<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> 
 <property name="configLocation" value="classpath:mybatis-config.xml" /> 
 <property name="dataSource" ref="dataSource" /> 
</bean> 

<!-- 属性替换 --> 
<properties resource="mysql.properties"> 
 <property name="jdbc.driverClassName" value="com.mysql.jdbc.Driver"/> 
 <property name="jdbc.url" value="jdbc:mysql://localhost:3306/student_manager"/> 
 <property name="username" value="root"/> 
 <property name="password" value="limingnihao"/> 
</properties> 

<settings> 
 <setting name="cacheEnabled" value="true" /> 
 <setting name="lazyLoadingEnabled" value="true" /> 
 <setting name="multipleResultSetsEnabled" value="true" /> 
 <setting name="useColumnLabel" value="true" /> 
 <setting name="useGeneratedKeys" value="false" /> 
 <setting name="enhancementEnabled" value="false" /> 
 <setting name="defaultExecutorType" value="SIMPLE" /> 
</settings> 

<typeAliases> 
 <typeAlias alias="UserEntity" type="com.manager.data.model.UserEntity" /> 
 <typeAlias alias="StudentEntity" type="com.manager.data.model.StudentEntity" /> 
 <typeAlias alias="ClassEntity" type="com.manager.data.model.ClassEntity" /> 
</typeAliases> 

public class LimingStringTypeHandler implements TypeHandler { 
 
 @Override 
 public void setParameter(PreparedStatement ps, int i, Object parameter, JdbcType jdbcType) throws SQLException { 
  System.out.println("setParameter - parameter: " + ((String) parameter) + ", jdbcType: " + jdbcType.TYPE_CODE); 
  ps.setString(i, ((String) parameter)); 
 } 
 
 @Override 
 public Object getResult(ResultSet rs, String columnName) throws SQLException { 
  System.out.println("getResult - columnName: " + columnName); 
  return rs.getString(columnName); 
 } 
 
 @Override 
 public Object getResult(CallableStatement cs, int columnIndex) throws SQLException { 
  System.out.println("getResult - columnIndex: " + columnIndex); 
  return cs.getString(columnIndex); 
 } 
} 

<typeHandlers> 
 <typeHandler javaType="String" jdbcType="VARCHAR" handler="liming.student.manager.type.LimingStringTypeHandler"/> 
</typeHandlers> 

public class LimingObjectFactory extends DefaultObjectFactory { 
 
 private static final long serialVersionUID = -399284318168302833L; 
 
 @Override 
 public Object create(Class type) { 
  return super.create(type); 
 } 
 
 @Override 
 public Object create(Class type, List<Class> constructorArgTypes, List<Object> constructorArgs) { 
  System.out.println("create - type: " + type.toString()); 
  return super.create(type, constructorArgTypes, constructorArgs); 
 } 
 
 @Override 
 public void setProperties(Properties properties) { 
  System.out.println("setProperties - properties: " + properties.toString() + ", someProperty: " + properties.getProperty("someProperty")); 
  super.setProperties(properties); 
 } 
 
} 

<objectFactory type="liming.student.manager.configuration.LimingObjectFactory"> 
 <property name="someProperty" value="100"/> 
</objectFactory> 

<mappers> 
 <mapper resource="com/manager/data/maps/UserMapper.xml" /> 
 <mapper resource="com/manager/data/maps/StudentMapper.xml" /> 
 <mapper resource="com/manager/data/maps/ClassMapper.xml" /> 
</map