PHP还是新的!我想从类别名称中选择多个产品,但我没有收到任何结果。有什么建议么?php从连接表中选择
我在MS Access中创建一个产品表和类别表:
Category
字段CategoryID
,ProductID
和Category
用头,雕塑和花瓶记录。
Products
字段ProductID
,ProductName
,Price
,并Details
。
$conn = new COM("ADODB.Connection") or die("Cannot start ADO");
$connString= "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=e:\\ectserver\\AHARDEN2\\Database\\products.mdb";
//creates the connection object and define the connection string
$conn->Open($connString);
$selectCommand="SELECT ProductName, Price, Details FROM Products WHERE ProductID = Head";
$rs = $conn->Execute($selectCommand);
//opens a recordset from the connection object
if (!$rs->EOF){
$ProductName = $rs->Fields("ProductName");
$Price = $rs->Fields("Price");
$Details = $rs->Fields("Details");
}
print "You selected the following product last time:<p>";
print "<div id=\"category\"> ";
print "Product Name: $ProductName<br>";
print "Price: $Price<br>";
print "Details: $Details<br>";
print "</div>";
$rs->Close;
你必须使用SQL JOIN,这是更多的SQL和更少的PHP问题 – 2012-07-07 13:59:50
我没有关注你。你能解释一下吗?我的书没有表明我需要这样做,但我不是专家,所以我可以举个例子。 – Nerdysyntax 2012-07-07 14:06:41