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  • 软件工程个人（结对）作业04（四则运算网页版）

    将四则运算的程序改成网页版如下

    1.源代码

    主页 a.jsp

    复制代码
    <%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
  <meta charset="UTF-8">
  <title>二柱子答题网</title>

  <link rel='stylesheet prefetch' href='http://netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.min.css'>
  <link rel='stylesheet prefetch' href='http://puertokhalid.com/up/demos/puerto-Mega_Menu/css/normalize.css'>
  <link rel="stylesheet" href="css/style.css" media="screen" type="text/css" />
<script language="javascript"> 
    setInterval(test,2000); 
    var array=new Array(); 
    var index=0; 
    var array= new Array("images/mai1.jpg","images/mai2.jpg","images/mai3.jpg"); 
    function test() 
    { 
      var myimg=document.getElementById("imgs"); 
      if(index==array.length-1) 
      {
        index=0; 
      }
      else
      {
        index++;
      }
      myimg.src=array[index]; 
    } 
</script> 
</head>

<body>
   <div class="title">
      <h1>二柱子答题网</h1>
   </div>
  <div class="container">
<nav>
        <ul class="mcd-menu">
            <li>
                <a href="about.jsp">
                    <i class="fa fa-home"></i>
                    <strong>About us</strong>
                    <small>sweet home</small>
                </a>
            </li>
            <li>
                <a href="" class="active">
                    <i class="fa fa-edit"></i>
                    <strong>Home</strong>
                    <small>sweet home</small>
                </a>
            </li>
            <li>
                <a href="start.jsp">
                    <i class="fa fa-gift"></i>
                    <strong>Questions</strong>
                    <small>sweet home</small>
                </a>
            </li>
            <li>
                <a href="da.jsp">
                    <i class="fa fa-globe"></i>
                    <strong>Answers</strong>
                    <small>sweet home</small>
                </a>
            </li>
            <li>
                <a href="amuse.jsp">
                    <i class="fa fa-comments-o"></i>
                    <strong>Amusement</strong>
                    <small>sweet home</small>
                </a>
            </li>
        </ul>
    </nav>
</div>
<div style="text-align:center;clear:both">
<script src="/gg_bd_ad_720x90.js" type="text/javascript"></script>
<script src="/follow.js" type="text/javascript"></script>
</div>
<div class="pic">
    <img id="imgs" src="images/mai1.jpg" />
</div>
<div class="gif">
    <img src="images/1236.gif" />
</div>
</body>
</html>
    复制代码

    start.jsp

    复制代码
    <%@ page language="java" contentType="text/html; charset=gb2312"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <title>出题器</title>
<style type="text/css">
body{ 
    background:url("images/huawen3.jpg")
    no-repeat;
    background-size:cover;
} 
div{ 
    margin:200px 100px auto 200px;
    position:relative;
    500px; 
    height:400px; 
} 
</style>

</head>
<body>
<div>
    <h2 align="center">四则运算出题器</h2>
    <font size=4>
    <form name="form1" action="process1.jsp" method="post">
        <table align="center">
            <tr>
                <td>题目类型:</td>
                <td>
                    <input type="radio" name="lx" value="整数" checked>整数
                    <input type="radio" name="lx" value="真分数">真分数
                </td>  
            </tr>
            <tr>
                <td>数值范围：1至</td>
                <td>
                    <input type="text" name="maxz" value="100">
                </td>  
            </tr>
            <tr>
                <td>加减有无负数：</td>
                <td>
                    <input type="radio" name="fushu" value="无" checked>无
                    <input type="radio" name="fushu" value="有">有
                </td>
            </tr>
            <tr>
                <td>是否有乘除法：</td>
                <td>
                    <input type="radio" name="chengchu" value="无" checked>无
                    <input type="radio" name="chengchu" value="有">有
                </td>
            </tr>
            <tr>
                <td>除法有无余数：</td>
                <td>
                    <input type="radio" name="yushu" value="无" checked>无
                    <input type="radio" name="yushu" value="有">有
                </td>
            </tr>
            <tr>
                <td>题数：</td>
                <td>
                    <input type="text" name="num" value="5">
                </td>
            </tr>
            <tr>
                <td></td>
                <td><input type="submit" value="开始出题！"></td>
            </tr>
        </table>
    </form>
    </font>
</div>
</body>
</html>
    复制代码

    process1.jsp

    复制代码
    <%@ page language="java" import="java.util.*, java.sql.*,szysl.Szys" contentType="text/html; charset=gb2312"
    pageEncoding="UTF-8"%>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%>
<fmt:requestEncoding value="gb2312"/>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<style type="text/css">
    body{ 
        background:url("images/huawen3.jpg")
        no-repeat;
        background-size:cover;
    } 
    div{ 
        margin:200px 100px auto 200px;
        position:relative;
        500px; 
        height:400px; 
    } 

