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Driver类的value方法拆分为value和column方法 用于获取单个值 及 列表值

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thinkphp
2016-04-08 17:59:11 +08:00
parent 65f6ee1fcf
commit da9c41f9e7
1 changed files with 21 additions and 14 deletions
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35
library/think/db/Driver.php
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@@ -1002,26 +1002,33 @@ abstract class Driver
} }
/** /**
* 得到某个字段的值 或者多个字段列数组 * 得到某个字段的值
* @access public * @access public
* @param string|array $field 字段名 * @param string $field 字段名
* @param bool $resultSet 是否需要返回字段列表
* @return mixed * @return mixed
*/ */
public function value($field, $resultSet = false) public function value($field)
{ {
// 返回数据个数 // 返回数据个数
if (!$resultSet) { $pdo = $this->field($field)->fetchPdo(true)->find();
$pdo = $this->field($field)->fetchPdo(true)->find(); return $pdo->fetchColumn();
return $pdo->fetchColumn(); }
} else {
$pdo = $this->field($field)->fetchPdo(true)->select();
if (1 == $pdo->columnCount()) {
return $pdo->fetchAll(PDO::FETCH_COLUMN);
}
$result = $pdo->fetchAll(PDO::FETCH_ASSOC);
}
/**
* 得到某个列的数组
* @access public
* @param string $field 字段名 多个字段用逗号分隔
* @param string $key 索引
* @return array
*/
public function column($field, $key = '')
{
$key = $key ? $key . ',' : '';
$pdo = $this->field($key . $field)->fetchPdo(true)->select();
if (1 == $pdo->columnCount()) {
return $pdo->fetchAll(PDO::FETCH_COLUMN);
}
$result = $pdo->fetchAll(PDO::FETCH_ASSOC);
$fields = array_keys($result[0]); $fields = array_keys($result[0]);
$count = count($fields); $count = count($fields);
$key1 = array_shift($fields); $key1 = array_shift($fields);