📄 userlogin_jsp.java
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package org.apache.jsp;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;
public final class userlogin_jsp extends org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
private static java.util.Vector _jspx_dependants;
public java.util.List getDependants() {
return _jspx_dependants;
}
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
JspFactory _jspxFactory = null;
PageContext pageContext = null;
HttpSession session = null;
ServletContext application = null;
ServletConfig config = null;
JspWriter out = null;
Object page = this;
JspWriter _jspx_out = null;
PageContext _jspx_page_context = null;
try {
_jspxFactory = JspFactory.getDefaultFactory();
response.setContentType("text/html; charset=gb2312");
pageContext = _jspxFactory.getPageContext(this, request, response,
"", true, 8192, true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write("\r\n<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\r\n<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=gb2312\">\r\n<title>User Login</title>\r\n<style type=\"text/css\">\r\n<!--\r\n.style5 {font-size: 36px}\r\n-->\r\n</style></head>\r\n\r\n<body>\r\n<form name=\"form1\" method=\"post\" action=\"\">\r\n <table border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\r\n <tr align=\"left\" valign=\"top\" bgcolor=\"#000000\">\r\n <td height=\"100\" colspan=\"2\"><table width=\"100%\" border=\"0\" align=\"left\" cellpadding=\"0\" cellspacing=\"1\" bgcolor=\"#FFFFFF\">\r\n <tr>\r\n <td bgcolor=\"#FFFFFF\"><img src=\"F:\\example\\图书馆\\login\\library1.gif\" width=\"699\" height=\"100\" alt=\"\"></td>\r\n </tr>\r\n </table></td>\r\n </tr>\r\n <tr>\r\n <td height=\"449\" align=\"left\" valign=\"top\" bgcolor=\"#000000\"><table width=\"99%\" border=\"0\" align=\"left\" cellpadding=\"0\" cellspacing=\"0\" bgcolor=\"#FFFFFF\">\r\n <tr>\r\n <td valign=\"top\" bgcolor=\"#CCCCCC\"><table width=\"70%\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"1\" bgcolor=\"#CCCCCC\">\r\n");
out.write(" <tr>\r\n <td width=\"20\" align=\"right\"> </td>\r\n <td width=\"130\" align=\"center\"> </td>\r\n </tr>\r\n <tr>\r\n <td width=\"20\" align=\"right\"><img src=\"F:\\example\\图书馆\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n <td width=\"130\" align=\"center\"> <a href=\"userrights.jsp\">UserRights</a> </td>\r\n </tr>\r\n <tr>\r\n <td width=\"20\" height=\"5\" align=\"right\"> </td>\r\n <td width=\"130\" height=\"5\" align=\"center\"><img src=\"F:\\example\\图书馆\\login/library4.png\" width=\"102\" height=\"5\" alt=\"\"></td>\r\n </tr>\r\n <tr>\r\n <td width=\"20\" align=\"right\"><img src=\"F:\\example\\图书馆\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n <td width=\"130\" align=\"center\"><a href=\"modifymessage.jsp\">ModifyMessage</a></td>\r\n </tr>\r\n <tr>\r\n <td width=\"20\" height=\"5\" align=\"right\"> </td>\r\n <td width=\"130\" height=\"5\" align=\"center\"><img src=\"F:\\example\\图书馆\\login/library4.png\" width=\"102\" height=\"5\" alt=\"\"></td>\r\n");
out.write(" </tr>\r\n <tr>\r\n <td width=\"20\" align=\"right\"><img src=\"F:\\example\\图书馆\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n <td width=\"130\" align=\"center\"><a href=\"booksearch.jsp\">BookSearch</a></td>\r\n </tr>\r\n <tr>\r\n <td width=\"20\" align=\"right\"> </td>\r\n <td width=\"130\" align=\"center\"><img src=\"F:\\example\\图书馆\\login/library4.png\" width=\"102\" height=\"5\" alt=\"\"></td>\r\n </tr>\r\n <tr>\r\n <td width=\"20\" align=\"right\"><img src=\"F:\\example\\图书馆\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n <td width=\"130\" align=\"center\"><a href=\"bookreturn.jsp\">BookReturn</a></td>\r\n </tr>\r\n <tr>\r\n <td width=\"20\" align=\"right\"> </td>\r\n <td width=\"130\" align=\"center\"><img src=\"F:\\example\\图书馆\\login/library4.png\" width=\"102\" height=\"5\" alt=\"\"></td>\r\n </tr>\r\n <tr>\r\n <td width=\"20\" align=\"right\"><img src=\"F:\\example\\图书馆\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n");
