setter注入：<bean id="exampleBean" class="examples.ExampleBean"> <!-- setter injection using the nested <ref/> element --> <property name="beanOne"><ref bean="anotherExamp...
A DI CONTAINER is a software library that can automate many of the tasks involved incomposing objects and managing their lifetimes. Although it’s possible to write all therequired infrastructure cod...
In this post, we are going to see how to solve one design pattern challenge.
The challenge is what we a simplest way to find out the children elements which belongs to Animals, which belongs to Mat...
SELECT
ticketitemid,
userid,
productuid,
discounttype,
case when discounttype is null or discounttype=0 then '无折扣'
when discounttype=1 then '搭赠'
when discounttype=2 then '换购'
when discounttyp...
