// 获取最近的1天的订单数据，昵称，时间。

public function getNearestOrder()

{

// 获取真实订单

$service_order = M('service_order');

$service_order_list = $service_order->where(['first_pay_time' => ['gt', strtotime(date('Y-m-d'))]])->order('id desc')->select();

$user = M('user');

$true_tmp = [];

foreach ($service_order_list as $k => &$v) {

$tmp = [];

$user_info = $user->where(['id' => $v['uid']])->find();

$tmp['nickname'] = Func::encryptName2($user_info['nickname']);

$tmp['pay_time'] = DateHelper::timeTran(date('Y-m-d H:i', $v['first_pay_time']));

$tmp['time'] = $v['first_pay_time'];

$true_tmp[] = $tmp;

}

// 获取Redis中的数据

$redis = Red::create();

$order_redis_key = C('APP_ID') . ':nearest_order_data:' . date('Y-m-d');

$order_redis_data = $redis->get($order_redis_key);

if (!$order_redis_data) {

// TODO 造假

$user = M('user');

$out_tmp = [];

$user_nickname_arr = $user->order('rand()')->limit(100)->getField('nickname', true);

for ($i = 0; $i < 10; $i++) {

$nickname = $this->getNickName($user_nickname_arr);

$fake_order = $this->getFakeOrder($nickname);

$out_tmp[] = $fake_order;

}

// 合并

foreach ($true_tmp as $k => $v) {

array_unshift($out_tmp, $v);

}

// 去重

$out_tmp = Func::arrayUnique($out_tmp);

// 排序

$order_column = array_column($out_tmp, 'time');

array_multisort($order_column, SORT_DESC, SORT_NUMERIC, $out_tmp);

// 存储redis

$redis->set($order_redis_key, json_encode($out_tmp), 86400);

} else {

// 从redis抽取

$order_redis_data = json_decode($order_redis_data, true);

$out_tmp = [];

// 重置数据

foreach ($order_redis_data as $ok => $ov) {

$tmp = [];

$tmp['nickname'] = $ov['nickname'];

$tmp['pay_time'] = DateHelper::timeTran(date('Y-m-d H:i', $ov['time']));

$tmp['time'] = $ov['time'];

$out_tmp[] = $tmp;

}

// 合并真实订单

foreach ($true_tmp as $k => $v) {

array_unshift($out_tmp, $v);

}

// 去重

$out_tmp = Func::arrayUnique($out_tmp);

// 排序

$order_column = array_column($out_tmp, 'time');

array_multisort($order_column, SORT_DESC, SORT_NUMERIC, $out_tmp);

// 超过10分钟没有下单，造假一个订单

if (time() - $out_tmp[0]['time'] > 600 && date('H') < 19) { // 再造一个假数据

$user = M('user');

$user_nickname_arr = $user->order('rand()')->limit(100)->getField('nickname', true);

$nickname = $this->getNickName($user_nickname_arr);

$fake_order = $this->getFakeOrder($nickname,60);

array_unshift($out_tmp, $fake_order);

}

// 存储redis

$redis->set($order_redis_key, json_encode($out_tmp), 86400);

}

$this->json->S($out_tmp);

}

protected function getFakeOrder($nickname,$duration = 3600)

{

$time = time() - mt_rand(0, $duration);

$tmp['nickname'] = $nickname;

$tmp['pay_time'] = DateHelper::timeTran(date('Y-m-d H:i', $time));

$tmp['time'] = $time;

return $tmp;

}

protected function getNickName($user_nickname_arr)

{

$head_pos = mt_rand(0, count($user_nickname_arr) - 1);

$tail_pos = mt_rand(0, count($user_nickname_arr) - 1);

$nickname = $user_nickname_arr[$head_pos] . $user_nickname_arr[$tail_pos];

$nickname = Func::encryptName2($nickname);

return $nickname;

}

模拟昵称，随机时间，数组合并，数组去重，数组排序。