Symfony2实现从数据库获取数据的方法小结

Symfony2实现从数据库获取数据的方法。分享给大家供大家参考,具体如下:

假设有一张表:test, 字段:name,color;
有2条记录:
Tom blue
Lily red

示例1:

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$conn = $this->getDoctrine()->getConnection();
$data = $conn->fetchcolumn("SELECT name, color FROM test");
echo '<pre>'; print_r($data);

结果为:

1
Tom

示例2:

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$conn = $this->getDoctrine()->getConnection();
$data = $conn->fetchArray("SELECT name, color FROM test");
echo '<pre>'; print_r($data);

结果为:

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Array
(
  [0]=>Tom
  [1]=>blue
)

示例3:

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$conn = $this->getDoctrine()->getConnection();
$data = $conn->fetchAssoc("SELECT name, color FROM test");
echo '<pre>'; print_r($data);

结果为:

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Array
(
  [name]=>Tom
  [color]=>blue
)

示例4:

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$conn = $this->getDoctrine()->getConnection();
$data = $conn->fetchAll("SELECT name, color FROM test");
echo '<pre>'; print_r($data);

结果为:

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Array
(
  [0] => Array
    (
      [name]=>Tom
      [color]=>blue
    )
  [1] => Array
    (
      [name]=>Lily
      [color]=>red
    )
)
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