📄 savedata.jsp
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<%@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));
}
%>
<%
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);
sql = "insert into Questions(Question,Date) values('"+question+"','"+time+"')";
smt.executeUpdate(sql);
sql = "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 = smt.executeQuery(sql);
int questionid = 0; //很奇怪，不初始化为0，就不能编译通过：（
rs.beforeFirst();
while(rs.next())
{
questionid = rs.getInt(1);
}
for(int i = 0;i<=9;i++)
{
if(isempty(item[i])==1)
{
sql = "insert into Items(Item,QuestionID) values('"+item[i]+"','"+questionid+"')";
smt.executeUpdate(sql);
}
}
response.sendRedirect("mainform.jsp");
}
%>
<html>
<title>错误信息</title>
</html>
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