[英]Multiple MySQL/PHP Queries on one page, not playing fair!
我有以下MySQL查询:
<div class="box" id="settlement1">
<?
$query = "SELECT name, pub, hospital, trade FROM settlements WHERE settlementID = 1";
$result = mysql_query($query);
while($row = mysql_fetch_array($result, MYSQL_ASSOC)) {
$settlementName = $row['name'];
$pubExists = $row['pub'];
$hospitalExists = $row['hospital'];
$tradeExists = $row['trade'];
}
?>
<div class="settlement-name"><? echo $settlementName; ?></div>
<div class="settlement-contents">
<?
if ($hospitalExists == '1') { echo "<div class='hospital'>HOSPITAL</div>"; }
if ($pubExists == '1') { echo "<div class='pub'>PUB</div>"; }
if ($tradeExists == '1') { echo "<div class='trade'>TRADE</div>"; }
?>
</div>
</div>
<div class="box" id="settlement2">
<?
$query = "SELECT name, shop, hospital, trade FROM settlements WHERE settlementID = 2";
$result = mysql_query($query);
while($row = mysql_fetch_array($result, MYSQL_ASSOC)) {
$settlementName = $row['name'];
$pubExists = $row['pub'];
$hospitalExists = $row['hospital'];
$tradeExists = $row['trade'];
}
?>
<div class="settlement-name"><? echo $settlementName; ?></div>
<div class="settlement-contents">
<?
if ($hospitalExists == '1') { echo "<div class='hospital'>HOSPITAL</div>"; }
if ($pubExists == '1') { echo "<div class='pub'>PUB</div>"; }
if ($tradeExists == '1') { echo "<div class='trade'>TRADE</div>"; }
?>
</div>
</div>
现在,第一个查询工作正常,但是第二个查询返回与第一个相同的结果。
查询1和查询2中的所有字段都不相同
^ _ ^ <(帮助!)
我不确定这是否是原因,但是...
第一个SQL:
$query = "SELECT name, pub, hospital, trade FROM settlements WHERE settlementID = 1";
第二:
$query = "SELECT name, shop, hospital, trade FROM settlements WHERE settlementID = 2";
第一个是酒吧,第二个是商店。 但在第二种情况下,您不要在PHP中使用shop值,而只能使用pub(不在此SQL字段中)。
您可能在这里有SQL错误(数据库中没有字段)或PHP错误(检查结果数组中不存在的字段)。
可能是您进一步向下使用变量$ query或$ result导致输出第一个$ query的结果还是再次执行相同的查询?
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