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use think\facade\Db;

// Ö´ÐÐÔ­Éú SQL
Db::query('SELECT * FROM `user` WHERE `id` = 1');

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use think\facade\Db;

$query = Db::table('user');

$data = $query->where('id', 1)
    ->field('id, name')
    ->select();

// Ö´ÐÐÔ­Éú SQL
$sql = $query->fetchSql(true)->find();

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