properties标签来引入外部配置文件的内容
<properties resource="cmdbconfig.properties'</properties >resource引入类路径下的资源 url引入网路路径或者磁盘路径下的资源 在cmdbconfig.properties文件中写入 jdbc.Driver= jdbc.url= jdbc.name= jdbc.password=
<?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=${jdbc.Driver}"/> <property name="url" value="${jdbc.url}"/> <property name="username" value="${jdbc.name}"/> <property name="password" value="${jdbc.password}"/> </dataSource> </environment> </environments> <mappers> <mapper resource="EmployeeMapper.xml"/> //将写好的sql映射在配置文件中，如果有包用/分割 </mappers> </configuration>