四则运算网页版
、jiemian.jsp:设置题目数量和格式
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>设置</title>
</head>
<body text="black" style="background: url(img/mai1.jpeg);background-size:100%">
<form action="yunsuan.jsp" method="get"/>
<form action="jiaoyan.jsp" method="get"/>
<div align="center" valign="center">
<div style="
出题数目<input type="text" name="number" id="number"/>
</div>
<div style="
每行数目<input type="text" name="num" id="num"/>
</div>
<input type="submit" value="提交"/>
</div>
</body>
</html>
2、yunduan.jsp:出题
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<body text="black" style="background: url(img/mai2.jpeg);background-size:100%">
<%
int x = Integer.parseInt(request.getParameter("number"));
int y = Integer.parseInt(request.getParameter("num"));
String suanshi[]=new String[x];
int sum[]=new int[x];
int w=0;
for(int i=0;i<x;i++)
{
int n1=(int)Math.floor(Math.random()*100+1);
int n2=(int)Math.floor(Math.random()*100+1);
String fuhao[]=new String[4];
int f=(int)Math.floor(Math.random()*4+1);
if(f==1)
{
suanshi[i]=n1+"+"+n2+"=";
sum[i]=n1+n2;
}
else if(f==2)
{
if(n1>n2)
{
suanshi[i]=n1+"-"+n2+"=";
sum[i]=n1-n2;
}
else
{
suanshi[i]=n2+"-"+n1+"=";
sum[i]=n2-n1;
}
}
else if(f==3)
{
suanshi[i]=n1+"*"+n2+"=";
sum[i]=n1*n2;
}
else if(f==4)
{
if(n2!=0)
{
suanshi[i]=n1+"/"+n2+"=";
sum[i]=n1/n2;
}
else
{
suanshi[i]=n2+"/"+n1+"=";
sum[i]=n2/n1;
}
}
if((i+1)%y==0)
{
w++;
System.out.println();
}
}
%>
<title>出题</title>
</head>
<body>
<form action="jiaoyan.jsp"/>
<table>
<% for(int i=0;i<w;i++)
{%>
<tr>
<%
for(int h=i*(y-1);h<=i*(y-1)+y-1;h++){
%>
<td><%=suanshi[h] %></td>
<td><input type="text" name="sdaan" /></td>
<td><input type="hidden" name="zdaan" width="40px" value=<%=sum[h] %>></td>
<%}%>
</tr>
<tr>
<%
}if(w*y<x)
{ for(int j=w*y;j<x;j++)
{%>
<td><%=suanshi[j] %></td>
<td><input type="text" name="sdaan" id="sdaan"/></td>
<td><input type="hidden" name="zdaan" id="zdaan" value=<%=sum[j] %>></td>
<%}} %>
</tr>
<tr>
<td>
<input type="submit" value="提交"/>
</td>
</tr>
</table>
</body>
</html>
3、jiaoyan.jsp：判断答案是否正确并输出正确答案
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>校对答案</title>
</head>
<body text="black" style="background: url(img/mai3.jpeg);background-size:100%">
<%
int z=0;
int c=0;
String sdaan[]=request.getParameterValues("sdaan");
String zdaan[]=request.getParameterValues("zdaan");
for(int i=0;i<sdaan.length;i++)
{
if(sdaan[i].equals(zdaan[i]))
{
z++;%>
<p>第<%=i+1 %>正确</p>
<%
}
else
{
c++;%>
<p>第<%=i+1 %>不正确,输入为<%=sdaan[i]%>,正确答案是<%=zdaan[i] %></p>
<%
}
}
%>
<p>你答对了<%=z %>道题，答错了<%=c %>道题</p>
<form action="shu01.jsp"></form>
<input type="submit" value="重新答题"/>
</body>
</html>
