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(kù)里建了兩張表,一個(gè)是用戶的積分表,一個(gè)是簽到狀態(tài)表,分來(lái)用來(lái)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(gè)字段,last_sign_time,即上一次簽到時(shí)間,每次可以簽到的時(shí)候把這個(gè)時(shí)間與當(dāng)前時(shí)間進(jìn)行比較 如果相差為0天,則說(shuō)明今天已簽到(這個(gè)簽到是24小時(shí)內(nèi)只能簽到一次,即兩次簽到時(shí)間要相差24小時(shí)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(shuō)明漏簽了.
通過(guò)時(shí)間戳的判斷,及時(shí)更新?tīng)顟B(tài)表,并且當(dāng)可以簽到的時(shí)候則對(duì)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(jì)算兩個(gè)時(shí)間戳之間相差的日時(shí)分秒
//$begin_time 開(kāi)始時(shí)間戳
//$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(kù)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(kù)
$scorelink=mysqli_connect($db_host,$db_login_name,$db_login_password);
mysqli_select_db($scorelink,$db_name); //選擇數(shù)據(jù)庫(kù)
//檢查積分表里是否有該用戶 有的話則更新數(shù)據(jù) 沒(méi)有的話則插入數(shù)據(jù)
$scoreq = "SELECT * FROM user_score WHERE user_id=$user_id"; //SQL插入語(yǔ)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(méi)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(yǔ)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(kù)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(kù)
$link=mysqli_connect($db_host,$db_login_name,$db_login_password);
mysqli_select_db($link,$db_name); //選擇數(shù)據(jù)庫(kù)
//檢查簽到表里是否有該用戶 有的話則更新數(shù)據(jù) 沒(méi)有的話則插入數(shù)據(jù)
$q = "SELECT * FROM user_signin WHERE user_id=$user_id"; //SQL插入語(yǔ)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(méi)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(méi)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(guò)
$usdateq = "UPDATE user_signin SET last_sign_time='$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(méi)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,'$current_day',1)"; //SQL插入語(yǔ)句
mysqli_query($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
?>
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