Mybatis简单增、删、改、查语句和后台操做代码

1、操做语句 <?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="customer"> <!-- 查询语句

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