以下脚本会生成包含所需数据的 txt 文件,但它会在文本文件中生成两次数据。
mysql_connect($hostname_MySQLCon, $username_MySQLCon, "") or die(mysql_error());
mysql_select_db($database_MySQLCon) or die(mysql_error());
$data = mysql_query("
SELECT sales_flat_order.increment_id, sales_flat_order.gift_message_id, sales_flat_order.status, gift_message.gift_message_id, gift_message.message
FROM sales_flat_order
JOIN gift_message ON sales_flat_order.gift_message_id = gift_message.gift_message_id
WHERE sales_flat_order.gift_message_id IS NOT NULL
GROUP BY sales_flat_order.increment_id
/* AND sales_flat_order.status = 'pending' */;")
or die(mysql_error());
while($result = mysql_fetch_array( $data ))
{
$dataRow[] = implode("|", $result);
}
$theFile = 'orders-meta.txt';
if (!$handle = fopen($theFile, 'a')) {
exit;}
if (fwrite($handle, implode("\r\n", $dataRow)) === FALSE) {
echo "Cannot write to file ($theFile)";
exit;}
echo "Success, the file was written.";
fclose($handle);
txt 文件中的示例输出:
100000001|100000001|1121|1121|pending|pending|1121|gift message|gift message
100000002|100000002|1123|1123|pending|pending|1123|Gift message|Gift message
为什么它会产生每个值两次?以及如何更改它以使输出为:
100000001|1121|pending|1121|gift message
100000002|1123|pending|1123|Gift message
非常感谢任何帮助。
谢谢