邀请码的设计代码,PHP代码库,德仔网

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【PHP】邀请码的设计
作者:Alex / 发布于2015/6/25/ 564

	<?php
	class InvitationCodeService
	{
	 const CODE_LENGTH = 4;
	 const WAIT_TIME = 10; //生成邀请码的间隔时间
	 const TIME_OUT = 3600; //半个小时
	 private $_obj = 1; //多个项目的情况下
	 private $_num = 100;
	 private $_status = array(0 => "未激活", 1 => "激活的", - 1 => "已过期");
	 public function crateCode ($uid)
	 {
	 $lastCode = InvitationCodeModel::instance()->getCodeByUid($uid);
	 if (time() - $lastCode['create_time'] < self::WAIT_TIME && ! empty(
	 $lastCode)) {
	 $msg = "生成间隔时间不能少于" . self::WAIT_TIME . "秒";
	 return array('status' => false, 'message' => $msg);
	 }
	 $code = $this->getRandCode();
	 $params = array('uid' => $uid, 'create_time' => time(),
	 'obj' => $this->_obj, 'code' => $code);
	 $rs = InvitationCodeModel::instance()->addCode($params);
	 if ($rs > 0) {
	 return array('status' => true, 'data' => $code, 'message' => "生成成功");
	 } else {
	 return array('status' => false, 'data' => $code,
	 'message' => "生成失败");
	 }
	 }
	 //激活码
	 public function activate ($sendee, $code)
	 {
	
	 $code = InvitationCodeModel::instance()->getCodeByCode($code);
	 if (empty($code)) {
	 return array('status' => false, 'message' => "授权码错误!");
	 }
	 if ($code['status'] < 0) {
	 $msg = $this->_status[$code['status']];
	 return array('status' => false, 'message' => $msg);
	 }
	 if ($code['status'] == 1 && $code['sendee'] != $sendee) {
	 return array('status' => false, 'message' => "此邀请码已被使用");
	 }
	 if ($code['status'] == 1 && $code['sendee'] == $sendee) {
	 $istimeout = $this->isTimeout($code);
	 if (! $istimeout['status']) {
	 return $istimeout;
	 }
	 return array('status' => true);
	 }
	 $v = array('sendee' => $sendee, 'status' => 1, 'active_time' => time());
	 $rs = InvitationCodeModel::instance()->saveCodeById($v, $code['id']);
	 if ($rs > 0) {
	 return array('status' => true, 'data' => $code, 'message' => "激活成功");
	 } else {
	 return array('status' => false, 'data' => $code,
	 'message' => "激活失败");
	 }
	 }
	 private function isTimeout ($code)
	 {
	 if (time() - $code['active_time'] > self::TIME_OUT) {
	 $v = array('status' => - 1);
	 InvitationCodeModel::instance()->saveCodeById($v, $code['id']);
	 return array('status' => false, 'message' => "授权码已失效，请重新获取授权!");
	 }
	 return array('status' => true);
	 }
	 //检查是否授权
	 public function authrize ($sendee)
	 {
	 $code = InvitationCodeModel::instance()->getCodeBySendee($sendee);
	 if (empty($code)) {
	 return array('status' => false, 'message' => "未被授权进入");
	 }
	 if ($code['status'] == - 1) {
	 return array('satatus' => false, 'message' => "授权码已失效，请重新获取授权!");
	 }
	 if (time() - $code['active_time'] > self::TIME_OUT) {
	 $v = array('status' => - 1);
	 InvitationCodeModel::instance()->saveCodeById($v, $code['id']);
	 return array('status' => false, 'message' => "授权码已失效，请重新获取授权!");
	 }
	 $data = self::TIME_OUT - (time() - $code['active_time']);
	 return array('status' => true, 'data' => $data);
	 }
	 //生成随机数
	 private function getRandCode ()
	 {
	 $str = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXXYZ';
	 $code = "";
	 for ($i = 0; $i < self::CODE_LENGTH; $i ++) {
	 $code .= $str{rand(0, 33)};
	 }
	 //检查是否重复
	 $isexsit = InvitationCodeModel::instance()->getCodeByCode($code);
	 if (! empty($isexsit)) {
	 return $this->getRandCode();
	 }
	 return $code;
	 }
	 public function getCodePage ($p, $uid)
	 {
	 $where = array('uid' => $uid);
	 $rs = InvitationCodeModel::instance()->getCodePage($p, $this->_num,
	 $where);
	 $member = new MemberService();
	 foreach ($rs as $k => $v) {
	 $user = $member->getMemberByUid($v['sendee']);
	 $rs[$k]['sendee'] = $user['real_name'];
	 $rs[$k]['status'] = $this->_status[$v['status']];
	 }
	 return $rs;
	 }
	}
	class InvitationCodeModel extends Db
	{
	 private $_code = 'd_invitation_code';
	 public function getCodePage ($start, $num, $where)
	 {
	 return $this->getPage($start, $num, $this->_code, null, $where,
	 'id DESC');
	 }
	 public function addCode ($params)
	 {
	 return $this->add($this->_code, $params);
	 }
	 public function saveCodeById ($v, $id)
	 {
	 return $this->update($this->_code, $v, array('id' => $id));
	 }
	 public function getCodeByCode ($code)
	 {
	 return $this->getOne($this->_code, array('code' => $code));
	 }
	 public function getCodeByUid ($uid)
	 {
	 $sql = "SELECT * FROM $this->_code WHERE uid=$uid AND status=0 ORDER BY id DESC LIMIT 1";
	 return $this->fetch($sql);
	 }
	 public function getCodeBySendee ($sendee)
	 {
	 $sql = "SELECT * FROM $this->_code WHERE sendee=$sendee AND status=1 ORDER BY id DESC LIMIT 1";
	 return $this->fetch($sql);
	 }
	 /**
	 *
	 * @return InvitationCodeModel
	 */
	 public static function instance ()
	 {
	 return parent::_instance(__CLASS__);
	 }
	}
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