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


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <% double price=98.78; %>
  商品编号 A1001,价格8765
  <a href="bbb.jsp?id=A1001&price=8765">购买</a><br>
  商品编号 A1002,价格 <%=price %>
  <a href="bbb.jsp?id=A1002&price=<%=price %>">购买</a><br>
  </body>
</html>

  

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


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <% 
  String id=request.getParameter("id"); 
  String price=request.getParameter("price"); %>
  商品编号:<%=id %><br>
  商品价格:<%=price %><br>
  </body>
</html>

  

 

二、

<%@ 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="ddd.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>

  

<%@ 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("ccc.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>

  

 

 

 三、

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


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <script type="text/javascript">
        function validate() {
            if (loginForm.account.value == "") {
                alert("账号不能为空!");
                return;
            } else if (loginForm.password.value == "") {
                alert("密码不能为空!");
                return;
            }
            loginForm.submit();
        }
    </script>
  <form action="hhh.jsp" >
  
  用  户  名: <input type="text" name="uname"><br>
  密  &nbsp&nbsp&nbsp&nbsp&nbsp     码:    <input type="password" name="upwd"><br>
  <input type="checkbox" name="check">注册会员
    <input type="checkbox" name="nocheck">跳过
 <input type="submit" value="提交">
</form>
  </body>
</html>

  

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


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>    
  </head> 
  <body>
  <%
  request.setCharacterEncoding("utf-8");
  String uname=request.getParameter("uname");
  String upwd=request.getParameter("upwd");
  String check=request.getParameter("check");
  String nocheck=request.getParameter("check");

  if(uname.equals(upwd)){
  out.println("登陆成功");
  if(check.equals("on"))out.print("欢迎您注册会员");
  else if(nocheck.equals("on"))out.print("欢迎使用");
     
  }
  else{
  out.println("登陆失败"); 
       }
   %>
 
 
  </body>
</html>

  

 

 

 

 四、

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
  <head> <!-- seven08.jsp -->
  </head>
  <body>
  <form action="seven09.jsp" method="post" name="form">
      输入任意整数N:<input type="text" name="name" >
      <input type="submit" value="提交">
  </form>
  </body>
  </html>

  

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
  <head> <!-- seven09.jsp -->
  </head>
  <body>
 <%
    request.setCharacterEncoding("UTF-8");
     String name=request.getParameter("name");
        int n=Integer.parseInt(name);
    for(int i=0;i<n;i++){
        out.print("欢迎"+"<br>");
   }
  
   %>
  </body>
  </html>

  

 

 

 

 

五、

<%@ 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 'index.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>
    <script type="text/javascript">
        function validate() {
            if (loginForm.account.value == "") {
                alert("账号不能为空!");
                return;
            }
            if (loginForm.upwd.value == "") {
                alert("密码不能为空!");
                return;
            }
            loginForm.submit();
        }
    </script>

    <form name="loginForm" action="index1.jsp" method="post">
        账号:<input type="text" name="account"><br> 密码: <input
            type="password" name="upwd"> <br> <input type="button"
            value="登录" onClick="validate()">

    </form>
</body>
</html>

  

<%@ 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 'success.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>
     <p>登录成功!</p>
    <%
        request.setCharacterEncoding("utf-8");
        String account = request.getParameter("account");
    %>
    <form action="index4.jsp" method="post">
        用户名:<input type="text" name="username"><br>
        <br> <input type="submit" name="submit" value="提交"> <input
            type="hidden" name="account" value="<%=account%>">
    </form>
  </body>
</html>

  

<%@ 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 'cheng.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 bgcolor=#EEEEFF> 
 <p>登录失败!</p>
  </body>
</html>

  

<%@ 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>
     <%
        request.setCharacterEncoding("utf-8");
        String uname = request.getParameter("uname");
        String upwd = request.getParameter("upwd");
        if (uname.equals(upwd))
            request.getRequestDispatcher("index1.jsp").forward(request,
                    response);
        else
            request.getRequestDispatcher("index2.jsp").forward(request,
                    response);
    %>
  </body>
</html>

  

<%@ 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 'page05.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>
        <%
             request.setCharacterEncoding("utf-8");
             String account = request.getParameter("account");
             String uname = request.getParameter("username");
             out.print("账号:" + account + "<br>" + "<br>"+"用户名:" + uname);
    %>
  </body>
</html>

  

 

 

 

 

 

 

posted on 2022-04-17 13:35  李昌璇  阅读(4)  评论(0编辑  收藏  举报