text: insert into `product_info` ( id,product_name,price,status) values(1,'iPhoneX',8000,0);
  insert into `product_info` ( id,`product_name`,price,status) values(2,'小米8',3000,0);
  insert into `product_info` ( id,`product_name`,price,status) values(3,'vivo NEX',4000,0);
  insert into `product_info` ( id,`product_name`,price,status) values(4,'荣耀10',3000,0);
  