php實現(xiàn)簽到功能的方法實例分析

?php
$user_id=@$_REQUEST['user_id'];
//功能：計算兩個時間戳之間相差的日時分秒
//$begin_time 開始時間戳
//$end_time 結(jié)束時間戳
function timediff($begin_time,$end_time)
{
   if($begin_time  $end_time){
     $starttime = $begin_time;
     $endtime = $end_time;
   }else{
     $starttime = $end_time;
     $endtime = $begin_time;
   }
   //計算天數(shù)
   $timediff = $endtime-$starttime;
   $days = intval($timediff/86400);
   //計算小時數(shù)
   $remain = $timediff%86400;
   $hours = intval($remain/3600);
   //計算分鐘數(shù)
   $remain = $remain%3600;
   $mins = intval($remain/60);
   //計算秒數(shù)
   $secs = $remain%60;
   $res = array("day" => $days,"hour" => $hours,"min" => $mins,"sec" => $secs);
   return $res;
}
function upuserscore($current_total_day){
$user_id=@$_REQUEST['user_id'];
//讀取數(shù)據(jù)庫配置信息的ini文件
  $ary=parse_ini_file('db.ini');
  $db_login_name=base64_decode($ary['db_login_name']);
  $db_login_password=base64_decode($ary['db_login_password']);
  $db_host=base64_decode($ary['db_host']);
  $db_name=base64_decode($ary['db_name']);
//鏈接數(shù)據(jù)庫
 $scorelink=mysqli_connect($db_host,$db_login_name,$db_login_password);
mysqli_select_db($scorelink,$db_name); //選擇數(shù)據(jù)庫
//檢查積分表里是否有該用戶 有的話則更新數(shù)據(jù) 沒有的話則插入數(shù)據(jù)
$scoreq = "SELECT * FROM user_score WHERE user_id=$user_id"; //SQL插入語句
    mysqli_query($scorelink,"SET NAMES utf8");
    $rs = mysqli_query($scorelink,$scoreq); //獲取數(shù)據(jù)集
    if(!$rs){
        exit(json_encode(array('status'=>"success",'code'=>"1",'error'=>mysqli_error($scorelink))));
    }
    if(mysqli_num_rows($rs)){//該用戶有數(shù)據(jù) 則更新其積分信息
      $total_score="";
       while($row = mysqli_fetch_row($rs)) {
      $total_score=$row[4];
      }
      $scoreusdateq = "UPDATE user_score SET user_total_score ='98' WHERE user_id=$user_id;"; //更新
      mysqli_query($scorelink,"SET NAMES utf8");
      $ustaters = mysqli_query($scorelink,$scoreusdateq); //獲取數(shù)據(jù)集
      if($ustaters ==1){
          exit(json_encode(array('status'=>"success",'code'=>"100")));
        mysqli_close($scorelink);//關(guān)閉連接  
        exit();
      }else{
          exit(json_encode(array('status'=>"success",'code'=>"1")));
           mysqli_close($scorelink);//關(guān)閉連接
           exit();
      }
    }else{//沒有該用戶數(shù)據(jù) 則插入其積分信息
      $scoreinsertq = "insert into user_score (user_id,user_total_score)values($user_id,10)"; //SQL插入語句
      mysqli_query($scorelink,"SET NAMES utf8");
      $rs = mysqli_query($scorelink,$scoreinsertq); //獲取數(shù)據(jù)集
      if(!$rs){
          exit(json_encode(array('status'=>"success",'code'=>"1",'error'=>mysqli_error($scorelink))));
      }
      if(strpos($q,"SELECT") === false){
          exit(json_encode(array('status'=>"success",'code'=>"100")));
      }
      mysqli_close($scorelink);//關(guān)閉連接
    }
}
//讀取數(shù)據(jù)庫配置信息的ini文件
  $ary=parse_ini_file('db.ini');
  $db_login_name=base64_decode($ary['db_login_name']);
  $db_login_password=base64_decode($ary['db_login_password']);
  $db_host=base64_decode($ary['db_host']);
  $db_name=base64_decode($ary['db_name']);
//鏈接數(shù)據(jù)庫
 $link=mysqli_connect($db_host,$db_login_name,$db_login_password);
mysqli_select_db($link,$db_name); //選擇數(shù)據(jù)庫
//檢查簽到表里是否有該用戶 有的話則更新數(shù)據(jù) 沒有的話則插入數(shù)據(jù)
$q = "SELECT * FROM user_signin WHERE user_id=$user_id"; //SQL插入語句
    mysqli_query($link,"SET NAMES utf8");
    $rs = mysqli_query($link,$q); //獲取數(shù)據(jù)集
    if(!$rs){
        exit(json_encode(array('status'=>"success",'code'=>"1",'error'=>mysqli_error($link))));
    }
    if(mysqli_num_rows($rs)){//該用戶有數(shù)據(jù) 則更新其簽到信息
      $last_time="";
      $total_day="";
       while($row = mysqli_fetch_row($rs)) {
      $last_time=$row[4]."br/>";
      $total_day=$row[5];
    }
      //根據(jù)上次簽到時間和這次簽到時間作比較判斷有沒有漏簽和今日是否已簽到
      $current_total_day=intval($total_day)+1;
      $current_day=time();
      $ary = timediff($last_time,$current_day);
    if($ary[day]==0){//今天已簽到
       exit(json_encode(array('status'=>"success",'code'=>"5")));
        mysqli_close($link);//關(guān)閉連接  
        exit();
    }else if($ary[day]==1){//沒有漏簽
      $usdateq = "UPDATE user_signin SET last_sign_time='$current_day', total_day='$current_total_day' WHERE user_id=$user_id;"; //更新
      mysqli_query($link,"SET NAMES utf8");
      $ustaters = mysqli_query($link,$usdateq); //獲取數(shù)據(jù)集
      if($ustaters ==1){
      upuserscore($current_total_day);
          //exit(json_encode(array('status'=>"success",'code'=>"100")));
        mysqli_close($link);//關(guān)閉連接  
        exit();
      }else{
          exit(json_encode(array('status'=>"success",'code'=>"1")));
           mysqli_close($link);//關(guān)閉連接
         exit();
      }
    }else{//漏簽過
    $usdateq = "UPDATE user_signin SET last_sign_time='$current_day', total_day=1 WHERE user_id=$user_id;"; //更新
    mysqli_query($link,"SET NAMES utf8");
    $ustaters = mysqli_query($link,$usdateq); //獲取數(shù)據(jù)集
    if($ustaters ==1){
      upuserscore($current_total_day);
        //exit(json_encode(array('status'=>"success",'code'=>"100")));
      mysqli_close($link);//關(guān)閉連接  
      exit();
    }else{
        exit(json_encode(array('status'=>"success",'code'=>"1")));
       mysqli_close($link);//關(guān)閉連接
       exit();
    }
  }
  }else{//沒有該用戶記錄則插入
    $current_day=time();
    $insertq = "insert into user_signin (user_id,last_sign_time,total_day)values($user_id,'$current_day',1)"; //SQL插入語句
    mysqli_query($link,"SET NAMES utf8");
    $insertrs = mysqli_query($link,$insertq); //獲取數(shù)據(jù)集
    if(strpos($insertrs,"SELECT") === false){//出入數(shù)據(jù)成功
      upuserscore('1');
      //exit(json_encode(array('status'=>"success",'code'=>"100")));
      }
  }
  mysqli_close($link);//關(guān)閉連接
?>