out.write(" <td width=\"130\" align=\"center\"><a href=\"haveborrowtemp.jsp\">HaveBorrow</a></td>\r\n </tr>\r\n <tr>\r\n <td width=\"20\" align=\"right\"> </td>\r\n <td width=\"130\" align=\"center\"><img src=\"F:\\example\\图书馆\\login/library4.png\" width=\"102\" height=\"5\" alt=\"\"></td>\r\n </tr>\r\n </table></td>\r\n </tr>\r\n <tr>\r\n <td height=\"250\" valign=\"top\" bgcolor=\"#CCCCCC\"> </td>\r\n </tr>\r\n </table></td>\r\n <td height=\"449\" align=\"center\" valign=\"middle\"><p class=\"style5\">Welcome to the Library,</p>\r\n <p class=\"style5\">User!</p></td>\r\n </tr>\r\n <tr>\r\n <td bgcolor=\"#666666\"> </td>\r\n <td><img src=\"F:\\example\\图书馆\\login/library2.png\" width=\"573\" height=\"40\" alt=\"\"></td>\r\n </tr>\r\n </table>\r\n</form>\r\n");
login.Library Library = null;
synchronized (session) {
Library = (login.Library) _jspx_page_context.getAttribute("Library", PageContext.SESSION_SCOPE);
if (Library == null){
Library = new login.Library();
_jspx_page_context.setAttribute("Library", Library, PageContext.SESSION_SCOPE);
out.write('\r');
out.write('\n');
}
}
out.write("\r\n<center>\r\n");
//java.util.Locale locale = request.getLocale();
//java.text.DateFormat dateFormat = java.text.DateFormat.getDateInstance(java.text.DateFormat.LONG,locale);
/*String id = Library.getid();
int shouldreturndata=0;
String title="",strsrd="",returnmoney="yes",returnmoney1="yes";//returndata1="",title1="";
try{
Connection conn=Library.getConn();
Statement stmt,stmt1;
stmt = conn.createStatement();
//PreparedStatement pstmt1 = conn.prepareStatement();
// PreparedStatement pstmt3 = conn.prepareStatement("select * from borrowbook where id ='" + id + "'");
/* ResultSet rs1 = stmt.executeQuery("select * from borrowbook where id ='" + id + "'");//在用户登陆时，判断用户是不是有超出借期的书没还，把相应纪录的overdata,fee,returnmoney改变，即在每次用户登陆时判断是否要罚款
// out.println("<p>"+rs1.getString("studnetnumber")+"</p>");
stmt1=conn.createStatement();//Resultset is closed，是指在一个rs正在循环时，使用这个rs所对应的stmt等，进行操作，产生的rs关闭，一个rs在没有结束时，他的stmt不能被再次使用
while(rs1.next()){//无效游标有时指缺少rs1.next()
int returndata=Integer.parseInt(rs1.getString("returndata"));//因为如果returndata为String型，无法判断null,所以用int,可判断0
//out.println("<p>'"+returndata+"'</p>");
strsrd=rs1.getString("shouldreturndata");
//title=rs1.getString("title");
shouldreturndata=Integer.parseInt(strsrd);
// out.println("<p>"+shouldreturndata+"</p>");
int trailnumber =Integer.parseInt(rs1.getString("trailnumber"));//用rs1.getInt()无法识别，尽管数据表数据是int型
//out.println("<p>"+(new java.util.Date().getYear()*365 + new java.util.Date().getMonth()*31 + new java.util.Date().getDay())+"</p>");
if(returndata==0 && (new java.util.Date().getYear()*365 + new java.util.Date().getMonth()*31 + new java.util.Date().getDay())>shouldreturndata)//new java.util.Date()获得系统当前时间，因为日期的相减比较工作很复杂，所以把日期型变量用get函数转化为相应的int型，在乘以权数，进行比较
{
int overdata = (new java.util.Date().getYear()*365 + new java.util.Date().getMonth()*31 + new java.util.Date().getDay()) - shouldreturndata;
//out.println("<p>"+overdata+"</p>");
double feeperday = 0.01;
double fee = feeperday*overdata;
// Statement stmt=conn.createStatement();
stmt1.execute("update borrowbook set overdata = '" + overdata + "' where trailnumber ='" + trailnumber + "'");
