JSP第七周作业

1.教材P78-79 例4-9

<%@ 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 'diyi.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 =#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 = "example4_9_receive.jsp?id=A1001&price=8765">购买</a><br>
    商品编号 A1002,价格 <%=price%>
    <a href = "example4_9_receive.jsp?id=A1002&price=<%=price%>">购买</a>
    </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 'receive.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 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

<%@ 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>
    <form action="index1.jsp" method=post name=form>
    输入运算数,选择运算符:<br>
    <input type=text name="numberOne" size=6 />
    <select name="op">
     <option selected="selected" value="+"><option value="-"><option value="*"><option value="/"></select>
    <input type=text name="numberTwo" size=6/><br>
    <input type="submit" name="submit" value="提交"/>
    
    </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 'index1.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 numberOne=request.getParameter("numberOne");
   String numberTwo=request.getParameter("numberTwo");
   String op=request.getParameter("op");
   if(numberOne==null||numberOne.length()==0){
        response.sendRedirect("index.jsp");/* 获取方法 */
        return;
   }
   else if(numberTwo==null||numberTwo.length()==0){
        response.sendRedirect("index.jsp");
        return;
   }
   try{
     double a=Double.parseDouble(numberOne);
     double b=Double.parseDouble(numberTwo);
     double r=0;
     if(op.equals("+"))
     r=a+b;
     else if(op.equals("-"))
     r=a-b;
     else if(op.equals("*"))
     r=a*b;
     else if(op.equals("/"))
     r=a/b;
     out.print(a+" "+op+" "+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”。

<%@ 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>

        function lg() {
            if (form.user.value == "") {
                alert("账号不能为空!");
                return;
            }
            if (form.password.value == "") {
                alert("密码不能为空!");
                return;
            }
            if (form.validationCode.value == "") {
                alert("验证码不能为空,请输入验证码");
                form.validationCode.focus();
                return;
            }
            if (form.validationCode.value != form.validationCode1.value) {
                alert("请输入正确的验证码");
                form.validationCode.focus();
                return;
            }

            form.submit();
        }
    </script>

    <%
        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 action="index1.jsp" method="post" name="form">
        用户名:<input type="text" name="user" /> <br>
        密码:<input type="password" name="password" /><br>
         验证码:<input type="text" name="validationCode"
                    onKeyDown="if(event.keyCode==13){form.submit.focus();}" size="6">
                    <input type="button" name="validationCode1" size="1"
                    value="<%=intsum%>"><br>
                是否注册会员:<input type="radio" name="zm" value="是" /><input type="radio" name="zm" value="否" /><br>           
            <input type="submit" value="登录" onclick="yz()" />
<br>   
    </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 'index1.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 user = request.getParameter("user") == null ? "" : request.getParameter("user");
        String password = request.getParameter("password") == null ? "": request.getParameter("password");
        
        if (user.equals(password)) {
            request.getRequestDispatcher("index2.jsp").forward(request, response);
        } else {
            request.getRequestDispatcher("index3.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 'index2.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 hy=request.getParameter("zm");
        if(hy.equals("")){
            out.print("欢迎您注册为会员");
        }
    
        
        
        
         
    %>
  </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 'index3.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");%>
  <h1> 登录失败</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。

<%@ 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>
   <form action="index1.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"%>
<%
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 'index1.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 name=request.getParameter("name");
        int n=Integer.parseInt(name);
    for(int i=0;i<n;i++){
        out.print("欢迎"+"<br>");
  }
  
   %>
  </body>
</html>

 

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。

 
<%@ 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>
        function yz() {
            if (form.zh.value == "") {
                alert("用户名不能为空!");
                form.zh.focus();
                return;
            }
            if (form.password.value == "") {
                alert('密码不能为空!');
                form.password.focus();
                return;
            }
            if(form.zh.value==form.password.value){
            form.submit();
            }else{
            alert('登陆失败');
            form.password.focus();
            return;
            }
        }
    </script>

    <form action="index1.jsp" method="post" name="form">
        <table>
            <tr>
                <td>账号</td>
                <td><input type="text" name="zh" />
                </td>
            </tr>
            <tr>
                <td>密码</td>
                <td><input type="password" name="password" />
                </td>
            </tr>
            <tr>
                <td><input type="button" value="登录" onclick="yz()" />
                </td>
            </tr>
        </table>
    </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 'index1.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>
   <%
String zh=request.getParameter("zh");
 %>

    <form action="index2.jsp" method="post">
        <input type="text" name="name" /> 
        <input type="submit" value="提交" />
        <input type="hidden" name="zh" value="<%=zh %>"/>
    </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 'index2.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 zh=request.getParameter("zh");
  String name=request.getParameter("name");
  out.print("用户姓名:"+name+"<br>"+"用户账号:"+zh);
  %>
  </body>
</html>

 

posted @ 2022-04-17 15:46  镜影2613  阅读(11)  评论(0编辑  收藏  举报