来自PHP的Exec SQL Server存储过程
我试图从PHP调用SQL Server存储过程 以下是我的存储过程:来自PHP的Exec SQL Server存储过程,php,sql-server,stored-procedures,sqlsrv,Php,Sql Server,Stored Procedures,Sqlsrv,我试图从PHP调用SQL Server存储过程 以下是我的存储过程: CREATE procedure [dbo].[tester] @id NVARCHAR(MAX) AS BEGIN DECLARE @tab TABLE (myxml XML) INSERT INTO @tab(myxml) SELECT map FROM forms WHERE mapid = @id SELECT * FROM @ta
CREATE procedure [dbo].[tester]
@id NVARCHAR(MAX)
AS
BEGIN
DECLARE @tab TABLE (myxml XML)
INSERT INTO @tab(myxml)
SELECT map
FROM forms
WHERE mapid = @id
SELECT * FROM @tab
END
还有我的PHP脚本:
<?php
$serverName = "servername";
$connectionInfo = array("UID" => "sa","PWD" => "mypass","Database" => "database");
$conn = sqlsrv_connect( $serverName, $connectionInfo);
if ($conn) {
$tsql = "exec tester 'FORMgRGVL7bfpEnpBpg7vz2sHoKAs5zxU5LW'";
$result = sqlsrv_query($conn, $tsql);
if ($result === false) {
die( print_r( sqlsrv_errors(), true) );
$response=array('response'=>'notok','data'=>'loyo');
$serverresponse=JSON_encode($response);
} else {
$row = sqlsrv_fetch_array( $result, SQLSRV_FETCH_NUMERIC);
$response=array('response'=>'ok','data'=>$row[0]);
$serverresponse=JSON_encode($response);
}
sqlsrv_free_stmt($stmt);
} else {
$response=array('response'=>'notok','flag'=>$flag,'data'=>'cc');
$serverresponse = $serverresponse=JSON_encode($response);
}
echo ($serverresponse);
?>
解释:
您需要将SET NOCOUNT放在
上作为存储过程的第一行,以防止返回受T-SQL语句影响的行数作为结果集的一部分。这就是您的NULL
结果的原因
请注意,始终使用准备好的语句和参数化查询来防止SQL注入。使用用于SQL Server的PHP驱动程序,函数sqlsrv_query()
同时执行语句准备和语句执行,并可用于执行参数化查询
示例:
脚本中存在错误,在示例中已修复:
sqlsrv\u free\u stmt($stmt)
更改为sqlsrv\u free\u stmt($result)
- 未定义变量
$flag
$serverresponse=$serverresponse=JSON\u encode($response)
更改为$serverresponse=JSON\u encode($response)
T-SQL:
CREATE procedure [dbo].[tester]
@id nvarchar(max)
as
begin
SET NOCOUNT ON
declare @tab table (myxml xml)
insert into @tab(myxml)
select map from forms where mapid=@id
select * from @tab
end
PHP:
为什么使用sqlsrv\u查询?这应该是sqlsrv\u execute
我的问题的可能重复之处是,即使执行成功,服务器返回的值也始终为空
<?php
$flag = "";
$serverName = "servername";
$connectionInfo = array("UID" => "sa", "PWD" => "mypass", "Database" => "database");
$conn = sqlsrv_connect( $serverName, $connectionInfo);
if ($conn) {
$tsql = "exec tester ?";
$params = array('FORMgRGVL7bfpEnpBpg7vz2sHoKAs5zxU5LW');
$result = sqlsrv_query($conn, $tsql, $params);
if ($result === false) {
die( print_r( sqlsrv_errors(), true) );
$response = array('response'=>'notok', 'data'=>'loyo');
$serverresponse = json_encode($response);
} else {
$row = sqlsrv_fetch_array( $result, SQLSRV_FETCH_NUMERIC);
$response = array('response'=>'ok', 'data'=>$row[0]);
$serverresponse = json_encode($response);
}
sqlsrv_free_stmt($result);
} else {
$response = array('response'=>'notok', 'flag'=>$flag, 'data'=>'cc');
$serverresponse = json_encode($response);
}
echo ($serverresponse);
?>