$conn = new mysqli($servername, $username, $password, $dbname); $sql="select * from product" ; 能实现连接查询的是( )
选项:
A:$result =query($sql,$conn);
B:$result = $conn.query($sql);
C:$result = $conn->query($sql);
发布时间:2024-04-13 09:44:39