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web版本四则运算
//Szys.jsp
1 <%@ page language="java" contentType="text/html; charset=utf-8" 2 pageEncoding="utf-8"%> 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 4 <html> 5 <head> 6 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 7 <title>四则运算</title> 8 </head> 9 <script> 10 function myFunction() 11 { 12 var x=document.getElementById("demo").value; 13 if(x==""||isNaN(x)) 14 { 15 alert("限制条件输入错误,请重新输入"); 16 } 17 } 18 </script> 19 <body> 20 <form mehod="post" action="ct.jsp"> 21 <center> 22 请输入出题数目:<input id="demo" type="test" name="numbers"><br><br> 23 请输入出题的运算元数最大值:<input id="demo" type="test" name="yuanshu"><br><br> 24 请输入出题中最大数字:<input id="demo" type="test" name="fanwei"><br><hr> 25 是否含有乘除法:<input type="radio" name="chengchu" value=http://www.mamicode.com/1>是 26 <input type="radio" name="chengchu" value=http://www.mamicode.com/0>否
"color: #008080">27 是否含有括号:<input type="radio" name="kuohao" value=http://www.mamicode.com/1>是 28 <input type="radio" name="kuohao" value=http://www.mamicode.com/0>否
"color: #008080">29 是否包含假分数:<input type="radio" name="jiafenshu" value=http://www.mamicode.com/1>是 30 <input type="radio" name="jiafenshu" value=http://www.mamicode.com/0>否
"color: #008080">31 <input type="submit" onclick="myFunction()" value="http://www.mamicode.com/出题"> 32 <input type="reset" value="http://www.mamicode.com/重置"> 33 </center> 34 </form> 35 </body> 36 </html>
//ct.jsp
1 <%@ page language="java" contentType="text/html; charset=utf-8" 2 pageEncoding="utf-8"%> 3 <%@ page import="java.util.*"%> 4 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 5 <html> 6 <head> 7 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 8 <title>请回答题目</title> 9 </head> 10 <body> 11 <form action="judge.jsp" method="post"> 12 <% 13 int numbers=Integer.parseInt(request.getParameter("numbers")); 14 int yuanshu=Integer.parseInt(request.getParameter("yuanshu")); 15 int fanwei=Integer.parseInt(request.getParameter("fanwei")); 16 int chengchu=Integer.parseInt(request.getParameter("chengchu")); 17 int kuohao=Integer.parseInt(request.getParameter("kuohao")); 18 int jiafenshu=Integer.parseInt(request.getParameter("jiafenshu")); 19 int i,n; 20 int dzs;//定制题的数目; 21 int js = 1;//题目序号计数; 22 int szs ;//字符随机产生的个数 23 int fhs;//符号产生的个数 24 int[] re = new int[numbers]; 25 int[] result = new int[numbers]; 26 dzs=numbers; 27 int number[]=new int[10000000]; 28 char fu[]=new char[10000000]; 29 char fu2[]=new char[10000000]; 30 char c[]={‘+‘,‘-‘,‘*‘,‘/‘}; 31 char d[]={‘+‘,‘-‘}; 32 //生成题目的随机数数组 33 for(i=0;i<10000000;i++) 34 { 35 int x=(int)(Math.random()*fanwei); 36 number[i]=x; 37 } 38 //生成随机符号的数组 39 for(i=0;i<10000000;i++) 40 { 41 Random random=new Random(); 42 int index=random.nextInt(c.length); 43 int index2=random.nextInt(c.length-2); 44 char resultChar=c[index]; 45 char resultChar2=d[index2]; 46 fu[i]=resultChar; 47 fu2[i]=resultChar2; 48 49 } 50 51 //输出题目 52 if(chengchu==1&&jiafenshu==1&&kuohao==0) 53 { 54 for(n=0;n<dzs;n++) 55 { 56 Random random1=new Random();//随机运算数字数以及符号数 57 szs = random1.nextInt(yuanshu)%(yuanshu-2+1)+2; 58 fhs=szs-1; 59 out.print(js+". "); 60 for(i=0;i<szs-1;i++) 61 { 62 Random random2=new Random(); 63 int op=random2.nextInt(1000000);//数组内的随机调用所用的下表随机减少重复 