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>