新建一个项目
我的项目名称是ibatis
1,导入ibatis所需要的包,因为我使用了日志log4j,所以也把log4j的依赖包也导进来
ibatis-2.3.4.726.jar
commons-logging-api.jar
commons-logging-1.1.jar
commons-dbcp-1.2.2.jar
commons-pool.jar
h2-1.3.154.jar (h2数据库所需要jar包)
2,在src目录下创建一个xml文件 sqlmap-config.xml(文件名随意改)但是等一下要用到的时候也要相应改上就好了。
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd"> <sqlMapConfig> <settings cacheModelsEnabled="true" enhancementEnabled="true" lazyLoadingEnabled="true" errorTracingEnabled="true" maxRequests="32" maxSessions="10" maxTransactions="5" useStatementNamespaces="false" /> <transactionManager type="JDBC"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.h2.Driver" /> <property name="JDBC.ConnectionURL" value="jdbc:h2:database/h2db" /> <property name="JDBC.Username" value="root" /> <property name="JDBC.Password" value="" /> <property name="Pool.MaximumActiveConnections" value="10" /> <property name="Pool.MaximumIdleConnections" value="5" /> <property name="Pool.MaximumCheckoutTime" value="120000" /> <property name="Pool.TimeToWait" value="500" /> <property name="Pool.PingQuery" value="select 1 from sample" /> <property name="Pool.PingEnabled" value="false" /> <property name="Pool.PingConnectionsOlderThan" value="1" /> <property name="Pool.PingConnectionsNotUsedFor" value="1" /> </dataSource> </transactionManager> <!-- 引入user操作文件 --> <sqlMap resource="sqlmap/user-sql.xml"/> </sqlMapConfig>
3,在src目录下创建文件夹 sqlmap,然后在文件夹下创建xml文件user-sql.xml
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd"> <sqlMap namespace="User"> <typeAlias alias="user" type="model.User" /> <select id="getUser" parameterClass="java.lang.String" resultClass="user"> <![CDATA[ select name, sex from t_user where name = #name# ]]> </select> <select id="getAllUser" resultClass="user"> <![CDATA[ select name, sex from t_user ]]> </select> <update id="updateUser" parameterClass="user"> <![CDATA[ UPDATE t_user SET name=#name#, sex=#sex# WHERE id = #id# ]]> </update> <insert id="insertUser" parameterClass="user"> INSERT INTO t_user ( name, sex) VALUES ( #name#, #sex# ) </insert> <delete id="deleteUser" parameterClass="java.lang.String"> delete from t_user where id=#value# </delete> </sqlMap>
4,在src目录下新建文件夹model,然后在文件夹下新建一个类 User.java
package model; import java.io.Serializable; public class User implements Serializable { private static final long serialVersionUID = 1L; private Integer id; private String name; private Integer sex; public User() { } public Integer getId() { return this.id; } public void setId(Integer id) { this.id = id; } public String getName() { return this.name; } public void setName(String name) { this.name = name; } public Integer getSex() { return this.sex; } public void setSex(Integer sex) { this.sex = sex; } }
5,在src目录下新建h2demo.java类
import java.io.Reader; import java.sql.SQLException; import java.util.List; import model.User; import com.ibatis.common.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; /** * * @代码功能:测试demo * @packageName * @file_name h2demo.java * @type_name h2demo * @author jiangx * @Description * * @email [email protected] * @date 2011-4-22 下午11:13:07 */ public class h2demo { public static void update() { // 首先初始化iBatis获得一个SqlMapClient对象 String resource = "sqlmap-config.xml"; SqlMapClient sqlMap = null; try { Reader reader = Resources.getResourceAsReader(resource); sqlMap = SqlMapClientBuilder.buildSqlMapClient(reader); } catch (Exception e) { e.printStackTrace(); } // sqlMap系统初始化完毕,开始执行update操作 try { sqlMap.startTransaction(); User user = new User(); user.setId(new Integer(1)); user.setName("江伟雄"); user.setSex(new Integer(1)); sqlMap.update("updateUser", user); sqlMap.commitTransaction(); } catch (SQLException e) { System.out.println(e.getMessage()); } finally { try { sqlMap.endTransaction(); } catch (SQLException e) { e.printStackTrace(); } } } public static List getUser() { // 首先初始化iBatis获得一个SqlMapClient对象 String resource = "sqlmap-config.xml"; com.ibatis.sqlmap.client.SqlMapClient sqlMap = null; List user = null; try { java.io.Reader reader = com.ibatis.common.resources.Resources .getResourceAsReader(resource); sqlMap = SqlMapClientBuilder.buildSqlMapClient(reader); } catch (Exception e) { e.printStackTrace(); } // sqlMap系统初始化完毕,开始执行getAllUser操作 try { sqlMap.startTransaction(); user = sqlMap.queryForList("getAllUser", null); sqlMap.commitTransaction(); } catch (SQLException e) { System.out.println(e.getMessage()); } finally { try { sqlMap.endTransaction(); } catch (SQLException e) { e.printStackTrace(); } } return user; } public static void main(String[] args) { update(); List user = getUser(); for (int i = 0; i < user.size(); i++) { System.out.println(((User) user.get(i)).getName()); } } }
6,在项目根目录下新建一个文件夹database,然后干什么呢?这个文件夹里面放的是数据库文件!里面有一个bat的配置启动数据库的文件,双击之后就打开h2数据库网页客户端界面,同时h2 数据库启动,记住,运行项目的时候要先把h2数据库关掉才可以,因为h2数据库是在项目中启动的!
最后,不足的是h2数据库官方说明文档是英文版的,我自己没有找到中文版的,有空得把它翻译翻译,如果大家有找到中文版的,告诉我一声啊,那我就不用浪费时间了!谢谢...