MyBatis设置别名

单个设置别名

conf.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="db.properties"/>

	<!-- 
	<settings>
			<setting name="cacheEnabled" value="false"  />
			<setting name="lazyLoadingEnabled" value="false"  />
	</settings>
 	-->
 	<!-- 设置单个/多个别名 -->
	<typeAliases>
		<!-- 单个别名 （别名 忽略大小写） -->
		 <typeAlias type="org.lanqiao.entity.Student" alias="student"/> 		
	</typeAliases>
	
	
	<typeHandlers>
		<typeHandler handler="org.lanqiao.converter.BooleanAndIntConverter" javaType="Boolean" jdbcType="INTEGER" />
	</typeHandlers>

	<environments default="development">
		<environment id="development">

			   <transactionManager type="JDBC" />

				 
				<dataSource type="POOLED">
					
				
					<!-- 配置数据库信息 -->
					<property name="driver" value="${driver}"/>
					<property name="url" value="${url}"/>
					<property name="username" value="${username}"/>
					<property name="password" value="${password}"/>
				</dataSource>
		</environment>
		
		
	</environments>
	
	
	
	<mappers>
		<!-- 加载映射文件 -->
		<mapper resource="org/lanqiao/mapper/studentMapper.xml"/>
	</mappers>
</configuration>

多个别名:

<?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="db.properties"/>

	<!-- 
	<settings>
			<setting name="cacheEnabled" value="false"  />
			<setting name="lazyLoadingEnabled" value="false"  />
	</settings>
 	-->
 	<!-- 设置单个/多个别名 -->
	<typeAliases>
		<!--  批量定义别名  （别名 忽略大小写），以下会自动将该包中的所有类 批量定义别名： 别名就是类名（不带包名，忽略大小写）   -->
		<package name="org.lanqiao.entity"/>
	</typeAliases>
	
	
	<typeHandlers>
		<typeHandler handler="org.lanqiao.converter.BooleanAndIntConverter" javaType="Boolean" jdbcType="INTEGER" />
	</typeHandlers>

	<environments default="development">
		<environment id="development">

			   <transactionManager type="JDBC" />

				 
				<dataSource type="POOLED">
					
				
					<!-- 配置数据库信息 -->
					<property name="driver" value="${driver}"/>
					<property name="url" value="${url}"/>
					<property name="username" value="${username}"/>
					<property name="password" value="${password}"/>
				</dataSource>
		</environment>
		
		
	</environments>
	
	
	
	<mappers>
		<!-- 加载映射文件 -->
		<mapper resource="org/lanqiao/mapper/studentMapper.xml"/>
	</mappers>
</configuration>

内置别名