stmt1.execute("update borrowbook set fee = '" + fee + "' where trailnumber ='" + trailnumber + "'");
stmt1.execute("update borrowbook set returnmoney = 'no' where trailnumber ='" + trailnumber + "'");
}*/
//if(!rs1.next()){break;}
/* returndata=rs1.getString("returndata");
strsrd=rs1.getString("shouldreturndata");
title=rs1.getString("title");
shouldreturndata=Integer.parseInt(strsrd);
if( (new java.util.Date().getYear()*365 + new java.util.Date().getMonth()*31 + new java.util.Date().getDay())>shouldreturndata){
int overdata = (new java.util.Date().getYear()*365 + new java.util.Date().getMonth()*31 + new java.util.Date().getDay()) - shouldreturndata;
double feeperday = 0.01;
double fee = feeperday*overdata;
// Statement stmt=conn.createStatement();
stmt.execute("update borrowbook set overdata = '" + overdata + "' where title ='" + title + "' and id ='" + id + "'");
stmt.execute("update borrowbook set fee = '" + fee + "' where title ='" + title + "' and id ='" + id + "'");
stmt.execute("update borrowbook set returnmoney = 'no' where title ='" + title + "' and id ='" + id + "'");} *///break;}
//}
/* if(request.getParameter("userrights")!=null){
ResultSet rs = stmt.executeQuery("select * from user where id ='" + id + "'");
while(rs.next()){
out.println("<p>You can borrow" + rs.getString("maxbook") +"in total. </p>");}
ResultSet rs3 = stmt.executeQuery("select * from borrowbook where id ='" + id + "'");
while(rs3.next()){
returnmoney=rs3.getString("returnmoney");
if(returnmoney.equals("no")){
out.println("<p>But you can't borrow now,because you haven't pay the fee.The message is below. </p>" );
out.println("<p>serialnumber =" + rs3.getString("serialnumber") + " </p>");
out.println("<p>sortnumber =" + rs3.getString("sortnumber") + " </p>");
out.println("<p>title =" + rs3.getString("title") + " </p>");
out.println("<p>borrowdata =" + rs3.getString("borrowdata") + " </p>");
out.println("<p>shouldreturndata =" + rs3.getString("shouldreturndata") + " </p>");
out.println("<p>returndata =" + rs3.getString("returndata") + " </p>");
out.println("<p>overdata =" + rs3.getString("overdata") + " </p>");
out.println("<p>fee =" + rs3.getString("fee") + " </p>");
out.println("<p>returnmoney =" + returnmoney + " </p>");
}
}
}*/
/* if(request.getParameter("booksearch")!=null){
response.sendRedirect("booksearch.jsp");}
/* else if(request.getParameter("pay")!=null){
// PreparedStatement pstmt2 = conn.prepareStatement();
// Statement stmt1=conn.createStatement();
ResultSet rs2 = stmt.executeQuery("select * from borrowbook where id ='" + id + "'");
while(rs2.next()){
returnmoney1=rs2.getString("returnmoney");
int returndata=Integer.parseInt(rs2.getString("returndata"));
// returndata=rs2.getString("returndata");
if(returndata!=0 && returnmoney1.equals("no")){//当returndata!=0，即书已还，而returnmoney=no，即欠款还没还的情况下，找出相对应的借书记录，将欠款还了，即置相应纪录的returnmoney=yes
// title1 = rs2.getString("title");
// Statement stmt=conn.createStatement();
stmt1.execute("update borrowbook set returnmoney = 'yes' where id ='" + id + "' and title ='"+rs2.getString("title")+"'");
}*/
// if(!rs2.next()){break;}
/* else if(request.getParameter("modifymessage")!=null){
response.sendRedirect("modifymessage.jsp");}
}catch (Exception ex){
response.sendRedirect("fail.jsp");*/
/*ex.printStackTrace();}*/
out.write("\r\n</body>\r\n</html>\r\n");
} catch (Throwable t) {
if (!(t instanceof SkipPageException)){
out = _jspx_out;
if (out != null && out.getBufferSize() != 0)
out.clearBuffer();
if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
}
} finally {
if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
}
}
}
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