JSP第七次作业

1.教材P78-79 例4-9

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</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="ShangTest.jsp?id=A1001&price=8765">购买</a><br>
商品编号A1002,价格<%= price %>
<a href="ShangTest.jsp?id=A1002&price=<%= price %>">购买</a>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</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 %>
</p>
</body>
</html>

 

 

2.教材P97 实验2

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
<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="+">加
      <option value="-">减</option>
      <option value="*">乘</option>
      <option value="/">除</option>
    </select>
<input type=text name="numberTwo" size=6 />
<br><input type="submit" name="submit" value="提交">
</form>
</p>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
<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.print("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" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
    <form name="login" action="loginzhong.jsp" method="post">
        账号：<input name="account" type="text"><br> 
        密码：<input name="password" type="password"><br> 
        是否注册成为会员:<input type="checkbox" name="sign" value="shi" checked="checked"/>是
        <input type="checkbox" name="sign" value="fou" />否<br>
        验证码：<input name="userid" type="text" maxlength="20" /> 
        验证码：
        <%
        char[] c = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O',
                'P', 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', 'Z', 'X', 'C', 'V', 'B', 'N', 'M' };
        int n;
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < 4; i++) {
            n = (int) (Math.random() * 36);
    %>
        <%=c[n]%>
        <%
            sb.append(c[n]);
            }
            request.getSession().setAttribute("radon", sb.toString());
        %>
        <br/> <input type="submit" name="submit" value="登录">
    </form>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<%
request.setCharacterEncoding("utf-8");
String account=request.getParameter("account");
String password=request.getParameter("password");
String userid=request.getParameter("userid");
String sign=request.getParameter("sign");
String randon=(String) request.getSession().getAttribute("radon");
    if(account.equals(password)){
        if(userid.equals(randon)){
            if(sign.equals("shi")){
                request.getRequestDispatcher("loginHui.jsp").forward(request,response);
            }else{
                request.getRequestDispatcher("loginSuccess.jsp").forward(request,response);
            }
        }else{
            request.getRequestDispatcher("loginYan.jsp").forward(request,response);
        }
    }else{
        request.getRequestDispatcher("loginFail.jsp").forward(request,response);
    }
%>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
验证码不一致
</body>
</html>
<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
登录成功<br>
欢迎您，您是普通会员！
</body>
</html>
<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
登录成功<br>
欢迎您注册为会员
</body>
</html>
<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
登录失败
</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" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
  <body bgcolor="pink">
        <form action="ShuNTest.jsp" method=post name=form>
            <input type="text"value=""name="string"><br>
            <input type="submit"value="提交"name="submit">
            <input type="reset"value="重置">
        </form>
    </body>
</html>
<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body bgcolor="pick">
<%
    String string=request.getParameter("string");
    int x=Integer.parseInt(string);
    for(int i=0;i<=x;i++){
        out.print("欢迎！");
    }
 %>
<br><a href="ShuN.jsp">返回</a>
</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" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>

<body>
    <form name="loginForm" action="Ye04.jsp" method="post">
        账号：<input name="account" type="text"><br>
        密码：<input name="password" type ="password"><br>
        <input type="submit" name="submit" value="登录">
    </form>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
<%
request.setCharacterEncoding("utf-8");
String account=request.getParameter("account");
String password=request.getParameter("password");
    if(!account.equals(password)){
        out.print("用户名密码不相同,输入错误");
    }else{
        request.getRequestDispatcher("Ye02.jsp").forward(request,response);
    }
%>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
    <%
        request.setCharacterEncoding("UTF-8");
        String str=request.getParameter("account");
    %>
    <form action="Ye03.jsp" method="post">
        用户姓名：<input name="name" type="text"><br>
        <input type="submit" value="提交">
        <input name="account1" type="hidden" value="<%= str %>">
    </form>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
<%
    request.setCharacterEncoding("UTF-8");
    String str1=request.getParameter("account1");
    String str2=request.getParameter("name");
    out.println("用户账号:"+str1+"<br>"+"用户姓名:"+str2);
%>
</body>
</html>

 

 

 

 

 

posted @ 2022-04-16 20:27  计算机1901金皓楠  阅读(44)  评论(0)  编辑  收藏  举报