php實(shí)現(xiàn)簽到功能的方法實(shí)例分析

?php
$user_id=@$_REQUEST['user_id'];
//功能：計(jì)算兩個(gè)時(shí)間戳之間相差的日時(shí)分秒
//$begin_time 開始時(shí)間戳
//$end_time 結(jié)束時(shí)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(jì)算天數(shù)
   $timediff = $endtime-$starttime;
   $days = intval($timediff/86400);
   //計(jì)算小時(shí)數(shù)
   $remain = $timediff%86400;
   $hours = intval($remain/3600);
   //計(jì)算分鐘數(shù)
   $remain = $remain%3600;
   $mins = intval($remain/60);
   //計(jì)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(shí)間和這次簽到時(shí)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
?>