paip.环境设置 mybatis ibatis cfg 环境设置

paip.环境设置 mybatis ibatis cfg 环境设置





三部分

//////////1. 电泳。。。。

、、、、、、、、、、、、2. 猪配置文件  com/mijie/homi/search/util/ibatiascfg.xml

、、、、、、、、、、、、、、、、、3.mappers 配置文件  ibatis/index.xml





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//////////1. 电泳。。。。

 public static void main(String[] args) {

       // TODO Auto-generated method stub

       try {

           String resource = "com/mijie/homi/search/util/ibatiascfg.xml";

           Reader reader;





           reader = Resources.getResourceAsReader(resource);





           SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder()

                   .build(reader);

           SqlSession sqlSession = sqlSessionFactory.openSession();

        List li=   sqlSession.selectList("getRecently100", 9999999);

//            StudentDao studentDao =sqlSession.getMapper(StudentDao.class);

//            Student st = studentDao.getstudent(1);

           System.out.println( li.size());





作者Attilax  艾龙，  EMAIL:1466519819@qq.com

来源：attilax的专栏

地址：http://blog.csdn.net/attilax



、、、、、、、、、、、、2. 猪配置文件  com/mijie/homi/search/util/ibatiascfg.xml

<?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>

<!--  

<properties resource="config/config.properties"></properties>

-->

<typeAliases>

<!--  

<package name="pojo" />

-->

<typeAlias alias="Topic" type="com.mijie.homi.search.domain.topic.Topic" />

<typeAlias alias="Topic" type="com.mijie.homi.search.domain.topic.Topic"  />

<typeAlias alias="TopicOptions" type="com.mijie.homi.search.domain.topic.TopicOptions"  />

<typeAlias alias="User" type="com.mijie.homi.common.domain.user.User"  />

<typeAlias alias="UserExtInfo" type="com.mijie.homi.common.domain.user.UserExtInfo"  />

<typeAlias alias="Mood" type="com.mijie.homi.common.domain.mood.Mood"  />

<typeAlias alias="MoodUser" type="com.mijie.homi.search.domain.user.MoodUser"  />

</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://192.168.0.132:3306/homi" />

<property name="username" value="root" />

<property name="password" value="password" />

<property name="poolMaximumActiveConnections" value="15" />

<property name="poolMaximumCheckoutTime" value="5000" />

<!-- 

<property name="username" value="${username}" />

<property name="password" value="${password}" />

-->

</dataSource>

</environment>

</environments>



  <mappers>

        <mapper resource="ibatis/index.xml" />

    </mappers>

</configuration>





、、、、、、、、、、、、、、、、、3.mappers 配置文件  ibatis/index.xml









<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE mapper  PUBLIC "-//ibatis.apache.org//DTD Mapper 3.0//EN"  "http://ibatis.apache.org/dtd/ibatis-3-mapper.dtd">









<mapper namespace="com.mijie.homi.domain.mood.Mood4full">

   

   <!-- where id  <=#{id} and timelineId=0 -->

   <select id="getRecently100" parameterType="int" resultType="java.util.HashMap">

      

         <![CDATA[ select    * from mood4full  where id  <=#{id}  

         order by id desc   limit 100  ]]>

   </select>

   

      <select id="listRecentlyLoginUserMood" parameterType="map" resultType="Mood">

    select m.* from  userExtInfo as e join mood as m

on m.id=e.moodId

where e.lastLoginAt >= #{atleastLastLoginAt}

order by e.lastLoginAt desc 

limit #{offset},#{limit}

   </select>

   

   

      <select id="moodsByIds" parameterType="string" resultType="java.util.HashMap">

    select *,u.id uid,e.lastloginat from mood m,user u,userExtInfo e  where  m.userid=u.id and u.id=e.id and m.id in ( ${_parameter} ) order by m.id desc limit 100 



   </select>

   

   </mapper>