Access to the PHP login session

This article mainly introduces the PHP login session to obtain, has a certain reference value, now share to everyone, the need for friends can refer to

Log session when logging in

/** * Execute login */public function Dologin () {$condition [' name '] = $username = Trim ($_post[' username ']); $condition [' Password '] = $password = MD5 (Trim ($_post[' password '));//$imgCode = $_post[' Imgcode '];if (Empty ($username) | | empty ( $password) {$this->ajaxreturn (null,c ("err_msg_70"), "Success:false");} $user = D ("user")->relation (True)->where ($condition)->find (), if (Empty ($user)) {$this->ajaxreturn (null , "User name or password error", "Success:false");} if (Empty ($user [' apps ') && $user [' role ']! = usermodel::admin) {$this->ajaxreturn (null, ' The user does not belong to any product line, Do not allow login, please contact the administrator! ', ' Success:false ');} if (empty ($user)) {$this->ajaxreturn (null,c ("err_msg_70"), "Success:false");} $defaultAppId = $user [' defaultapp '] >= 0? $user [' Defaultapp ']: $user [' Apps '][0][' id '];foreach ($user [' apps '] as $app) {if ($app [' id '] = = $defaultAppId) {$appName = $app [' AppName '];break;}} $session = Array (' uid ' = = $user [' id '], ' username ' + $username, ' role ' = ' $user ' [' Role '], ' appId ' = ' $ ' Defaultappid, ' appName ' =$appName); setsession ($session); $this->ajaxreturn ($data, "Congratulations, login successful! "," Success:true ");}

When a specific page is used, gets the session in the action

 Public function Deploy () {$username = Session (' username ');        $conditions = Explode (",", $_post[' environment ');        $envarr = Array (); foreach ($conditions as $condition) {$envIds = D (' Env ')->field (' Name,ip ')->where ("Name L Ike ' ". $condition.                        "% '")->select ();            foreach ($envIds as $key = + $envId) {$envIds [$key] [' mem '] = $this->getcpumem ($envId [' IP ']);            } $envIdsSort = $this->my_sort ($envIds, ' mem ', SORT_ASC, sort_string);            $envIds =array_remove ($envIds, ' mem ');            $envarray [' env '] = $condition;            $envarray [' smallip '] = $envIdsSort [0][' IP '];        $envarr [] = $envarray;        } $_post[' Environment ' = Json_encode ($envarr);                $_post[' username ']= $username;        $resultnew = $this->request ("localhost:8080/execute/isbuildingnew.html", $_post, "POST"); Var_dump ($resuLenew); if ($resultnew = = "Building:true") {$this->ajaxreturn (1, ' previous build is in progress, please try again later!)        ', ' success:false ');            } else {$result = $this->request ("localhost:8080/execute/onlinedeploynew.html", $_post, "POST");            if ($result) {$this->ajaxreturn (1, $result, ' success:true ');            } else {$this->ajaxreturn (0, "Commit build Failed", ' success:false '); }        }    }

Then the backend will be able to get to this username, soeasy!