mybatis使用annotation在mysql,oracle上进行批量处理

mybatis 使用annotation进行批量插入和删除，mysql 和oracle不同，因为oracle不支持(xxx,xxx,xxx),(xxx,xxx,xxx)的写法。不多说了看代码。

/**
 * 文件名：User.java
 *
 * 版本信息：
 * 日期：2012-8-28
 * Copyright 足下 Corporation 2012 
 * 版权所有
 *
 */
package org.richiedryday.mybatis.batch.domain;

import java.io.Serializable;
import java.sql.Timestamp;


/**
 * 
 * 项目名称：mybatis-batch
 * 类名称：User
 * 类描述：用户领域模型
 * 创建人：richie144
 * 创建时间：2012-8-28 下午5:13:27
 * 修改人：richie144
 * 修改时间：2012-8-28 下午5:13:27
 * 修改备注：
 * @version 
 * 
 */
public class User implements Serializable {
	
	private static final long serialVersionUID = 1L;
	
	private Integer id;
	
	private String username;
	
	private String password;
	
	private int age;
	
	private Timestamp birthdate;
	
	private char gender;
	
	private String address;
	
	public User() {
		
	}

	public User(Integer id, String username, String password, int age,
			Timestamp birthdate, char gender, String address) {
		this.id = id;
		this.username = username;
		this.password = password;
		this.age = age;
		this.birthdate = birthdate;
		this.gender = gender;
		this.address = address;
	}
//下面省略getter()和setter()

下面是映射类

/**
 * 文件名：UserMapper.java
 *
 * 版本信息：
 * 日期：2012-8-28
 * Copyright 足下 Corporation 2012 
 * 版权所有
 *
 */
package org.richiedryday.mybatis.batch.mapper;

import java.util.List;

import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.DeleteProvider;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.InsertProvider;
import org.apache.ibatis.annotations.Options;
import org.apache.ibatis.annotations.Result;
import org.apache.ibatis.annotations.Results;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
import org.richiedryday.mybatis.batch.domain.User;
import org.richiedryday.mybatis.batch.mapper.util.MapperProvider;

/**
 * 
 * 项目名称：mybatis-batch
 * 类名称：UserMapper
 * 类描述：用户对应mybatis映射的结果接口
 * 创建人：richie144
 * 创建时间：2012-8-28 下午5:42:56
 * 修改人：richie144
 * 修改时间：2012-8-28 下午5:42:56
 * 修改备注：
 * @version 
 * 
 */
public interface UserMapper {
	
	public static final String INSERT = "INSERT INTO richie144_user VALUES(NULL,#{username},#{password},#{age},#{birthdate},#{gender},#{address})";
	public static final String DELETE = " DELETE FROM richie144_user ";
	public static final String UPDATE = "UPDATE richie144_user SET mb_username = #{username},mb_password = #{password},mb_age = #{age},mb_birthdate = #{birthdate},mb_gender = #{gender},mb_address = #{address}";
	public static final String SELECTALL = " SELECT * FROM richie144_user ";
	public static final String WHERE_ID = " WHERE mb_id = #{id} ";
	@Insert(INSERT)
	@Options(useGeneratedKeys=true,keyColumn="mb_id",keyProperty="id")
	void insert(User user);
	
	@Delete(DELETE + WHERE_ID)
	void delete(int id);
	
	@Update(UPDATE)
	void update(User user);
	
	@Select(SELECTALL + WHERE_ID)
	@Results(value={
			@Result(column="mb_id",property="id"),
			@Result(column="mb_username",property="username"),
			@Result(column="mb_password",property="password"),
			@Result(column="mb_age",property="age"),
			@Result(column="mb_birthdate",property="birthdate"),
			@Result(column="mb_gender",property="gender"),
			@Result(column="mb_address",property="address")
	})
	User getSingle(Integer id);
	
	//上面是mysql 的，下面的是oracle的
	//@InsertProvider(type=MapperProvider.class,method="insertAll")
	@InsertProvider(type=MapperProvider.class,method="insertAll4Orcl")
	void insertAll(List<User> users);
	
