jsp第七周作业

1.教材P78-79  例4-9

<%@ page contentType="text/html"%>
<%@ page pageEncoding="utf-8"%>
<html>
  <head>
    
    
    <title>My JSP 'index.jsp' starting page</title>
  </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="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>
<%@ page contentType="text/html"%>
<%@ page pageEncoding="utf-8"%>
<html>
  <head>
    
    
    <title>My JSP 'index.jsp' starting page</title>
  </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 %>
   </b>
   </p>
  </body>
</html>

 

 

 

2.教材P97 实验2

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ pagecontentType="text/html" %>
<%
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 'input.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;coloe: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>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ pagecontentType="text/html" %>
<%
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 'input.jsp' starting page</title>
    

  </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)

<%@ 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>
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
    <script type="text/javascript">
        function validate() {
            if (loginForm.uname.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="2.jsp" method="post">
        用户名:<input type="text" name="uname"><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>
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
    <%
        request.setCharacterEncoding("utf-8");
        String uname = request.getParameter("uname");
        String upwd = request.getParameter("upwd");
        if (uname.equals(upwd))
            request.getRequestDispatcher("3.jsp").forward(request,
                    response);
        else
            request.getRequestDispatcher("4.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>
    <title>My JSP '3.jsp' starting page</title>
  </head>
  <body bgcolor=#ffccff>
   <p>登录成功!</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>
    <title>My JSP '4.jsp' starting page</title>
  </head>
  <body bgcolor=#EEEEFF>
   <p>登录失败!</p>
  </body>
</html>

      

 

 

 

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>
<title>My JSP '5.jsp' starting page</title>
</head>

    <script type="text/javascript">
        function validate() {
            if (loginForm.uname.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="6.jsp" method="post">
        用户名:<input type="text" name="uname"><br> 密码: <input
            type="password" name="upwd"> <br> 是否注册为会员:<input
            type="checkbox" name="member" value="注册">注册 <input
            type="checkbox" name="member" value="不注册">不注册<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>
<title>My JSP '6.jsp' starting page</title>
</head>
<body>
    <%
        request.setCharacterEncoding("utf-8");
        String uname = request.getParameter("uname");
        String upwd = request.getParameter("upwd");
        if (uname.equals(upwd))
            request.getRequestDispatcher("7.jsp").forward(request,
                    response);
        else
            request.getRequestDispatcher("8.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>
<title>My JSP '7.jsp' starting page</title>
</head>

    <p>登录成功!</p>
    <%
        request.setCharacterEncoding("utf-8");
        String[] member = request.getParameterValues("member");
        for (int i = 0; i < member.length; i++) {
            if (member[i].equals("注册")) {
                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>
    <title>My JSP '8.jsp' starting page</title>
  </head>
  
   <p>登录失败!</p>
  </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>
<title>My JSP '9.jsp' starting page</title>
</head>

    <form action="10.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>
</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>
<title>My JSP '10.jsp' starting page</title>
</head>

    <%
        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>
</html>

 

     

 

 .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

<%@ 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>
<title>My JSP '11.jsp' starting page</title>
</head>

    <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="12.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>
    <title>My JSP '12.jsp' starting page</title>
  </head>
  <body>
    <%
        request.setCharacterEncoding("utf-8");
        String account = request.getParameter("account");
        String password = request.getParameter("upwd");
        if (account.equals(password))
            request.getRequestDispatcher("13.jsp").forward(request,
                    response);
        else
            request.getRequestDispatcher("14.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>
    <title>My JSP '13.jsp' starting page</title>
  </head>
  
    <p>登录成功!</p>
    <%
        request.setCharacterEncoding("utf-8");
        String account = request.getParameter("account");
    %>
    <form action="15.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>
    <title>My JSP '14.jsp' starting page</title>
  </head>
 
   <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>
<title>My JSP '15.jsp' starting page</title>
</head>

    <%
        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 @ 2022-04-16 23:08  曲蔓特  阅读(20)  评论(0编辑  收藏  举报