<%@ page import="javabean.DateTime" %> <%@ page import="javabean.CompareDate" %> <%@ page import="java.sql.*" %> <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> Insert title here <% String book = request.getParameter("bookid"); session.setAttribute("book", book); if(session.getAttribute("manager")!=null){ DateTime date = new DateTime(); String now = date.show(); String bookid = request.getParameter("bookid"); String sql="select*from borrow_books where book_id = "+bookid; ResultSet rs = judge.executeQuery(sql); String end = ""; String ret = ""; String card = ""; while (rs.next()) { end = rs.getString("end_date"); ret = rs.getString("return_date"); card = rs.getString("card_id"); } if(ret==null){ //CompareDate cd = new CompareDate(); long n = CompareDate.show(now,end); //out.println(sql); //out.println(n); //out.println(end); //out.println(now); session.setAttribute("days", n); String sql1="select*from borrow_card where id = "+card; ResultSet rs1 = judge.executeQuery(sql1); String rule = ""; while (rs1.next()) { rule = rs1.getString("rule_id"); } String sql2="select*from rules where id = "+rule; ResultSet rs2 = judge.executeQuery(sql2); String fee = ""; while (rs2.next()) { fee = rs2.getString("overtime_fee"); } session.setAttribute("fee", fee); %> <% }else{ %> <% } }else{ %> <% } %>