public void Publish(string mchid, string orderid, int ttl = 0)
{
PayOrderNotifyMsg msg = new PayOrderNotifyMsg
{
mchid = mchid,
orderid = orderid
};
new PayOrderNotify().PublishMessage(msg, ttl);
//var msg = new PayOrderNotifyModel { mchid = mchid, orderid = orderid };
//if (ttl <= 0)
//{
// DB.RabbiBus.PublishAsync(msg);
//}
//else
//{
// //通过死信发送延迟消息
// var channel = DB.RabbiBus.Advanced;
// var exchange = channel.ExchangeDeclare("OrderNotify.Delay.Exchange", ExchangeType.Direct);
// string key = string.Format("Pay.OrderNotify.Delay.Ttl_{0}", ttl);
// var queue = channel.QueueDeclare(key, deadLetterExchange: "Pay.OrderNotify", deadLetterRoutingKey: "#", perQueueMessageTtl: ttl * 1000);
// var binding = channel.Bind(exchange, queue, key);
// var message = new Message<Mq.Messages.PayOrderNotify>(msg);
// channel.Publish(exchange, key, false, message);
//}
}
/// <summary>
///
/// </summary>
/// <param name="msg"></param>
/// <param name="ttl">秒</param>
public void PublishMessage(PayOrderNotifyMsg msg, int ttl)
{
using (var connection = factory.CreateConnection())
{
using (var _channel = connection.CreateModel())
{
var exchangeA = string.Format("PayOrderNotify.exchange.Delay_ttl_{0}", ttl);
var routeA = string.Format("PayOrderNotify.route.Delay_ttl_{0}", ttl);
var queueA = string.Format("PayOrderNotify.queue.Delay_ttl_{0}", ttl);
var exchangeD = "PayOrderNotify.exchange";
var routeD = "PayOrderNotify.route";
var queueD = "PayOrderNotify.queue";
//_channel.BasicQos(0, 1, false);
_channel.ExchangeDeclare(exchangeD, type: "fanout", durable: true, autoDelete: false);
_channel.QueueDeclare(queueD, durable: true, exclusive: false, autoDelete: false);
_channel.QueueBind(queueD, exchangeD, routeD);
//死信交换 这样10秒后消息过期，可以看到queueD中有了消息
_channel.ExchangeDeclare(exchangeA, type: "fanout", durable: true, autoDelete: false);
_channel.QueueDeclare(queueA, durable: true, exclusive: false, autoDelete: false, arguments: new Dictionary <string, object> {
{ "x-dead-letter-exchange", exchangeD }, //设置当前队列的DLX
{ "x-dead-letter-routing-key", routeD }, //设置DLX的路由key，DLX会根据该值去找到死信消息存放的队列
{ "x-message-ttl", ttl * 1000 } //设置消息的存活时间，即过期时间
});
_channel.QueueBind(queueA, exchangeA, routeA);
_channel.ConfirmSelect();
var properties = _channel.CreateBasicProperties();
properties.Persistent = true;
//发布消息
var body = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(msg));
_channel.BasicPublish(exchange: exchangeA, routingKey: routeA, basicProperties: properties, body: body);
}
}
}
