範例應用程式 (PDO_SQLSRV 驅動程式)

下載 PHP 驅動程式

AdventureWorks Product Reviews 範例應用程式是一種 Web 應用程式，其使用 Microsoft Drivers for PHP for SQL Server 的 PDO_SQLSRV 驅動程式。 此應用程式可讓使用者經由輸入關鍵字來搜尋產品、查看所選產品的評論、撰寫所選產品的評論，以及上傳所選產品的影像。

執行範例應用程式

  1. 安裝 Microsoft Drivers for PHP for SQL Server。 如需詳細資訊，請參閱Microsoft SQL Server 的 PHP 驅動程序入門
  2. 將本文件稍後所列的程式碼複製到兩個檔案中：adventureworks_demo.php 和 photo.php。
  3. 將 adventureworks_demo.php 和 photo.php 檔案放入您的 Web 伺服器的根目錄中。
  4. 從您的瀏覽器啟動 https://localhost/adventureworks_demo.php 來執行應用程式。

先決條件

在執行此範例前，請先確認以下事項：

  1. 安裝 Microsoft Drivers for PHP for SQL Server。 如需詳細資訊，請參閱 Microsoft Drivers for PHP for SQL Server 的系統需求。
  2. 確認你的 php.ini 檔案中已載入 PDO_SQLSRV 擴充功能。 執行 php -m | grep pdo_sqlsrv 以確認。
  3. SQL Server 已安裝並設定為接受 TCP/IP 連線。 SQL Server Express 預設是停用 TCP/IP。
  4. AdventureWorks 範例資料庫會綁定在您的 SQL Server 實例中。
  5. 網頁伺服器（如 IIS 或 Apache）會被設定為提供 PHP 檔案。
  6. 安裝了網頁瀏覽器。

小提示

如果 PDO 連接失效，請檢查以下常見原因：

  • 「找不到驅動程式」： pdo_sqlsrv 擴充功能未載入。 請在 extension=php_pdo_sqlsrv_*.dll（Windows）或 extension=pdo_sqlsrv.so（Linux/macOS）中驗證你的 php.ini.
  • 「連線被拒絕」：SQL Server 未在 TCP/IP 上監聽。 在 SQL Server 組態管理員中啟用 TCP/IP，並重新啟動 SQL Server 服務。
  • 「登入失敗」：請驗證連線憑證。 範例預設使用 Windows 認證。 對於 SQL 認證，將使用者名稱和密碼傳給 PDO 建構子。

AdventureWorks 範例

AdventureWorks Product Reviews 範例應用程式會示範下列工作：

  • 如何使用 Windows 驗證開啟 SQL Server 連接。
  • 如何準備及執行參數化查詢。
  • 如何擷取資料。
  • 如何檢查錯誤。

此範例會針對其名稱包含使用者輸入字串的產品，從資料庫傳回產品資訊。 在傳回的產品清單中，使用者可以查看評論、查看影像、上傳影像，以及撰寫所選產品的評論。

將下列程式碼放入名為 adventureworks_demo_pdo.php 的檔案中：

<!--=============  
This file is part of a Microsoft SQL Server Shared Source Application.  
Copyright (C) Microsoft Corporation.  All rights reserved.  
  
THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY  
KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE  
IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A  
PARTICULAR PURPOSE.  
============= *-->  
  
<!--Note: The presentation formatting of this example application -->  
<!-- is intentionally simple to emphasize the SQL Server -->  
<!-- data access code.-->  
<html>  
<head>  
<title>AdventureWorks Product Reviews</title>  
</head>  
<body>  
<h1 align='center'>AdventureWorks Product Reviews</h1>  
<h5 align='center'>This application is a demonstration of the   
                   object oriented API (PDO_SQLSRV driver) for the   
                   Microsoft Drivers for PHP for SQL Server.</h5><br/>  
<?php  
$serverName = "(local)\sqlexpress";  
  
/* Connect using Windows Authentication. */  
try  
{  
$conn = new PDO( "sqlsrv:server=$serverName ; Database=AdventureWorks", "", "");  
$conn->setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION );  
}  
catch(Exception $e)  
{   
die( print_r( $e->getMessage() ) );   
}  
  
if(isset($_REQUEST['action']))  
{  
switch( $_REQUEST['action'] )  
{  
/* Get AdventureWorks products by querying against the product name.*/  
case 'getproducts':  
try  
{  
$params = array($_POST['query']);  
$tsql = "SELECT ProductID, Name, Color, Size, ListPrice   
 FROM Production.Product   
 WHERE Name LIKE '%' + ? + '%' AND ListPrice > 0.0";  
  
