# 4.6 调用RocketMQ
# 4.6.1 简介
client/rocketmq xn--github-9y4jp50dfvv.com/apache/rocketmq-client-go/v2 进行二次封装
# 4.6.2 配置规范
# 4.6.3 用法
访问rocketmq示例 (opens new window)
// run: go run main.go --config=config.toml
package main
import (
"context"
"fmt"
"strconv"
"github.com/apache/rocketmq-client-go/v2/primitive"
"github.com/douyu/jupiter"
"github.com/douyu/jupiter/pkg/client/rocketmq"
"github.com/douyu/jupiter/pkg/xlog"
)
// run: go run main.go -config=config.toml
type Engine struct {
jupiter.Application
}
func NewEngine() *Engine {
eng := &Engine{}
if err := eng.Startup(
eng.exampleRocketMQProducer,
eng.exampleRocketMQConsumer,
); err != nil {
xlog.Panic("startup", xlog.Any("err", err))
}
return eng
}
func main() {
app := NewEngine()
if err := app.Run(); err != nil {
panic(err)
}
}
func (eng *Engine) exampleRocketMQConsumer() (err error) {
consumerClient := rocketmq.StdPushConsumerConfig("configName").Build()
defer func() {
if consumerClient.Enable {
_ = consumerClient.Close()
}
}()
consumerClient.Subscribe(consumerClient.ConsumerConfig.Topic, func(ctx context.Context, ext *primitive.MessageExt) error {
fmt.Println("msg...", string(ext.Message.Body))
fmt.Println("msg topic...", string(ext.Message.Topic))
fmt.Println("msg topic tag...", string(ext.Message.GetTags()))
return nil
})
err = consumerClient.Start()
return
}
func (eng *Engine) exampleRocketMQProducer() (err error) {
producerClient := rocketmq.StdProducerConfig("configName").Build()
defer func() {
_ = producerClient.Close()
}()
err = producerClient.Start()
if err != nil {
return
}
for i := 0; i < 10; i++ {
msg := "a" + strconv.Itoa(i)
err = producerClient.Send([]byte(msg))
}
return
}
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执行 go run main.go --config=config.toml,可以看到如下图结果
