mybatis入门配置详解及实例下载

1、conf.xml文件配置

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" <a target=_blank href="http://mybatis.org/dtd/mybatis-3-mapper.dtd">http://mybatis.org/dtd/mybatis-3-mapper.dtd</a>>
<configuration><environments default="development"> <enviroment id="development"> <transactionManager type="JDBC" /><datasource type="POOLED"> <property name="driver" value="com.mysql.jdbc.Driver" /> <property name="url" value="jdbc:mysql//localhost:3306/monitor" /><property name="username" value="root" /><property name="password" value="123456" /></dataSource></enviroment></enviroments><mappers> <mapper resource="com/dcfs/zhangfyb/config/modelMapping.xml" /></mappers></configuration>

2、modelMapping文件配置详解

<pre class="html" name="code"><?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" <a target=_blank href="http://mybatis.org/dtd/mybatis-3-mapper.dtd">http://mybatis.org/dtd/mybatis-3-mapper.dtd</a>>
<mapper namespace="com.dcfs.zhangfyb.config.modelMapping">
<update id="updateModel" parameterType="com.dcfs.zhangfyb.model">
update event_type set description=#{DESCRIPTION} where name= #{NAME}
</update>

<select id="getmodel" parameterType="string" resultType="com.dcfs.zhangfyb.model">
select * from event_type where 1=1
</select>
</mapper>

</pre><pre class="html" name="code">3、model类

public class Model{
private String  name;
private String description;
private String des;

public String getDes(){
return des;
}

public void setDes (String des){
this.des = des;
}

public String getName(){
return name;
}

public void setName(String name){
this.name = name;
}

public String getDescription(){
return description;
}

public void setDescription(String description){
this.description = description;
}

}

<pre class="html" name="code">public class Test{

public static void main(String[] args){

String resource="conf.xml";
InputStream is = Test.class.getClassLoader().getResourceAsStream(resource);
SqlSessionFactory sessionfactory = new  SqlSessionFactoryBuilder().build(is);

SqlSession session =sessionfactory.openSession();

String state = "com.dcfs.zhangfyb.comfig.modelMapping.getModel"

List<Model> lists = session.selectList(state);

for(Model list:lists){

System.out.println(list.getName() + "  " + lsit.getDescription());

}
}

}