JSP第七周作业
1.教材P78-79 例4-9
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
</head>
<body bgcolor = #000000>
<%
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="id.jsp?id=A1001&price=8765">购买</a><br>
商品编号A1002，价格<%=price %>
<a href="id.jsp?id=A1002&price=<%=price %>">购买</a><br>
</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>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"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'index.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;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 value="*">乘
<option value="/">除
</select> <input type='text' name="numberTwo" size=6 /> <br>
<input type="submit" name="submit" value="提交" />
</form>
</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>My JSP 'index.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("2.jsp");
return;
}
try {
double x = Double.parseDouble(numberOne);
double y = Double.parseDouble(numberTwo);
double m = 0;
if (operator.equals("+"))
m = x + y;
else if (operator.equals("-"))
m = x - y;
else if (operator.equals("*"))
m = x * y;
else if (operator.equals("/"))
m = x / y;
out.print(x + "" + operator + "" + y + "=" + m);
} 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）
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body>
<script type="text/javascript">
function login(){
if(dologin.admin.value==""){
alert("请输入账号");
return;
}
else if(dologin.pass.value==""){
alert("请输入密码");
return;
}
dologin.submit();
}
</script>
<form action="curry.jsp" name ="dologin">
<p style="font-family: 宋体;font-size: 18; color:blue">
账号：
<input type="text" name="admin" size=6/>
密码：
<input type="password" name="pass" size=6/>
<br><input type="button" value="登录" onclick="login()"/>
</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>
</head>
<body>
<%
String admin=request.getParameter("admin");
String pass=request.getParameter("pass");
if(admin.equals(pass)){
request.getRequestDispatcher("ok.jsp").forward(request, response);
}
else{
response.sendRedirect("no.jsp");
}
%>
</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> </head> <body> 登录成功！！！！！！！ </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>
</head>
<body>
登录失败！！！！！！！
</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”。
<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>
<body>
<%
request.setCharacterEncoding("utf-8");
String uname = request.getParameter("account");
String upwd = request.getParameter("password");
if (uname.equals("admin") && upwd.equals("admin"))
request.getRequestDispatcher("success.jsp").forward(request,
response);
else
request.getRequestDispatcher("fail.jsp").forward(request,
response);
%>
</body>
<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>
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"%>
<html>
<head>
<title>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</title>
</head>
<body>
<form name="form" action="do7.5.jsp" method="post">
输入数字N：<input type="text" name="number"><br>
<input type="submit" value="提交" >
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
<head>
<title>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</title>
</head>
<body>
<%
String number=request.getParameter("number");
double n=Double.parseDouble(number);
for(int i=0;i<n;i++){
out.println("欢迎"+"<br>");
}
%>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
<head>
<title>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</title>
</head>
<body>
<%
String number=request.getParameter("number");
double n=Double.parseDouble(number);
for(int i=0;i<n;i++){
out.println("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"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>shouye.jsp</title>
</head>
<body>
<form action="panduan2.jsp" method="post" name="shouye">
请输入账号：<input name="uname" type="text"/><br/>
请输入密码：<input name="password" type="password"/><br/>
<input type="button" value="登录" onclick="denglu()">
<script type="text/javascript">
function denglu(){
if(shouye.uname.value==""){
alert("账号不能为空！");
return;
}
if(shouye.password.value==""){
alert("密码不能为空！");
return;
}
shouye.submit();
}
</script>
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>panduan2.jsp</title>
</head>
<body>
<%
request.setCharacterEncoding("utf-8");
String uname=request.getParameter("uname");
String password=request.getParameter("password");
if(uname.equals(password)){
request.getRequestDispatcher("zhuce.jsp").forward(request, response);
}else{
out.print("登陆失败");
}
%>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>zhuce.jsp</title>
</head>
<body>
<%String a=request.getParameter("uname"); %>
<form action="tijiao.jsp" method="post">
请输入姓名：<input type="text" name="name" /><br/>
<input type="hidden" name="b" value="<%=a %>" />
<input type="submit" name="ok" value="提交"/>
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>tijiao.jsp</title>
</head>
<body>
<%
request.setCharacterEncoding("utf-8");
String name=request.getParameter("name");
String uname=request.getParameter("b");
%>
你的账号为：<%=uname %><br/>
你的姓名为：<%=name %>
</body>
</html>
