[英]How do I return multiple results from a SQL Server Stored Procedure with PHP prepared statements?
[英]How do I return multiple results from my Stored Procedure function if it returns only one result?
我現在有一個使用 SQL Server 2017 的應用程序。當我在 SSMS 上執行存儲過程時,它會顯示所有數據。 但是,在 PHP 上,當我執行它時,它只顯示出現的第一個數據。
這是命令:
EXEC dbo.SP_Get_Books_Archive;
我使用的存儲過程:
CREATE PROCEDURE SP_Get_Books_Archive
AS
BEGIN
SELECT
Book_ISBN as ISBN,
Book_Name, Book_Author,
Category_Name,
Book_Status,
Book_Copies_Current,
Book_Copies_Actual
FROM Book
LEFT JOIN Book_Category ON (Book.Book_Category_ID = Book_Category.Category_ID)
END
PHP 我正在使用的代碼:
<?php
$connection = sqlsrv_connect($server, $connectionInfo);
$query = "EXEC SP_Get_Books_Archive";
$statement = sqlsrv_prepare($connection, $query);
$result = sqlsrv_execute($statement);
$row = sqlsrv_fetch_array($statement);
$rowCount = 1;
var_dump($row);
if (count($row) > 0) {
foreach ($row as $key => $value) {
if ($key == 'ISBN') {
echo "<tr>";
echo "<td>" . $value . "</td>";
} else if ($key == 'Book_Name') {
echo "<td>" . $value . "</td>";
} else if ($key == 'Book_Author') {
echo "<td>" . $value . "</td>";
} else if ($key == 'Category_Name') {
echo "<td>" . $value . "</td>";
} else if ($key == 'Book_Status') {
echo "<td>" . $value . "</td>";
} else if ($key == 'Book_Copies_Current') {
echo "<td>" . $value . "</td>";
} else if ($key == 'Book_Copies_Actual') {
echo "<td>" . $value . "</td>";
}
if ($rowCount == count($row)) {
echo "</tr>";
}
$rowCount++;
}
}
(注意:這包含在
<?php include(get_books.php)?>
位於另一個 php 文件中的代碼中。嘗試不將其分開但無濟於事)
我還嘗試在$query
上執行完整的SELECT...
腳本,但結果相同。 我的 PHP 代碼有問題還是我錯過了 SQL 服務器錯誤?
這與這篇文章有些相似,但我認為答案不是我的問題。
您需要獲取所有數據:
while ($row = sqlsrv_fetch_array($statement, SQLSRV_FETCH_ASSOC)) {
...
}
作為附加說明,您需要檢查每個sqlsrv_
調用的結果。 一個示例,基於您的代碼:
<?php
// Connection
$connection = sqlsrv_connect($server, $connectionInfo);
if ($connection === false ) {
echo "Error (sqlsrv_connect): ".print_r(sqlsrv_errors(), true);
exit;
}
// Statement
$query = "EXEC SP_Get_Books_Archive";
$statement = sqlsrv_prepare($connection, $query);
if ($statement === false) {
echo "Error (sqlsrv_prepare): ".print_r(sqlsrv_errors(), true);
exit;
}
// Execution
$result = sqlsrv_execute($statement);
if ($result === false) {
echo "Error (sqlsrv_execute): ".print_r(sqlsrv_errors(), true);
exit;
}
// Fetch data
$rowCount = 0;
while ($row = sqlsrv_fetch_array($statement, SQLSRV_FETCH_ASSOC)) {
$rowCount++;
echo "<tr>";
foreach ($row as $key => $value) {
if ($key == 'ISBN') {
echo "<td>" . $value . "</td>";
} else if ($key == 'Book_Name') {
echo "<td>" . $value . "</td>";
} else if ($key == 'Book_Author') {
echo "<td>" . $value . "</td>";
} else if ($key == 'Category_Name') {
echo "<td>" . $value . "</td>";
} else if ($key == 'Book_Status') {
echo "<td>" . $value . "</td>";
} else if ($key == 'Book_Copies_Current') {
echo "<td>" . $value . "</td>";
} else if ($key == 'Book_Copies_Actual') {
echo "<td>" . $value . "</td>";
}
}
echo "</tr>";
}
// End
sqlsrv_free_stmt($statement);
sqlsrv_close($connection);
?>
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