	@DeleteProvider(type=MapperProvider.class,method="deleteAll")
	void deleteAll(List<User> users);
	
	@Select(SELECTALL)
	@Results(value={
			@Result(column="mb_id",property="id"),
			@Result(column="mb_username",property="username"),
			@Result(column="mb_password",property="password"),
			@Result(column="mb_age",property="age"),
			@Result(column="mb_birthdate",property="birthdate"),
			@Result(column="mb_gender",property="gender"),
			@Result(column="mb_address",property="address")
	})
	List<User> getAll();
}

下面是MapperProvider类

/**
 * 文件名：InsertProvider.java
 *
 * 版本信息：
 * 日期：2012-8-29
 * Copyright 足下 Corporation 2012 
 * 版权所有
 *
 */
package org.richiedryday.mybatis.batch.mapper.util;

import java.text.MessageFormat;
import java.util.List;
import java.util.Map;

import org.richiedryday.mybatis.batch.domain.User;

/**
 * 
 * 项目名称：mybatis-batch
 * 类名称：InsertProvider
 * 类描述：批量插入辅助类
 * 创建人：richie144
 * 创建时间：2012-8-29 下午1:32:18
 * 修改人：richie144
 * 修改时间：2012-8-29 下午1:32:18
 * 修改备注：
 * @version 
 * 
 */
public class MapperProvider {
	
	//批量插入
	public String insertAll(Map<String,List<User>> map) {	
		List<User> users = map.get("list");
		StringBuilder sb = new StringBuilder();
		sb.append("INSERT INTO richie144_user VALUES");
		MessageFormat messageFormat = new MessageFormat("(null,#'{'list[{0}].username},#'{'list[{0}].password},#'{'list[{0}].age},#'{'list[{0}].birthdate},#'{'list[{0}].gender},#'{'list[{0}].address})");
		for(int i = 0 ;i<users.size();i++) {
			sb.append(messageFormat.format(new Object[]{i}));
			if (i < users.size() - 1) {  
			    sb.append(",");   
            }
		}
		System.out.println(sb.toString());
		return sb.toString();
	}
	//批量删除
	public String deleteAll(Map<String,List<User>> map) {
		List<User> users =map.get("list");
		StringBuilder sb = new StringBuilder();
		sb.append("DELETE FROM richie144_user WHERE mb_id in (");
		MessageFormat messageFormat = new MessageFormat("#'{'list[{0}].id}");
		for(int i = 0 ;i<users.size();i++) {
			sb.append(messageFormat.format(new Integer[]{i}));
			if (i < users.size() - 1) {  
			    sb.append(",");   
            }
		}
		sb.append(")");
		System.out.println(sb.toString());
		return sb.toString();
	}
	//批量更新就简单了一个普通的更新方法就可以搞定。
	
	//下面是oracle 批量插入的insertProvider,因为oracle
	public String insertAll4Orcl(Map<String,List<User>> map){
		List<User> users =map.get("list");
		StringBuilder sb = new StringBuilder();
		MessageFormat messageFormat = new MessageFormat("#'{'list[{0}].username},#'{'list[{0}].password},#'{'list[{0}].age},#'{'list[{0}].birthdate},#'{'list[{0}].gender},#'{'list[{0}].address}");
		sb.append(" INSERT INTO richie144_user(mb_username,mb_password,mb_age,mb_birthdate,mb_gender,mb_address) ");
		for(int i = 0 ;i<users.size();i++) {
			//注意空格
			sb.append("SELECT ");
			sb.append(messageFormat.format(new Object[]{i}));
			//注意空格
			sb.append(" FROM DUAL ");
			if(i<users.size()-1) {
				sb.append(" UNION ALL ");
			}
		}
		System.out.println(sb.toString());
		return sb.toString();
	}
}

配置文件放在类路径下（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>
	<environments default="development">
		<environment id="development">
			<transactionManager type="JDBC" />
			<dataSource type="POOLED">
				<!-- <property name="driver" value="com.mysql.jdbc.Driver" />
				<property name="url" value="jdbc:mysql://localhost:3306/mybatis_batch"/>
				<property name="username" value="root" />
				<property name="password" value="admin" /> -->
				
