使用servlet实现用户注册功能
Posted 凌零聆
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<%@ 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> <form action="zhuce" method="post"> 帐号:<input type="text" name="username"> 密码:<input type="password" name="password"> 重复密码:<input type="password" name="repassword"> <br> <input type="submit" value="注册"> </form> </body> </html>
package com.hanqi.web; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class zhuce extends HttpServlet { private static final long serialVersionUID = 1L; public zhuce() { super(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String zh = request.getParameter("username"); String mm = request.getParameter("password"); String remm = request.getParameter("repassword"); response.setContentType("text/html;charset=GB2312"); if(zh!=null&&mm!=null&&remm!=null) { if(!zh.equals("")) { if(mm.equals(remm)) { response.getWriter().write("注册成功！"); } else { response.getWriter().write("两次密码输入不同，请检查后重新输入！"); response.setHeader("refresh", "3;URL=zhuce.jsp"); } } else { response.getWriter().write("用户名不能为空字符串"); response.setHeader("refresh", "3;URL=zhuce.jsp"); } } } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }
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