Mybatis 配置优化
讲xml中的jdbc信息 抽离到properties中,再引入到xml中


注意properties的引入位置,需要再最上层
pox.ml中需要添加配置文件,打包时将resource引入
<build>
<resources>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>true</filtering>
</resource>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>true</filtering>
</resource>
</resources>
</build>
可以配置多套环境,通过default来切换

细节:
<transactionManager type="JDBC"/>事务有两种:JDBC与MANGED 默认使用JDBC Spring的话 不用配置
<dataSource type="POOLED"> 默认使用带池子的 有UNPOOLED\POOLED\JNDI

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