    .tb1{
    border-left-style:solid;
    border-bottom-style:solid;
    border-top-style:solid;
    border-right-style:solid;
    border-2px;
    }
    
    #submit{
        height: 30px;
        background: rgba(0,0,0,0.1);
        border:solid #ccc 1px;
        border-radius: 3px;
    }
    
    #submit:hover{
        cursor: pointer;
        background:#D8D8D8;
    }
</style>
    <title>出题</title>
</head>
<body>
<div>
      <h2 align="center">请填写答案：</h2>
      <font size=4>
      <form name="form2" action="result.jsp" method="post">
          <table align="center">
          <tr>
              <th>题目</th>
              <th>答案</th>
          </tr>
          
          <jsp:useBean id="sz" class="szysl.Szys" scope="request"/>
          <jsp:useBean id="db" class="szysl.DB" scope="request"/>
          <%
          int n1=2,n3=2,n4=2,n7=2;
          if((request.getParameter("fushu")).equals("有"))
          {
              n3 = 1;
          }
          if((request.getParameter("chengchu")).equals("有"))
          {
              n4 = 1;
          }
          if((request.getParameter("yushu")).equals("有"))
          {
              n7 = 1;
          }
          if((request.getParameter("lx")).equals("整数"))
          {
              n1 = 1;
          }
  
          int y = Integer.parseInt(request.getParameter("maxz"));
          int n = Integer.parseInt(request.getParameter("num"));
             
          //清空数据库元素
          String sql="delete from szys";
          Statement stmt = db.getConn().createStatement();
          stmt.execute(sql);
          
        
          //生成算式，并存储在数据库中
          if(n1==1)
              sz.zheng(y,n,n3,n4,n7);
          else sz.zhenfs(y,n,n3,n4,n7);
          
          for(int i = 0;i < n;i++)
          {
            out.print("<tr><td>");
            String sq = "select * from szys where num=?";
             PreparedStatement st = null;
             st = db.getConn().prepareStatement(sq);
             st.setInt(1, i+1);
             ResultSet rs = st.executeQuery();
              
             while(rs.next())
             {
                 out.print("<tr><td>" + rs.getString(2) + "</td>");
             }
          %>
             <td><input name="result<%=i %>" id="result" type="text">
             </td></tr>
          <%} %>
          <tr>
          <td>
              <input type="hidden" name="num" value="${param.num}">
          </td>
          </tr>
          <tr>
              <td></td>
              <td><input type="submit" id="submit" value="提交答案"></td>
          </tr>
          </table>
      </form>
      </font>
</div>
</body>
</html>
    复制代码

    result.jsp

    复制代码
    <%@ page language="java" import="java.sql.*" contentType="text/html; charset=gb2312"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>结果</title>
<style type="text/css">
body{ 
    background:url("images/huawen3.jpg")
    no-repeat;
    background-size:cover;
} 
div{ 
    margin:200px 100px auto 200px;
    position:relative;
    500px; 
    height:400px; 
} 
</style>
</head>
<body>
<div>
    <h1 align="center">成绩</h1>
    <font size=4>
    <form name="form3" action="a.jsp" method="post">
    <table align="center">
    <jsp:useBean id="db" class="szysl.DB" scope="request"/>
    <%
        int n = Integer.parseInt(request.getParameter("num"));
        String x = "",y = "",z = "";
        for(int i = 0;i < n;i++)
        {
            x = (String)request.getParameter("result"+i);
            String sq = "select * from szys where num=?";
             PreparedStatement st = null;
             st = db.getConn().prepareStatement(sq);
             st.setInt(1, i+1);
             ResultSet rs = st.executeQuery();
            while(rs.next())
            {
                out.print("<tr><td>" + rs.getString(2));
                if(rs.getString(3).equals(x))
                {
                    out.print("<td>" + x + "</td>");
                    %>
                    <td>正确!</td>
                    </tr>
                    <% y=y+" "+rs.getString(1);%>
                    <% 
                }
                else 
                {
                    out.print("<td>" + x + "</td>");
                    %>
                    <td>错误！正确答案为<%=rs.getString(3)%></td>
                    </tr>
                    <% z=z+" "+rs.getString(1);%>
                    <% 
                }
            }
        }
        out.print("<td>" + y + "</td>");
        %>
        <td>为正确的题号</td>
        </tr>
        <% 
        out.print("<td>" + z + "</td>");
        %>
        <td>为错误的题号</td>
        </tr>
        <% 
     %>
        <td><input type="submit" id="submit" value="返回主页"></td>
        </tr>
    </table>
   </form>
    </font>
</div>
</body>
</html>
    复制代码

