软件工程结对作业02

　　要求：把程序变成一个网页程序或智能手机程序，用户通过设定参数，就可以得到各种题目，并可实现在线答题并评判。

　　代码：

首页：

 1 <!DOCTYPE html>
 2 <html>
 3 <head>
 4 <meta charset="UTF-8">
 5 <title>welcom</title>
 6 </head>
 7 <body>
 8 
 9 <body background="images/2.jpg">
10 <div class="STYLE1" style=" 100%; font-family: 楷体; color:red;text-align: center">
11       <h1>
12       <marquee direction="right" scrollamount="4" >欢迎使用四则运算出题器</marquee>
13       </h1>
14       
15     </div>
16     <td align="center">
17  <form action="MyHtml.html" method="post">
18  <center>
19  <div style=" padding:250px">
20  <input type="submit"  name="submit" style="text-align:center,vertical-align:middle;400px;height:70px;background: blue;font-size:20px" value="我已准备好，请开始出题" >
21 <input type="submit"  name="submit" style="text-align:center,vertical-align:middle;400px;height:70px;background: blue;font-size:20px" value="我没准备好，退出系统" onClick="window.close()";>
22 </div></form>
23 </td>
24 </center>
25 </body>
26 </html>

View Code

选择功能界面：

 1 <!DOCTYPE html>
 2 <html>
 3   <head>
 4     <title>功能选择</title>
 5     <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
 6   </head>
 7   <body background="images/6.jpg">
 8    <div class="STYLE1" style=" 100%; font-family: 楷体; color:red; text-align: center">
 9       <h1>
10       <marquee direction="right" scrollamount="4" >欢迎使用四则运算出题器</marquee>
11       </h1>
12     </div>
13   <form action="index.jsp" method="post">
14   <div style=" padding:100px">
15   <center>
16   <br>请输入最大值:
17   <input name="MaxNumber" type="text"><br>
18   <br>请输入最小值:
19   <input name="MinNumber" type="text"><br>
20   <br>请选择是否有乘除:
21   <input type="checkbox" name="function" value=1>有 <br>
22   <br>请选择是否有括号：
23   <input type="checkbox" name="function" value=3>有 <br> <br>
24   </div>
25  </center>
26  <center>
27   <input type="submit" style="text-align:center,vertical-align:100px;height:30px;color: blue" name="submit" value="确定">
28   <input type="button" style="text-align:center,vertical-align:100px;height:30px;color: blue" value="返回" onClick="window.location.href='Welcom.html'">
29   </center>
30   </form>
31   </body>
32 </html>

View Code

答题界面：

 1 <%@ page language="java" contentType="text/html; charset=utf-8"
 2 
 3     pageEncoding="utf-8"%>
 4 <%@ page import="test5.*"%>
 5 <%
 6 String path = request.getContextPath();
 7 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%>
 8 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 9 <html>
10   <head>
11     <base href="<%=basePath%>">
12     
13     <title>答题</title>
14     <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
15   </head>
16   <body background="images/11.gif">
17     <div class="STYLE1" style=" 100%; font-family: 楷体; color:red; text-align: center">
18       <h1>
19       <marquee direction="right" scrollamount="4" >欢迎使用四则运算出题器</marquee>
20       </h1>
21     </div>
22    <%
23    String[] s=new String[30];
24    float k[]=new float[30];
25    Calculate a=new Calculate();
26    request.setCharacterEncoding("UTF-8");
27    String[] function = request.getParameterValues("function");
28    String MaxNumber,MinNumber;
29    MaxNumber=request.getParameter("MaxNumber");
30    MinNumber=request.getParameter("MinNumber");
31    a.SetValue(a.StrToNum(MaxNumber),a.StrToNum(MinNumber));
32    if(function!=null){
33    for(int i=0;i<function.length;i++){
34        if(function[i].equals("1"))
35        {
36            a.SetValue1(1);
37        }
38        if(function[i].equals("3"))
39        {
40            a.SetValue3(0);
41        }
42        }
43    }
44     %>
45     <center>
46    <form action="MyJsp.jsp" method="post">
47    <%
48      a.main();
49      float temp;
50      String[] se=new String[30];
51      for(int i=0;i<30;i++){
52      s[i]=a.cs(i);
53            se[i]="name";
54            se[i]=se[i]+i;
55      k[i]=a.css(i);
56      out.print(s[i]);  
57  %>
58    <input type="text" style="color: blue;50px;height:21px;" name=<%=se[i] %>>
59   <% out.print("&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp"); %>
60    <% 
61    if((i+1)%3==0)
62          out.print("<br><br>");%>
63    <% 
64        } 
65         session.setAttribute( "v1",s);
66         session.setAttribute( "v2",k); 
67     %>
68          </center>
69          
70      
71          <center>
72          <br><input type="submit" style="80px;height:60px;color: blue" name="submit" value="答题完成">
73           <input type="button" style="80px;height:60px;color: blue" value="返回首页" onClick="window.location.href='Welcom.html'">
74          </center>
75   </form>
76   </body>
77 </html>

