Customer request end--Index. Php:
<? PHP date_default_timezone_set ('Asia/Shanghai'); // set the correct time zone ?> <! Doctype HTML public "-// W3C // dtd xhtml 1.0 transitional // en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" > < Html Xmlns = "Http://www.w3.org/1999/xhtml" > < Head > < Meta HTTP-equiv = "Content-Type" Content = "Text/html; charsets = UTF-8" /> < Title > Untitled document </ Title > < Script Type = "Text/JavaScript" > Function Check (form ){ // You can directly access the form Element Based on the name in the form! If (Form. User. Value = "" ) {Alert ( " Enter User Name " ); Form. User. Focus (); Return False ;} If (Form. pwd. Value = "" ) {Alert ( " Enter Password " ); Form. User. Focus (); Return False ;} Form. Submit ();} </ Script > </ Head > < Body > < Form Name = "Form1" Method = "Post" Action = "Default. php" > < Table Width = "521" Height = "394" Border = "0" Cellpadding = "0" Cellspacing = "0" > < Tr > < TD Valign = "TOP" Background = "Image/login.jpg" > < Table Width = "521" Border = "0" Cellspacing = "0" Cellpadding = "0" > < Tr > < TD Height = "24" Align = "Right" > User name: </ TD > < TD Height = "24" Align = "Left" > < Input Type = "Text" Name = "User" ID = "User" Size = "20" /> </ TD > </ Tr > < Tr > < TD Height = "24" Align = "Right" > Password: </ TD > < TD > < Input Type = "Password" Name = "PWD" ID = "PWD" Size = "20" /> </ TD > </ Tr > < Tr Align = "Center" > < TD Height = "24" Colspan = "2" > < Input Type = "Submit" Name = "Submit" Value = "Submit" Onclick = "Return check (form );" /> < Input Type = "Reset" Name = "Submit2" Value = "Refill" /> </ TD > </ Tr > < Tr > < TD Height = "76" Align = "Right" > < Span Class = "Style1" > Super User: tsoft< BR /> Password & Nbsp; Code 111 & Nbsp; </ Span > </ TD > < TD > < Span Class = "Style1" > Common User: ZTS < BR /> Password & Nbsp; Code: 000 </ Span > </ TD > </ Tr > </ Table > </ TD > </ Tr > </ Table > </ Form > </ Body > </ Html >
Server receiving and processing end--Default. Php :
<? PHP Session_start (); $ _ Session ['User'] = $ _ Post ['User' ]; $ _ Session ['Pwd'] =$ _ Post ['Pwd' ]; ?> <? PHP /* To prevent other users from logging on to the system illegally. Verification required */ If ( $ _ Session ['User'] = "") // If the user name is blank, a prompt is displayed and the logon page is displayed. { Echo "<SCRIPT type = 'text/JavaScript '> alert ('Please log on to the system in the correct way! '); History. Back (); </SCRIPT>" ;} ?> <! Doctype htmlPublic "-// W3C // dtd xhtml 1.0 transitional // en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <HTML xmlns = "http://www.w3.org/1999/xhtml"> Current User :& Nbsp; <! -- ---------------- Output the user level when logging on ------------------ --> <? PHP If ( $ _ Session ['User'] = "tsoft "&& $ _ Session ['Pwd'] = "111" ){ Echo "Administrator ";} Else { Echo "Normal user" ;} ?> & Nbsp ;& Nbsp; </TD> <TD width = "70"> <a href = "default. PHP "> blog homepage </a> </TD> <TD width =" 70 "> | & nbsp; <a href =" default. PHP "> my Article </A> </TD> <TD width = "70"> | & nbsp; <a href = "default. PHP "> my album </a> </TD> <TD width =" 70 ">|& nbsp; <a href =" default. PHP "> music online </a> </TD> <TD width =" 70 "> | & nbsp; <a href =" default. PHP "> Change Password </a> </TD> <? PHP If ( $ _ Session ['User'] = "tsoft "&& $ _ Session ['Pwd'] = "111 ") // If the current user is an administrator { ?> <! -- ------------------- If the current user is an administrator, the "user management" link ------------------ --> <TD width = "70" >|& nbsp; <a href = "default. PHP "> User management </a> </TD> <? PHP} ?> <TD width = "70" >|& nbsp; <a href = "safe. PHP "> log out of a user </a> </TD> </tr> </table> </body>
Log out of the user page -- safe. php:
<? PHP /* Logout user page */ Session_start (); // Initialize session Unset ( $ _ Session ['User']); // Delete user name session variable Unset ( $ _ Session ['Pwd']); // Delete password session Variables Session_destroy (); // Delete all session Variables Header ("Location: index. php "); // Use the header () function to send the original HTTP header to the client. To go to the homepage logon page ?>
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
