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Laravel ÌṩÁË select() ÒªÁìÀ´Ñ¡ÔñÐèÒªÅÌÎʵÄÁУ¬¿ÉÒÔÖ±½Óת´ïÁÐÃûµ½¸ÃÒªÁì»òÕßʹÓÃÊý×éÀ´×ª´ïÁÐÃû¡£from() ·½¹æÔòÖ¸¶¨±íÃû¡£ÀýÈ磬ÒÔÏ´úÂë¿ÉÒÔÅÌÎÊ users ±íÖÐµÄ id ºÍ name ÁУº

$users = DB::table('users')
            ->select('id', 'name')
            ->get();

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$users = DB::table('users')
            ->where('name', 'Smith')
            ->get();

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$users = DB::table('users')
            ->where('name', 'Smith')
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            ->get();

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            ->get();

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$users = DB::table('users')
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            ->get();

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