64 out.print(number[op]); 65 out.print(fu[op]); 66 } 67 Random random2=new Random(); 68 int op=random2.nextInt(1000000);//数组内的随机调用所用的下表随机减少重复 69 out.print(number[op]); 70 out.print(" = "+"<br>"); 71 js++; 72 %> 73 <input type="text" name=<%=re[n]%>><br> 74 <% 75 } 76 } 77 if(chengchu==0&&jiafenshu==1&&kuohao==0) 78 { 79 for(n=0;n<dzs;n++) 80 { 81 Random random1=new Random();//随机运算数字数以及符号数 82 szs = random1.nextInt(yuanshu)%(yuanshu-2+1)+2; 83 fhs=szs-1; 84 out.print(js+". "); 85 for(i=0;i<szs-1;i++) 86 { 87 Random random2=new Random(); 88 int op=random2.nextInt(1000000);//数组内的随机调用所用的下表随机减少重复 89 out.print(number[op]); 90 out.print(fu2[op]); 91 } 92 Random random2=new Random(); 93 int op=random2.nextInt(1000000);//数组内的随机调用所用的下表随机减少重复 94 out.print(number[op]); 95 out.print(" = "+"<br>"); 96 js++; 97 %> 98 <input type="text" name=<%=re[n]%>><br> 99 <% 100 } 101 } 102 if(chengchu==1&&jiafenshu==0&&kuohao==0) 103 { 104 for(n=0;n<dzs;n++) 105 { 106 Random random1=new Random();//随机运算数字数以及符号数 107 szs = random1.nextInt(yuanshu)%(yuanshu-2+1)+2; 108 fhs=szs-1; 109 out.print(js+". "); 110 for(i=0;i<szs-1;i++) 111 { 112 Random random2=new Random(); 113 int op=random2.nextInt(1000000);//数组内的随机调用所用的下表随机减少重复 114 out.print(number[op]); 115 out.print(fu[op]); 116 } 117 Random random2=new Random(); 118 int op=random2.nextInt(1000000);//数组内的随机调用所用的下表随机减少重复 119 out.print(number[op]); 120 out.print(" = "+"<br>"); 121 js++; 122 %> 123 <input type="text" name=<%=re[n]%>><br> 124 <% 125 } 126 } 127 if(chengchu==0&&jiafenshu==0&&kuohao==0) 128 { 129 for(n=0;n<dzs;n++) 130 { 131 Random random1=new Random();//随机运算数字数以及符号数 132 szs = random1.nextInt(yuanshu)%(yuanshu-2+1)+2; 133 fhs=szs-1; 134 out.print(js+". "); 135 for(i=0;i<szs-1;i++) 136 { 137 Random random2=new Random(); 138 int op=random2.nextInt(1000000);//数组内的随机调用所用的下表随机减少重复 139 out.print(number[op]); 140 out.print(fu2[op]); 141 } 142 Random random2=new Random(); 143 int op=random2.nextInt(1000000);//数组内的随机调用所用的下表随机减少重复 144 out.print(number[op]); 145 out.print(" = "+"<br>"); 146 js++; 147 %> 148 <input type="text" name=<%=re[n]%>><br> 149 <% 150 } 151 } 152 if(chengchu==1&&jiafenshu==1&&kuohao==1) 153 { 154 for(n=0;n<dzs;n++) 155 { 156 Random random1=new Random();//随机运算数字数以及符号数 157 szs = random1.nextInt(yuanshu)%(yuanshu-2+1)+2; 158 fhs=szs-1; 159 out.print(js+". "); 160 for(i=0;i<szs-1;i++) 161 { 162 Random random2=new Random(); 163 int op=random2.nextInt(1000000);//数组内的随机调用所用的下表随机减少重复 164 out.print(number[op]); 165 if(szs>=3 && i==2) 166 { 167 out.print(")"); 168 } 169 170 out.print(fu[op]); 171 if(szs>=3 && i==0) 172 { 173 out.print("("); 174 } 175 176 } 177 Random random2=new Random(); 178 int op=random2.nextInt(1000000);//数组内的随机调用所用的下表随机减少重复 179 out.print(number[op]); 180 out.print(" = "+"<br>"); 181 js++; 182 %> 183 <input type="text" name=<%=re[n]%>><br> 184 <% 185 } 186 } 187 session.setAttribute("huida", re); 188 session.setAttribute("daan",result); 189 session.setAttribute("timushu",numbers); 190 %> 191 <input type="submit" value="http://www.mamicode.com/提交题目"> 192 <input type="reset" value="http://www.mamicode.com/清空所答的答案!"> 193 </form> 194 </body> 195 </html>
运行截图:
web版本四则运算
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