第七次作业

1.教材P78-79 例4-9
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<html>
  <head>
    <base href="<%=basePath%>">
  </head>
<body>
    <body bgcolor = #ffccff>
    <% 
      double price =98.78;
     %>
     <p style = "font-family:宋体;font-size:36;color:blue">
         商品编号 A1001，价格8765
     <a href = "receive.jsp?id=A1001&price=8765">购买</a><br>
         商品编号A1002，价格<%=price %>
     <a href = "receive.jsp?id=A1002&price=<%=price%>">购买</a>
     </p>
  </body>
</html>
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<html>
  <head>
    <base href="<%=basePath%>">
    
  </head>
  
  <body>
    <body bgcolor = #EEEEFF>
    <p style = "font-family:宋体;font-size:36;color:blue">
    <% String id = request.getParameter("id");
       String price = request.getParameter("price");
     %>
     <b>商品编号:<%=id%><br>
         商品价格:<%=price %>
    </p>
  </body>
</html>
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2.教材P97 实验2

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<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <%
  String numberone=request.getParameter("numberone");
  String numbertwo=request.getParameter("numbertwo");
  String operator=request.getParameter("operator");
  if(numberone==null||numberone.length()==0){
  response.sendRedirect("two.jsp");
  return;
  }
  try{
  double a=Double.parseDouble(numberone);
   double b=Double.parseDouble(numbertwo);
   double r=0;
   if(operator.equals("+")){r=a+b;}
   else if(operator.equals("-")){r=a-b;}
   else if(operator.equals("*")){r=a*b;}
   else if(operator.equals("/")){r=a/b;}
   out.print(a+""+operator+""+b+"="+r);
  }
  catch(Exception e){
  out.print("请输入数字字符");
  }
   %>
  </body>
</html>
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<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <form action="one.jsp" >
  输入运算数，选择运算符号：<br>
 <input type="text" name="numberone">
  <select name="operator">
  <option selected="selected" value="+">+
  <option value="-">-
  <option value="*">*
  <option value="/">/
  </select>
  <input type="text" name="numbertwo"><br>
   <input type="submit" name="submit" value="提交"><br>
   
   </form>
  </body>
</html>
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3.制作一个登陆表单，输入账号和密码，如果账号密码相同，跳转到“登录成功”页面，否则跳转到“登录失败”页面。（加上JS非空验证）（选做，加验证码）

4.在上题的表单中增加一个checkbox,让用户选择“是否注册为会员"，如果注册为会员，则在显示时增加文本“欢迎您注册为会员”。

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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'login.jsp' starting page</title>
</head>
 
<body>
<%
        int intmethod1 = (int) ((((Math.random()) * 5)) + 1);
        int intmethod2 = (int) ((((Math.random()) * 5)) + 1);
        int intmethod3 = (int) ((((Math.random()) * 5)) + 1);
        int intmethod4 = (int) ((((Math.random()) * 5)) + 1);
        String intsum = intmethod1 + "" + intmethod2 + intmethod3
                + intmethod4;
    %>
    <form name="loginForm" action="target.jsp" method="post">
        请输入账号：<input type="text" name="account"> <br>
        请输入密码：<input type="password" name="password"> <br>
        验证码：<input type="text" name="validationCode" onKeyDown="if(event.keyCode==13){loginForm.submit.focus();}" size="6">
        <input type="button" name="validationCode1" size="1" value="<%=intsum%>" /><br>
               是否注册会员：<input type="radio" name="sf" value="是" />是
                <input type="radio" name="sf" value="否" />否<br>
            <input type="button" value="登录" onClick="validate()">
    </form>
    <script type="text/javascript">
        function validate(){
            if(loginForm.account.value==""){
                alert("账号不能为空!");
                return;
            }
            if(loginForm.password.value==""){
                alert("密码不能为空!");
                return;
            }
             if (loginForm.validationCode.value == "") {
                alert("验证码不能为空，请输入验证码");
                loginForm.validationCode.focus();
                return;
            }
            if (loginForm.validationCode.value != loginForm.validationCode1.value) {
                alert("请输入正确的验证码");
                loginForm.validationCode.focus();
                return;
            }
            loginForm.submit();
        }
    </script>
</body>
</html>

　　

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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'target.jsp' starting page</title>
</head>
 
