<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>登录验证</title> <STYLE type="text/css"> td{font-size:12px} </STYLE> <SCRIPT type="text/javascript"> function checkLogin(){ var userName=document.myform.userid.value; var userPass=document.myform.passwd.value; var vegName=/^[a-zA-Z0-9]+$/; if(!vegName.test(userName)){ alert("用户名错误，请重新输入"); document.myform.userid.focus(); return false; } var regPwd=/^\w{6,}$/; if(!regPwd.test(userPass)){ alert("密码输入错误，请重新输入"); document.myform.passwd.select(); return false; } return true; } </SCRIPT> </head> <body> <FORM NAME="myform" METHOD="POST" action="c.jsp" onSubmit="return checkLogin()"> <TABLE align="center"> <TR> <TD> <IMG src="images/Snap1.jpg"><DIV style="position:absolute; left: 490px; top: 216px; width: 356px;"> <TABLE width="100%" height="100%" border=0 cellPadding=0 cellSpacing=0> <TBODY> <TR vAlign=top> <TD width="23%" height=27 align=right class=bld>用户名: </TD> <TD height="27" align=left><INPUT TYPE="text" SIZE="20" NAME="userid"><BR>用户名由字母和数字组成</TD> </TR> <TR vAlign=top> <TD class=bld align=right height=27>密码: </TD> <TD height="27" align=left><INPUT TYPE="password" SIZE="20" NAME="passwd"><BR>密码由字母、数字和下划线组成，至少6位</TD> </TR> <TR vAlign=top> <TD class=bld align=right height=40> </TD> <TD align=left valign="middle"><A href="#"><INPUT name="submit" type="image" src="images/login.gif" width="101" height="22" border="0" ></A> </TD> </TR> </TABLE></DIV> </TD> </TR> </TABLE> </FORM> </body> </html>
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <% String userid = request.getParameter("userid") ; String passwd = request.getParameter("passwd") ; if(userid.equals("lucky") && passwd.equals("123456")){ out.print("你好,"+userid+"!"); request.getRequestDispatcher("success.jsp").forward(request, response); }else{ response.sendRedirect("index.jsp"); } %> </body> </html>
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>登陆成功</title> </head> <body> <h1>你好, <% String userid=request.getParameter("userid"); out.print(userid); %> </h1> </body> </html>
