	

             
        }finally{
//        	 session1.commit();
//             session1.close();
        }
       
    }

}

?运行结果：(结果来自三次测试的结果，取的一个范围，因为外界因素，下同)

?1000次：632---650ms

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下面是传统的jdbc：

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package com.mybatis.config;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class commonjdbcBatch {

	/**