    about.jsp

    复制代码
    <%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>about us</title>
<style type="text/css">
body{ 
    background:url("images/huawen2.jpg")
    no-repeat;
    background-size:cover;
} 
div{ 
    margin:200px 200px 400px 400px;
    position:relative;
    800px; 
    height:400px; 
} 
.fo{
    font-size:100px;
    font-family:FangSong;
}
</style>
</head>
<body>
<div>
    <form name="form4" class="fo" action="a.jsp" method="post">
    <table align="center">
    <tr>
        <td>Designed by：</td>
    </tr>
    <tr>
        <td>   </td>
        <td>陈孜洋  刘玉</td>
    </tr>
    <tr>
        <td><input type="submit" id="submit" value="返回主页"></td>
    </tr>
    </table>
    </form>
   
</div>
</body>
</html>
    复制代码

    amuse.jsp

    复制代码
    <%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>轻松一刻</title>
<style type="text/css">
body{ 
    background:url("images/huawen1.jpg")
    no-repeat;
    background-size:cover;
} 
div{ 
    margin:400px 200px 200px 400px;
    position:relative;
    800px; 
    height:400px; 
} 
.fo{
    font-size:30px;
    font-family:FangSong;
}
</style>
</head>
<body>
<div>
    <form name="form5" class="fo" action="a.jsp" method="post">
    <table align="center">
    <tr>
        <td>关于程序员的小笑话：</td>
    </tr>
    <tr>
        <td>1、栈和队列的区别是啥？ 吃多了拉就是队列；吃多了吐就是栈</td>
    </tr>
    <tr>
        <td>2、世界上最遥远的距离不是生与死，而是你亲手制造的 BUG 就在你眼前，你却怎么都找不到她。</td>
    </tr>
    <tr>
        <td>3、《c++程序设计语言》比《c程序设计语言》厚了几倍...果然有了对象就麻烦很多...</td>
    </tr>
    <tr>
        <td>4、怎么使用面向对象的方式变得富有？继承。</td>
    </tr>
    <tr>
        <td>5、为什么程序员总是分不清万圣节和圣诞节？因为 Oct 31 == Dec 25。</td>
    </tr>
    <tr>
        <td>6、Keyboard not found ... press F1 to continue</td>
    </tr>
    <tr>
        <td>7、杀一个程序员不需要用枪，改三次需求就可以了</td>
    </tr>
    <tr>
        <td><input type="submit" id="submit" value="返回主页"></td>
    </tr>
    </table>
    </form>
   
</div>
</body>
</html>
    复制代码

    da.jsp

    复制代码
    <%@ page language="java" import="java.sql.*" contentType="text/html; charset=gb2312"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>正确答案</title>
<style type="text/css">
body{ 
    background:url("images/huawen3.jpg")
    no-repeat;
    background-size:cover;
} 
div{ 
    margin:400px 100px auto 200px;
    position:relative;
} 
</style>
</head>
<body>
<div>
    <font size=4>
    <center><h1>正确答案</h1></center>
    <form name="form5" action="a.jsp" method="post">
    <table align=center width=500 border=1>
    <tr><td>题目<td>正确答案
    <jsp:useBean id="db" class="szysl.DB" scope="request"/>
    <%
        String s="select * from szys";
    
        PreparedStatement st = null;
         st = db.getConn().prepareStatement(s);
         ResultSet rs = st.executeQuery();
     
        while(rs.next())
        {
            out.println("</tr><td>"+rs.getString(2)+"</td><td>"+rs.getString(3)+"</td><tr>");
        }
        rs.close();
     %>

        <td><input type="submit" id="submit" value="返回主页"></td>
        </tr>
    </table>
   </form>
    </font>
</div>
</body>
</html>
    复制代码

    style.css

    复制代码
    body { 
    background: #EEE; 
    overflow-x:hidden;
}
.clearfix:before,
.clearfix:after {
    content: " ";
    display: table;
}

