savedata_jsp.java

一个很好的在线投票系统

package org.apache.jsp.admin;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;
import java.util.*;

public final class savedata_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {


 String convert(String str)
 {
  byte newstr[] = new byte[str.length()];
  for(int i=0;i<str.length();i++)
   newstr[i]=(byte)str.charAt(i);
  return new String(newstr);
 }
 String Replace(String str)
 {
  int index=0;
  while((index=str.indexOf("\n")) != -1)
   str = str.substring(0,index) +"<br>"+ str.substring(index+1);
  return(str);
 }


 String sqlstring;
 ResultSet rs=null;

 int isempty(String str)  //判断递交的字符串是否为空
 {
  if(str.length() ==0)
    return (0);
  else return (1);
 }


 String transfer(int i)   //将时间数值转换为标准格式
 {
  if(i>=10)
   return (String.valueOf(i));
  else return ("0"+String.valueOf(i));
 }

  private static java.util.Vector _jspx_dependants;

  static {
    _jspx_dependants = new java.util.Vector(2);
    _jspx_dependants.add("/admin/convert.jsp");
    _jspx_dependants.add("/admin/check.jsp");
  }

  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,
      			null, 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");
      out.write("\r\n");
      out.write("\r\n");
      out.write('\r');
      out.write('\n');
      out.write('\r');
      out.write('\n');

//ÑéÖ¤¹ÜÀíÔ±ÊÇ·ñÒѾ­µÇ½
  if((String)session.getValue("Enter")!="true")
   {
     String errmsg="error2";
     response.sendRedirect("login.jsp?errmsg="+errmsg);
   }

      out.write('\r');
      out.write('\n');
      database.opendata sqltest = null;
      synchronized (_jspx_page_context) {
        sqltest = (database.opendata) _jspx_page_context.getAttribute("sqltest", PageContext.PAGE_SCOPE);
        if (sqltest == null){
          sqltest = new database.opendata();
          _jspx_page_context.setAttribute("sqltest", sqltest, PageContext.PAGE_SCOPE);
          out.write('\r');
          out.write('\n');
        }
      }
      out.write('\r');
      out.write('\n');
      out.write('\r');
      out.write('\n');
      out.write('\r');
      out.write('\n');

 String question = request.getParameter("question");
 String item[] = {request.getParameter("item1"),request.getParameter("item2"),
                  request.getParameter("item3"),request.getParameter("item4"),
                  request.getParameter("item5"),request.getParameter("item6"),
                  request.getParameter("item7"),request.getParameter("item8"),
                  request.getParameter("item9"),request.getParameter("item0"),};
 if((isempty(item[0])+isempty(item[1])+isempty(item[2])+isempty(item[3])+
    isempty(item[4])+isempty(item[5])+isempty(item[6])+isempty(item[7])+
    isempty(item[8])+isempty(item[9]))==0)
 {
  String errmsg = "选项不得全部为空！！！";
  out.print("<center><font color=green size=5>错误信息<hr></font><font color=red>"+errmsg+"</font><hr>");
  out.print("<input type=button value=回上一页 onclick=history.back()>");
 }
 else if((isempty(item[0])+isempty(item[1])+isempty(item[2])+isempty(item[3])+
    isempty(item[4])+isempty(item[5])+isempty(item[6])+isempty(item[7])+
    isempty(item[8])+isempty(item[9]))<2)
 {
  String errmsg = "选项至少为两个！！！";
  out.print("<center><font color=green size=5>错误信息<hr></font><font color=red>"+errmsg+"</font><hr>");
  out.print("<input type=button value=回上一页 onclick=history.back()>");
 }
 else if(question.length()==0)
 {
  String errmsg = "问题不可为空！！！";
  out.print("<center><font color=green size=5>错误信息<hr></font><font color=red>"+errmsg+"</font><hr>");
  out.print("<input type=button value=回上一页 onclick=history.back()>");
 }
 else
 {
  int year,month,day,hour,minute,second;
  String time;
  GregorianCalendar calendar;
  calendar = new GregorianCalendar();
  year = calendar.get(Calendar.YEAR);
  month = calendar.get(Calendar.MONTH)+1;
  day = calendar.get(Calendar.DAY_OF_MONTH);
  hour = calendar.get(Calendar.HOUR_OF_DAY);
  minute = calendar.get(Calendar.MINUTE);
  second = calendar.get(Calendar.SECOND);
  time = year +"-"+transfer(month)+"-" + transfer(day) +" "+transfer(hour)+":"+transfer(minute)+":"+transfer(second);

  sqlstring = "insert into Questions(Question,Date) values('"+question+"','"+time+"')";
  sqltest.executeUpdate(sqlstring);

  sqlstring = "select QuestionID from Questions where Date= '"+time+"'";//利用新建立的时间查找新建立的题目的ID号
  rs = sqltest.executeQuery(sqlstring);
  int questionid = 0;
 // rs.beforeFirst();
  while(rs.next())
  {
   questionid = rs.getInt(1);
  }
  for(int i = 0;i<=9;i++)
  {
   if(isempty(item[i])==1)
   {
    sqlstring = "insert into Items(Item,QuestionID) values('"+item[i]+"','"+questionid+"')";
    sqltest.executeUpdate(sqlstring);
   }
  }
  response.sendRedirect("mainform.jsp");
 }

      out.write("\r\n");
      out.write("<html>\r\n");
      out.write("<title>错误信息</title>\r\n");
      out.write("</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);
    }
  }
}