$getProducts = $conn->prepare($tsql);  
$getProducts->execute($params);  
$products = $getProducts->fetchAll(PDO::FETCH_ASSOC);  
$productCount = count($products);  
if($productCount > 0)  
{  
BeginProductsTable($productCount);  
foreach( $products as $row )  
{  
PopulateProductsTable( $row );  
}  
EndProductsTable();  
}  
else  
{  
DisplayNoProductsMsg();  
}  
}  
catch(Exception $e)  
{   
die( print_r( $e->getMessage() ) );   
}  
GetSearchTerms( !null );  
break;  
  
/* Get reviews for a specified productID. */  
case 'getreview':  
GetPicture( $_GET['productid'] );  
GetReviews( $conn, $_GET['productid'] );  
break;  
  
/* Write a review for a specified productID. */  
case 'writereview':  
DisplayWriteReviewForm( $_POST['productid'] );  
break;  
  
/* Submit a review to the database. */  
case 'submitreview':  
try  
{  
$tsql = "INSERT INTO Production.ProductReview (ProductID,   
   ReviewerName,   
   ReviewDate,   
   EmailAddress,   
   Rating,   
   Comments)   
        VALUES (?,?,?,?,?,?)";  
$params = array(&$_POST['productid'],   
&$_POST['name'],   
date("Y-m-d"),   
&$_POST['email'],   
&$_POST['rating'],   
&$_POST['comments']);  
$insertReview = $conn->prepare($tsql);  
$insertReview->execute($params);  
}  
catch(Exception $e)  
{   
die( print_r( $e->getMessage() ) );   
}  
GetSearchTerms( true );  
GetReviews( $conn, $_POST['productid'] );  
break;  
  
/* Display form for uploading a picture.*/  
case 'displayuploadpictureform':  
try  
{  
$tsql = "SELECT Name FROM Production.Product WHERE ProductID = ?";  
$getName = $conn->prepare($tsql);  
$getName->execute(array($_GET['productid']));  
$name = $getName->fetchColumn(0);  
}  
catch(Exception $e)  
{   
die( print_r( $e->getMessage() ) );   
}  
DisplayUploadPictureForm( $_GET['productid'], $name );  
break;  
  
/* Upload a new picture for the selected product. */  
case 'uploadpicture':           
try  
{  
$tsql = "INSERT INTO Production.ProductPhoto (LargePhoto)   
 VALUES (?)";  
$uploadPic = $conn->prepare($tsql);  
$fileStream = fopen($_FILES['file']['tmp_name'], "r");  
$uploadPic->bindParam(1,    
  $fileStream,   
  PDO::PARAM_LOB,   
  0,   
  PDO::SQLSRV_ENCODING_BINARY);  
$uploadPic->execute();  
  
/* Get the first field - the identity from INSERT -   
   so we can associate it with the product ID. */  
$photoID = $conn->lastInsertId();  
$tsql = "UPDATE Production.ProductProductPhoto   
 SET ProductPhotoID = ?   
 WHERE ProductID = ?";  
$associateIds = $conn->prepare($tsql);  
$associateIds->execute(array($photoID, $_POST['productid']));  
}  
catch(Exception $e)  
{  
die(print_r($e->getMessage()));  
}  
  
GetPicture( $_POST['productid']);  
DisplayWriteReviewButton( $_POST['productid'] );  
GetSearchTerms (!null);  
break;  
}//End Switch  
}  
else  
{  
    GetSearchTerms( !null );  
}  
  
function GetPicture( $productID )  
{  
    echo "<table align='center'><tr align='center'><td>";  
    echo "<img src='photo_pdo.php?productId=".$productID."'   
      height='150' width='150'/></td></tr>";  
    echo "<tr align='center'><td><a href='?action=displayuploadpictureform&productid=".$productID."'>Upload new picture.</a></td></tr>";  
    echo "</td></tr></table></br>";  
}  
  
