多个Select语句嵌套,据说最多是七层,没试过,这里是三层。 SELECT inck.ToCK as 仓库, chanpin.CPno AS 产品编号, chanpin.CPpinpai AS 产品品牌, chanpin.CPname AS 产品名称, chanpin.CPKind AS 产品规格, chanpin.CPunit as 计数单位, inck.INyouxiao as
mysql 一个字段多个id逗号分隔关联查询 关键点是:FIND_IN_SET、GROUP_CONCAT、GROUP BY -- mysql 查询逗号分隔的多个idselect t1.id,t1.chapter_id,t2.id,t2.name as bookVersionName,GROUP_CONCAT(t3.`name`) as chapterName,t4.id,t4.name as
新建NoDoubleClickListener import android.view.View;import java.util.Calendar;public abstract class NoDoubleClickListener implements View.OnClickListener {public static final int MIN_CLICK_DELAY_TIME =