?? update_jsp.java
字號:
package org.apache.jsp;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;
public final class update_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>Update</title>\r\n<style type=\"text/css\">\r\n<!--\r\n.style3 {font-size: 24px}\r\n.style4 {font-size: 18px}\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\\圖書館\\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\\圖書館\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n <td width=\"130\" align=\"center\"> <a href=\"adduser.jsp\">Adduser</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\\圖書館\\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\\圖書館\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n <td width=\"130\" align=\"center\"><a href=\"modifyuser.jsp\">Modifyuser</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\\圖書館\\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\\圖書館\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n <td width=\"130\" align=\"center\"><a href=\"deleteuser.jsp\">Deletuser</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\\圖書館\\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\\圖書館\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n <td width=\"130\" align=\"center\"><a href=\"searchuser.jsp\">Searchuser</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\\圖書館\\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\\圖書館\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n");
out.write(" <td width=\"130\" align=\"center\"><a href=\"addbook.jsp\">Addbook</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\\圖書館\\login/library4.png\" width=\"102\" height=\"5\" alt=\"\"></td>\r\n </tr>\r\n <tr>\r\n <td align=\"right\"><img src=\"F:\\example\\圖書館\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n <td align=\"center\"><a href=\"deletebook.jsp\">Deletebook</a></td>\r\n </tr>\r\n <tr>\r\n <td align=\"right\"> </td>\r\n <td align=\"center\"><img src=\"F:\\example\\圖書館\\loginlibrary4.png\" width=\"102\" height=\"5\" alt=\"\"></td>\r\n </tr>\r\n <tr>\r\n <td align=\"right\"><img src=\"F:\\example\\圖書館\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n <td align=\"center\"><a href=\"borrowsearch.jsp\">Borrowsearch</a></td>\r\n </tr>\r\n <tr>\r\n <td align=\"right\"> </td>\r\n");
out.write(" <td align=\"center\"><img src=\"F:\\example\\圖書館\\login/library4.png\" width=\"102\" height=\"5\" alt=\"\"></td>\r\n </tr>\r\n <tr>\r\n <td align=\"right\"><img src=\"F:\\example\\圖書館\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n <td align=\"center\"><a href=\"search.jsp\">Search</a></td>\r\n </tr>\r\n <tr>\r\n <td align=\"right\"> </td>\r\n <td align=\"center\"><img src=\"F:\\example\\圖書館\\login/library4.png\" width=\"102\" height=\"5\" alt=\"\"></td>\r\n </tr>\r\n <tr>\r\n <td align=\"right\"><img src=\"F:\\example\\圖書館\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n <td align=\"center\"><a href=\"userpay.jsp\">Userpay</a></td>\r\n </tr>\r\n <tr>\r\n <td align=\"right\"> </td>\r\n <td align=\"center\"><img src=\"F:\\example\\圖書館\\login/library4.png\" width=\"102\" height=\"5\" alt=\"\"></td>\r\n </tr>\r\n <tr>\r\n <td align=\"right\"><img src=\"F:\\example\\圖書館\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n");
out.write(" <td align=\"center\"><a href=\"update.jsp\">Update</a></td>\r\n </tr>\r\n <tr>\r\n <td align=\"right\"> </td>\r\n <td align=\"center\"><img src=\"F:\\example\\圖書館\\login/library4.png\" width=\"102\" height=\"5\" alt=\"\"></td>\r\n </tr>\r\n <tr>\r\n <td width=\"20\" align=\"right\"> </td>\r\n <td width=\"130\" align=\"center\"> </td>\r\n </tr>\r\n </table></td>\r\n </tr>\r\n <tr>\r\n <td height=\"200\" valign=\"top\" bgcolor=\"#CCCCCC\"> </td>\r\n </tr>\r\n </table></td>\r\n <td height=\"449\" align=\"center\" valign=\"middle\"><p class=\"style5\">You have succeeded in updating</p>\r\n <p class=\"style5\">Administrator!</p></td>\r\n </tr>\r\n <tr>\r\n <td bgcolor=\"#666666\"> </td>\r\n <td><img src=\"F:\\example\\圖書館\\login/library2.png\" width=\"573\" height=\"40\" alt=\"\"></td>\r\n </tr>\r\n </table>\r\n</form>\r\n\r\n\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\r\n");
String id = Library.getid();
int shouldreturndata=0,number=1;
String title="",strsrd="",returnmoney="yes",returnmoney1="yes";//returndata1="",title1="";
try{
Connection conn=Library.getConn();
Statement stmt,stmt1;
stmt = conn.createStatement();
ResultSet rs1 = stmt.executeQuery("select * from borrowbook");
while(rs1.next()){++number;}
for(int i=1;i<=number;i++){
ResultSet rs2 = stmt.executeQuery("select * from borrowbook where trailnumber ='" + i + "'");
//int trailnumber =Integer.parseInt(rs1.getString("trailnumber"));//用rs1.getInt()無法識別，盡管數(shù)據(jù)表數(shù)據(jù)是int型
//PreparedStatement pstmt1 = conn.prepareStatement();
// PreparedStatement pstmt3 = conn.prepareStatement("select * from borrowbook where id ='" + id + "'");
// ResultSet rs1 = stmt.executeQuery("select * from borrowbook where id ='" + id + "'");//在用戶登陸時，判斷用戶是不是有超出借期的書沒還，把相應(yīng)紀(jì)錄的overdata,fee,returnmoney改變，即在每次用戶登陸時判斷是否要罰款
// out.println("<p>"+rs1.getString("studnetnumber")+"</p>");
stmt1=conn.createStatement();//Resultset is closed，是指在一個rs正在循環(huán)時，使用這個rs所對應(yīng)的stmt等，進(jìn)行操作，產(chǎn)生的rs關(guān)閉，一個rs在沒有結(jié)束時，他的stmt不能被再次使用
while(rs2.next()){//無效游標(biāo)有時指缺少rs1.next()
int returndata=Integer.parseInt(rs2.getString("returndata"));//因?yàn)槿绻鹯eturndata為String型，無法判斷null,所以用int,可判斷0
//out.println("<p>'"+returndata+"'</p>");
strsrd=rs2.getString("shouldreturndata");
//title=rs1.getString("title");
shouldreturndata=Integer.parseInt(strsrd);
// out.println("<p>"+shouldreturndata+"</p>");
//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()獲得系統(tǒng)當(dāng)前時間，因?yàn)槿掌诘南鄿p比較工作很復(fù)雜，所以把日期型變量用get函數(shù)轉(zhuǎn)化為相應(yīng)的int型，在乘以權(quán)數(shù)，進(jìn)行比較
{
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 ='" + i + "'");
stmt1.execute("update borrowbook set fee = '" + fee + "' where trailnumber ='" + i + "'");
stmt1.execute("update borrowbook set returnmoney = 'no' where trailnumber ='" + i + "'");
}
}
}
}catch (Exception ex){
response.sendRedirect("fail.jsp");
ex.printStackTrace();}
out.write("\r\n</center>\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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