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php實(shí)現(xiàn)簽到功能的方法實(shí)例分析
本文實(shí)例講述了php實(shí)現(xiàn)簽到功能的方法。分享給大家供大家參考，具體如下：
首先我在數(shù)據(jù)庫里建了兩張表,一個是用戶的積分表,一個是簽到狀態(tài)表,分來用來記錄用戶的積分?jǐn)?shù)和先到狀態(tài)
在用戶簽到狀態(tài)表中我們有一個字段,last_sign_time,即上一次簽到時間,每次可以簽到的時候把這個時間與當(dāng)前時間進(jìn)行比較 如果相差為0天,則說明今天已簽到(這個簽到是24小時內(nèi)只能簽到一次,即兩次簽到時間要相差24小時以上).如果等于一天則今日可以簽到,如果2天及其以上則說明漏簽了.
通過時間戳的判斷,及時更新狀態(tài)表,并且當(dāng)可以簽到的時候則對用戶積分表進(jìn)行操作,即更新用戶積分.
具體代碼如下:
<?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
?>