java中占位符的使用
SimpleDateFormat simple=new SimpleDateFormat("yyyy年MM月dd日 HH点mm分ss秒");
String newDate=simple.format(new Date());
String st1="%s的%s的价格是%s,是否售罄%s,占总销售的%s%%,库存%s,是否为畅销品%s,当前日期为%s";
String ss=String.format(st1, "58优品","啤酒","3.5",'是',"80","998","true",newDate);
System.out.println(ss);