/**
* 对符合当前条件的记录执行update
* @param $data
* @return bool
*/
function update($data)
{
$update = "";
foreach ($data as $key => $value) {
$value = $this->db->quote($value);
if ($value != '' and $value[0] == '`') {
$update = $update . "`{$key}`={$value},";
} else {
$update = $update . "`{$key}`='{$value}',";
}
}
$update = substr($update, 0, -1);
return $this->db->query("update {$this->table} set {$update} {$this->where} {$this->limit}");
}
