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date: "2020-10-18T22:39:27+08:00" title: "hugo不蒜子统计数量" tags: ["不蒜子"] categories: ["不蒜子"] 官方文档地址 http://busuanzi.ibruce.info/ http://ibruce.info/2015/04/04/busuanzi/ 添加位置 hugo themes/layouts/partials/footer.html <…
1.简单的,按月统计数量 SELECT CREATE_DATE, DATE_FORMAT(CREATE_DATE, '%Y-%m') AS month , COUNT(*) AS sum FROM pt_user GROUP BY month; 2.按月累加统计数据 SELECT a.month, SUM(b.total) AS total FROM ( SELECT DATE_FORMAT(CREATE_DATE, '%Y-%m') AS month, SUM(sum) AS total FR…
SELECT DATE_FORMAT(releaseDate,"%Y年%m月") AS dates,COUNT(*) FROM t_diary GROUP BY DATE_FORMAT(releaseDate,"%Y年%m月") ORDER BY DATE_FORMAT(releaseDate,"%Y年%m月") DESC ;releaseDate 日期 t_diary表名 DATE_FORMAT();按照格式对某个日期操作ORDER BY 排序…
dao: /** * 统计商家的案例数量 * * @param shopId * @return */ long countByShopId(Long shopId); @Override public long countByShopId(Long shopId) { return super.getSessionTemplate().selectOne(getStatement("countByShopId"), shopId); } mapper: <select id=&…
CREATE TABLE emp(id INT PRIMARY KEY,NAME VARCHAR(11),dep_id INT ,salary INT); CREATE TABLE dept(id INT PRIMARY KEY,NAME VARCHAR(11),parentid INT); 获取各部门人数信息: SELECT e.dep_id,d.name,COUNT(e.dep_id) FROM emp e,dept d WHERE e.dep_id=d.id GROUP BY e.dep_…
1.每年 select year(ordertime) 年, sum(Total) 合计 from 表 group by year(ordertime) 2.每月 select year(ordertime) 年, month(ordertime) 月, sum(Total) 合计 from 表 group by year(ordertime), month(ordertime) 3.每日 select year(ordertime) 年, month(ordertime) 月, day(ord…
select p.id comperitorId,p.compcorp competitorName, sum(case when c.kindname = 'ATM' then c.num else 0 end) atm, sum(case when c.kindname = 'CRS' then c.num else 0 end) crs, sum(case when c.kindname = 'VTM' then c.num else 0 end) vtm, sum(case when c…
返回值的类型:resultType="java.lang.Integer". <select id="count" resultType="java.lang.Integer"> SELECT count(1) FROM account </select>MyBatis的每一个查询映射的返回类型都是ResultMap,只是当我们提供的返回类型属性是resultType的时候,MyBatis对自动的给我们把对应的值赋给res…
如果两个集合存储颜色的情况相同,说明这两个在k个图中都是在一个集合的 学到的点:用map,将vector映射一个整数时,只有vector后面的邻接的数据都一样时,才认为两个vector一样 代码: #include<cstdio> #include<cstring> #include<iostream> #include<algorithm> #include<queue> #include<stack> #include<ma…
操作dede_arctiny表,将和栏目对应的typeid所有文章去掉即可.…