.clearfix:after {
    clear: both;
}
.clearfix {
    *zoom: 1;
}
.container {
    position: relative;
    margin:150px 100px 150px 100px;
    padding: 50px 0;
    clear: both;
    height:400px;
    float:left; 
}
.title{
    font-size:30px;
    font-family:"FangSong";
    400px; 
    height:100px; 
    position:absolute;
    z-index:99;
    left:50px;
    top:10px;
}
.pic{
    background-size:cover;
    900px; 
    height:500px; 
    position:absolute;
    z-index:99;
    left:500px;
    top:50px;
}
.gif{
    400px; 
    height:400px; 
    position:absolute;
    z-index:99;
    left:50px;
    top:600px;
}

@media only screen and (min- 1200px) {
    .container {
         300px;
    }
}

@media only screen and (min- 960px) and (max- 1199px) {
    .container {
         250px;
    }
}

@media only screen and (min- 768px) and (max- 959px) {
    .container {
         150px;
    }
}

@media only screen and (min- 480px) and (max- 767px) {
    .container {
         130px;
        margin: 0 auto;
    }
}

@media only screen and (max- 479px) {
    .container {
         120px;
        margin: 0 auto;
    }
}


  
.mcd-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  background: #FFF;
  /*height: 100px;*/
  border-radius: 2px;
  -moz-border-radius: 2px;
  -webkit-border-radius: 2px;
  
  /* == */
   250px;
  /* == */
}
.mcd-menu li {
  position: relative;
  /*float:left;*/
}
.mcd-menu li a {
  display: block;
  text-decoration: none;
  padding: 12px 20px;
  color: #777;
  /*text-align: center;
  border-right: 1px solid #E7E7E7;*/
  
  /* == */
  text-align: left;
  height: 36px;
  position: relative;
  border-bottom: 1px solid #EEE;
  /* == */
}
.mcd-menu li a i {
  /*display: block;
  font-size: 30px;
  margin-bottom: 10px;*/
  
  /* == */
  float: left;
  font-size: 20px;
  margin: 0 10px 0 0;
  /* == */
  
}
/* == */
.mcd-menu li a p {
  float: left;
  margin: 0 ;
}
/* == */

.mcd-menu li a strong {
  display: block;
  text-transform: uppercase;
}
.mcd-menu li a small {
  display: block;
  font-size: 10px;
}

.mcd-menu li a i, .mcd-menu li a strong, .mcd-menu li a small {
  position: relative;
  
  transition: all 300ms linear;
  -o-transition: all 300ms linear;
  -ms-transition: all 300ms linear;
  -moz-transition: all 300ms linear;
  -webkit-transition: all 300ms linear;
}
.mcd-menu li:hover > a i {
    opacity: 1;
    -webkit-animation: moveFromTop 300ms ease-in-out;
    -moz-animation: moveFromTop 300ms ease-in-out;
    -ms-animation: moveFromTop 300ms ease-in-out;
    -o-animation: moveFromTop 300ms ease-in-out;
    animation: moveFromTop 300ms ease-in-out;
}
.mcd-menu li:hover a strong {
    opacity: 1;
    -webkit-animation: moveFromLeft 300ms ease-in-out;
    -moz-animation: moveFromLeft 300ms ease-in-out;
    -ms-animation: moveFromLeft 300ms ease-in-out;
    -o-animation: moveFromLeft 300ms ease-in-out;
    animation: moveFromLeft 300ms ease-in-out;
}
.mcd-menu li:hover a small {
    opacity: 1;
    -webkit-animation: moveFromRight 300ms ease-in-out;
    -moz-animation: moveFromRight 300ms ease-in-out;
    -ms-animation: moveFromRight 300ms ease-in-out;
    -o-animation: moveFromRight 300ms ease-in-out;
    animation: moveFromRight 300ms ease-in-out;
}

.mcd-menu li:hover > a {
  color: #e67e22;
}
.mcd-menu li a.active {
  position: relative;
  color: #e67e22;
  border:0;
  /*border-top: 4px solid #e67e22;
  border-bottom: 4px solid #e67e22;
  margin-top: -4px;*/
  box-shadow: 0 0 5px #DDD;
  -moz-box-shadow: 0 0 5px #DDD;
  -webkit-box-shadow: 0 0 5px #DDD;
  
  /* == */
  border-left: 4px solid #e67e22;
  border-right: 4px solid #e67e22;
  margin: 0 -4px;
  /* == */
}
.mcd-menu li a.active:before {
  content: "";
  position: absolute;
  /*top: 0;
  left: 45%;
  border-top: 5px solid #e67e22;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;*/
  
