online examination system mini project

i developed a project on online examination system using jsp and java script . I am getting the quetion papers randomly and checking the answers even but now i have a problem related to how should the correct answers and marked answers are to be displayed with the marks secured in a table format by using java script.could you please help me in finding out that..only that part had left for my project completion.please help me out!!

View Answers

July 23, 2012 at 1:24 PM

Create table test(ques,op1,op2,op3,op4,ans) and answers(id,ans). Then try the following code:

1)form.jsp:

<%@page import="java.sql.*"%>
<html>
<form method="post" action="result.jsp">
<table>
<%
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/register","root";, "root");
Statement st=connection.createStatement();
ResultSet rs=st.executeQuery("Select * from test");
int i=1;
while(rs.next()){
%>
<tr><td><%=i%></td><td><%=rs.getString("ques")%></td><td><input type="radio" value="<%=rs.getString("op1")%>" name="radio<%=i%>"/><%=rs.getString("op1")%></td><td><input type="radio" value="<%=rs.getString("op2")%>" name="radio<%=i%>"/><%=rs.getString("op2")%></td><td><input type="radio" value="<%=rs.getString("op3")%>" name="radio<%=i%>"/><%=rs.getString("op3")%></td><td><input type="radio" value="<%=rs.getString("op4")%>" name="radio<%=i%>"/><%=rs.getString("op4")%></td></tr>

<%
i++;
}
%>
<tr><td><input type="submit" value="submit"></td></tr>
</table>
</form>
</html>

2)result.jsp:

<%@page import="java.sql.*"%>

<%
String st[]=new String[10];
for(int i=0;i<st.length;i++){
int j=i+1;
st[i]=request.getParameter("radio"+j);
System.out.println(st[i]);

}
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/register","root";, "root");
Statement stmt=connection.createStatement();
ResultSet rs=stmt.executeQuery("Select ans from answers");
String ans="";
while(rs.next()){
ans+=rs.getString("ans")+" ";
}
int count=0;
String answers[]=ans.split(" ");
for(int i=0;i<answers.length;i++){
if(st[i].equals(answers[i])){
count++;
}
}
out.println("Your "+count+" answers are correct");
%>

For more information, visit the following link:

Struts Online Test Application









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