rpush + blpop 或 lpush + brpop

simple.php
$stmt = $pdo->prepare('select id, cid, name from zc_goods limit 200000');$stmt->execute();while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {  $redis->rPush('goods:task', json_encode($row));} $redis->close();

queueBlpop.php

// 出队
while (true) {  
// 阻塞设置超时时间为3秒  
$task = $redis->blPop(array('goods:task'), 3); 
  if ($task) { 
    $redis->rPush('goods:success:task', $task[1]);
    $task = json_decode($task[1], true);
    echo $task['id'] . ':' . $task['cid'] . ':' . 'handle success';
    echo PHP_EOL; 
  } else {
    echo 'nothing' . PHP_EOL;    sleep(5);  
 }
}

php simple.phpphp queueBlpop.php

blpop key1 key2 key3 key4

priority.php

// 设置优先级队列
$high = 'goods:high:task';
$mid = 'goods:mid:task';
$low = 'goods:low:task';
$stmt = $pdo->prepare('select id, cid, name from zc_goods limit 200000');
$stmt->execute();
while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {  
// cid 小于100放在低级队列  
if ($row['cid'] < 100) {
    $redis->rPush($low, json_encode($row));  

// cid 100到600之间放在中级队列  
}elseif ($row['cid'] > 100 && $row['cid'] < 600) {
    $redis->rPush($mid, json_encode($row));
}  
// cid 大于600放在高级队列   else {    $redis->rPush($high, json_encode($row));  }
}$redis->close();

priorityBlop.php

// 优先级队列
$high = 'goods:high:task';
$mid = 'goods:mid:task';$low = 'goods:low:task';
// 出队
while(true){  // 优先级高的队列放在左侧  
  $task = $redis->blPop(array($high, $mid, $low), 3);
  if ($task) {
    $task = json_decode($task[1], true);
    echo $task['id'] . ':' . $task['cid'] . ':' . 'handle success';
    echo PHP_EOL;
  } else {
    echo 'nothing' . PHP_EOL;    sleep(5);
  }
}

php priority.phpphp priorityBlpop.php

delay.php
$stmt = $pdo->prepare('select id, cid, name from zc_goods limit 200000');$stmt->execute();while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {  $redis->zAdd('goods:delay:task', time() + rand(1, 300), json_encode($row));}

$rs = $redis->zRange('goods:delay:task', 0, 0, true);

  if (empty($rs)) {    
        echo 'no tasks , sleep 5 seconds' . PHP_EOL;sleep(5);continue;}
   $taskJson = key($rs);  
       $delay = $rs[$taskJson];  
       $task = json_decode($taskJson, true);  
   $now = time();// 到时间执行延时任务  
   if ($delay <= $now) {    

  if (!($identifier = acquireLock($task['id']))) {     
    continue;}    

$redis->zRem('goods:delay:task', $taskJson);    
$redis->rPush('goods:task', $taskJson);    
echo $task['id'] . ' run ' . PHP_EOL;    

releaseLock($task['id'], $identifier);  } 
  else {    

 $sleep = $delay - $now;    

  $sleep = $sleep > 2 ? 2 :$sleep;    
  echo 'wait ' . $sleep . ' seconds ' . PHP_EOL;    sleep($sleep);  
  }
}

queueBlpop.php
// 出队while (true) {  
// 阻塞设置超时时间为3秒  
 $task = $redis->blPop(array('goods:task'), 3);  
if ($task) {    
$redis->rPush('goods:success:task', $task[1]);    
 $task = json_decode($task[1], true);    
echo $task['id'] . ':' . $task['cid'] . ':' . 'handle success';    
echo PHP_EOL;  } else {    
echo 'nothing' . PHP_EOL;sleep(5);  
   }
}

php delay.phpphp delayHanlde.phpphp queueBlpop.php