function GetReviews( $conn, $productID )  
{  
try  
{  
$tsql = "SELECT ReviewerName,   
CONVERT(varchar(32),   
ReviewDate, 107) AS [ReviewDate],   
Rating,   
Comments   
 FROM Production.ProductReview   
 WHERE ProductID = ?   
 ORDER BY ReviewDate DESC";  
$getReviews = $conn->prepare( $tsql);  
$getReviews->execute(array($productID));  
$reviews = $getReviews->fetchAll(PDO::FETCH_NUM);  
$reviewCount = count($reviews);  
if($reviewCount > 0 )  
{  
foreach($reviews as $row)  
{  
$name = $row[0];  
$date = $row[1];  
$rating = $row[2];  
$comments = $row[3];  
DisplayReview( $productID, $name, $date, $rating, $comments );  
}  
}  
else  
{  
DisplayNoReviewsMsg();   
}  
}  
catch(Exception $e)  
{  
die(print_r($e->getMessage()));  
}  
    DisplayWriteReviewButton( $productID );  
GetSearchTerms(!null);  
}  
  
/*** Presentation and Utility Functions ***/  
  
function BeginProductsTable($rowCount)  
{  
    /* Display the beginning of the search results table. */  
$headings = array("Product ID", "Product Name", "Color", "Size", "Price");  
echo "<table align='center' cellpadding='5'>";   
echo "<tr bgcolor='silver'>$rowCount Results</tr><tr>";  
foreach ( $headings as $heading )  
{  
echo "<td>$heading</td>";  
}  
echo "</tr>";  
}  
  
function DisplayNoProductsMsg()  
{  
    echo "<h4 align='center'>No products found.</h4>";  
}  
  
function DisplayNoReviewsMsg()  
{  
    echo "<h4 align='center'>There are no reviews for this product.</h4>";  
}  
  
function DisplayReview( $productID, $name, $date, $rating, $comments)  
{  
    /* Display a product review. */  
    echo "<table style='WORD-BREAK:BREAK-ALL' width='50%' align='center' border='1' cellpadding='5'>";   
    echo "<tr>  
            <td>ProductID</td>  
            <td>Reviewer</td>  
            <td>Date</td>  
            <td>Rating</td>  
          </tr>";  
      echo "<tr>  
              <td>$productID</td>  
              <td>$name</td>  
              <td>$date</td>  
              <td>$rating</td>  
            </tr>  
            <tr>  
              <td width='50%' colspan='4'>$comments</td></tr></table><br/><br/>";  
}  
  
function DisplayUploadPictureForm( $productID, $name )  
{  
    echo "<h3 align='center'>Upload Picture</h3>";  
    echo "<h4 align='center'>$name</h4>";  
    echo "<form align='center' action='adventureworks_demo_pdo.php'   
enctype='multipart/form-data' method='POST'>  
<input type='hidden' name='action' value='uploadpicture'/>  
<input type='hidden' name='productid' value='$productID'/>  
<table align='center'>  
 <tr>  
   <td align='center'>  
 <input id='fileName' type='file' name='file'/>  
   </td>  
 </tr>  
 <tr>  
   <td align='center'>  
<input type='submit' name='submit' value='Upload Picture'/>  
   </td>  
 </tr>  
</table>  
  </form>";  
}  
  
function DisplayWriteReviewButton( $productID )  
{  
    echo "<table align='center'><form action='adventureworks_demo_pdo.php'   
             enctype='multipart/form-data' method='POST'>  
          <input type='hidden' name='action' value='writereview'/>  
          <input type='hidden' name='productid' value='$productID'/>  
          <input type='submit' name='submit' value='Write a Review'/>  
          </p></td></tr></form></table>";  
}  
  
function DisplayWriteReviewForm( $productID )  
{  
    /* Display the form for entering a product review. */  
    echo "<h5 align='center'>Name, E-mail, and Rating are required fields.</h5>";  
    echo "<table align='center'>  
<form action='adventureworks_demo_pdo.php'   
  enctype='multipart/form-data' method='POST'>  
<input type='hidden' name='action' value='submitreview'/>  
<input type='hidden' name='productid' value='$productID'/>  
<tr>  
<td colspan='5'>Name: <input type='text' name='name' size='50'/></td>  
</tr>  
<tr>  
<td colspan='5'>E-mail: <input type='text' name='email' size='50'/></td>  
</tr>  
<tr>  
<td>Rating: 1<input type='radio' name='rating' value='1'/></td>  
<td>2<input type='radio' name='rating' value='2'/></td>  
<td>3<input type='radio' name='rating' value='3'/></td>  
<td>4<input type='radio' name='rating' value='4'/></td>  
<td>5<input type='radio' name='rating' value='5'/></td>  
</tr>  
<tr>  
<td colspan='5'>  
<textarea rows='20' cols ='50' name='comments'>[Write comments here.]</textarea>  
</td>  
</tr>  
<tr>  
<td colspan='5'>  
<p align='center'><input type='submit' name='submit' value='Submit Review'/>  
</td>  
</tr>  
</form>  
          </table>";  
}  
  
