数组求和（求助）
表 test 有字段 CODE 和 MONEY,如何按照code将money求和
------解决方案--------------------
$sql= "select code, sum(money) as money from test group by code";
这只是sql语句。你都没有执行查询，想输出什么呢？
------解决方案--------------------
select code ,sum(money) from test group by code having code='$cc'
How to set both ends to be aligned in css
telnet command
How to configure maven in idea
How to solve dns_probe_possible
What are the formal digital currency trading platforms?
What does it mean when a message has been sent but rejected by the other party?
How to implement jsp paging function
Registration domain name query tool
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
