Question

我试图在矩阵表中创建一个新行，以获取每列中的总值预期产出：

 Day  | Jan | Feb | Mar | Apr | May | Jun | ... | Dec |
 1    | 3.0 | 0.0 | 0.0 | 0.0 | 5.0 | 1.0 | ... | 1.0 |
 2    | 6.0 | 0.0 | 0.0 | 0.0 | 6.0 | 1.0 | ... | 1.0 |
 3    | 3.0 | 0.0 | 0.0 | 4.0 | 0.0 | 0.0 | ... | 0.0 |
 4    | 4.0 | 1.0 | 0.0 | 3.0 | 0.0 | 0.0 | ... | 0.0 |
 5    | 3.0 | 1.0 | 0.0 | 2.0 | 0.0 | 1.0 | ... | 0.0 |
 6    | 0.0 | 0.0 | 1.0 | 1.0 | 0.0 | 1.0 | ... | 0.0 |
 7    | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 | ... | 2.0 |
 8    | 0.0 | 0.0 | 0.0 | 2.0 | 1.0 | 0.0 | ... | 1.0 |
 9    | 1.0 | 0.0 | 1.0 | 3.0 | 1.0 | 0.0 | ... | 0.0 |
 10   | 4.0 | 0.0 | 1.0 | 3.0 | 0.0 | 0.0 | ... | 1.0 |
...
 31   | 0.0 | 1.0 | 0.0 | 4.0 | 0.0 | 8.0 | ... | 0.0 |
Total |20.0 |12.0 |10.0 |11.0 |10.0 |30.0 | ... |10.0 |

以下是代码：

while($row = odbc_fetch_array($rs)){
$Station = $row['StationCode'];
$Year = $row['Year'];
$Day = $row['Day'];
$Month = $row['Month'];
$data[$Day][$Month] = $row['D_Rainfall'];
$montharray[] = $row['Month'];
}
<table class="table table bordered table-condensed">
<thead>         
    <tr>
    <th>Day</th>
$montharray = array_unique($montharray);
        foreach($montharray as $name){
echo '<th>' . $name . '</th>'; //Month
        }                   
        echo '</tr>';
        echo '</thead>';
        echo '<tbody>';           
        foreach($data as $day=>$rainfall){
            echo '<tr>';
            echo '<th>'. $day .'</th>'; //Days
                    foreach($montharray as $name){
                        $D_rainfall = isset($rainfall[$name]) ? $rainfall[$name] : '-';
                        echo '<td>' . $D_rainfall . '</td>'; //Rainfall value per day/month
                    }
            echo '</tr>';
            }
        echo '<tr>';
        echo '<th>Total</th>';
            echo '<td> Sum? </td>'; // What do I need to do here?
            }
        echo '</tr>';
        echo '</tbody>';
    echo '</table>';

我还需要找到每列中的平均值，但我想如果我发现如何做到这一点，我可以处理平均行。

Answer 1

您可以使用以下代码：

while($row = odbc_fetch_array($rs)){
$Station = $row['StationCode'];
$Year = $row['Year'];
$Day = $row['Day'];
$Month = $row['Month'];
$data[$Day][$Month] = $row['D_Rainfall'];
$montharray[] = $row['Month'];
$sumArray=  [];
}
<table class="table table bordered table-condensed">
<thead>         
    <tr>
    <th>Day</th>
$montharray = array_unique($montharray);
        foreach($montharray as $name){
            $sumArray[$name] = 0;
echo '<th>' . $name . '</th>'; //Month
        }                   
        echo '</tr>';
        echo '</thead>';
        echo '<tbody>';           
        foreach($data as $day=>$rainfall){
            echo '<tr>';
            echo '<th>'. $day .'</th>'; //Days

                    foreach($montharray as $name){
                        $sumArray[$name] += isset($rainfall[$name]) ? $rainfall[$name] : 0 

                        $D_rainfall = isset($rainfall[$name]) ? $rainfall[$name] : '-';
                        echo '<td>' . $D_rainfall . '</td>'; //Rainfall value per day/month
                    }
            echo '</tr>';
            }
        echo '<tr>';
        echo '<th>Total</th>';
        foreach($montharray as $name){

            echo '<td>'. $sumArray[$name].'</td>'; // What do I need to do here?
            }
        echo '</tr>';
        echo '</tbody>';
    echo '</table>';

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