66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
package main
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import (
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"context"
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"encoding/json"
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"fmt"
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"github.com/apache/rocketmq-client-go/v2"
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"github.com/apache/rocketmq-client-go/v2/primitive"
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"github.com/apache/rocketmq-client-go/v2/producer"
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"log"
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"time"
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)
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type OrderMessage struct {
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OrderID string `json:"order_id"`
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GoodsID int64 `json:"goods_id"`
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UserID int64 `json:"user_id"`
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Quantity int `json:"quantity"`
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}
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func main() {
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// 1. 初始化普通消息生产者
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normalProducer, err := rocketmq.NewProducer(
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producer.WithNameServer([]string{"127.0.0.1:9876"}), // RocketMQ namesrv 地址
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producer.WithGroupName("order_producer_group"), // 生产者组名
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)
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if err != nil {
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log.Fatalf("初始化普通生产者失败: %v", err)
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}
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// 启动生产者
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if err := normalProducer.Start(); err != nil {
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log.Fatalf("启动普通生产者失败: %v", err)
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}
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defer normalProducer.Shutdown()
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// 2. 发送普通消息示例
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sendNormalMessage(normalProducer)
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}
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// 发送普通消息
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func sendNormalMessage(p rocketmq.Producer) {
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// 构造消息内容
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msgData := OrderMessage{
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OrderID: fmt.Sprintf("ORD%d", time.Now().UnixNano()),
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GoodsID: 1001,
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UserID: 10001,
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Quantity: 1,
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}
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msgBody, _ := json.Marshal(msgData)
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// 创建消息（指定主题和内容）
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msg := primitive.NewMessage("killgoods", msgBody) // 主题需提前创建或开启自动创建
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// 发送消息（同步发送，等待结果）
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result, err := p.SendSync(context.Background(), msg)
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if err != nil {
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log.Printf("普通消息发送失败: %v", err)
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return
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}
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log.Printf("普通消息发送成功，消息ID: %s, 队列: %d, 偏移量: %d",
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result.MsgID, result.MessageQueue.QueueId, result.QueueOffset)
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}
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