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mybatis

时间:2016-07-23 01:55:34      阅读:215      评论:0      收藏:0      [点我收藏+]

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1、单独配置的情况,测试mybatis。

mybatis.xml 配置文件:

<?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>
    <typeAliases>
        <typeAlias alias="User" type="com.yiibai.mybatis.models.User" />
    </typeAliases>
    <environments default="development">
        <environment id="development">
            <transactionManager type="JDBC" />
            <dataSource type="POOLED">
                <property name="driver" value="com.mysql.jdbc.Driver" />
                <property name="url" value="jdbc:mysql://127.0.0.1:3306/yiibai" />
                <property name="username" value="root" />
                <property name="password" value="" />
            </dataSource>
        </environment>
    </environments>

    <mappers>
        <!-- // power by http://www.yiibai.com -->
        <mapper resource="com/yiibai/mybatis/models/User.xml" />
    </mappers>
</configuration>

2、配置文件, 一个实体类对应1个配置文件;

<?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.yiibai.mybatis.models.UserMapper">
    <select id="GetUserByID" parameterType="int" resultType="User">
        select * from `user` where id = #{id}
    </select>
</mapper>

 

mybatis

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原文地址:http://www.cnblogs.com/lishupeng/p/5697688.html

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