SELECT COUNT(DISTINCT userid) AS tnum,DATE_FORMAT(created,'%Y-%m-%d') AS cday FROM pt_user_chat_log WHERE robot_id = 6 AND (created BETWEEN '2018-04-01' AND '2018-05-01')GROUP BY DAY(created),MONTH(c...
初始化部分
System.out.println("基础初始化部分开始");
Mongo m = new Mongo("localhost", 27017);
// 选择数据库，如果没有这个数据库的话，会自动建立
DB db = m.getDB("ms_basic");
// 建立一个集合，和数据库一样，如果没有，会自动建立...
? Conditional Operators
<, <=, >, >=,$ne,$in,$nin, $mod
$gt:greater than >
$lt:less than <
$gte:greater than or equal to >=
$lte:less than or ...
