iBatis详细讲解的.pptVIP

iBatis 技术框架;课程目标： Sql Maps 介绍 Sql Maps的安装 Sql Maps配置文件 SQL Map XML映射文件 自动生成键 缓存机制 批量更新 高级查询技术 动态SQL;简 介;SQL Map介绍;SQL Map如何工作？;下图描述了以上的执行流程。 ;开发步骤;与传统的JDBC进行比较;SQL Map XML配置文件 ;?xml version=1.0 encoding=UTF-8 ? !DOCTYPE sqlMapConfig PUBLIC -//iBATIS.com//DTD SQL Map Config 2.0//EN /dtd/sql-map-config-2.dtd !-- Always ensure to use the correct XML header as above! -- sqlMapConfig !– The properties (name=value) in the file specified here can be used placeholders in this config file (e.g. “${driver}”. The file is relative to the classpath and is completely optional. -- properties resource= examples/sqlmap/maps/SqlMapConfigEperties / !-- These settings control SqlMapClient configuration details, primarily to do with transaction management. They are all optional (more detail later in this document). -- settings cacheModelsEnabled=true enhancementEnabled=true lazyLoadingEnabled=true maxRequests=32 maxSessions=10 maxTransactions=5 useStatementNamespaces=false / ; typeAlias alias=order type=testdomain.Order/ !-- Configure a datasource to use with this SQL Map using SimpleDataSource. Notice the use of the properties from the above resource -- transactionManager type=JDBC dataSource type=SIMPLE property name=JDBC.Driver value=${driver}/ property name=JDBC.ConnectionURL value=${url}/ property name=JDBC.Username value=${username}/ property name=JDBC.Password value=${password}/ property name=JDBC.DefaultAutoCommit value=true / 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 ACCOUNT/ property name=Pool.PingEnabled value=false/ property name=Pool.PingConnectionsOlderThan value=1/ property name=Pool.PingConnectionsNotUsedFor value=1/ /dataSource /transactionManager sqlMap resource=examples/sqlmap/maps/Person.xml / /sqlMapConfig ;详细讨论以上SQL Ma