~~~ <?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> <!-- 引入db.properties --> <!--<properties resource="db.properties"/>--> <!-- 全局配置 --> <settings> <!-- 打印sql日志 --> <setting name="logImpl" value="STDOUT_LOGGING"/> </settings> <!--为我们的类型设置别名 --> <typeAliases> <package name="com.nobb.domain"/> </typeAliases> <environments default="development"> <environment id="development"> <!-- 指定事务管理方式--> <transactionManager type="JDBC"/> <dataSource type="POOLED"> <!-- 四大连接信息配置 --> <property name="driver" value="com.mysql.cj.jdbc.Driver"/> <property name="url" value="jdbc:mysql://localhost:3306/ssm?serverTimezone=UTC"/> <property name="username" value="root"/> <property name="password" value="123"/> </dataSource> </environment> </environments> <mappers> <!-- 注册Mapper映射文件 --> <mapper resource="mappers/AccountMapper.xml"/> </mappers> </configuration> ~~~