PHP operation class based on session and cookie user login status, sessioncookie_PHP tutorial

php Based on session and cookie user login status operation class, sessioncookie

1. User login status operation class UserLogin

<?<span>php

</span><span>final</span> <span>class</span><span> UserLogin {

    </span><span>public</span> <span>function</span><span> __construct() {
        
    }

    </span><span>public</span> <span>static</span> <span>function</span><span> getUserInfo() {
        </span><span>if</span> (<span>isset</span>(<span>$_COOKIE</span>["user_id"])&&<span>$_COOKIE</span>["user_id"]&&(<span>trim</span>(<span>$_COOKIE</span>["user_id"])!=""<span>)) {
            </span><span>if</span> (<span>isset</span>(<span>$_SESSION</span>["USER_INFO"<span>]))
                </span><span>return</span> <span>$_SESSION</span>["USER_INFO"<span>];
            </span><span>$dao</span> = <span>new</span><span> UserDao();
            </span><span>$user</span> = <span>$dao</span>->find(<span>$_COOKIE</span>["user_id"<span>]);
            </span><span>if</span> (<span>$user</span><span>) {
                </span><span>$_SESSION</span>["USER_INFO"] = <span>$user</span><span>;
                </span><span>setcookie</span>("docloud_sid", <span>session_id</span>(), <span>time</span>() + 36000<span>);
                </span><span>setcookie</span>("user_id", <span>$_COOKIE</span>["user_id"], <span>time</span>() + 36000<span>);
                
                </span><span>if</span> (<span>array_key_exists</span>("selected_prj_id", <span>$_COOKIE</span><span>))
                    </span><span>setcookie</span>("selected_prj_id", <span>$_COOKIE</span>["selected_prj_id"], <span>time</span>() + 36000<span>);
                
                </span><span>if</span> (<span>array_key_exists</span>("selected_class_id", <span>$_COOKIE</span><span>))
                    </span><span>setcookie</span>("selected_class_id", <span>$_COOKIE</span>["selected_class_id"], <span>time</span>() + 36000<span>);
                
                </span><span>if</span> (<span>array_key_exists</span>("selected_image_id", <span>$_COOKIE</span><span>))
                    </span><span>setcookie</span>("selected_image_id", <span>$_COOKIE</span>["selected_image_id"], <span>time</span>() + 36000<span>);
                
                </span><span>if</span> (<span>array_key_exists</span>("test_image_ids", <span>$_COOKIE</span><span>))
                    </span><span>setcookie</span>("test_image_ids", <span>$_COOKIE</span>["test_image_ids"], <span>time</span>() + 36000<span>);
                
                </span><span>if</span> (<span>array_key_exists</span>("upload_image_ids", <span>$_COOKIE</span><span>))
                    </span><span>setcookie</span>("upload_image_ids", <span>$_COOKIE</span>["upload_image_ids"], <span>time</span>() + 36000<span>);
                </span><span>return</span> <span>$user</span><span>;
            }
        }
        self</span>::<span>clearCookie();
        </span><span>return</span> <span>null</span><span>;
    }

    </span><span>public</span> <span>static</span> <span>function</span> setUserInfo(<span>$userInfo</span><span>) {
        </span><span>$_SESSION</span>["USER_INFO"] = <span>$userInfo</span><span>;
        </span><span>setcookie</span>("docloud_sid", <span>session_id</span>(), <span>time</span>() + 36000<span>);
        </span><span>setcookie</span>("user_id", <span>$userInfo</span>->getId(), <span>time</span>() + 36000<span>);
    }

    </span><span>public</span> <span>static</span> <span>function</span><span> isLogin() {
        </span><span>if</span> (self::<span>getUserInfo()) {
            </span><span>return</span> <span>true</span><span>;
        }
        </span><span>return</span> <span>false</span><span>;
    }

    </span><span>public</span> <span>static</span> <span>function</span><span> delUserInfo() {
        self</span>::<span>clearCookie();
        </span><span>session_destroy</span><span>();
    }
    
    </span><span>private</span> <span>static</span> <span>function</span><span> clearCookie() {
        </span><span>setcookie</span>("docloud_sid", "", <span>time</span>() - 36000<span>);
        </span><span>setcookie</span>("user_id", "", <span>time</span>() - 36000<span>);
        </span><span>setcookie</span>("selected_prj_id", "", <span>time</span>() - 36000<span>);
        </span><span>setcookie</span>("selected_class_id", "", <span>time</span>() - 36000<span>);
        </span><span>setcookie</span>("selected_image_id", "", <span>time</span>() - 36000<span>);
        </span><span>setcookie</span>("test_image_ids", "", <span>time</span>() - 36000<span>);
        </span><span>setcookie</span>("upload_image_ids", "", <span>time</span>() - 36000<span>);
    }

}

</span>?>

2. Call when the user enters the username and password to make relevant judgments

<?<span>php
</span><span>require_once</span> 'Init.php'<span>;

</span><span>//</span><span> if logged in, logout</span>
<span>if</span> (UserLogin::isLogin() && <span>$_COOKIE</span>["user_id"]==1<span>) {
    UserLogin</span>::<span>delUserInfo();
}
</span><span>else</span> <span>if</span> (UserLogin::<span>isLogin()){
    Utils</span>::redirect('welcome'<span>);
}

</span><span>$username</span> = <span>null</span><span>;
</span><span>$password</span> = <span>null</span><span>;

</span><span>$msg</span> = ""<span>;

</span><span>if</span> (<span>isset</span>(<span>$_POST</span>['username']) && <span>isset</span>(<span>$_POST</span>['password'<span>])) {
    </span><span>$username</span> = <span>addslashes</span>(<span>trim</span>(<span>stripslashes</span>(<span>$_POST</span> ['username'<span>])));
    </span><span>$password</span> = <span>addslashes</span>(<span>trim</span>(<span>stripslashes</span>(<span>$_POST</span> ['password'<span>])));
    </span><span>//</span><span> validate</span>
    <span>$errors</span> = LoginValidator::validate(<span>$username</span>, <span>$password</span><span>);
    
    </span><span>if</span> (<span>empty</span>(<span>$errors</span><span>)) {
        </span><span>//</span><span> save</span>
        <span>$dao</span> = <span>new</span><span> UserDao();
        </span><span>$user</span> = <span>$dao</span>->findByName(<span>$username</span><span>);
        </span><span>$last_login_ip</span> = Utils::<span>getIpAddress();
        </span><span>$user</span>->setLastLoginIp(<span>$last_login_ip</span><span>);
        </span><span>$now</span> = <span>new</span><span> DateTime();
        </span><span>$user</span>->setLastLoginTime(<span>$now</span><span>);
        </span><span>$dao</span>->save(<span>$user</span><span>);
        UserLogin</span>::setUserInfo(<span>$user</span><span>);
        Flash</span>::addFlash('登录成功！'<span>);
        Utils</span>::redirect('welcome'<span>);
    }
    
    </span><span>foreach</span> (<span>$errors</span> <span>as</span> <span>$e</span><span>) {
        </span><span>$msg</span> .= <span>$e</span>->getMessage()."<br>"<span>;
    }
}

</span>?>

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