第七周作业
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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></title> </head> <body> <% 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="circle.jsp?id=A1001&price=8765">购买</a><br> 商品编号A1002,价格<%=price %> <a href="circle.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> <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
<%@ 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="circle.jsp"> <p style="font-family: 宋体;font-size: 18; color:blue"> 输入运算数，选择运算符号： <input type="text" name="one" size=6/> <select name="op"> <option value="+">加</option> <option value="-">减</option> <option value="*">乘</option> <option value="/">除</option> </select> <input type="text" name="two" size=6/> <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> <p style="font-family: 宋体;font-size: 18; color:black"> <% String one=request.getParameter("one"); String two=request.getParameter("two"); String op=request.getParameter("op"); if(one==null||one.length()==0){ response.sendRedirect("index.jsp"); return; } else if(two==null||two.length()==0){ response.sendRedirect("index.jsp"); return; } double a=Double.parseDouble(one); double b=Double.parseDouble(two); double r=0; try{ if(op.equals("+")){ r=a+b; } else if(op.equals("-")){ r=a-b; }else if(op.equals("*")){ r=a*b; }else if(op.equals("/")){ r=a/b; } out.print(a+op+b+"="+r); } catch(Exception e){ out.print("输入数字字符"); } %> </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 type="text/javascript"> function validate(){ if(loginForm.uname.value==""){ alert("账号不能为空!"); return; } if(loginForm.upwd.value==""){ alert("密码不能为空!"); return; } loginForm.submit(); } </script> <form name="loginForm" action="circle.jsp" method="post"> 用户名:<input type="text" name="uname" ><br> 密码: <input type="password" name="upwd" > <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"); String upwd=request.getParameter("upwd"); if(uname.equals("admin")&&upwd.equals("123456")) request.getRequestDispatcher("a2.jsp").forward(request, response); else request.getRequestDispatcher("aaa.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> <h1>登陆成功！！</h1> </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> <html> <body> <h1>登陆失败！！</h1> <a href="login.jsp">去下一页面</a>
</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></title> </head> <body> <script type="text/javascript"> function validate(){ if(loginForm.uname.value==""){ alert("账号不能为空!"); return; } if(loginForm.upwd.value==""){ alert("密码不能为空!"); return; } loginForm.submit(); } </script> <form name="loginForm" action="circle.jsp" method="post"> 用户名:<input type="text" name="uname" ><br> 密码: <input type="password" name="upwd" > <br> 是否注册为会员: <input type="checkbox" name="vip" value="Y"/>注册 <input type="checkbox" name="vip" value="N"/>再考虑考虑<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"); String upwd=request.getParameter("upwd"); if(uname.equals("admin")&&upwd.equals("123456")) request.getRequestDispatcher("a2.jsp").forward(request, response); else request.getRequestDispatcher("aaa.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> <h1>登陆成功！！</h1> <% String []vip=request.getParameterValues("vip"); for(int i=0;i<vip.length;i++){ if(vip[i].equals("Y")){ out.print("欢迎您注册为会员"); } } %> </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> <html> <body> <h1>登陆失败！！</h1> <a href="index.jsp">去下一页面</a> </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="circle.jsp" name ="logindo"> <p style="font-family: 宋体;font-size: 18; color:blue"> 请输入数字 <input type="text" name="num" size=6/> <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 num=request.getParameter("num"); int n=Integer.parseInt(num); for(int i=0;i<n;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 type="text/javascript"> function login(){ if(logindo.admin.value==""){ alert("请输入账号"); return; } else if(logindo.pass.value==""){ alert("请输入密码"); return; } logindo.submit(); } </script> <form action="circle.jsp" name ="logindo"> <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"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title></title> </head> <body> <% String admin=request.getParameter("admin"); String pass=request.getParameter("pass"); if(admin.equals(pass)){ request.getRequestDispatcher("ladder.jsp").forward(request, response); } else{ response.sendRedirect("aaa.jsp"); } %> </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 admin=request.getParameter("admin"); String uname=request.getParameter("uname"); out.print("账号："+admin+"</br>"+"用户名称"+uname); %> </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> <html> <body> 登录失败！ </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title></title> </head> <body> 登录成功！ <% String admin=request.getParameter("admin"); %> <form action="a2.jsp"> 用户名：<input type="text" name="uname" /> <input type="submit" value="提交"/> <input name="admin" type="hidden" value="<%= admin %>"> </form> </body> </html>
