我正在尝试检索数据并将其放入我的数据库中。$bid 、 $bid1 、 $bid2 、 bidpricepl 、 offerpricepl 已经定义。除了从 db 中检索到的所有行描述之外，还有一行，损益是一个变量。Foreach row ，这个变量的值被推低一个档次，意味着在placement 2中，值是placement 1。我附上了一张图片，以便你们理解。我的查询有什么问题？EG表
OrderNumber: 利润损失:
sadasdasd BLANK
sadasdasd 1
sadasdasd 2
sadasdasd 3
调用和显示查询
$query = "SELECT * FROM opentrades"; //You don't need a ; like you do in SQL
$result = mysql_query($query);
echo "<table border = '1px'>"; // start a table tag in the HTML
echo "<tr><td>" . "Order Number" . "</td><td>" . "Selection" . "</td><td>" . "Date" . "</td><td>" . "Type" . "</td><td>" . "Size" . "</td><td>" . "Bid Price" . "</td><td>" . "Offer Price" . "</td><td>" ."Stop Loss" . "</td><td>" . "Take Profit" . "</td><td>" ."Profit/Loss"."</td><td>" ."Close"."</td></tr>" ; //$row['index'] the index here is a field name
while($row = mysql_fetch_array($result,MYSQLI_BOTH)){ //Creates a loop to loop through results
echo "<tr><td>" . $row['trade_id'] . "</td><td>" . $row['selection'] . "</td><td>" . $row['date'] ."</td><td>" . $row['type'] ."</td><td>" . $row['size'] ."</td><td>" . $row['bidprice'] ."</td><td>" . $row['offerprice'] ."</td><td>" . $row['stoploss'] ."</td><td>" . $row['takeprofit'] ."</td><td>" . $bidpricepl . "</td><td><a href ='delete.php?id=".$row['trade_id']."'>X</a></td></tr>";
if ($row['selection']=='eur/usd')
{
$bidpricepl=$bid;
$offerpricepl=$bid1;
}
elseif ($row['selection']=='usd/jpy')
{
$bidpricepl=$bid2;
$offerpricepl=$bid3;
}
elseif ($row['selection']=='usd/cad')
{
$bidpricepl=$bid4;
$offerpricepl=$bid5;
}
elseif ($row['selection']=='eur/jpy')
{
$bidpricepl=$bid6;
$offerpricepl=$bid7;
}
elseif ($row['selection']=='eur/chf')
{
$bidpricepl=$bid8;
$offerpricepl=$bid9;
}
elseif ($row['selection']=='gbp/usd')
{
$bidpricepl=$bid10;
$offerpricepl=$bid11;
}
elseif ($row['selection']=='aud/usd')
{
$bidpricepl=$bid12;
$offerpricepl=$bid13;
}
elseif ($row['selection']=='usd/chf')
{
$bidpricepl=$bid14;
$offerpricepl=$bid15;
}
}
echo "</table><br>";