View Code

判断答对几道题界面：

 1 <%@ page language="java" import="java.util.*" pageEncoding="gb2312" contentType="text/html; charset=gb2312"%>
 2 <%@ page import="test5.*"%>
 3 <%
 4 String path = request.getContextPath();
 5 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
 6 %>
 7 
 8 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 9 <html>
10   <head>
11     <base href="<%=basePath%>">   
12     <title>finally</title>
13   </head>
14  <body background="images/8.jpg">
15   <% request.setCharacterEncoding("UTF-8");%>
16   <div class="STYLE1" style=" 100%; font-family: 楷体; color:red; text-align: center">
17       <h1>
18       <marquee direction="right" scrollamount="4" >谢谢使用四则运算出题器</marquee>
19       </h1>
20     </div>
21   <center>
22   <div style=" padding:250px; font-family: 楷体;font-size:30px; color:blue; text-align: center">
23   <%
24   String[] name=new String[30];
25   String[] sum=new String[30];
26   Calculate a=new Calculate();
27   float sum1[]=new float[30];
28   int right=0;
29   String[] s= (String[])session.getAttribute("v1");
30   float[] k=(float[])session.getAttribute("v2");
31   for(int i=0;i<30;i++)
32       sum1[i]=0;
33   for(int i=0;i<30;i++){
34       name[i]="name";
35       name[i]=name[i]+i;
36       
37       sum[i]=request.getParameter(name[i]);
38           if(((int)(k[i]*100))%100!=0)
39              sum1[i]=a.StrToFloat1(sum[i]);
40           else
41              sum1[i]=a.StrToFloat(sum[i]);
42           if(Math.abs(sum1[i]*100-k[i]*100)<4){
43              right++;
44       }   
45   }
46   out.print("总共做对 "+right+"道题！继续努力！");
47   %><br>
48   <br><br>
49    <input type="button" style="100px;height:70px;background: blue;color: yellow" value="返回首页" onClick="window.location.href='Welcom.html'">
50    <input type="button" style="100px;height:70px;background: blue;color: yellow" value="退出系统" onClick="window.close();">
51     </center>
52     </div>
53   </body>
54 </html>

View Code

主程序，主要功能实现代码：

计算两个数结果：

 1 static float Operate(float first, char oper1, float second)
 2         {
 3             switch (oper1)
 4             {
 5             case '+':
 6             {
 7                 return (first + second);
 8             }
 9             case '-':
10             {
11                 if (first-second<0)
12                 {
13                     IsRep = 1;
14                     return 0;
15                 }
16                         return (first - second);                    
17             }
18             case '*':
19             {
20                 return (first * second);                    
21             }
22             case '/':
23             {
24                         if (second == 0)
25                         {
26                             IsRep = 1;
27                             return 0;
28                         }
29                         return (first / second);
30             }
31             default:  return 0; 
32             }
33         }

