标签:blog http io os ar java for sp 数据
包含单选框、多选框、session的应用,页面自己主动跳转,中文乱码的处理,入门级
对于中文乱码的处理,注意几点:注冊页面数据提交方式为post不能忘了写,页面编码方式为gbk,处理提交信息的doRegister.jsp要加
request.setCharacterEncoding("gbk");一定要加!
注冊页面
register.jsp
<%@ page language="java" import="java.util.*" pageEncoding="gbk"%> <html> <head> <title>注冊页面</title> </head> <body> <center> <h3>欢迎注冊该站点</h3> <form action="doRegister.jsp" method="post"> <table> <tr> <td>username</td> <td><input type="text" name="user"></td> </tr> <tr> <td>password</td> <td><input type="password" name="pwd">password不得少于6位</td> </tr> <tr> <td>性别</td> <td><input type="radio" name="sex" value="男">男 <input type="radio" name="sex" value="女">女</td> </tr> <tr> <td>擅长的语言</td> <td></td> <td><input type="checkbox" name="checkbox1" value="C">C</td> <td><input type="checkbox" name="checkbox1" value="Java">Java</td> <td><input type="checkbox" name="checkbox1" value="C#">C#</td> <td><input type="checkbox" name="checkbox1" value="Ruby">Ruby</td> <td><input type="checkbox" name="checkbox1" value="PHP">PHP</td> </tr> <tr> <td><input type="submit" value="注冊"></td> <td><input type="reset" value="取消"></td> </tr> </table> </form> </center> </body> </html>处理注冊信息页面
doRegister.jsp
<%@ page language="java" import="java.util.*" pageEncoding="gbk"%> <html> <head> <title>处理用户注冊信息</title> </head> <body> <h3>保存用户信息</h3> <hr> <% request.setCharacterEncoding("gbk"); String user=request.getParameter("user"); String pwd=request.getParameter("pwd"); if(user.equals("")||pwd.equals("")){ out.println("username或password不能为空!请又一次注冊"); response.setHeader("refresh", "3;url=register.jsp"); } else if(pwd.length()<6){ out.println("password不能少于6位!请又一次注冊"); response.setHeader("refresh", "3;url=register.jsp"); } else{ session.setAttribute("user",user); session.setAttribute("pwd",pwd); String xingbie=request.getParameter("sex"); session.setAttribute("sex", xingbie); String[] str=(String[])request.getParameterValues("checkbox1"); session.setAttribute("zhuanchang", str); response.sendRedirect("showRegisterInfo.jsp"); } %> </body> </html>注冊成功,显示信息页面
showRegisterInfo.jsp
<%@ page language="java" import="java.util.*" pageEncoding="gbk"%> <html> <head> <title>显示用户注冊信息</title> </head> <body> <h3>恭喜你,注冊成功</h3> <h3>你的注冊信息为:</h3> <% String username=(String)session.getAttribute("user"); out.println("用户名:"+" "+username+"<br>"); String password=(String)session.getAttribute("pwd"); out.println("密码:"+" "+password+"<br>"); String sex=(String)session.getAttribute("sex"); out.println("性别:"+" "+sex+"<br>"); String[] zhuanchang=(String[])session.getAttribute("zhuanchang"); out.print("擅长的语言:"); for(int i=0;i<zhuanchang.length;i++) out.print(" "+zhuanchang[i]); %> </body> </html>
标签:blog http io os ar java for sp 数据
原文地址:http://www.cnblogs.com/yxwkf/p/4068397.html