参考网址 http://www.mybatis.org/mybatis-3/zh/getting-started.html db.properties ~~~ db.driver=com.mysql.jdbc.Driver db.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8 db.username=root db.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> <properties resource="db.properties"/> <environments default="development"> <environment id="development"> <transactionManager type="JDBC"/> <dataSource type="POOLED"> <property name="driver" value="${db.driver}"/> <property name="url" value="${db.url}"/> <property name="username" value="${db.username}"/> <property name="password" value="${db.password}"/> </dataSource> </environment> </environments> <mappers> <mapper resource="UserMapper.xml"/> </mappers> </configuration> ~~~