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怎么在php中利用cookie實(shí)現(xiàn)一個(gè)自動(dòng)登錄功能?很多新手對此不是很清楚,為了幫助大家解決這個(gè)難題,下面小編將為大家詳細(xì)講解,有這方面需求的人可以來學(xué)習(xí)下,希望你能有所收獲。
html前端頁面代碼如下:
<html> <head> <title>enter password</title> </head> <body> <form name="forml" method="post" action="cookiebasedpasswordlogin.php"> <table> <tr> <td colspan="2" > <div align="center"><b>please specify the password</b></div> </td> </tr> <tr>> <td> <div align="right">customer id</div> </td> <td> <input type="text" name="username"> </td> </tr> <tr> <td> <div align="right">password</div> </td> <td> <input type="password" name="password"> </td> </tr> <tr> <td colspan="2"> <center> <input type="submit" name="submit" value="login"> </center> </td> </tr> </table> </form> </body> </html>
后端PHP代碼如下:
<?php $now = getdate(); $storetime= $now["weekday"] . " " . $now["month"] ." " . $now["year"] ; $storetime.=" time : "; if ($now["hours"] < 10) { $storetime.= "0" . $now["hours"]; } else { $storetime.= $now["hours"]; } $storetime.= ":"; if ($now["minutes"]<10) { $storetime.= "0" . $now["minutes"]; } else { $storetime.= $now["minutes"]; } $storetime.= ": "; if ($now["seconds"] <10) { $storetime.= "0" . $now["seconds"]; } else { $storetime.= $now["seconds"]; } if (isset($data)) { $counter=++$data[l]; setcookie("data[0]",$storetime,time() + (60*60*24)); setcookie("data[l]", $counter,time() + (60*60*24)); setcookie("data[2]",$username,time() + (60*60*24)); echo "<b><center>hi " . $data[2] . " ! !</center></b><br>n"; echo "<b><center>last login time :" .$data[0] . "</center></b><br>n"; echo "<b><center>current date :" .$storetime. "</center></b><br>n"; echo "<b><center>page view count :" . $data[l]. "</center></b><br>n"; echo "<b><center>you have successfully logged in!</center></b>"; echo ("<b><contor>you can access this area without entering a password for the next 24 hours!</center></b>"); } else { if (isset($username) && isset($password)) { if ($password=="superpass") { $counter=0; setcookie("data[0]",$storetime,time() + (60*60*24)); setcookie("data[l]",$counter,time() + (60*60*24)); setcookie("data[2]",$username,time() + (60*60*24)); $url="location: cookieimp.php"; header($url); }else{ echo "<hl><center>invalid password!!!</center></hl>"; } } } ?>
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