{"0":"id","1":"book_id","2":"uid","3":"uname","4":"type","5":"is_new","6":"add_time","7":"status","_autoinc":true,"_pk":"id","_type":{"id":"int(10) unsigned","book_id":"int(10) unsigned","uid":"int(10) unsigned","uname":"varchar(20)","type":"tinyint(1)","is_new":"tinyint(1)","add_time":"datetime","status":"tinyint(1)"}}