				<property name="driver" value="oracle.jdbc.driver.OracleDriver" />
				<property name="url" value="jdbc:oracle:thin:@localhost:1521:orcl"/>
				<property name="username" value="scott" />
				<property name="password" value="tiger" />
			</dataSource>
		</environment>
	</environments>
	<mappers>
		<mapper class="org.richiedryday.mybatis.batch.mapper.UserMapper"/>
	</mappers>
</configuration>

下面开始测试

/**
 * 文件名：CRUDTest.java
 *
 * 版本信息：
 * 日期：2012-8-29
 * Copyright 足下 Corporation 2012 
 * 版权所有
 *
 */
package org.richiedryday.mybatis.batch.test;

import java.io.IOException;
import java.io.InputStream;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.List;

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.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.richiedryday.mybatis.batch.domain.User;
import org.richiedryday.mybatis.batch.mapper.UserMapper;


/**
 * 
 * 项目名称：mybatis-batch
 * 类名称：CRUDTest
 * 类描述：各种CRUD 包括批处理测试类
 * 创建人：richie144
 * 创建时间：2012-8-29 上午9:38:11
 * 修改人：richie144
 * 修改时间：2012-8-29 上午9:38:11
 * 修改备注：
 * @version 
 * 
 */
public class CRUDTest {
	
	private static final Logger log = Logger.getLogger(CRUDTest.class);
	private static final String resource = "mybatis-config.xml";
	private static SqlSessionFactory sessionFactory = null;
	User u1 = new User(null, "aaa", "aaaa", 10, Timestamp.valueOf("1986-11-10 23:23:56"), '男', "武昌关山");
	User u2 = new User(null, "bbb", "bbbb", 11, Timestamp.valueOf("1987-11-10 23:23:56"), '男', "武昌关山");
	User u3 = new User(null, "ccc", "cccc", 12, Timestamp.valueOf("1985-11-10 23:23:56"), '男', "武昌关山");
	User u4 = new User(null, "ddd", "dddd", 13, Timestamp.valueOf("1989-11-10 23:23:56"), '男', "武昌关山");
	User u5 = new User(null, "eee", "eeee", 14, Timestamp.valueOf("1983-11-10 23:23:56"), '男', "武昌关山");
	User u6 = new User(null, "fff", "ffff", 15, Timestamp.valueOf("1988-11-10 23:23:56"), '男', "武昌关山");
	User u7 = new User(null, "ggg", "gggg", 16, Timestamp.valueOf("1980-11-10 23:23:56"), '男', "武昌关山");
	User u8 = new User(null, "hhh", "hhhh", 17, Timestamp.valueOf("1982-11-10 23:23:56"), '男', "武昌关山");
	User u9 = new User(null, "iii", "iiii", 18, Timestamp.valueOf("1985-11-10 23:23:56"), '男', "武昌关山");
	User u10 = new User(null, "jjj", "jjjj", 19, Timestamp.valueOf("1984-11-10 23:23:56"), '男', "武昌关山");
	User u11 = new User(null, "kkk", "kkkk", 20, Timestamp.valueOf("1985-11-10 23:23:56"), '男', "武昌关山");
	User u12 = new User(null, "lll", "llll", 21, Timestamp.valueOf("1981-11-10 23:23:56"), '男', "武昌关山");
	User u13 = new User(null, "mmm", "mmmm", 22, Timestamp.valueOf("1985-11-10 23:23:56"), '男', "武昌关山");
	User u14 = new User(null, "nnn", "nnnn", 23, Timestamp.valueOf("1990-11-10 23:23:56"), '男', "武昌关山");
	User u15 = new User(null, "ooo", "oooo", 24, Timestamp.valueOf("1992-11-10 23:23:56"), '男', "武昌关山");
	private static final User u16 = new User(null, "dryday", "000000", 23,Timestamp.valueOf("1989-11-10 23:23:56") , '男', "湖北省武汉市武昌华城新都");
	private static final User u17 = new User(null, "renhuan", "000000", 24,Timestamp.valueOf("1989-11-10 23:23:56") , '男', "湖北省武汉市武昌关山大道曙光村");
	@BeforeClass
	public static void setUp() {
		InputStream is = null;
		try {
			is = Resources.getResourceAsStream(resource);
			sessionFactory = new SqlSessionFactoryBuilder().build(is);
		} catch (IOException e) {
			log.debug("未找到资源文件"+resource);
			e.printStackTrace();
		} finally {
			try {
				if(is != null) {
					is.close();
					is = null;
				}
			} catch (IOException e) {
				log.debug("回收资源"+ is + "失败 ！");
				e.printStackTrace();
			}
		}
	}
	
