CREATE TABLE `members_sign` (
 `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
 `uid` int(11) unsigned NOT NULL COMMENT '用戶id',
 `days` tinyint(2) unsigned NOT NULL DEFAULT '0' COMMENT '連續(xù)簽到的天數(shù)',
 `is_share` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '是否分享過',
 `is_sign` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '是否簽到過',
 `stime` int(11) unsigned NOT NULL DEFAULT '0' COMMENT '簽到的時間',
 `atime` int(11) unsigned NOT NULL DEFAULT '0' COMMENT '添加時間',
 PRIMARY KEY (`id`),
 KEY `index_uid` (`uid`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=162 DEFAULT CHARSET=utf8 COMMENT='簽到分享表';

<?php
namespace Member\Controller;
use Member\Controller\MController;
class IndexController extends MController {
  /**
  * 用戶中心
  * @param
  */
  public function index(){
    $pre = C('DB_PREFIX');
        // 日歷列表
    $monthSign = $this->getMonthSign();
    $dayList = $this->showDays($monthSign);
    // 今天簽到
    $data = $this->todayData();
    if($data['is_sign'] == 1){
      $this->assign('isSign',true);
    }
    $this->display();
  }
  /**
  * 執(zhí)行當天簽到
  * @return json 簽到成功返回 {status:1,info:'已簽到'}
  */
  public function sign(){
    $todayData = $this->todayData();
    if($todayData['is_sign'] == 1){
      $this->successMsg('已簽到');
    }else{
      $data = $this->getInsertData($this->uid);
      // 無今天數(shù)據(jù)
      if($todayData == NULL){
        $data['uid'] = $this->uid;
        $data['atime'] = time();
        $id = M('members_sign')->add($data);
      }else{
        $save = M('members_sign')->where("id = {$todayData['id']}")->save($data);
      }
      if($id or $save){
        $score = $this->getTodayScores($data['days']);
        // 為該用戶添加積分
        addScore($this->uid,$score);
        $this->successMsg('已簽到',array('score' => $score,'days'=>$data['days']));
      }else{
        $this->errorMsg('簽到失敗，請刷新后重試！');
      }
    }
  }
  /**
  * 返回每次簽到要插入的數(shù)據(jù)
  *
  * @param int $uid 用戶id
  * @return array(
  *  'days'   =>  '天數(shù)',
  *  'is_sign'  =>  '是否簽到,用1表示已經(jīng)簽到',
  *  'stime'   =>  '簽到時間',
  * );
  */
  protected function getInsertData($uid){
    // 昨天的連續(xù)簽到天數(shù)
    $start_time = strtotime(date('Y-m-d 0:0:0',time()-86400))-1;
    $end_time  = strtotime(date('Y-m-d 23:59:59',time()-86400))+1;
    $days = M('members_sign')->where("uid = $uid and atime > $start_time and atime < $end_time")->getField('days');
    if($days){
      $days++;
      if($days > 30){
        $days = 1;
      }
    }else{
      $days = 1;
    }
    return array(
      'days'    => $days,
      'is_sign'  => 1,
      'stime'   => time()
    );
  }
  /**
  * 用戶當天簽到的數(shù)據(jù)
  * @return array 簽到信息 is_sign,stime 等
  */
  protected function todayData(){
    $time = time();
    $start_stime  = strtotime(date('Y-m-d 0:0:0',$time))-1;
    $end_stime = strtotime(date('Y-m-d 23:59:59',$time))+1;
    return M('members_sign')->field('atime',true)->where("uid = {$this->uid} and atime > $start_stime and atime < $end_stime")->find();
  }
  /**
  * 積分規(guī)則，返回連續(xù)簽到的天數(shù)對應的積分
  *
  * @param int $days 當天應該得的分數(shù)
  * @return int 積分
  */
  protected function getTodayScores($days){
    if($days == 30){
      return 50;
    }else if($days > 19){
      return 8;
    }else if($days > 9){
      return 5;
    }else{
      return 3;
    }
  }
  /**
  * 顯示簽到列表
  *
  * @param array  $signDays 某月簽到的日期 array(1,2,3,4,5,12,13)
  * @param int $year    可選，年份
  * @param int $month   可選，月份
  * @return string 日期列表<li>1</li>....
  */
  protected function showDays($signDays,$year,$month){
    $time = time();
    $year = $year ? $year : date('Y',$time);
    $month = $month ? $month : date('m',$time);
    $daysTotal = date('t', mktime(0, 0, 0, $month, 1, $year));
    $now = date('Y-m-d',$time);
    $str = '';
    for ($j = 1; $j <= $daysTotal; $j++) {
      $i++;
      $someDay = date('Y-m-d',strtotime("$year-$month-$j"));
      // 小于今天的日期樣式
      if ($someDay <= $now){
        // 當天日期樣式 tdc = todayColor
        if($someDay == $now){
          // 當天簽到過的
          if(in_array($j,$signDays)){
            $str .= '<li class="current fw tdc">'.$j.'</li>';
          }else{
            $str .= '<li class="today fw tdc">'.$j.'</li>';
          }
        }else{
          // 簽到過的日期樣式 current bfc = beforeColor , fw = font-weight
          if(in_array($j,$signDays)){
            $str .= '<li class="current fw bfc">'.$j.'</li>';
          }else{
            $str .= '<li class="fw bfc">'.$j.'</li>';
          }
        }
      }else{
        $str .= '<li>'.$j.'</li>';
      }
    }
    return $str;
  }
  /**
  * 獲取當月簽到的天數(shù)，與 $this->showDays() 配合使用
  * @return 當月簽到日期 array(1,2,3,4,5,12,13)
  */
  protected function getMonthSign(){
    $time  = time();
    $year  = date('Y',$time);
    $month = date('m',$time);
    $day  = date("t",strtotime("$year-$month"));
    $start_stime  = strtotime("$year-$month-1 0:0:0")-1;
    $end_stime = strtotime("$year-$month-$day 23:59:59")+1;
    $list = M('members_sign')->where("uid = {$this->uid} and stime > $start_stime and stime < $end_stime")->order('stime asc')->getField('stime',true);
    foreach ($list as $key => $value){
      $list[$key] = date('j',$value);
    }
    return $list;
  }
}