7
<%@ 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="font-family: 宋体; font-size: 36; color: blue"> 商品编号A1001，价格8765 <a href="MyJsp.jsp?id=A1001&price=8765">购买</a><br> 商品编号A1002，价格<%=price%> <a href="MyJsp.jsp?id=A1002&price=<%=price%>">购买</a> </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="#eeeeff"> <p style="font-family: 宋体; font-size: 36; color: blue"> <% String id = request.getParameter("id"); String price = request.getParameter("price"); %> 商品编号：<%=id %><br> 商品价格：<%=price %> </p> </body> </html>
2.
<%@ 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> 输入运算数，选择运算符号：<br> <form action="MyJsp.jsp"> <input type="text" name="num1" > <select name="fuhao"> <option value="+">加 <option value="-">减 <option value="*">乘 <option value="/">除 </select> <input type="text" name="num2" > <br><input type="submit" 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></title> </head> <body> <% String num1 = request.getParameter("num1"); String num2 = request.getParameter("num2"); String fuhao = request.getParameter("fuhao"); if (num1 == null || num2 == null || num1.length() == 0 || num2.length() == 0) { response.sendRedirect("index.jsp"); return; } try { double a = Double.parseDouble(num1); double b = Double.parseDouble(num2); double r = 0; if ("+".equals(fuhao)) { r = a + b; } else if ("-".equals(fuhao)) { r = a - b; } else if ("*".equals(fuhao)) { r = a * b; } else if ("/".equals(fuhao)) { r = a / b; } out.print(a + "" + fuhao + "" + b + "=" + r); } catch (Exception e) { out.print("请输入正确的数字"); } %> </body> </html>
3.
<%@ 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> <script> function validate() { if (form.uname.value == "") { alert("账号不能为空!"); return; } if (form.password.value == "") { alert("密码不能为空!"); return; } form.submit(); } </script> <form action="MyJsp.jsp" method="post" name="form"> 用户名:<input type="text" name="uname"><br> 密码: <input type="password" name="password"> <br> 是否注册为会员： <input type="checkbox" name="member" value="注册">注册 <input type="checkbox" name="member" value="不注册">不注册<br> <input type="button" value="登录" onClick="validate()"> </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></title> </head> <body> <% request.setCharacterEncoding("utf-8"); String uname = request.getParameter("uname") == null ? "" : request.getParameter("uname"); String password = request.getParameter("password") == null ? "": request.getParameter("password"); if (uname.equals(password)) { request.getRequestDispatcher("1.jsp").forward(request, response); } else { request.getRequestDispatcher("2.jsp").forward(request, response); } %> </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> <h1>登陆成功</h1> <h1>欢迎您注册为会员</h1> </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> <h1>登陆失败</h1> <% request.setCharacterEncoding("utf-8");%> </body> </html>
5.
<%@ 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> <form action="MyJsp.jsp" method="post"> 请输入数字：<input type="text" name="number" size=15><br> <input type="submit" name="submit" 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></title> </head> <body> <% String number = request.getParameter("number"); int a = Integer.parseInt(number); for (int i = 0; i < a; i++) { out.print("欢迎" + "<br>"); } %> </body> </html>
6.
<%@ 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> <script> function validate() { if (form.uname.value == "") { alert("账号不能为空!"); return; } if (form.password.value == "") { alert("密码不能为空!"); return; } form.submit(); } </script> <form action="3.jsp" method="post" name="form"> 用户名:<input type="text" name="uname"><br> 密码: <input type="password" name="password"> <br> <input type="button" 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> <head></head> <body> <% request.setCharacterEncoding("utf-8"); String uname = request.getParameter("uname") == null ? "" : request.getParameter("uname"); String password = request.getParameter("password") == null ? "": request.getParameter("password"); if (uname.equals(password)) { request.getRequestDispatcher("MyJsp.jsp").forward(request, response); } else { request.getRequestDispatcher("2.jsp").forward(request, response); } %> </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> <%String a=request.getParameter("uname"); %> <form action="1.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> </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>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> </head> <body> <h1>登陆失败</h1> </body> </html>
