悲催的二柱子们做小学二年级四则运算题（Javaweb）

 <%@ page language="java" contentType="text/html; charset=utf-8"
  pageEncoding="utf-8"%>
 <!DOCTYPE html>
 <html>
 <head>
 <body background="C:\Users\26624\Desktop/beijing.jpg">
 <meta charset="utf-8">
 <%
    int y = Integer.parseInt(request.getParameter("numbera"));
    int x = Integer.parseInt(request.getParameter("number"));
    String values[] = new String[x];
    int sum[]=new int[x];
    int i;
    for(i=0;i<x;i++)
    {
        int randNumber1 = (int)Math.floor(Math.random()*100+1);
        int randNumber2 = (int)Math.floor(Math.random()*100+1);
        int fuhao=(int)Math.floor(Math.random()*4+1);
        if(fuhao==1){
            values[i]=randNumber1+"+"+randNumber2+"=";
            sum[i]=randNumber1+randNumber2;
        }
        if(fuhao==2){
            if(randNumber1>randNumber2){
                values[i]=randNumber1+"-"+randNumber2+"=";
                sum[i]=randNumber1-randNumber2;
            }
            else{
                values[i]=randNumber2+"-"+randNumber1+"=";
                sum[i]=randNumber2-randNumber1;
            }
        }
        if(fuhao==3){
            if(randNumber1*randNumber2<=100){
                values[i]=randNumber1+"*"+randNumber2+"=";
                sum[i]=randNumber1*randNumber2;
            }
            else{
                randNumber1=1;
                values[i]=randNumber1+"*"+randNumber2+"=";
                sum[i]=1*randNumber2;
            }
        }
        if(fuhao==4){
            if(randNumber1<randNumber2){
                if(randNumber2%randNumber1==0){
                    values[i]=randNumber2+"/"+randNumber1+"=";
                    sum[i]=randNumber2/randNumber1;
                }
                else{
                    if(randNumber2%2==0){
                        randNumber1=2;
                        values[i]=randNumber2+"/"+randNumber1+"=";
                        sum[i]=randNumber2/randNumber1;
                    }
                    else if(randNumber2%3==0){
                        randNumber1=3;
                        values[i]=randNumber2+"/"+randNumber1+"=";
                        sum[i]=randNumber2/randNumber1;
                    }
                    else if(randNumber2%5==0){
                        randNumber1=5;
                        values[i]=randNumber2+"/"+randNumber1+"=";
                        sum[i]=randNumber2/randNumber1;
                    }
                    else{
                        randNumber1=1;
                        values[i]=randNumber2+"/"+randNumber1+"=";
                        sum[i]=randNumber2/randNumber1;
                    }
                }
            }
            else if(randNumber2==0){
                randNumber2=1;
                values[i]=randNumber1+"/"+randNumber2+"=";
                sum[i]=randNumber1/randNumber2;
            }
            else{
                if(randNumber1%randNumber2==0){
                    values[i]=randNumber1+"/"+randNumber2+"=";
                    sum[i]=randNumber1/randNumber2;
                }
                else{
                    values[i]=randNumber1+"/"+randNumber1+"=";
                    sum[i]=randNumber1/randNumber1;
                }
            }
        }
    }
 %>
 <title>小学二年级四则运算</title>
 </head>
 <body>
 <form action="interfacetwo.jsp">
 <table>
   <tr>
    <td>题目</td>
    <td>答案</td>
   </tr>
   <%
   for(int j=0;j<x;){
      %>
   <tr>
    <%
    int k=0;
    while(k<y){
    %>
    <td><%=values[j] %></td>
    <td><input type="text" name="results" /></td>
    <td><input type="hidden" name="answer" value=<%=sum[j] %>></td>
    <%
    if(k<y)
        k++;
    else
        break;
    if(j<x)
        j++;
    else
        break;
    }
    %>
   </tr>
   <%
     }
     %>
     <tr>
     <td>
     <input type="submit" value="提交"/>
     </td>
     </tr>
  </table>
 </form>
 </body>
 </html>

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Insert title here</title>
</head>
<body background="C:\Users\26624\Desktop/beijing.jpg">
<h1>网页版四则运算自动出题系统</h1>
<form action="test.jsp" method="get">
<form action="interfacetwo.jsp" method="get">
<table>
<tr>
    <td>总题数</td>
    <td>
    <input type="text" name="number">
    </td>
</tr>
<tr>
    <td>每行题数</td>
    <td>
    <input type="text" name="numbera">
    </td>
</tr>
<tr>
    <td>
    <input type="submit" value="开始答题"/>
    </td>
</tr>
</table>
</form>
</body>
</html>

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html>
<html>
<head>
<body background="C:\Users\26624\Desktop/beijing.jpg">
<meta charset="utf-8">
<title>Insert title here</title>
</head>
<body background="C:\Users\26624\Desktop/beijing.jpg">
<%
String results[] = request.getParameterValues("results");
String answer[] = request.getParameterValues("answer");
int tr = 0;
int fa = 0;
for(int i=0;i<results.length;i++){
 if(results[i].equals(answer[i])){
  tr++;%>
  <p>第<%=i+1 %>题正确</p>
  <%
 }else{
  fa++;%>
  <p>第<%=i+1 %>题错误,正确答案为<%=answer[i] %></p>
  <%
 }
}
%>
<h2>
   答对了<%=tr %>题，答错了<%=fa %>题
</h2>
  <form action="interfaceone.jsp">
  <input type="submit" value="重新开始答题"/></td>
  <a href="interfacethree.jsp"> 结束<a>
</body>
</html>

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Insert title here</title>
</head>
<body background="C:\Users\26624\Desktop/beijing.jpg">
本次答题结束
</body>
</html>