我只想问一个问题。如何将 php 变量插入数据库。
我要插入的 2 个变量是 $profitText 和 $closeb。我尝试了两种方法,但都无济于事。请赐教!!
$mysqli-> query(
"UPDATE trade_history1 set close='{$closedb}'
WHERE `trade_id` = " . $trade_id);
$mysqli->query(
"UPDATE trade_history1 set profitandloss='" . addslashes($profittext) . "'
WHERE `trade_id` = '" . addslashes($trade_id) . "'");
///////
$mysqli->query(
"INSERT INTO `trade_history1` (
user_id, trade_id, selection, date, type, size, bidprice,
offerprice, stoploss, takeprofit,dateclose,close,profitandloss)
SELECT user_id, trade_id, selection, date, type, size, bidprice,
offerprice, stoploss, takeprofit, 'null','null','null'
FROM `opentrades`
WHERE `trade_id` = " . $trade_id);
$mysqli->query("UPDATE trade_history1
set dateclose=CURRENT_TIMESTAMP WHERE `trade_id` = " . $trade_id);
$mysqli->query("UPDATE trade_history1
set close='{$closedb}' WHERE `trade_id` = " . $trade_id);
$mysqli->query("UPDATE trade_history1
set profitandloss='" . addslashes($profittext) . "'
WHERE `trade_id` = '" . addslashes($trade_id) . "'");
$mysqli->query("DELETE FROM `opentrades` WHERE `trade_id` = " . $trade_id);