<%
Object days = session.getAttribute("days");
Object fee = session.getAttribute("fee");
int d = Integer.parseInt(days.toString());
float f = Float.parseFloat(fee.toString());
String book = session.getAttribute("book").toString();
String mes = "";
String mes2 = "";
float sum = 0;
if(d<0){
mes = "已逾期"+(-d)+"天";
sum = d*f*(-1);
mes2 = "罚款"+sum;
}
else{
mes = "还剩"+d+"天";
//mes2 = "无需罚款";
}
session.setAttribute("mes",mes);
session.setAttribute("mes2",mes2);
%>