	@AfterClass
	public static void shutDown() {
		System.err.println("test over");
	}
	
	public static SqlSession getSession(SqlSessionFactory sessionFactory) {
		return sessionFactory.openSession();
	}
	
	//下面是最基本的增删改查
	@Test
	public void testInsert() {
		SqlSession session = getSession(sessionFactory);
		UserMapper userMapper = session.getMapper(UserMapper.class);
		userMapper.insert(u1);
		userMapper.insert(u2);
		session.commit(true);
		session.close();
	}
	
	@Test
	public void testDelete() {
		SqlSession session = getSession(sessionFactory);
		UserMapper userMapper = session.getMapper(UserMapper.class);
		userMapper.delete(2);
		session.commit();
		session.close();
	}
	@Test
	public void testUpdate() {
		SqlSession session = getSession(sessionFactory);
		UserMapper userMapper = session.getMapper(UserMapper.class);
		User user = new User(null, "richie144", "admin", 24, Timestamp.valueOf("1989-11-10 23:23:56") , '男', "湖北省武汉市武昌关山大道曙光村");
		userMapper.update(user);
		session.commit();
		session.close();
	}
	
	@Test
	public void testGetSingle() {
		SqlSession session = getSession(sessionFactory);
		UserMapper userMapper = session.getMapper(UserMapper.class);
		User u = userMapper.getSingle(1);
		System.out.println(u);
		session.commit();
		session.close();
	}
	
	//下面进行批量处理
	
	@Test
	public void testInsertAll() {
		SqlSession session = getSession(sessionFactory);
		UserMapper userMapper = session.getMapper(UserMapper.class);
		List<User> users = new ArrayList<User>();
		users.add(u1);
		users.add(u2);
		users.add(u3);
		users.add(u4);
		users.add(u5);
		users.add(u6);
		users.add(u7);
		users.add(u8);
		users.add(u9);
		users.add(u10);
		users.add(u11);
		users.add(u12);
		users.add(u13);
		users.add(u14);
		users.add(u15);
		users.add(u16);
		users.add(u17);
		userMapper.insertAll(users);
		session.commit();
		session.close();
	}
	
	@Test
	public void testDeleteAll() {
		SqlSession session = getSession(sessionFactory);
		UserMapper userMapper = session.getMapper(UserMapper.class);
		List<User> users = getAll();
		userMapper.deleteAll(users);
		session.commit();
		session.close();
	}
	
	/**
	 * 
	 * getAll(给批量删除提供数据)
	 * @param  @return    设定文件
	 * @return String    DOM对象
	 * @Exception 异常对象
	 * @since  CodingExample　Ver(编码范例查看) 1.1
	 */
	private	List<User> getAll() {
		SqlSession session = getSession(sessionFactory);
		UserMapper userMapper = session.getMapper(UserMapper.class);
		List<User> users = userMapper.getAll();
		return users;
	}
	@Test
	public void testInsertAll4Orcl() {
		SqlSession session = getSession(sessionFactory);
		UserMapper userMapper = session.getMapper(UserMapper.class);
		List<User> users = new ArrayList<User>();
		users.add(u1);
		users.add(u2);
		users.add(u3);
		users.add(u4);
		users.add(u5);
		users.add(u6);
		users.add(u7);
		users.add(u8);
		users.add(u9);
		users.add(u10);
		users.add(u11);
		users.add(u12);
		users.add(u13);
		users.add(u14);
		users.add(u15);
		users.add(u16);
		users.add(u17);
		userMapper.insertAll(users);
		session.commit();
		session.close();
	}
}

测试成功，OK搞定奉上源码。。详见附件