  /* == */
  top: 42%;
  left: 0;
  border-left: 5px solid #e67e22;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  /* == */
}

/* == */
.mcd-menu li a.active:after {
  content: "";
  position: absolute;
  top: 42%;
  right: 0;
  border-right: 5px solid #e67e22;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}
/* == */

@-webkit-keyframes moveFromTop {
    from {
        opacity: 0;
        -webkit-transform: translateY(200%);
        -moz-transform: translateY(200%);
        -ms-transform: translateY(200%);
        -o-transform: translateY(200%);
        transform: translateY(200%);
    }
    to {
        opacity: 1;
        -webkit-transform: translateY(0%);
        -moz-transform: translateY(0%);
        -ms-transform: translateY(0%);
        -o-transform: translateY(0%);
        transform: translateY(0%);
    }
}
@-webkit-keyframes moveFromLeft {
    from {
        opacity: 0;
        -webkit-transform: translateX(200%);
        -moz-transform: translateX(200%);
        -ms-transform: translateX(200%);
        -o-transform: translateX(200%);
        transform: translateX(200%);
    }
    to {
        opacity: 1;
        -webkit-transform: translateX(0%);
        -moz-transform: translateX(0%);
        -ms-transform: translateX(0%);
        -o-transform: translateX(0%);
        transform: translateX(0%);
    }
}
@-webkit-keyframes moveFromRight {
    from {
        opacity: 0;
        -webkit-transform: translateX(-200%);
        -moz-transform: translateX(-200%);
        -ms-transform: translateX(-200%);
        -o-transform: translateX(-200%);
        transform: translateX(-200%);
    }
    to {
        opacity: 1;
        -webkit-transform: translateX(0%);
        -moz-transform: translateX(0%);
        -ms-transform: translateX(0%);
        -o-transform: translateX(0%);
        transform: translateX(0%);
    }
}



.mcd-menu li ul,
.mcd-menu li ul li ul {
  position: absolute;
  height: auto;
  min- 200px;
  padding: 0;
  margin: 0;
  background: #FFF;
  /*border-top: 4px solid #e67e22;*/
  opacity: 0;
  visibility: hidden;
  transition: all 300ms linear;
  -o-transition: all 300ms linear;
  -ms-transition: all 300ms linear;
  -moz-transition: all 300ms linear;
  -webkit-transition: all 300ms linear;
  /*top: 130px;*/
  z-index: 1000;
  
  /* == */
  left:280px;
  top: 0px;
  border-left: 4px solid #e67e22;
  /* == */
}
.mcd-menu li ul:before {
  content: "";
  position: absolute;
  /*top: -8px;
  left: 23%;
  border-bottom: 5px solid #e67e22;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;*/
  
  /* == */
  top: 25px;
  left: -9px;
  border-right: 5px solid #e67e22;
  border-bottom: 5px solid transparent;
  border-top: 5px solid transparent;
  /* == */
}
.mcd-menu li:hover > ul,
.mcd-menu li ul li:hover > ul {
  display: block;
  opacity: 1;
  visibility: visible;
  /*top: 100px;*/
  
  /* == */
  left:250px;
  /* == */
}
/*.mcd-menu li ul li {
  float: none;
}*/
.mcd-menu li ul li a {
  padding: 10px;
  text-align: left;
  border: 0;
  border-bottom: 1px solid #EEE;
  
  /* == */
  height: auto;
  /* == */
}
.mcd-menu li ul li a i {
  font-size: 16px;
  display: inline-block;
  margin: 0 10px 0 0;
}
.mcd-menu li ul li ul {
  left: 230px;
  top: 0;
  border: 0;
  border-left: 4px solid #e67e22;
}  
.mcd-menu li ul li ul:before {
  content: "";
  position: absolute;
  top: 15px;
  /*left: -14px;*/
  /* == */
  left: -9px;
  /* == */
  border-right: 5px solid #e67e22;
  border-bottom: 5px solid transparent;
  border-top: 5px solid transparent;
}
.mcd-menu li ul li:hover > ul {
  top: 0px;
  left: 200px;
}



/*.mcd-menu li.float {
  float: right;
}*/
.mcd-menu li a.search {
  /*padding: 29px 20px 30px 10px;*/
  padding: 10px 10px 15px 10px;
  clear: both;
}
.mcd-menu li a.search i {
  margin: 0;
  display: inline-block;
  font-size: 18px;
}
.mcd-menu li a.search input {
  border: 1px solid #EEE;
  padding: 10px;
  background: #FFF;
  outline: none;
  color: #777;
  
