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>
    
  </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 %></b><br>
     商品价格:<%=price %></p>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        <title></title>
  </head>
  <body bgcolor=#ffccff>
    <%
    double price=98.78;
     %>
     <p style="fount-family:宋体;font-size:36;color:blue">
     商品编号A001,价格8765
     <a href="example4-9receive.jsp?id=A1001&price=8765">购买</a><br>
     商品编号A002,价格<%=price %>
     <a href="example4-9receive.jsp?id=A1002&price=<%=price%>">购买</a></p>
  </body>
</html>

 

 

 

2.教材P97 实验2

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>

<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;
                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.println("请输入数字字符");
            }
        %>
    
</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 bgcolor=#ffcff>
    <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" name="submit" value="提交" />
    </form>
    </p>
</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"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>

<body>
    <script type="text/javascript">
        function validate() {
            if (loginForm.id.value == "") {
                alert("账号不能为空");
                return;
            } else if (loginForm.mi.value == "") {
                alert("密码不能为空");
                return;
            }
            loginForm.submit();
        }
    </script>
    <form name="loginForm" action="panduan.jsp" method="post">
        请输入相同的账号密码 <br> 账号: <input type="text" name="id" value="请输入账号">
        <br> 密码: <input type="password" name="mi" value="请输入密码">
        <br> <input type="button" name="admir" 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>
  
  <body>
    登录失败!
  </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>
  
  <body>
    登录成功!
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
    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>

</head>

<body>
    <%
        request.setCharacterEncoding("utf-8");
        String id = request.getParameter("id");
        String mi = request.getParameter("mi");
        if (id.equalsIgnoreCase(mi)) {
            request.getRequestDispatcher("ok.jsp").forward(request,
                    response);
        } else {
            request.getRequestDispatcher("no.jsp").forward(request,
                    response);
        }
    %>
</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"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>

<body>
    <script type="text/javascript">
        function validate() {
            if (loginForm.id.value == "") {
                alert("账号不能为空");
                return;
            } else if (loginForm.mi.value == "") {
                alert("密码不能为空");
                return;
            }
            loginForm.submit();
        }
    </script>
    <form name="loginForm" action="panduan.jsp" method="post">
        请输入相同的账号密码 <br> 账号: <input type="text" name="id" value="请输入账号">
        <br> 密码: <input type="password" name="mi" value="请输入密码">
        <br>是否注册会员<input type="checkbox" name="huiyuan" value="yes"><input type="checkbox" name="huiyuan" value="no"><br> <input type="button" name="admir" 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>
  
  <body>
    登录失败!
  </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>

<body>
    登录成功!
    <%
    request.setCharacterEncoding("utf-8");
    String[] huiyuan = request.getParameterValues("huiyuan");

    for (int i = 0; i < huiyuan.length; i++) {
        if (huiyuan[i].equals("yes")) {
            out.print("欢迎您注册为会员!");
        }

    }
%>

</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
    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>

</head>

<body>
    <%
        request.setCharacterEncoding("utf-8");
        String id = request.getParameter("id");
        String mi = request.getParameter("mi");
        if (id.equalsIgnoreCase(mi)) {
            request.getRequestDispatcher("ok.jsp").forward(request,
                    response);
        } else {
            request.getRequestDispatcher("no.jsp").forward(request,
                    response);
        }
    %>
</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>

</head>

<body>
    请输入一个数字 :
    <form action="ok.jsp" method=post>
        <input type="text" name="shu" value=""> <input type="submit"
            value="确定">
    </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>
  
  <body>
    <%
    request.setCharacterEncoding("utf-8");
    String shu=request.getParameter("shu");
    double j=Double.parseDouble(shu);
    for(int i=1;i<j;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。(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>

<body>
    <script type="text/javascript">
        function validate() {
            if (loginForm.id.value == "") {
                alert("账号不能为空");
                return;
            } else if (loginForm.mi.value == "") {
                alert("密码不能为空");
                return;
            }
            loginForm.submit();
        }
    </script>
    <form name="loginForm" action="panduan.jsp" method="post">
        请输入相同的账号密码 <br> 账号: <input type="text" name="id" value="请输入账号">
        <br> 密码: <input type="password" name="mi" value="请输入密码">
        <br> <input type="button" name="admir" 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>
  
  <body>
    登录失败!
  </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>

<body>
    <%
        request.setCharacterEncoding("utf-8");
        String id = request.getParameter("id");
    %>
    <form action="zuihou.jsp" method="post">
        请输入姓名: <input type="text" name="xingming" value=""> <input
            type="submit" value="确定"> <input type="hidden" name="id"
            value="<%=id%>" />
    </form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
    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>

</head>

<body>
    <%
        request.setCharacterEncoding("utf-8");
        String id = request.getParameter("id");
        String mi = request.getParameter("mi");
        if (id.equalsIgnoreCase(mi)) {
            request.getRequestDispatcher("ok.jsp").forward(request,
                    response);
        } else {
            request.getRequestDispatcher("no.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>


<body>
    <%
        request.setCharacterEncoding("utf-8");
        String id = request.getParameter("id");
        String name = request.getParameter("xingming");
        out.print("用户姓名:" + name + "<br>" + "用户账号:" + zh);
    %>
</body>
</html>

 

posted @ 2022-04-16 11:35  卞十三  阅读(14)  评论(0编辑  收藏  举报