【发布时间】:2025-12-10 00:25:01
【问题描述】:
我正在使用 soket.io 并表示我正在连接到数据库。我想要实现的只是找到所有列中总和最低的列。我让它在 PHP 中工作,但我无法在 node.js 中得到正确。下面是我的代码。
socket.on('getwinno'){
db.query("SELECT SUM(bet1),SUM(bet2), SUM(bet3),SUM(bet4),SUM(bet5), SUM(bet6), SUM(bet7),SUM(bet8), SUM(bet9), SUM(bet0) FROM gamedata WHERE gmeid = ? ",newGameid,function(err, result, fields){
var bet1 = result['SUM(bet1)'];
var bet2 = result['SUM(bet2)'];
var bet3 = result['SUM(bet3)'];
var bet4 = result['SUM(bet4)'];
var bet5 = result['SUM(bet5)'];
var bet6 = result['SUM(bet6)'];
var bet7 = result['SUM(bet7)'];
var bet8 = result['SUM(bet8)'];
var bet9 = result['SUM(bet9)'];
var bet0 = result['SUM(bet0)'];
var mini = Math.min(bet1,bet2,bet3,bet4,bet5,bet6,bet7,bet8,bet9,bet0);
console.log(mini);
for(var i=0;i<10;i++) {
if( i==mini) {
console.log(i);
}
});
}
【问题讨论】:
-
这种问题是设计不佳的症状。修复您的架构
标签: mysql node.js database express socket.io