  /* == */
  170px;
  float:left;
  /* == */
}
.mcd-menu li a.search button {
  border: 1px solid #e67e22;
  /*padding: 10px;*/
  background: #e67e22;
  outline: none;
  color: #FFF;
  margin-left: -4px;
  
  /* == */
  float:left;
  padding: 10px 10px 11px 10px;
  /* == */
}
.mcd-menu li a.search input:focus {
  border: 1px solid #e67e22;
}


.search-mobile { 
    display:none !important;
    background:#e67e22;
    border-left:1px solid #e67e22;
    border-radius:0 3px 3px 0;
}
.search-mobile i { 
    color:#FFF; 
    margin:0 !important;
}


@media only screen and (min- 960px) and (max- 1199px) {
    .mcd-menu {
        margin-left:10px;
    }
}

@media only screen and (min- 768px) and (max- 959px) {
    .mcd-menu {
         200px;
    }
    .mcd-menu li a {
        height:30px;
    }
    .mcd-menu li a i {
        font-size: 22px;
    }
    .mcd-menu li a strong {
        font-size: 12px;
    }
    .mcd-menu li a small {
        font-size: 10px;
    }    
    .mcd-menu li a.search input {
         120px;
        font-size: 12px;
    }
    .mcd-menu li a.search buton{
        padding: 8px 10px 9px 10px;
    }
    .mcd-menu li > ul {
        min-180px;
    }
    .mcd-menu li:hover > ul {
        min-180px;
        left:200px;
    }
    .mcd-menu li ul li > ul, .mcd-menu li ul li ul li > ul {
        min-150px;
    }
    .mcd-menu li ul li:hover > ul {
        left:180px;
        min-150px;
    }
    .mcd-menu li ul li ul li:hover > ul {
        left:150px;
        min-150px;
    }
    .mcd-menu li ul a {
        font-size:12px;
    }
    .mcd-menu li ul a i {
        font-size:14px;
    }
}

@media only screen and (min- 480px) and (max- 767px) {
    
    .mcd-menu { 
         50px;
    }
    .mcd-menu li a { 
        position: relative;
        padding: 12px 16px;
        height:20px;
    }
    .mcd-menu li a small { 
        display: none;
    }
    .mcd-menu li a strong { 
        display: none;
    }
    .mcd-menu li a:hover strong,.mcd-menu li a.active strong {
        display:block;
        font-size:10px;
        padding:3px 0;
        position:absolute;
        bottom:0px;
        left:0;
        background:#e67e22;
        color:#FFF;
        min-100%;
        text-transform:lowercase;
        font-weight:normal;
        text-align:center;
    }
    .mcd-menu li .search { 
        display: none;
    }
    
    .mcd-menu li > ul {
        min-180px;
        left:70px;
    }
    .mcd-menu li:hover > ul {
        min-180px;
        left:50px;
    }
    .mcd-menu li ul li > ul, .mcd-menu li ul li ul li > ul {
        min-150px;
    }
    .mcd-menu li ul li:hover > ul {
        left:180px;
        min-150px;
    }
    .mcd-menu li ul li ul li > ul {
        left:35px;
        top: 45px;
        border:0;
        border-top:4px solid #e67e22;
    }
    .mcd-menu li ul li ul li > ul:before {
        left:30px;
        top: -9px;
        border:0;
        border-bottom:5px solid #e67e22;
        border-left:5px solid transparent;
        border-right:5px solid transparent;
    }
    .mcd-menu li ul li ul li:hover > ul {
        left:30px;
        min-150px;
        top: 35px;
    }
    .mcd-menu li ul a {
        font-size:12px;
    }
    .mcd-menu li ul a i {
        font-size:14px;
    }
    
}

@media only screen and (max- 479px) {
    .mcd-menu { 
         50px;
    }
    .mcd-menu li a { 
        position: relative;
        padding: 12px 16px;
        height:20px;
    }
    .mcd-menu li a small { 
        display: none;
    }
    .mcd-menu li a strong { 
        display: none;
    }
    .mcd-menu li a:hover strong,.mcd-menu li a.active strong {
        display:block;
        font-size:10px;
        padding:3px 0;
        position:absolute;
        bottom:0px;
        left:0;
        background:#e67e22;
        color:#FFF;
        min-100%;
        text-transform:lowercase;
        font-weight:normal;
        text-align:center;
    }
    .mcd-menu li .search { 
        display: none;
    }
    