<body>
    <%
        request.setCharacterEncoding("utf-8");
        String uname = request.getParameter("account");
        String upwd = request.getParameter("password");
        if (uname.equals("admin") && upwd.equals("admin"))
            request.getRequestDispatcher("succes.jsp").forward(request,
                    response);
        else
            request.getRequestDispatcher("fail.jsp").forward(request,
                    response);
    %>
</body>
</html>

　　

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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
 
    <title>My JSP 'succes.jsp' starting page</title>
 
    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <!--
    <link rel="stylesheet" type="text/css" href="styles.css">
    -->
 
  </head>
 
  <body>
    <h1>登录成功！！！！</h1>
    <%
    request.setCharacterEncoding("utf-8");
        String sf=request.getParameter("sf");
        if(sf.equals("是")){
            out.print("欢迎您注册为会员");
        }
    %>
  </body>
</html>

　　

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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
 
    <title>My JSP 'fail.jsp' starting page</title>
 
    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <!--
    <link rel="stylesheet" type="text/css" href="styles.css">
    -->
 
  </head>
 
  <body>
    <h1>登陆失败！！！</h1>
  </body>
</html>

　　

5.在页面1的表单内输人一个数字N，提交，能够在另一个页面打印N个“欢迎”字符串。

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  <body>
     <form action="welcome.jsp" method="post">
        <p style="font-family:宋体;font-size:18;color:black">
            请输入数字：<input type="text" name="number" size=10><br>
            <br>
            <br> <input type="submit" name="submit" value="提交">
    </form>
  </body>
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  <body>
     <%
        request.setCharacterEncoding("utf-8");
        String number = request.getParameter("number");
        int a = Integer.parseInt(number);
        for (int i = 0; i < a; i++) {
            out.print("欢迎" + "<br>");
        }
    %>
    </body>
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6.在页面1中输入账号和密码,进行登录，如果账号和密码相同，则认为成功登录到页面2,在页面2中显示一个文本框输人用户姓名,输人之后提交,在页面3中显示用户的账号和姓名。（转发）request.getRequestDispacher.....forward

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<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
    //6.在页面1中输入账号和密码,进行登录，如果账号和密码相同，则认为成功登录到页面2,
    //在页面2中显示一个文本框输人用户姓名,输人之后提交,在页面3中显示用户的账号和姓名。
    //（转发）request.getRequestDispacher.....forward

%>
<html>
<head>
<title></title>
</head>
<body>
<form action="work06link00.jsp">
<input type="text" name="id" value="admin"/>
<input type="password" name="password" value="admin"/>
<input type="submit" value="登录"/> 
</form>
</body>
</html>
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<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
    //6.在页面1中输入账号和密码,进行登录，如果账号和密码相同，则认为成功登录到页面2,
    //在页面2中显示一个文本框输人用户姓名,输人之后提交,在页面3中显示用户的账号和姓名。
    //（转发）request.getRequestDispacher.....forward

%>
<html>
<head>
<title></title>
</head>
<body>
<%
String id=request.getParameter("id");
String password=request.getParameter("password");
if(id.equals(password)){
request.getRequestDispatcher("work06link01.jsp").forward(request, response);
}else{
out.print("登陆失败");
}
 %>
</body>
</html>
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<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
    //6.在页面1中输入账号和密码,进行登录，如果账号和密码相同，则认为成功登录到页面2,
    //在页面2中显示一个文本框输人用户姓名,输人之后提交,在页面3中显示用户的账号和姓名。
    //（转发）request.getRequestDispacher.....forward

%>
<html>
<head>
<title></title>
</head>
<%String src=request.getParameter("id"); %>
<body>
登陆成功<br>
<form action="work06link02.jsp">
用户姓名<input type="text" name="name"/><br>
<input type="submit" value="提交"/>
<input type="hidden" name="src" value="<%= src %>"/>
</form>
</body>
</html>
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<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
    //6.在页面1中输入账号和密码,进行登录，如果账号和密码相同，则认为成功登录到页面2,
    //在页面2中显示一个文本框输人用户姓名,输人之后提交,在页面3中显示用户的账号和姓名。
    //（转发）request.getRequestDispacher.....forward

%>
<html>
<head>
<title></title>
</head>
<%String src=request.getParameter("src"); 
String name=request.getParameter("name"); 
%>
<body>
账号：<%=src %><br>
密码：<%=name %>
</body>
</html>
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posted @ 2022-04-17 18:01  郭蕴杰  阅读(32)  评论(0)    收藏  举报