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  • mybatis入门相关笔记

    mybatis全局配置文件,新建在src下面.

    模板

    <?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>
      <environments default="development">
        <environment id="development">
          <transactionManager type="JDBC"/>
          <dataSource type="POOLED">
            <property name="driver" value="${driver}"/>
            <property name="url" value="${url}"/>
            <property name="username" value="${username}"/>
            <property name="password" value="${password}"/>
          </dataSource>
        </environment>
      </environments>
      <mappers>
        <mapper resource="org/mybatis/example/BlogMapper.xml"/>
      </mappers>
    </configuration>

    相当于实现类,mapper文件

    模板

    <?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="org.mybatis.example.BlogMapper">
      <select id="selectBlog" parameterType="int" resultType="Blog">
        select * from Blog where id = #{id}
      </select>
    </mapper>
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  • 原文地址:https://www.cnblogs.com/chyxOne/p/9840299.html
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