php中变量的使用问题
从数据库中获得了各区的销售金额和销售数量,要对数量和金额求和。代码如下:
ob_start();
require_once 'DB.php';
ob_end_clean();
$db=DB::Connect();
$result=$db->QueryLastMonth();
$result1=$db->QueryLastMonthByArea();
$all_sales_amount;
$all_sales_money;
echo 'begin '.$all_sales_amount;
while($row1= sybase_fetch_assoc($result1))
{
?>
switch($row1["areacode"]){ case "E": echo "华东区"; break; case "C": echo "东北区"; break; case "N": echo "华北区"; break; case "W": echo "西大区(W)"; break; case "H": echo "华中区"; break; case "S": echo "华南区"; break; case "F": echo "华东区(经销)"; break; case "T": echo "西大区(T)"; break; } ?> |
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$all_sales_amount+=$row1["area_salesgoodssum"];
$all_sales_money+=$row1["area_salesmoney"];
echo '循环中数量'.$all_sales_amount."金额".$all_sales_money."
";
}
?>