四则运算出题机之JAVAWEB版
要求还是和之前的出题形式一样
begin.jpg
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>选择题数页面</title> </head> <body style="background: url(images/1.jpg); background-size:100%"> <form name="form1" action="chuti.jsp" onsubmit="return check(form1);"> <h2 align="center">四则运算自动出题机</h2> <table align="center"> <tr> <td>题数</td> <td><input type="text" name="number" value="" placeholder="请输入题数" onchange="checkti(form1)"></td> </tr> <tr> <td>每行个数</td> <td><input type="text" name="hang" value="" placeholder="请输入每行输出几个" onchange="checkhang(form1)"></td> </tr> <tr> <td><input type="submit" value="提交"></td> </tr> </table> <script type="text/javascript"> function check(form1) { var num = form1.number.value; var hang=form1.hang.value; if(num.length==0) { alert("题数不能为空"); form1.number.value=""; form1.number.focus(); return false; } if(hang.length==0) { alert("每行个数不为空"); form1.hang.value=""; form1.hang.focus(); return false; } } function checkti(form1) { var num = form1.number.value; if(num=="") { alert("题数不能为空"); form1.number.value=""; form1.number.focus(); return false; } } function checkhang(form1) { var hang=form1.hang.value; if(hang.length==0) { alert("每行个数不为空"); form1.hang.value=""; form1.hang.focus(); return false; } } </script> </form> </body> </html>
chuti.jpg
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>出题界面</title> </head> <body style="background: url(images/2.jpg); background-size:100%"> <% int h=Integer.parseInt(request.getParameter("hang")); int x=Integer.parseInt(request.getParameter("number")); String value[]=new String[x]; String answer[]=new String[x]; int i; for(i=0;i<x;) { int num1=(int)(1+(Math.random()*100)); int num2=(int)(1+(Math.random()*100)); int f=(int)(1+(Math.random()*4)); if(f==1) { value[i]=num1+"+"+num2+"="; answer[i]=num1+num2+""; i++; } else if(f==2&&num1>=num2) { value[i]=num1+"-"+num2+"="; answer[i]=num1-num2+""; i++; } else if(f==3&&num1*num2<100) { value[i]=num1+"*"+num2+"="; answer[i]=num1*num2+""; i++; } else if(f==4&&num2!=0&&num1%num2==0) { value[i]=num1+"/"+num2+"="; answer[i]=num1/num2+""; i++; } else continue; } %> <h2 align="center">练习题</h2> <form action="panduan.jsp"> <table align="center"> <% int k; for(int j=0;j<x;) { k=0; %> <tr> <% while(k<h) { %> <td><%=value[j] %></td> <td><input type="hidden" name="value" value=<%=value[j] %>></td> <td><input type="text" name="result" /></td> <td><input type="hidden" name="answer" value=<%=answer[j] %>></td> <% j++; k++; if(j>=x) break; } %> </tr> <% } %> <tr> <td><input type="submit" value="提交"></td> </tr> </table> </form> </body> </html>
panduan.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>判断对错</title> </head> <body text="red" style="background: url(images/3.jpg); background-size:100%"> <% int a=0,b=0,c=0,i,k=0; String result[]=request.getParameterValues("result"); String answer[]=request.getParameterValues("answer"); String values[]=request.getParameterValues("value"); for(i=0;i<values.length;i++) { values[i]+=result[i]; if(result[i].equals("")) { %> <p align="center"><%=values[i] %>，该题没有填写，正确答案为<%=answer[i] %></p> <% a++; } else if(result[i].equals(answer[i])) { %> <p align="center"><%=values[i] %>，回答正确。</p> <% b++; } else { %> <p align="center"><%=values[i] %>，回答错误，正确答案为<%=answer[i] %></p> <% c++; } } %> <h2 align="center">总共<%=values.length %>道题，回答正确<%=b %>道，回答错误<%=c %>道，没有作答<%=a %>道。</h2> <p align="center" ><a href="begin.jsp">重新做答</a></p> <p align="center" ><a href="jieshu.jsp">结束</a></p> </body> </html>
jieshu.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>结束界面</title>
</head>
<body style="background: url(images/4.jpg); background-size:100%">
<h1 align="center">结束</h1>
</body>
</html>
流程截图
这就是javaweb版的四则运算出题机。