Loren的博客

Mapper类中传入的参数是List类型（Map类型同理）：void deleteBatch(@Param("del_ids")ListInteger> del_ids);Mapper.xml中修改SQL如下："deleteBatch" parameterType="java.lang.Integer"> update contract_table set

mybatis-config.xml文件的书写及相关配置、属性的用途<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">configuration> <!-- 1、引入外部proper

mybatis配置数据源请参阅(一)mybatis学习之mybatis-config.xml 创建实体类Empolyee.javapackage com.loren.entity;import org.apache.ibatis.type.Alias;//@Alias()为实体类指定新的别名@Alias("emp")public class Employee { pri