小学口算题卡——计应191第一组邱爽

时间：2021-06-02 18:41:42 阅读：0 评论：0 收藏：0 [点我收藏+]

标签：color cli web center equal rac doctype sdi asc

一、用户故事

　　　　小学生家长需要一款软件，能够一次出10道100以内的正整数加减运算。

二、需求分析

　　　　1、随机出题，不能超纲

　　　　2、不能产生结果为负数

　　　　3、自动阅卷

　　　　4、计时器

三、具体设计

技术图片

四、核心代码

　　Great接口

 1 package cn.dao;
 2 
 3 import cn.entity.Ti;
 4 
 5 public interface Great {
 6     public Ti OneGreat(Ti ti);
 7     public void TwoGreat();
 8     public void ThreeGreat();
 9 }

　　Ti类：保存题目、答案

 1 package cn.entity;
 2 
 3 import java.util.HashMap;
 4 import java.util.Map;
 5 
 6 public class Ti {
 7     private int number1,number2,symbolIndex;
 8     private static Map<Integer, String> TiMuMap = new HashMap<Integer, String>();//题目
 9     private static Map<Integer, Integer> DaAnMap = new HashMap<Integer, Integer>();//答案
10     public void setDaAnMap(Map<Integer, Integer> daAnMap) {
11         DaAnMap = daAnMap;
12     }
13     public int getNumber1() {
14         return number1;
15     }
16     public void setNumber1(int number1) {
17         this.number1 = number1;
18     }
19     public int getNumber2() {
20         return number2;
21     }
22     public void setNumber2(int number2) {
23         this.number2 = number2;
24     }
25     public Map<Integer, String> getTiMuMap() {
26         return TiMuMap;
27     }
28     public void setTiMuMap(Map<Integer, String> tiMuMap) {
29         TiMuMap = tiMuMap;
30     }
31     public int getSymbolIndex() {
32         return symbolIndex;
33     }
34     public void setSymbolIndex(int symbolIndex) {
35         this.symbolIndex = symbolIndex;
36     }
37     
38     public Map<Integer, Integer> getDaAnMap() {
39         return DaAnMap;
40     }
41     public Ti(Map<Integer, String> tiMuMap, Map<Integer, Integer> daAnMap) {
42         super();
43         TiMuMap = tiMuMap;
44         DaAnMap = daAnMap;
45     }
46     public Ti() {}
47     @Override
48     public String toString() {
49         return "Ti [number1=" + number1 + ", number2=" + number2 + ", symbolIndex=" + symbolIndex + ", TiMuMap="
50                 + TiMuMap + ", DaAnMap=" + DaAnMap + "]";
51     }
52     
53 }

　　JiSuan类：写各个年级的出题规范

 1 package cn.impl;
 2 
 3 import java.util.HashMap;
 4 import java.util.Map;
 5 
 6 import cn.dao.Great;
 7 import cn.entity.Ti;
 8 
 9 public class JiSuan implements Great {
10     Map<Integer, String> tMap = new HashMap<Integer, String>();
11     Map<Integer, Integer> dMap = new HashMap<Integer, Integer>();
12     String[] symbol = { "+", "-", "*", "/" };
13     //一年级出题形式
14     @Override
15     public Ti OneGreat(Ti ti) {
16         System.out.println("OneGreat()...");
17         int i = 1;
18         while (true) {
19             // 随机生成两个数字
20             ti.setNumber1((int) (Math.random() * 101));
21             ti.setNumber2((int) (Math.random() * 101));
22             ti.setSymbolIndex((int) (Math.random() * 2));
23 
24             if (ti.getNumber1() >= ti.getNumber2() && ti.getSymbolIndex() == 1 && ti.getNumber2() != 0) {
25                 tMap.put(i, ti.getNumber1() + symbol[ti.getSymbolIndex()] + ti.getNumber2() + "=");
26                 dMap.put(i, ti.getNumber1() - ti.getNumber2());
27                 i++;
28             } else if (ti.getSymbolIndex() == 0 && ti.getNumber1() + ti.getNumber2() <= 100 && ti.getNumber1() != 0
29                     && ti.getNumber2() != 0) {
30                 tMap.put(i, ti.getNumber1() + symbol[ti.getSymbolIndex()] + ti.getNumber2() + "=");
31                 dMap.put(i, ti.getNumber1() + ti.getNumber2());
32                 i++;
33             }
34             if (i == 11) {
35                 ti.setTiMuMap(tMap);
36                 ti.setDaAnMap(dMap);
37                 return ti;
38             }
39         }
40     }
41     //二年级出题形式
42     @Override
43     public void TwoGreat() {
44         // TODO Auto-generated method stub
45 
46     }
47     //三年级出题形式
48     @Override
49     public void ThreeGreat() {
50         // TODO Auto-generated method stub
51 
52     }
53 
54 }

　　begin.jsp：开始界面

 1 <%@ page language="java" contentType="text/html; charset=UTF-8"
 2     pageEncoding="UTF-8"%>
 3 <!DOCTYPE html>
 4 <html>
 5 <head>
 6 <meta charset="UTF-8">
 7 <title>Insert title here</title>
 8 </head>
 9 <body>
10 <h1>登录</h1>
11     <form action="/CalculateTheMouthCard/First" method="post">
12     <select name="great">
13         <option>一年级</option>
14         <option>二年级</option>
15     </select>
16     <p><input type="submit" value="登录"></p>
17 </form>
18 </body>
19 </html>

