<?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> <settings> <!-- 获取数据库自增主键值 --> <setting name="useGeneratedKeys" value="true"/> <!-- 使用列标签替换列别名 默认:true --> <setting name="useColumnLabel" value="true"/> <!-- 开启驼峰命名转换 --> <setting name="mapUnderscoreToCamelCase" value="true"/> </settings> </configuration>