parent
c47d51dc55
commit
a4a248b3f1
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<%@ page import="javabean.DateTime" %>
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<%@ page import="javabean.CompareDate" %>
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<%@ page import="java.sql.*" %>
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<%@ page language="java" contentType="text/html; charset=UTF-8"
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pageEncoding="UTF-8"%>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Insert title here</title>
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</head>
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<body>
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<jsp:useBean id="judge" scope="session" class="javabean.JDBCBean"></jsp:useBean>
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<%
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String book = request.getParameter("bookid");
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session.setAttribute("book", book);
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if(session.getAttribute("manager")!=null){
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DateTime date = new DateTime();
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String now = date.show();
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String bookid = request.getParameter("bookid");
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String sql="select*from borrow_books where book_id = "+bookid;
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ResultSet rs = judge.executeQuery(sql);
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String end = "";
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String ret = "";
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String card = "";
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while (rs.next()) {
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end = rs.getString("end_date");
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ret = rs.getString("return_date");
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card = rs.getString("card_id");
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}
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if(ret==null){
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//CompareDate cd = new CompareDate();
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long n = CompareDate.show(now,end);
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//out.println(sql);
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//out.println(n);
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//out.println(end);
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//out.println(now);
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session.setAttribute("days", n);
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String sql1="select*from borrow_card where id = "+card;
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ResultSet rs1 = judge.executeQuery(sql1);
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String rule = "";
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while (rs1.next()) {
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rule = rs1.getString("rule_id");
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}
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String sql2="select*from rules where id = "+rule;
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ResultSet rs2 = judge.executeQuery(sql2);
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String fee = "";
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while (rs2.next()) {
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fee = rs2.getString("overtime_fee");
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}
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session.setAttribute("fee", fee);
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%>
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<script>
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window.location.href = "04return.jsp";
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</script>
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<%
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}else{
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%>
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<script>
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alert("该书未借出或不存在！");
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window.location.href = "04judge.jsp";
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</script>
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<%
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}
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}else{
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%>
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<script>
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alert('请先登录！');
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window.parent.location.href = "../loginManager.html";
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</script>
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<%
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}
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%>
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</body>
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</html>
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@ -0,0 +1,25 @@
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package javabean;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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public class CompareDate {
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public static long show(String Str1, String Str2) {
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long between = 0;
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SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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try {
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Date date1 = format.parse(Str1);
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Date date2 = format.parse(Str2);
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between = (date2.getTime() - date1.getTime());
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System.out.println(date1);
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System.out.println(date2);
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} catch (ParseException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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long days = between / (24 * 60 * 60 * 1000);
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return days;
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}
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}
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