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步驟 3:使用 PHP 連線到 SQL 的概念證明

下載 PHP 驅動程式

步驟 1:連線

這個 OpenConnection 函式會在所有後續函式的頂端附近呼叫。

    function OpenConnection()
    {
        $serverName = "tcp:myserver.database.windows.net,1433";
        $connectionOptions = array("Database"=>"AdventureWorks",
            "Uid"=>"MyUser", "PWD"=>"MyPassword");
        $conn = sqlsrv_connect($serverName, $connectionOptions);
        if($conn == false)
            die(FormatErrors(sqlsrv_errors()));

        return $conn;
    }

步驟 2:執行查詢

sqlsrv_query() 函式可用來擷取對 SQL Database 執行之查詢的結果集。 這個函式基本上會接受任何查詢和連線物件並傳回結果集,其可以使用 sqlsrv_fetch_array() \(英文\) 來反覆查詢。

    function ReadData()
    {
        try
        {
            $conn = OpenConnection();
            $tsql = "SELECT [CompanyName] FROM SalesLT.Customer";
            $getProducts = sqlsrv_query($conn, $tsql);
            if ($getProducts == FALSE)
                die(FormatErrors(sqlsrv_errors()));
            $productCount = 0;
            while($row = sqlsrv_fetch_array($getProducts, SQLSRV_FETCH_ASSOC))
            {
                echo($row['CompanyName']);
                echo("<br/>");
                $productCount++;
            }
            sqlsrv_free_stmt($getProducts);
            sqlsrv_close($conn);
        }
        catch(Exception $e)
        {
            echo("Error!");
        }
    }

步驟 3:插入資料列

在此範例中,您將了解如何安全地執行 INSERT 陳述式,並傳遞參數。 參數值可協助您的應用程式防禦 SQL 插入

    function InsertData()
    {
        try
        {
            $conn = OpenConnection();

            $tsql = "INSERT SalesLT.Product (Name, ProductNumber, StandardCost, ListPrice, SellStartDate) OUTPUT"
                    . " INSERTED.ProductID VALUES ('SQL Server 1', 'SQL Server 2', 0, 0, getdate())";
            //Insert query
            $insertReview = sqlsrv_query($conn, $tsql);
            if($insertReview == FALSE)
                die(FormatErrors( sqlsrv_errors()));
            echo "Product Key inserted is :";
            while($row = sqlsrv_fetch_array($insertReview, SQLSRV_FETCH_ASSOC))
            {
                echo($row['ProductID']);
            }
            sqlsrv_free_stmt($insertReview);
            sqlsrv_close($conn);
        }
        catch(Exception $e)
        {
            echo("Error!");
        }
    }

步驟 4:復原交易

這個程式碼範例示範如何使用交易,您將:

  • 開始交易

  • 插入一列資料,更新另一列資料

  • 確認您的交易中插入與更新是否成功,如果其中一個未成功,就復原交易

    function Transactions()
    {
        try
        {
            $conn = OpenConnection();

            if (sqlsrv_begin_transaction($conn) == FALSE)
                die(FormatErrors(sqlsrv_errors()));

            $tsql1 = "INSERT INTO SalesLT.SalesOrderDetail (SalesOrderID,OrderQty,ProductID,UnitPrice)
            VALUES (71774, 22, 709, 33)";
            $stmt1 = sqlsrv_query($conn, $tsql1);

            /* Set up and execute the second query. */
            $tsql2 = "UPDATE SalesLT.SalesOrderDetail SET OrderQty = (OrderQty + 1) WHERE ProductID = 709";
            $stmt2 = sqlsrv_query( $conn, $tsql2);

            /* If both queries were successful, commit the transaction. */
            /* Otherwise, rollback the transaction. */
            if($stmt1 && $stmt2)
            {
                   sqlsrv_commit($conn);
                   echo("Transaction was commited");
            }
            else
            {
                sqlsrv_rollback($conn);
                echo "Transaction was rolled back.\n";
            }
            /* Free statement and connection resources. */
            sqlsrv_free_stmt( $stmt1);
            sqlsrv_free_stmt( $stmt2);
        }
        catch(Exception $e)
        {
            echo("Error!");
        }
    }

更多範例

範例應用程式 (SQLSRV 驅動程式)
範例應用程式 (PDO_SQLSRV 驅動程式)