我想以老式方式在 zend2 中执行查询。我想编写查询并执行它。我不想使用函数 save()、update()、delete()。 这是我的模型:
namespace Application\Model;
use Zend\Db\Adapter\Adapter;
use Zend\Db\TableGateway\AbstractTableGateway;
use Zend\Db\Sql\Select;
use Zend\Db\Sql\Sql;
use Zend\Db\Adapter\Driver\ResultInterface;
use Zend\Db\ResultSet\ResultSet;
class UsersTable extends AbstractTableGateway {
public function __construct(Adapter $adapter) {
$this->adapter = $adapter;
}
public function fetchAll() {
$results = $this->adapter->query("SELECT * FROM users");
return $results->execute();
}
}
在函数 fetchAll 中,我想执行查询“select * from users”。我怎样才能做到这一点 ? 结果是:
object(Zend\Db\Adapter\Driver\Pdo\Result)#243 (8) {
["statementMode":protected]=>
string(7) "forward"
["resource":protected]=>
object(PDOStatement)#241 (1) {
["queryString"]=>
string(19) "SELECT * FROM users"
}
["options":protected]=>
NULL
["currentComplete":protected]=>
bool(false)
["currentData":protected]=>
NULL
["position":protected]=>
int(-1)
["generatedValue":protected]=>
string(1) "0"
["rowCount":protected]=>
NULL
}
您可以执行以下操作,而不是循环结果集并调用 next():
public function fetchAll() {
$results = $this->adapter->query("SELECT * FROM users");
$result = $results->execute();
return $result->getResource()->fetchAll();
}
该函数将以数组形式返回数据。
你将创建一个数组
public function fetchAll() {
$stmt = $this->adapter->query('SELECT * FROM user');
$result = $stmt->execute();
if($result->count() > 0) {
$returnArr = array();
while ($result->valid()) {
$returnArr[] = $result->current();
$result->next();
}
if(count($returnArr) > 0) {
return $returnArr;
}
}
return FALSE;
}
$result = fetchAll();
foreach($result as $row){
$row->column1
$row->column2
}
或
$result = $result->toArray();