Mybatis学习总结二

一。动态sqljava     1.<if>元素sql     例子UserMapper.xml(映射文件)数组 <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.d

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