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📄 savedata.jsp

📁 这个主要是运用JAVA+JAVABEAN实现的网上投票调查系统
💻 JSP
字号:
<%@page import="java.sql.*"%>
<%@page import="java.util.*"%>
<%@page contentType="text/html;charset=GB2312"%>
<%@include file="opendata.jsp"%>
<%@include file="convert.jsp"%>
<%@include file="check.jsp"%>
<%!
 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));
 }
%>
<%
request.setCharacterEncoding("GBK");
 String question = request.getParameter("question");
 String utime=(new java.util.Date()).toLocaleString();
  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(question != null && question.length() >0) {
	 ResultSet tmpRs = smt.executeQuery("select max(QuestionID) As maxid from Questions");
    tmpRs.next();
    int max_id = tmpRs.getInt("maxid") + 1;
    tmpRs.close();
  

  sql="INSERT INTO Questions(QuestionID,Question,Date1) VALUES ("+max_id+",'"+question+"','"+utime+"')";
  smt.executeUpdate(sql);
 }
try{
 sql="select QuestionID from Questions where Date1= '"+utime+"'";//利用新建立的时间查找新建立的题目的ID号
 rs = smt.executeQuery(sql);
  
  int questionid = 0;   //
  rs.beforeFirst();
  while(rs.next())
   {questionid = rs.getInt(1);}
  
  for(int i = 0;i<=9;i++)
  {
   if(isempty(item[i])==1)
   {
    ResultSet tmpRs1 = smt.executeQuery("select max(ItemID) As m_id from Items");
    tmpRs1.next();
    int id = tmpRs1.getInt("m_id") + 1;
    tmpRs1.close();
    sql="insert into Items(ItemID,QuestionID,Item) values('"+id+"','"+questionid+"','"+item[i]+"')";
    smt.executeUpdate(sql);
	
   }
  }
  response.sendRedirect("mainform.jsp");
 }catch(Exception e){
  out.println(e.getMessage());
  }
%>
<html>
<title>错误信息</title>
</html>

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