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最新推荐文章于 2025-01-16 11:39:50 发布

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最新推荐文章于 2025-01-16 11:39:50 发布

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分类专栏： MyBaties 文章标签： java 数据库

本文链接：https://blog.youkuaiyun.com/qq_46372637/article/details/127940501

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MyBaties配置文件模板

mybaties-config.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "https://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    <!-- 资源配置文件 -->
    <properties resource="jdbcproperties.properties"></properties>
    <typeAliases>
        <!-- 所有实体类别名 -->
        <package name="entity"/>
    </typeAliases>
    <environments default="development">
        <environment id="development">
            <transactionManager type="JDBC"/>
            <dataSource type="POOLED">
                <property name="driver" value="${jdbc.driver}"/>
                <property name="url" value="${jdbc.url}"/>
                <property name="username" value="${jdbc.username}"/>
                <property name="password" value="${jdbc.password}"/>
            </dataSource>
        </environment>
    </environments>
    <mappers>
       <!-- 所有映射文件 -->
        <package name="mapper"/>
    </mappers>
</configuration>

mapper 映射文件模板

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "https://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="mapper.StudentMapper" >

    <select id="findUserById"  resultType="entity.StudentEntity">
        select * from student where id = #{id}
    </select>
</mapper>