4-16 form submission information and access.

login.jsp

<%@ page language="Java"import="java.util.*"pageencoding="Utf-8"%><%String Path=Request.getcontextpath (); String BasePath= Request.getscheme () +"://"+request.getservername () +":"+request.getserverport () +path+"/";%><! DOCTYPE HTML Public"-//w3c//dtd HTML 4.01 transitional//en">Basehref="<%=basePath%>"> <title>my JSP'login.jsp'Starting page</title> <meta http-equiv="pragma"Content="No-cache"> <meta http-equiv="Cache-control"Content="No-cache"> <meta http-equiv="Expires"Content="0"> <meta http-equiv="keywords"Content="Keyword1,keyword2,keyword3"> <meta http-equiv="Description"Content="This is my page"> <!--<link rel="stylesheet"Type="Text/css"href="Styles.css"> "Form1"Name="Form1"Method="Post"action="login_deal.jsp">User name:<br> <input name="username"Type="text"Id="username"/> <br>Password:<br> <input name="pwd"Type="Password"Id="pwd"/> <br> <input type="Submit"Name="Submit"Value="Submit"/> <input type="Reset"Name="Submit2"Value=" Reset"/> </form> </body><ml>

Login_deal:

<%@ page language= "Java"Import= "java.util.*" pageencoding= "Utf-8"%><%String Path=Request.getcontextpath (); String BasePath= Request.getscheme () + "://" +request.getservername () + ":" +request.getserverport () +path+ "/";%><! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" >String username=request.getparameter ("username"); String pwd=request.getparameter ("pwd"); if(Username.equals ("ABCD") &&pwd.equals ("1234"))) Response.sendredirect ("Login_ok.jsp"); ElseResponse.senderror (500, "The user name or password is incorrect"); %> </body><ml>

LOGIN_OK:

<%@ page language= "java" import= "java.util.*" pageencoding= "Utf-8"%><%String Path=Request.getcontextpath (); String BasePath= Request.getscheme () + "://" +request.getservername () + ":" +request.getserverport () +path+ "/";%><! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" >Login successful. <br> </body><ml>

4-16 form submission information and access.