[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?
我现在有一个使用 SQL Server 2017 的应用程序。当我在 SSMS 上执行存储过程时,它会显示所有数据。 但是,在 PHP 上,当我执行它时,它只显示出现的第一个数据。
这是命令:
EXEC dbo.SP_Get_Books_Archive;
我使用的存储过程:
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 我正在使用的代码:
<?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>";
}
$rowCount++;
}
}
(注意:这包含在
<?php include(get_books.php)?>
位于另一个 php 文件中的代码中。尝试不将其分开但无济于事)
我还尝试在$query
上执行完整的SELECT...
脚本,但结果相同。 我的 PHP 代码有问题还是我错过了 SQL 服务器错误?
这与这篇文章有些相似,但我认为答案不是我的问题。
您需要获取所有数据:
while ($row = sqlsrv_fetch_array($statement, SQLSRV_FETCH_ASSOC)) {
...
}
作为附加说明,您需要检查每个sqlsrv_
调用的结果。 一个示例,基于您的代码:
<?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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