,最簡單的是做這將是剛在PHP運行總和,演出了對於每一日期,以及: -
<?php
$query=("SELECT hours, credits, entryDate FROM entry WHERE uid='1' ORDER BY entryDate");
$result = mysql_query($query);
while($row = mysql_fetch_assoc($result))
{
$runningtotalcredits += $row['credits'];
$runningtotalhours += $row['hours'];
$credits[] = array (strtotime ($row['entryDate'])*1000,$row['credits']);
$creditssofar[] = array (strtotime ($row['entryDate'])*1000,$runningtotalcredits);
$hours[] = array (strtotime ($row['entryDate'])*1000,$row['hours']);
$hourssofar[] = array (strtotime ($row['entryDate'])*1000,$runningtotalhours);
} ?>
</script>
var credits = <?php echo json_encode($credits);?>
var hours = <?php echo json_encode($hours);?>
var creditssofar = <?php echo json_encode($creditssofar);?>
var hourssofar = <?php echo json_encode($hourssofar);?>
它也應該能夠做到這一點的SQL使用相關子查詢,但效率可能不會很大: -
<?php
$query=("SELECT hours,
credits,
entryDate,
(SELECT SUM(hours) AS hourssofar FROM entry b WHERE uid='1' AND b.entryDate <= a.entryDate),
(SELECT SUM(credits) AS creditssofar FROM entry c WHERE uid='1' AND c.entryDate <= a.entryDate)
FROM entry a
WHERE uid='1'
ORDER BY entryDate");
$result = mysql_query($query);
while($row = mysql_fetch_assoc($result))
{
$credits[] = array (strtotime ($row['entryDate'])*1000,$row['credits']);
$creditssofar[] = array (strtotime ($row['entryDate'])*1000,$row['creditssofar']);
$hours[] = array (strtotime ($row['entryDate'])*1000,$row['hours']);
$hourssofar[] = array (strtotime ($row['entryDate'])*1000,$row['hourssofar']);
} ?>
</script>
var credits = <?php echo json_encode($credits);?>
var hours = <?php echo json_encode($hours);?>
var creditssofar = <?php echo json_encode($creditssofar);?>
var hourssofar = <?php echo json_encode($hourssofar);?>
(沒有測試)
你是什麼意思的「總爲電子商務做ach專欄'?如果你使用SUM,你將得到一個結果(總和),並且很難有任何圖表。 – Krzysztof
_Running_總爲每列,不知道這是否可以幫助,但是這是我想要做的事 - 信用小時日期 C1 H1 D1 C2 H2 D2 給兩個圖: GRAPH 1 [X1 = C1 Y1 = d1] [x2 = c1 + c2 y2 = d2] GRAPH 2 [x1 = h1 y1 = d1] [x2 = h1 + h2 y2 = d2] – Zeb99