    .mcd-menu li > ul {
        min-180px;
        left:70px;
    }
    .mcd-menu li:hover > ul {
        min-180px;
        left:50px;
    }
    .mcd-menu li ul li > ul, .mcd-menu li ul li ul li > ul {
        min-150px;
    }
    .mcd-menu li ul li:hover > ul {
        left:180px;
        min-150px;
    }
    .mcd-menu li ul li ul li > ul {
        left:35px;
        top: 45px;
        border:0;
        border-top:4px solid #e67e22;
    }
    .mcd-menu li ul li ul li > ul:before {
        left:30px;
        top: -9px;
        border:0;
        border-bottom:5px solid #e67e22;
        border-left:5px solid transparent;
        border-right:5px solid transparent;
    }
    .mcd-menu li ul li ul li:hover > ul {
        left:30px;
        min-150px;
        top: 35px;
    }
    .mcd-menu li ul a {
        font-size:12px;
    }
    .mcd-menu li ul a i {
        font-size:14px;
    }
    
}
    复制代码

    DB.java

    复制代码
    package szysl;

import java.sql.*;

public class DB {
    private static final String driverStr = "com.microsoft.sqlserver.jdbc.SQLServerDriver";
    private static final String connStr = "jdbc:sqlserver://localhost:1433; DatabaseName=calculate";
    private static final String dbusername = "sa";
    private static final String dbpassword = "741099";
    private static Connection conn = null;

    public static Connection getConn() {
        return conn;
    }

    static{
        try{
            Class.forName(driverStr);
            conn = DriverManager.getConnection(connStr, dbusername, dbpassword);
        } catch (ClassNotFoundException e){
            e.printStackTrace();
        } catch (SQLException e){
            e.printStackTrace();
        }
    }
    
    public void closeCon(Connection con) {
        if(conn!=null){
            try {
                conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
    
    public static void main(String[] args) {
        try {
            DB.getConn();
            System.out.println("数据库连接成功");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
    复制代码

    Szys.java

    复制代码
    package szysl;

import java.sql.*;

public class Szys {

    public Szys(){}
    public int random(int w,int v)
    {
        int value=w + (int) ( Math.random() * v );
        return value;
    }
    public void jisuan1(int n,int value1,int value2,int ys,int i)
    {
        String ys1;
        String result[] =new String[n];
        String output[] =new String[n];
        
        if(ys==1) {ys1="+";result[i]=value1+value2+"";}
        else if(ys==2) {ys1="-";result[i]=(value1-value2)+"";}
        else if(ys==3) {ys1="*";result[i]=(value1*value2)+"";}
        else {ys1="/";result[i]=yuefen(value1,value2);}
        output[i]= value1 + " "+ys1 +" "+ value2+"=";

        //连接数据库存入数据
        DB db=new DB();
        String sql = "insert into szys (num,question,answer) values (?,?,?)";
        PreparedStatement pstmt = null;
        try {
            pstmt = db.getConn().prepareStatement(sql);
            pstmt.setInt(1,i+1);
            pstmt.setString(2,output[i]);
            pstmt.setString(3,result[i]);
            pstmt.executeUpdate();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
    
    public void jisuan2(int n,int value1,int value2,int value3,int value4,int ys,int i)
    {
        String ys1;
        String result[] =new String[n];
        String output[] =new String[n];
        if(ys==1) {ys1="+";result[i]=yuefen(((value1*value4)+(value2*value3)),value2*value4)+"";}
        else if(ys==2) {ys1="-";result[i]=yuefen(((value1*value4)-(value2*value3)),value2*value4)+"";}
        else if(ys==3) {ys1="*";result[i]=yuefen((value1*value3),(value2*value4))+"";}
        else {ys1="/";result[i]=yuefen((value1*value4),(value2*value3))+"";}
        
        output[i]= yuefen(value1,value2)+" "+ys1+" "+yuefen(value3,value4)+"=";
    
