贾云鹏

jsp第七周作业

1.教材P78-79 例4-9

<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>
<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>

2.教材P97 实验2

<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'index.jsp' starting page</title>

=
  </head>
   <body bgcolor=#ffccff>
  <form action="computer.jsp" method=post name=form>
  <p style="font-family:宋体;font-size:18;color:blue">
  输入运算数,选择运算符号:<br>
  <input type=text name="numberOne" size=6/>
  <select name="operator">
  <option selected="selected" value="+"><option value="-"><option value="*"><option value="/"></select>
  <input type=text name="numberTwo" size=6/>
  <br><input type="submit" value="提交">
  </form>
    
  </body>
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'computer.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">

  </head>
  
 <body bgcolor=cyan>
  <p style="font-family:宋体;font-size:18;color:black">
   <% 
     String numberOne=request.getParameter("numberOne");
     String numberTwo=request.getParameter("numberTwo");
     String operator=request.getParameter("operator");
     if(numberOne==null||numberOne.length()==0){
        response.sendRedirect("input.jsp");
        return;
  }
  else if(numberTwo==null||numberTwo.length()==0){
         response.sendRedirect("input.jsp");
         return;
         }
         try{
         double a=Double.parseDouble(numberOne);
         double b=Double.parseDouble(numberTwo);
         double r=0;
         if(operator.equals("+"))
         r=a+b;
          if(operator.equals("-"))
         r=a-b;
          if(operator.equals("*"))
         r=a*b;
          if(operator.equals("/"))
         r=a/b;
         out.print(a+""+operator+""+b+"="+r);
         }
         catch(Exception e){
         out.println("请输入数字字符");
         }
   %>
  </body>
</html>

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”。

<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" /><input type="radio" name="sf" value="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>
<body>
    <%
        request.setCharacterEncoding("utf-8");
        String uname = request.getParameter("account");
        String upwd = request.getParameter("password");
        if (uname.equals("admin") && upwd.equals("admin"))
            request.getRequestDispatcher("success.jsp").forward(request,
                    response);
        else
            request.getRequestDispatcher("fail.jsp").forward(request,
                    response);
    %>
</body>
  <body>
    <h1>登录成功!!!!</h1>
    <%
    request.setCharacterEncoding("utf-8");
        String sf=request.getParameter("sf");
        if(sf.equals("")){
            out.print("欢迎您注册为会员");
        }
    %>
  </body>
  <body>
    <h1>登陆失败!!!</h1>
  </body>

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。

  <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>
  <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>

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。

  <body>

     <form action="page2.jsp" method="post" name="login">
   账号:<input type="text" name="id" /><br>
   密码:<input type="password" name="password" /><br>
   <input type="button"  value="登录" style="margin-left: 100px" onclick="panduan()" />
   <script type="text/javascript">
   function panduan(){
   if(login.id.value==""){
  alert("账号不能为空");
  return;
   }
  if(login.password.value==""){
  alert("密码不能为空");
  return;
   }
   login.submit();
  }
  
  
 
   </script>
  
   </form>
</body>
  <body>
  
<% 
      request.setCharacterEncoding("utf-8");
    String id=request.getParameter("id");
    String password=request.getParameter("password");
    if(id.equals(password)){
    request.getRequestDispatcher("page3.jsp").forward(request, response);
    }else{
    out.print("登陆失败");
    }
%>



</body>
<body>
    <%
    request.setCharacterEncoding("utf-8");
        String name = request.getParameter("id");
    %>
    登录成功到页面2!!!
    <form action="page4.jsp" method="post">
        用户姓名<input type="text" name="uname" /><br>
         <input type="submit" value="提交" /> 
         <input type="hidden" name="src" value="<%=name%>" />
    </form>
</body>
  <body>
   <%
    request.setCharacterEncoding("utf-8");
        String src = request.getParameter("src");
        String name = request.getParameter("uname");
    %>
    账号:<%=src%><br>
姓名:<%=name%>
  </body>

 

posted on 2022-04-17 13:00  贾云鹏  阅读(9)  评论(0编辑  收藏  举报

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