　　Fiest类：得到年级从而到达指定出题规范

 1 package cn.itcast;
 2 
 3 import java.io.IOException;
 4 import javax.servlet.ServletException;
 5 import javax.servlet.http.HttpServlet;
 6 import javax.servlet.http.HttpServletRequest;
 7 import javax.servlet.http.HttpServletResponse;
 8 
 9 import cn.entity.Ti;
10 import cn.impl.JiSuan;
11 
12 public class First extends HttpServlet {
13     private static final long serialVersionUID = 1L;
14     protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
15         request.setCharacterEncoding("utf-8");
16         String great = request.getParameter("great");
17         if (great.equals("一年级")) {
18             response.sendRedirect("/CalculateTheMouthCard/One");
19         }
20         
21     }
22 
23     /**
24      * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
25      */
26     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
27         // TODO Auto-generated method stub
28         doGet(request, response);
29     }
30 
31 }

　　One类：将题传至前端

 1 package cn.tools;
 2 
 3 import java.io.IOException;
 4 import java.io.PrintWriter;
 5 import java.util.Map;
 6 import java.util.Map.Entry;
 7 
 8 import javax.servlet.RequestDispatcher;
 9 import javax.servlet.ServletException;
10 import javax.servlet.http.HttpServlet;
11 import javax.servlet.http.HttpServletRequest;
12 import javax.servlet.http.HttpServletResponse;
13 
14 import cn.entity.Ti;
15 import cn.impl.JiSuan;
16 
17 public class One extends HttpServlet {
18     private static final long serialVersionUID = 1L;
19     
20     protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
21         Ti ti = new Ti();
22         JiSuan jiSuan = new JiSuan();
23         Ti oneGreat = jiSuan.OneGreat(ti);
24         Map<Integer, String> tiMuMap = oneGreat.getTiMuMap();
25         Map<Integer, Integer> daAnMap = oneGreat.getDaAnMap();
26         System.out.println("One:"+tiMuMap);
27         System.out.println("One"+daAnMap);
28         response.setContentType("text/html;charset=utf-8");
29         PrintWriter out = response.getWriter();
30         //将题目传至前端
31         for(Entry<Integer, String> entry : tiMuMap.entrySet()) {
32             Integer mapKey = entry.getKey();
33             String mapValue = entry.getValue();
34             request.setAttribute("t"+mapKey, mapValue);
35         }
36         RequestDispatcher dispatcher = request.getRequestDispatcher("/One.jsp");
37         dispatcher.forward(request, response);
38         out.close();
39     }
40 
41     /**
42      * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
43      */
44     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
45         // TODO Auto-generated method stub
46         doGet(request, response);
47     }
48 
49 }

