積分兌換接口demo

exchange.php

/*session_start();

if(!isset($_SESSION['zaszh_user_id'])){

echo json_encode(array('status'=>'error','msg'=>'連接超時，請重新打開頁面。'));

exit;

}

$user_id = $_SESSION['zaszh_user_id'];*/

$user_id = 1; // 測試用

$exchange_points = intval($_GET['exchange_points']);

require('connect_database.php');

// 扣除答題積分

$mysqli->query("update zaszh_user set answer_points=answer_points-{$exchange_points} where id='{$user_id}' and answer_points>={$exchange_points}");

if($mysqli->affected_rows){

// 有積分

switch($exchange_points){

// 5元話費(fèi)

case 200:

$mysqli->query("update zaszh_telephone_charge_surplus set charge_surplus=charge_surplus-5 where date=substring(now(),1,10) and charge_surplus>=5");

if($mysqli->affected_rows){

// 有剩余

$mysqli->query("insert into zaszh_award(user_id,prize,create_date) values('{$user_id}','5元話費(fèi)',unix_timestamp(now()))");

if($mysqli->affected_rows){

echo json_encode(array('status'=>'success','msg'=>'5元話費(fèi)'));

}else{

// 獲獎失敗

}

}else{

// 無剩余

// 恢復(fù)答題積分

$mysqli->query("update zaszh_user set answer_points=answer_points+{$exchange_points} where id='{$user_id}'");

}

break;

// 10元話費(fèi)

case 400:

$mysqli->query("update zaszh_telephone_charge_surplus set charge_surplus=charge_surplus-10 where date=substring(now(),1,10) and charge_surplus>=10");

if($mysqli->affected_rows){

// 有剩余

$mysqli->query("insert into zaszh_award(user_id,prize,create_date) values('{$user_id}','10元話費(fèi)',unix_timestamp(now()))");

if($mysqli->affected_rows){

echo json_encode(array('status'=>'success','msg'=>'10元話費(fèi)'));

}else{

// 獲獎失敗

}

}else{

// 無剩余

// 恢復(fù)答題積分

$mysqli->query("update zaszh_user set answer_points=answer_points+{$exchange_points} where id='{$user_id}'");

}

break;

}

// 記錄積分消耗

$mysqli->query("insert into zaszh_answer_points_consume(user_id,points_consume,consume_for,create_date) values('{$user_id}','{$exchange_points}','exchange',unix_timestamp(now()))");

}else{

// 無積分

echo json_encode(array('status'=>'error','msg'=>'您的積分不足。'));

}

$mysqli->close();

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