MyBatis更新数据.txt

添加映射—— <?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="com.cd.StudentMapper"> <update id="updateStudent"> update stu_tbl set name=#{name}, age=#{age} where id=#{id} </update> </mapper>