var login = $( 'form[name=login]' );login.submit( function () {if (validate.loginAccount && validate.loginPwd) {return true;}$( 'input[name=account]', login ).trigger('blur');$( 'input[name=pwd]', login ).trigger('blur');return false;} );$( 'input[name=account]', login ).blur( function () {var account = $( this ).val();var span = $( '#login-msg' );if (account == '') {span.html( '请填入帐号' );validate.loginAccount = false;return;}} );$( 'input[name=pwd]', login ).blur( function () {var account = $( 'input[name=account]', login ).val();var pwd = $( this ).val();var span = $( '#login-msg' );if (pwd == '') {span.html( '请填写密码' );validate.loginPwd = false;return;}if (account == '') {span.html( '请填入帐号' );validate.loginAccount = false;return;}var data = {account : account,password : pwd};$.post(CONTROL + 'checkLogin', data, function (status) {if (status) {span.html( '' );validate.loginAccount = true;validate.loginPwd = true;} else {span.html( '帐号或密码不正确' );validate.loginAccount = false;validate.loginPwd = false;}}, 'json');} );

//异步验证登录帐号与密码
Public function checkLogin () {if (!$this->isAjax()) halt('页面不存在');$account = $this->_post('account');$where = array('account' => $account);$pwd = M('user')->where($where)->getField('password');if (!$pwd || $pwd != $this->_post('password', 'md5')) {echo 0;} else {echo 1;}
}

//登录表单处理
Public function login () {if (!$this->isPost()) halt('页面不存在');$db = M('user');$where = array('account' => $this->_post('account'));$field = array('id', 'username', 'password', 'logintime', 'lock');$user = $db->where($where)->field($field)->find();if (!$user || $user['password'] != $this->_post('pwd', 'md5')) {$this->error('帐号或密码错误');}if ($user['lock']) {$this->error('帐号被锁定');}if (isset($_POST['auto'])) {$value = $user['id'] . '|' . get_client_ip() . '|' . $user['username'];$value = encrytion($value, 1);@setcookie('auto', $value, C('AUTO_LOGIN_LIFETIME'), '/');}//每天登录增加经验$today = strtotime(date('Y-m-d'));$where = array('id' => $user['id']);if ($user['logintime'] < $today) {$db->where($where)->setInc('exp', C('LV_LOGIN'));}$db->where($where)->save(array('logintime' => time()));session('uid', $user['id']);session('username', $user['username']);redirect($_SERVER['HTTP_REFERER']);
}