php數組處理
$sql = "SELECT b.lotno as lotno,count(b.lotno) as count FROM `kw_manage` as a inner join `vp_barcode_2d_y` as b on a.packageno = b.packageno where a.cust_no = '".$newstr."' group by lotno order by lotno asc";
$result = mysql_query($sql);
while($var = mysql_fetch_array($result,MYSQL_ASSOC))
{
echo $var['lotno'].' * '.($var['count']).'
';
}
得到結果:
3206 * 12
3207 * 63
3218 * 180
能不能做到以下處理結果?當count對應的數量之和為100時,顯示
3206 * 12
3207 * 63
3218 * 25
總和100之外的資料顯示
3218 * 155
分享到:
------解決方案--------------------
$num = 0;
while($var = mysql_fetch_array($result,MYSQL_ASSOC))
{
if($num + $var['count'] <= 100) {
echo $var['lotno'].' * '.($var['count']).'
';
$num = $num + $var['count'];
}else {
echo $var['lotno'].' * '.(100 - $num).'
';
$num = $num + $var['count'] - 100;
echo $var['lotno'].' * '. $num .'
';
}
}
------解決方案--------------------
你先把計算出的資料緩衝到數組,然後再從數組輸出