第七次作业
1.教材P78-79 例4-9
<html>
<head>
<base href="<%=basePath%>">
</head>
<body>
<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>
<html>
<head>
<base href="<%=basePath%>">
</head>
<body>
<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"%>
<!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("two.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>
<%@ 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="one.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>
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”。
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><title>My JSP 'login.jsp' starting page</title></head><body><% 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 name="loginForm" action="target.jsp" method="post"> 请输入账号：<input type="text" name="account"> <br> 请输入密码：<input type="password" name="password"> <br> 验证码：<input type="text" name="validationCode" onKeyDown="if(event.keyCode==13){loginForm.submit.focus();}" size="6"> <input type="button" name="validationCode1" size="1" value="<%=intsum%>" /><br> 是否注册会员：<input type="radio" name="sf" value="是" />是 <input type="radio" name="sf" value="否" />否<br> <input type="button" value="登录" onClick="validate()"> </form> <script type="text/javascript"> function validate(){ if(loginForm.account.value==""){ alert("账号不能为空!"); return; } if(loginForm.password.value==""){ alert("密码不能为空!"); return; } if (loginForm.validationCode.value == "") { alert("验证码不能为空，请输入验证码"); loginForm.validationCode.focus(); return; } if (loginForm.validationCode.value != loginForm.validationCode1.value) { alert("请输入正确的验证码"); loginForm.validationCode.focus(); return; } loginForm.submit(); } </script></body></html> |
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><title>My JSP 'target.jsp' starting page</title></head><body> <% request.setCharacterEncoding("utf-8"); String uname = request.getParameter("account"); String upwd = request.getParameter("password"); if (uname.equals("admin") && upwd.equals("admin")) request.getRequestDispatcher("succes.jsp").forward(request, response); else request.getRequestDispatcher("fail.jsp").forward(request, response); %></body></html> |
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<%@ 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 'succes.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 sf=request.getParameter("sf"); if(sf.equals("是")){ out.print("欢迎您注册为会员"); } %> </body></html> |
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<%@ 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> <h1>登陆失败！！！</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。
<body>
<form action="welcome.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>
<body>
<%
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>
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"%>
<%
//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
%>
<html>
<head>
<title></title>
</head>
<body>
<form action="work06link00.jsp">
<input type="text" name="id" value="admin"/>
<input type="password" name="password" value="admin"/>
<input type="submit" value="登录"/>
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
//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
%>
<html>
<head>
<title></title>
</head>
<body>
<%
String id=request.getParameter("id");
String password=request.getParameter("password");
if(id.equals(password)){
request.getRequestDispatcher("work06link01.jsp").forward(request, response);
}else{
out.print("登陆失败");
}
%>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
//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
%>
<html>
<head>
<title></title>
</head>
<%String src=request.getParameter("id"); %>
<body>
登陆成功<br>
<form action="work06link02.jsp">
用户姓名<input type="text" name="name"/><br>
<input type="submit" value="提交"/>
<input type="hidden" name="src" value="<%= src %>"/>
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
//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
%>
<html>
<head>
<title></title>
</head>
<%String src=request.getParameter("src");
String name=request.getParameter("name");
%>
<body>
账号：<%=src %><br>
密码：<%=name %>
</body>
</html>
