<%@ 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 p = 98.78;
%>
<p>商品编号A1001，价格 8765</p>
<a href="receive.jsp?id=A1001&price=8765">购买</a>
<p>商品编号A1002，价格</p>
<a href="receive.jsp?id=A1002&price=<%=p%>">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>
<%
String id = request.getParameter("id");
String price = request.getParameter("price");
%>
<b>商品编号：<%=id%></b>
<br>
<b>商品价格：<%=price%></b>
</body>
</html>
<%@ 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="+">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>
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）
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body>
<form action="regist.jsp" method="post">
账号：<input type="text" name="zh" /><br>
密码: <input type="password" name="upwd" ><br>
<input type="submit" value="提交"/>
<input type="reset" value="重置"/>
</form>
</body>
</html>
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
<%
request.setCharacterEncoding("utf-8");
String zh=request.getParameter("zh");
String upwd=request.getParameter("upwd");
if(zh.equals(upwd)){
response.sendRedirect("trium.jsp");
}
else{
response.sendRedirect("lose.jsp");
}
%>
</body>
</html>
<html>
<head>
<title>My JSP 'trium.jsp' starting page</title>
</head>
<body>
登录成功！ <br>
</body>
</html>
<html>
<head>
<title>My JSP 'lose.jsp' starting page</title>
</head>
<body>
登录失败！ <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>
<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"%>
<!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>
