在连接字符串中 添加设置节点 ConnectionLifeTime(计量单位为 秒).超过设定的连接会话 会被杀死! Connection Lifetime, ConnectionLifeTime 0 When a connection is returned to the pool, its creation time is compared with the current time, and the connection is destroyed if that time span (i
使用服务端与本地的时间差进行计算 $(function(){ // 倒计时 var _ordertimer = null; var data =new Date(); var txt = $('.js_time_txt'); var buyTime = '2018/03/28 10:30:00'; //开抢时间 var nowTime = '2018/03/16 17:00:00'; //接口返回当前时间 var dateDiff = new Date(nowTime) - new Date(g
MySQL按时间统计每个小时记录数 方案1: ? 1 2 3 4 5 6 7 SELECT @rownum := @rownum + 1 AS ID, CONCAT((CASE WHEN t.hour = 24 THEN 0 ELSE t.hour END),':00:00') AS TIME, COUNT(*) AS COUNT FROM (SELECT id, HOUR(DATE_FORMAT(createtime,'%H:%i:%s'))+1 AS HOUR FROM b
ibatis返回map列表 1. resultClass="java.util.HashMap" <select id="queryCustmerCarNoByCustId" resultClass="java.util.HashMap" parameterClass="string"> select t.vehicle_no from NETS2_T_PC_VEHICLE t where t.nets_cus