66 lines
2.4 KiB
PHP
66 lines
2.4 KiB
PHP
<?php
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include("../dbinfo2.php");
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// Check if database connection variables exist
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if (!isset($host) || !isset($username) || !isset($password) || !isset($database)) {
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die("Database configuration not found in dbinfo2.php");
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}
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$con = mysqli_connect($host, $username, $password, $database);
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// Check connection
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if (!$con) {
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die("Connection failed: " . mysqli_connect_error());
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}
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// Get parameters from the form
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$queryType = isset($_POST['query_type']) ? $_POST['query_type'] : 'sum';
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$reductionValue = isset($_POST['val']) ? floatval($_POST['val']) : 100;
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// Use the same SQL logic as the main page
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$setSql = "(SELECT DATE_FORMAT(`TIMESTAMP`,'%h:%i:%s') AS timeonly,
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DATE_FORMAT(TIMESTAMP, '%Y-%m-%d') AS dateonly,
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AVG(BLR1TOTSF) * 24 * 1000 * (" . $reductionValue . " / 100) as BOILER1,
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AVG(BLR2TOTSF) * 24 * 1000 * (" . $reductionValue . " / 100) as BOILER2,
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AVG(BLR3TOTSF) * 24 * 1000 * (" . $reductionValue . " / 100) as BOILER3,
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AVG(BLR4TOTSF) * 24 * 1000 * (" . $reductionValue . " / 100) as BOILER4,
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AVG(BLR5TOTSF) * 24 * 1000 * (" . $reductionValue . " / 100) as BOILER5,
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AVG(BLR6TOTSF) * 24 * 1000 * (" . $reductionValue . " / 100) as BOILER6,
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AVG(BLR7TOTSF) * 24 * 1000 * (" . $reductionValue . " / 100) as BOILER7,
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AVG(BLR8TOTSF) * 24 * 1000 * (" . $reductionValue . " / 100) as BOILER8
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FROM boilerstm24hravg
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WHERE TIME(`TIMESTAMP`) BETWEEN '07:00:00' AND '23:59:59'
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GROUP BY DAY(`TIMESTAMP`)
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ORDER BY id ASC)";
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$result = mysqli_query($con, $setSql);
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// Check query execution
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if (!$result) {
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die("Query failed: " . mysqli_error($con));
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}
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// Column headers
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$columnHeader = "Time\tDate\tBoiler 1\tBoiler 2\tBoiler 3\tBoiler 4\tBoiler 5\tBoiler 6\tBoiler 7\tBoiler 8\n";
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$setData = '';
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while ($rec = mysqli_fetch_row($result)) {
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$rowData = '';
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foreach ($rec as $value) {
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$rowData .= '"' . $value . '"' . "\t";
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}
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$setData .= trim($rowData) . "\n";
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}
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// Close database connection
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mysqli_close($con);
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// Set headers for Excel download
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header("Content-Type: application/vnd.ms-excel");
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header("Content-Disposition: attachment; filename=Boiler_Steam_YTD_Total.xls");
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header("Pragma: no-cache");
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header("Expires: 0");
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echo $columnHeader . $setData;
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?>
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