参考网址

blog.csdn.net/qq_40977791…

demo

package main
 
import (
	"fmt"
	"strings"
	"log"
 
	apollolog "github.com/apolloconfig/agollo/v4/component/log"
	"github.com/apolloconfig/agollo/v4/env"
	"github.com/apolloconfig/agollo/v4/env/config"
	"github.com/apolloconfig/agollo/v4/storage"
)
 
type ChangeListener struct {
}
 
 
func main(){
	//读取环境中apollo配置
	appcfg = env.InitFileConfig()
	if appcfg == nil {
		return
	}
	//初始化apollo中日志
	agollo.SetLogger(&apollolog.DefaultLogger{})
 
	//根据apollo配置，得到apollo client
	client, _ = agollo.StartWithConfig(func() (*config.AppConfig, error) {
		return appcfg, nil
	})
 
	//设置监听对象
	c := &ChangeListener{}
 
	//添加监听
	client.AddChangeListener(c)
	log.Println("init  success")
 
	//初次读取配置
	FromApoloSet(client, appcfg)
    select{}
}
 
func FromApoloSetCurcfg(client agollo.Client, c *config.AppConfig) {
	namespaces := strings.Split(c.NamespaceName, ",")
	for _, namespace := range namespaces {
		cache := client.GetConfigCache(namespace)
 
		//日志设置
		level, _ := cache.Get("log.level")
		fmt.Println(level)
			
		path, err := cache.Get("log.path")
		fmt.Println(path)
 
		//设置kafka
		addrs, _ := cache.Get("kafka.addrs")
		fmt.Println(addrs)
 
		topic, _ := cache.Get("kafka.topic")
		fmt.Println(topic)
 
		num, _ := cache.Get("kafka.producernum")
		fmt.Println(num)	
	}
}
 
func (c *ChangeListener) OnChange(changeEvent *storage.ChangeEvent) {
 
}
 
func (c *ChangeListener) OnNewestChange(event *storage.FullChangeEvent) {
	//write your code here
	namespaces := strings.Split(appcfg.NamespaceName, ",")
	namespacemap := make(map[string]bool)
	for _, namespace := range namespaces {
		namespacemap[namespace] = true
	}
	//检查想监听的配置
	if _, ok := namespacemap[event.Namespace]; ok {
		newlogleve, ok := event.Changes["log.level"]
		if ok {
			newloglevel, _ := newlogleve.(string)
			fmt.Println(newloglevel)
		}
	}
}