<%@ 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>首页</title> </head> <body> <h1>首页</h1> <hr> <a href="${pageContext.request.contextPath}/register.jsp">注册</a> </body> </html>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>注册</title> <script> var status = '${sessionScope.pwdFail}'; if (status=='yes'){ alert("两次密码输入不一样,请重新输入") } </script> </head> <body> <h1>注册</h1> <form action="${pageContext.request.contextPath}/Register" method="post"> <p>用户名: <input type="text" name="username" required ></p> <p>密码:<input type="password" name="password1" required></p> <p>确认密码:<input type="password" name="password2" required></p> <p>性别: <input type="radio" name="sex" value="boy">男 <input type="radio" name="sex" value="girl">女 </p> <p> <input type="submit" value="注册"> <input type="reset" value="返回"> </p> </form> </body> </html>
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); response.setCharacterEncoding("UTF-8"); PrintWriter out = response.getWriter(); String username = request.getParameter("username"); String password1 = request.getParameter("password1"); String password2 = request.getParameter("password2"); String sex = request.getParameter("sex"); if(password1.equals(password2)){ HttpSession session = request.getSession(); session.setAttribute("username",username); session.setAttribute("password1",password1); session.setAttribute("sex",sex); response.sendRedirect("success.jsp"); request.getRequestDispatcher("success.jsp").forward(request,response); }else { System.out.println("注册失败"); response.sendRedirect("register.jsp"); } out.flush(); out.close(); }
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>注册成功</title> <% HttpSession session1 = request.getSession(); if(session1.getAttribute("username")==null){ System.out.println("注册失败"); response.sendRedirect("index.jsp"); } %> </head> <body> <h1>注册成功!</h1> <p> 用户名:${sessionScope.username}</p> <p> 密码:${sessionScope.password1}</p> <p> 性别:${sessionScope.sex}</p> </body> </html>