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選擇一個數據庫中的值,並更新到另一個數據庫與同一ID: 在那裏我得到的錯誤是 試圖讓非對象 我怎麼能實現它的屬性有任何解決方案?從一個數據庫和更新到另一個相匹配的行選擇
$servername = "localhost";
$username = "root";
$password = "pass";
$dbname = "db1";
$dbname2="db2";
$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$conn2 = new mysqli($servername, $username, $password, $dbname2);
if ($conn2->connect_error) {
die("Connection failed: " . $conn2->connect_error);
}
$sql = "SELECT * FROM affiliates";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
//output data of each row
while($row = $result->fetch_assoc()) {
echo "from db1 id: " . $row["id"]. "publish " .$row["publishinsuppliercontants"]. "<br>";
$sql2 = "UPDATE a1_affilates_cstm SET publish_in_supplier_contacts_c=".$row["publishinsuppliercontants"]." WHERE id_c=".$row["id"]."";
$result2 = $conn2->query($sql2);
$sql2 = "SELECT * FROM a1_affilates_cstm WHERE id_c = ". $row["id"]."";
$result2=mysqli_query($conn2,$sql2) or die mysqli_error($conn2);
$row1 = mysqli_fetch_array($result2);
///check whether inserted ...
echo "from db2 id: " . $row1["id_c"]. " - publish: ".row1["publish_in_supplier_contacts_c"]. " <br>";
}
} else {
echo "0 results";
}
這意味着某個地方你想獲得一些對象,但不能用於例如'$ result-> fetch_assoc()' – webDev