mybatis 动态参数及其 foreach collection使用
Mybatis里传参数入Mapper一般基于基本类型,Integer、String、List、Hashtable,然后以此构架foreach迭代动态sql。
Just One Pure ITer
Mybatis里传参数入Mapper一般基于基本类型,Integer、String、List、Hashtable,然后以此构架foreach迭代动态sql。
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<select id="findUserListByIdList" parameterType="java.util.ArrayList" resultType="User"> select * from user user <where> user.id in <foreach collection="listName" item="guard" index="index" separator="," open="(" separator="," close=")" > #{guard} </foreach> </where> </select> |
Today I have implemented Spring Batch in my Spring MVC project for importing data from CSV file to database. There are plenty of tutorials on the internet but I met a lot of problems during...
我们知道,Spring 中 AOP 是一大核心技术,也是面试中经常会被问到的问题,最近我在网上也看到很多面试题,其中和 Spring AOP 相关的就有不少,这篇文章主要来总结下相关的技术点,希望对大家有用。
There are two classes OrderService and OrderRepository, OrderRepository will be called inside of OrderService. OrderRepository inserts one record of order into the database. My Purpose: When an exception happens in OrderRepository or OrderService, the transaction will rollback and...
声明式事务总结
Spring allows us to externalize String literals in its context configuration files into external properties files in order to separate application-specific settings from the framework-specific configuration. You can use the property values in context...
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