View Code

加括号：

 1  static void AddLbracket(){
 2             for (int j = 0; j < 2; j++)
 3                 LBraket[j] = 0;
 4             if (Amount == 2)
 5             {
 6                 BracketNum = 0;
 7             }
 8             if (Amount == 3){
 9                 BracketNum = (int)((Math.random())*2);
10             }
11             if (Amount > 3)
12             {
13                 BracketNum = (int)((Math.random())*3);
14             }
15             for (int i = 0; i < BracketNum; i++){
16                 LBraket[i] = 1 + (int)((Math.random())*(Amount - 2));
17             }
18         }
19         //加右括号
20         static void AddRbracket(){
21             for (int j = 0; j < 2; j++)
22                 RBraket[j] = 0;
23             int choose;
24             int trance;
25             if (BracketNum == 1){
26                 RBraket[0] = LBraket[0] + 1 +(int)((Math.random())* (Amount - LBraket[0]));
27             }
28             if (BracketNum == 2)
29             {
30                 //把最左边的左括号放在第一个数组中
31                 if (LBraket[0] < LBraket[1])
32                 {
33                     trance = LBraket[0];
34                     LBraket[0] = LBraket[1];
35                     LBraket[1] = trance;
36                 }
37                 //当两个左括号之间相差有点远时有2中右括号添加方法
38                 if (LBraket[0] - LBraket[1]>2){
39                     choose = (int)((Math.random())*2);
40                     if (choose == 0){
41                         RBraket[0] = LBraket[0] + 1 + (int)((Math.random())*(Amount - LBraket[0]));
42                         RBraket[1] = LBraket[0] + 1 + (int)((Math.random())*(Amount - LBraket[0]));
43                     }
44                     if (choose == 1)
45                     {
46                         RBraket[0] = LBraket[0] + 1 + (int)((Math.random())*(Amount - LBraket[0]));
47                         RBraket[1] = LBraket[1] + 1 + (int)((Math.random())*(LBraket[0] - 2));
48                     }
49                 }
50                 else
51                 {
52                     RBraket[0] = LBraket[0] + 1 + (int)((Math.random())*(Amount - LBraket[0]));
53                     RBraket[1] = LBraket[0] + 1 + (int)((Math.random())*(Amount - LBraket[0]));
54                     if (LBraket[0] == LBraket[1] && RBraket[0] == RBraket[1]){
55                         LBraket[0] = LBraket[1] = 0;
56                         RBraket[0] = RBraket[1] = 0;
57                         BracketNum = 0;
58 
59                     }
60                     if (LBraket[1] == 1 && (RBraket[0] == Amount || RBraket[1] == Amount))
61                     {
62                         LBraket[0] = LBraket[1] = 0;
63                         RBraket[0] = RBraket[1] = 0;
64                         BracketNum = 0;
65                     }
66                 }
67             }
68         }

View Code

随机生成操作符：

 1 static void Operater()
 2         {
 3             int choose;
 4             char op='+';
 5             if (IsMulDlvExist == 1)
 6                 choose = 1 + (int)((Math.random())* 4);
 7             else
 8                 choose = 1 + (int)((Math.random())*2);
 9             switch (choose)
10             {
11                 case 1:{op = '+'; lastOp = '+'; break; }
12                 case 2:{op = '-';  lastOp = '-'; break; }
13                 case 3:{op = '*';  lastOp = '*'; break; }
14                 case 4:
15                 {
16                           //防止连续除法产生运算误区
17                           op = '/';
18                           if (lastOp == '/')
19                               IsRep = 1;
20                           else
21                               lastOp = '/';
22                           break;
23                 }
24             }
25             formula += op;
26         }

View Code

创建算式：

 1  static void CreateNumber(){
 2             for (int k = 1; k <= Amount; k++)
 3             {
 4 
 5                 for (int i = 0; i < 2; i++){
 6                     if (LBraket[i] == k)
 7                         formula += "(";
 8                 }
 9                     Integer();
10                 for (int j = 0; j < 2; j++){
11                     if ((RBraket[j] == k) && RBraket[j] != 0)
12                         formula += ")";
13                 }
14                 if (k == Amount)
15                     formula += "=";
16                 else
17                     Operater();
18             }
19         }

View Code

运行截图：

缺陷记录日志：

不能产生分数，另外不能判断是否有负数。

时间记录日志：

在求数组中最大子数组的和03这篇日志博客中