[英]Using PHP and MySQL how do I populate one table using some field values from another table
[英]select all the values from one table and some values from another table and display them with php
我試圖從一個表中獲取所有值,並從另一表中獲取一些值,並使用php和html顯示它們。 這是我要修改的演示銷售點程序。
我要修改的部分是銷售報告頁面,最初我具有TRANSACTION ID
, DATE
, INVOICE NUMBER
, AMOUNT
和REMARKS
。 我想從另一個表中添加一些值(即銷售“ NAME”和“ QTY”)。
這是我所做的:
<?php
include('../connect.php');
$d1=$_GET['d1'];
$d2=$_GET['d2'];
$result = $db->prepare("SELECT sales.* , sales_order.name, sales_order.qty FROM sales,sales_order WHERE date BETWEEN :a AND :b");
$result->bindParam(':a', $d1);
$result->bindParam(':b', $d2);
$result->execute();
for($i=0; $row = $result->fetch(); $i++){
?>
<tr class="record">
<td>STI-000<?php echo $row['transaction_id']; ?></td>
<td><?php echo $row['date']; ?></td>
<td><?php echo $row['name']; ?></td>
<td><?php echo $row['invoice_number']; ?></td>
<tf><?php echo $row{'invoice_number'};?></td>
<td><?php
$dsdsd=$row['amount'];
echo formatMoney($dsdsd, true);
?></td>
<td><?php echo $row['type']; ?></td>
</tr>
<?php
}
?>
</tbody>
<thead>
<tr>
<th colspan="4" style="border-top:1px solid #999999"> Total </th>
<th colspan="2" style="border-top:1px solid #999999">
<?php
function formatMoney($number, $fractional=false) {
if ($fractional) {
$number = sprintf('%.2f', $number);
}
while (true) {
$replaced = preg_replace('/(-?\d+)(\d\d\d)/', '$1,$2', $number);
if ($replaced != $number) {
$number = $replaced;
} else {
break;
}
}
return $number;
}
$d1=$_GET['d1'];
$d2=$_GET['d2'];
$results = $db->prepare("SELECT sum(amount) FROM sales WHERE date BETWEEN :a AND :b");
$results->bindParam(':a', $d1);
$results->bindParam(':b', $d2);
$results->execute();
for($i=0; $rows = $results->fetch(); $i++){
$dsdsd=$rows['sum(amount)'];
echo formatMoney($dsdsd, true);
}
?>
</th>
</tr>
</thead>
</table>
假設鏈接表sales
和sales_order
的鍵是字段invoice_number
您必須使用INNER JOIN(或根據您的需要選擇LEFT JOIN)將兩個表連接起來,如下所示:
$result = $db->prepare("SELECT sales.* , sales_order.name, sales_order.qty FROM sales INNER JOIN sales_order ON sales.invoice_number = sales_order.invoice_number WHERE sales.date BETWEEN :a AND :b");
如果鏈接兩個表的鍵是其他鍵,則只需更新ON sales.invoice_number = sales_order.invoice_number
以匹配良好的列名
另外,在連接表時,請不要忘記在每個字段之前添加表名,因為如果在多個表中具有相同的字段名,則會給您一個錯誤,因為mysql不會知道必須在哪個表中從中獲取數據。
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