　　One.jsp：出题界面

  1 <%@ page language="java" contentType="text/html; charset=UTF-8"
  2     pageEncoding="UTF-8"%>
  3 <!DOCTYPE html>
  4 <html>
  5 <head>
  6 <meta charset="UTF-8">
  7 <title>一年级</title>
  8 <script type="text/javascript" src="js/ajax.js"></script>
  9 <script type="text/javascript" src="js/jquery-3.5.1.js"></script>
 10 <script type="text/javascript">
 11     //计时器
 12     var shijian = self.setInterval("clock()", 1000);
 13     var t = 0;
 14     function clock() {
 15         t++;
 16         document.getElementById("clock").value = t;
 17     }
 18 
 19     //ajax判断对错
 20     function light() {
 21         $("#btn").attr("disabled","disabled");//设置阅卷按钮只能点击一次
 22         var xhr = getXhr();
 23         var can = "?clock="+$("#clock").val();
 24         for (var i = 1; i <= 10; i++) {
 25             if($("#d"+i).val() == ""){//判断学生是否答题，没有答题为k(空)
 26                 can = can+",k";
 27             }else{
 28                 can = can+‘,‘+$("#d"+i).val()
 29             }
 30         }
 31         var uri="Light.do"+can;
 32         xhr.open("get", uri, true);
 33         xhr.onreadystatechange = function() {
 34             if (xhr.readyState == 4 && xhr.status == 200) {
 35                 var accuracy = 0;//正确率
 36                 for (var i = 1; i <= 10; i++) {
 37                     var txt = xhr.responseText;
 38                     $("#s"+i).append(‘<img src="image/‘+txt[i-1]+‘.png" />‘);
 39                     $("#d"+i).attr("readonly","readonly");//阅卷后为只读
 40                     //查看正确率
 41                     if(txt[i-1] == "y"){
 42                         accuracy += 10;
 43                     }
 44                 }
 45                 $("#accuracy").val(accuracy);
 46             };
 47         };
 48         xhr.send(null);
 49     }
 50 </script>
 51 <style type="text/css">
 52 .a {
 53     width: 100px;
 54     height: 30px;
 55     margin-left: 10px;
 56 }
 57 
 58 .box {
 59     width: 300px;
 60 }
 61 
 62 .time {
 63     width: 50px;
 64     height: 20px;
 65     font-size: 16px;
 66     text-align: center;
 67 }
 68 
 69 .xbox {
 70     display: block;
 71     width: 10px;
 72     height: 10px;
 73     border: 1px red solid;
 74 }
 75 span{
 76     margin-left: 20px;
 77 }
 78 </style>
 79 </head>
 80 <body>
 81     <div class="box">
 82         <form action="begin.jsp" method="get">
 83             <p>
 84                 计时器：<input type="text" readonly id="clock" class="time" name="time">秒
 85             </p>
 86             <p>
 87                 1、${t1 }<input type="text" class="a" id="d1"><span id="s1"></span>
 88             </p>
 89             <p>
 90                 2、${t2 }<input type="text" class="a" id="d2"><span id="s2"></span>
 91             </p>
 92             <p>
 93                 3、${t3 }<input type="text" class="a" id="d3"><span id="s3"></span>
 94             </p>
 95             <p>
 96                 4、${t4 }<input type="text" class="a" id="d4"><span id="s4"></span>
 97             </p>
 98             <p>
 99                 5、${t5 }<input type="text" class="a" id="d5"><span id="s5"></span>
100             </p>
101             <p>
102                 6、${t6 }<input type="text" class="a" id="d6"><span id="s6"></span>
103             </p>
104             <p>
105                 7、${t7 }<input type="text" class="a" id="d7"><span id="s7"></span>
106             </p>
107             <p>
108                 8、${t8 }<input type="text" class="a" id="d8"><span id="s8"></span>
109             </p>
110             <p>
111                 9、${t9 }<input type="text" class="a" id="d9"><span id="s9"></span>
112             </p>
113             <p>
114                 10、${t10 }<input type="text" class="a" id="d10"><span
115                     id="s10"></span>
116             </p>
117             <p>正确率：<input type="text" id="accuracy" class="time" value="">%</p>
118             <input type="button" id="btn" value="阅卷" onclick="javascript:light();shijian=window.clearInterval(shijian);">
119             <input type="submit" value="提交">
120         </form>
121     </div>
122 </body>
123 </html>

　　Light类：获得学生答案，判断对错，传至前端

 1 package cn.tools;
 2 
 3 import java.io.IOException;
 4 import java.io.PrintWriter;
 5 import java.util.ArrayList;
 6 import java.util.HashMap;
 7 import java.util.List;
 8 import java.util.Map;
 9 import java.util.Map.Entry;
10 import java.util.Set;
11 
12 import javax.servlet.ServletException;
13 import javax.servlet.http.HttpServlet;
14 import javax.servlet.http.HttpServletRequest;
15 import javax.servlet.http.HttpServletResponse;
16 
17 import cn.entity.Ti;
18 
19 /**
20  * 控制题目对错的展示
21  */
22 public class Light extends HttpServlet {
23 
24     @Override
25     protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
26         System.out.println("service()...");
27         resp.setContentType("text/html;charset=utf-8");
28         PrintWriter out = resp.getWriter();
29         String uri = req.getRequestURI();
30         String str = "";//保存学生答案的对错
31         String action = uri.substring(uri.lastIndexOf("/"), uri.lastIndexOf("."));
32         if ("/Light".equals(action)) {
33             // 获得学生答案
34             String clock = req.getParameter("clock");
35             System.out.println("学生答案："+clock);
36             String[] split = clock.split(",");
37             System.out.println("时间:"+split[0]);
38             // 获得正确答案
39             Ti ti = new Ti();
40             Map<Integer, Integer> daAnMap = ti.getDaAnMap();
41             for (Entry<Integer, Integer> entry : daAnMap.entrySet()) {
42                 Integer daAnKey = entry.getKey();
43                 Integer daAnValue = entry.getValue();// 正确答案
44                 System.out.println(daAnKey);
45                 if (split[daAnKey].equals("k") || !Character.isDigit(split[daAnKey].charAt(0))) {
46                     str = str+"n";
47                 }else {
48                     int parseInt = Integer.parseInt(split[daAnKey]);
49                     if (parseInt == daAnValue) {
50                         str = str + "y";
51                     }else {
52                         str = str + "n";
53                     }
54                 }
55             }
56             System.out.println(str);
57             out.println(str);
58         }
59         out.close();
60     }
61 
62 }