mybatis-config.xml
<?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> <setting name="mapUnderscoreToCamelCase" value="true" /> </settings> </configuration>
开始以为配置了这个文件就可以了,搞了半天还是没生效,不能转驼峰,然后查了下configuration初始化时它的值也为true,说明初始化是正确,后来才知道原因出在mapper文件
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace="menu.mysql"> <select id="selectMenu" resultType="org.me.menu.Menu"> select MENU_ID, MENU_NAME, PARENT_ID, URL, TITLE, LEAF, ORDER_SEQ from mysql.MENU order by ORDER_SEQ </select> </mapper>
开始我配置成resultType="hashMap"是可以返回结果,但是结果是没有自动转成驼峰,要真正存在一个与它对应的驼峰Bean与它对应才生效,resultType="org.me.menu.Menu"
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