The function code of login, register and retrieve password under thinkphp framework

This article mainly introduces the thinkphp framework to achieve login, registration, retrieve password function of the relevant information, interested in small partners can refer to

In this paper, we have shared the implementation method of using AJAX form to submit login, registration, and find password in thinkphp framework, as well as the background audit for registered users.

User table field ID, num, password, name, email, addtime, status

The specific code is as follows

<?phpnamespace home\controller;use Think\controller;class Logincontroller extends Controller {//Process login public functio    n signin () {if (is_get) {$this->display ();        if (is_post) {/* Call Login Interface Login */$User = M (' User ');       The I method receives the value of the page pass $num = I (' num ');      $password = I (' password ');      Find the value of num equals $num in the User table $datanum = $User->where (array (' num ' = $num))->find (); Determine the value of $datanum if ($datanum) {if (MD5 ($password) = = = $datanum [' password ']) {if ($datanum [' status ']          = = 0) {$this->error (' User is in an unaudited state, please contact the Administrator ');          }elseif ($datanum [' status '] = = 2) {$this->error (' User is disabled, please contact Administrator ');             }else{$this->autologin ($datanum);//Call private method to log on automatically.            $uid = $datanum [' id ']; if ($_session[' User_auth ' [' uid '] && $_session[' user_auth ' [' role '] = = ' user ') {$this->success (' Login as Work!            ', U (' Index/index ')); }else{$this->error(' storage error. ');           }}}else{$this->error (' password is not filled in correctly, please re-fill ');        Exit ();      }}else{$this->error (' User not present, please register ', U (' Signup '));       }}} Public function Autologin ($user) {/* Record login session */$auth = array (' uid ' = = $user [' id '],    ' num ' = $user [' num '], ' role ' and ' user ',//record user type);    Session (' User_auth ', $auth);   Session (' User_auth_sign ', Data_auth_sign ($auth));    }/* User registration */Public Function signup () {if (Is_user_login ()) {$this->redirect (' Index/index ');    } if (Is_get) {//Register page $this->display ();       } if (Is_post) {//Judgment user $data [' num '] = I (' num ');      $User = M (' User ');      $datanum = $User->where ($data)->find ();      if ($datanum) {$this->success (' You have already registered, please log in directly ', U (' signin '));         }else{$data [' password '] = MD5 (I (' password '));        $data [' name '] = I (' name ');      $data [' email '] = I (' email ');  $data [' addtime '] = time ();        $uid = $User->add ($data);         if ($uid) $this->success (' registered success ', U (' signin '));       else $this->error (' registration failed ');      }}} Public function logout () {if (Is_user_login ()) {$User = M (' user ');      Session (' User_auth ', null);      Session (' User_auth_sign ', null);      Session (' [Destroy] '); $this->success (' Log out success!    ', U (' signin '));    } else {$this->redirect (' signin ');    }}//Forgot password public function Wjpas () {if (is_get) {$this->display ();      } if (is_post) {$User = M (' User ');      $num = I (' num ');       $data [' password '] = MD5 (I (' password '));      $email = I (' email ');      $datanum = $User->where (array (' num ' = $num))->find ();  if ($datanum) {if ($email = = = $datanum [' email ']) {$User->where (' num ' = $num) '->save ($data);         Update records according to condition $this->success (' Password modified successfully ', U (' signin ')); }else{$this->error (' email is not filled inPlease re-fill ');        Exit ();      }}else{$this->error (' User not present, please register ', U (' Signup ')); }}}}?>

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