function EndProductsTable()  
{   
    echo "</table><br/>";   
}  
  
function GetSearchTerms( $success )  
{  
    /* Get and submit terms for searching the database. */  
    if (is_null( $success ))  
    {  
echo "<h4 align='center'>Review successfully submitted.</h4>";}  
echo "<h4 align='center'>Enter search terms to find products.</h4>";  
echo "<table align='center'>  
<form action='adventureworks_demo_pdo.php'   
  enctype='multipart/form-data' method='POST'>  
<input type='hidden' name='action' value='getproducts'/>  
<tr>  
   <td><input type='text' name='query' size='40'/></td>  
</tr>  
<tr align='center'>  
   <td><input type='submit' name='submit' value='Search'/></td>  
</tr>  
</form>  
  </table>";  
}  
  
function PopulateProductsTable( $values )  
{  
    /* Populate Products table with search results. */  
    $productID = $values['ProductID'];  
    echo "<tr>";  
    foreach ( $values as $key => $value )  
    {  
        if ( 0 == strcasecmp( "Name", $key ) )  
        {  
            echo "<td><a href='?action=getreview&productid=$productID'>$value</a></td>";  
        }  
        elseif( !is_null( $value ) )  
        {  
            if ( 0 == strcasecmp( "ListPrice", $key ) )  
            {  
                /* Format with two digits of precision. */  
                $formattedPrice = sprintf("%.2f", $value);  
                echo "<td>$$formattedPrice</td>";  
            }  
            else  
            {  
                echo "<td>$value</td>";  
            }  
        }  
        else  
        {  
            echo "<td>N/A</td>";  
        }  
    }  
    echo "<td>  
            <form action='adventureworks_demo_pdo.php' enctype='multipart/form-data' method='POST'>  
            <input type='hidden' name='action' value='writereview'/>  
            <input type='hidden' name='productid' value='$productID'/>  
            <input type='submit' name='submit' value='Write a Review'/>  
            </td></tr>  
            </form></td></tr>";  
}  
?>  
</body>  
</html>

LOB 範例

photo.php 指令碼針對指定的 ProductID傳回產品相片。 此指令碼是從 adventureworks_demo.php 指令碼呼叫。

將下列程式碼放入名為 photo_pdo.php 的檔案中：

<?php  
/*  
=============  
This file is part of a Microsoft SQL Server Shared Source Application.  
Copyright (C) Microsoft Corporation.  All rights reserved.  
  
THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY  
KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE  
IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A  
PARTICULAR PURPOSE.  
=============  
*/  
$serverName = "(local)\sqlexpress";  
  
/* Connect using Windows Authentication. */  
try  
{  
$conn = new PDO( "sqlsrv:server=$serverName ; Database=AdventureWorks", "", "");  
$conn->setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION );  
}  
catch(Exception $e)  
{   
die( print_r( $e->getMessage() ) );   
}  
  
/* Get the product picture for a given product ID. */  
try  
{  
$tsql = "SELECT LargePhoto   
 FROM Production.ProductPhoto AS p  
 JOIN Production.ProductProductPhoto AS q  
 ON p.ProductPhotoID = q.ProductPhotoID  
 WHERE ProductID = ?";  
$stmt = $conn->prepare($tsql);  
$stmt->execute(array(&$_GET['productId']));  
$stmt->bindColumn(1, $image, PDO::PARAM_LOB, 0, PDO::SQLSRV_ENCODING_BINARY);  
$stmt->fetch(PDO::FETCH_BOUND);  
echo $image;  
}  
catch(Exception $e)  
{   
die( print_r( $e->getMessage() ) );   
}  
?>

相關內容

連線到伺服器

比較執行函式

擷取資料

更新資料 (Microsoft Drivers for PHP for SQL Server)

SQLSRV 驅動程式 API 參考

  • Last updated on