        //连接数据库存入数据
        DB db=new DB();
        String sql = "insert into szys (num,question,answer) values (?,?,?)";
        PreparedStatement pstmt = null;
        try {
            pstmt = db.getConn().prepareStatement(sql);
            pstmt.setInt(1,i+1);
            pstmt.setString(2, output[i]);
            pstmt.setString(3, result[i]);
            pstmt.executeUpdate();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
    
     public String yuefen(int a1,int a2)
     {
         int min=a1<a2?a1:a2;
         int yueshu=1;
         for(int i=min;i>=1;i--)
         {
             if(a1%i==0 && a2%i==0)
             {
                 yueshu=i;
                 break;
             }
         }
         a1/=yueshu;
         a2/=yueshu;
         return(a1+"/"+a2);
     }
    
    public void zheng(int y,int n,int n3,int n4,int n7)
    {
        int value1,value2;
        int ys;
        
        for ( int i = 0; i < n; i++ ) 
        {
           value1 = random(1,y);
           value2 = random(1,y);
           
           if(n3==1&&n4==1&&n7==1)//加减有负数，有乘除法，有余数
           {
               ys = random(1,4);
               if(value1%value2!=0)
                  jisuan1(n,value1,value2,ys,i);
               else i--;
           }
           else if(n3==1&&n4==1&&n7==2)//加减有负数，有乘除法，无余数
           {
               ys = random(1,4);
               if(value1>=value2&&value1%value2==0)
                  jisuan1(n,value1,value2,ys,i);
               else i--;
           }
           else if(n3==1&&n4==2)//无乘除法
           {
               ys = random(1,2);
               jisuan1(n,value1,value2,ys,i);
           }
           else if(n3==2)//加减无负数
           {
               if(value1>=value2&&n4==1&&n7==1)//有乘除法，有余数
               {
                    ys = random(1,4);
                    if(value1%value2!=0)
                        jisuan1(n,value1,value2,ys,i);
                    else i--;
               }
               else if(value1>=value2&&n4==1&&n7==2)//有乘除法，无余数
               {
                    ys = random(1,4);
                    if(value1%value2==0)
                        jisuan1(n,value1,value2,ys,i);
                    else i--;
               }
               else if(value1>=value2&&n4==2)//无乘除法
               {
                     ys = random(1,2);
                     jisuan1(n,value1,value2,ys,i);
               }
               else if(value1<value2) i--;
           }
           else 
           {
               System.out.println("输入错误！");
               break;
           }
        }
          
    }
    public void zhenfs(int y,int n,int n3,int n4,int n7)
    {
        int value1,value2,value3,value4,ys;
           
        for ( int i = 0; i < n; i++ ) 
        {
           value1 = random(1,y);
           value2 = random(1,y);
           value3 = random(1,y);
           value4 = random(1,y);
           if(value1<value2&&value3<value4)
           {
               if(n3==1&&n4==1&&n7==1)//加减有负数，有乘除法，有余数
               {
                   ys = random(1,4);
                   if(((double)value1/value2)>=((double)value3/value4)&&((double)value1/value2)%((double)value3/value4)!=0)
                       jisuan2(n,value1,value2,value3,value4,ys,i);
                   else i--;
               }
               else if(n3==1&&n4==1&&n7==2)//加减有负数，有乘除法，无余数
               {
                   ys = random(1,4);
                   if(((double)value1/value2)>=((double)value3/value4)&&((double)value1/value2)%((double)value3/value4)==0)
                       jisuan2(n,value1,value2,value3,value4,ys,i);
                   else i--;
               }
               else if(n3==1&&n4==2)//无乘除法
               {
                   ys = random(1,2);
                   jisuan2(n,value1,value2,value3,value4,ys,i);
               }
               else if(n3==2)//加减无负数
               {
                   if(((double)value1/value2)>=((double)value3/value4)&&n4==1&&n7==1)//有乘除法，有余数
                   {
                        ys = random(1,4);
                        if(((double)value1/value2)%((double)value3/value4)!=0)
                            jisuan2(n,value1,value2,value3,value4,ys,i);
                        else i--;
                   }
                   else if(((double)value1/value2)>=((double)value3/value4)&&n4==1&&n7==2)//有乘除法，无余数
                   {
                        ys = random(1,4);
                        if(((double)value1/value2)%((double)value3/value4)==0)
                            jisuan2(n,value1,value2,value3,value4,ys,i);
                        else i--;
                   }
                   else if(((double)value1/value2)>=((double)value3/value4)&&n4==2)//无乘除法
                   {
                         ys = random(1,2);
                         jisuan2(n,value1,value2,value3,value4,ys,i);
                   }
                   else if(((double)value1/value2)<((double)value3/value4)) i--;
               }
               else 
               {
                   System.out.println("输入错误！");
                   break;
               }
            }
            else i--;
        }
    }
}
    复制代码

    结果截图：
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  • 原文地址：https://www.cnblogs.com/chen160340/p/6696629.html
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