/
main.go
65 lines (56 loc) · 1.37 KB
/
main.go
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package main
import (
"context"
"fmt"
"log"
"time"
"github.com/coreos/etcd/clientv3"
)
func main() {
// 客户端配置
config := clientv3.Config{
Endpoints: []string{"127.0.0.1:2379"},
DialTimeout: 5 * time.Second,
}
// 建立连接
if client, err := clientv3.New(config); err != nil {
log.Panic(err)
} else {
log.Println(client)
// 写入数据方式一
fmt.Println("\n==== Put数据方式1 ====")
if response, err := client.Put(context.TODO(), "/study/name1", "value 000001"); err != nil {
log.Panic(err)
} else {
log.Println(response.Header)
log.Println(response.Header.RaftTerm)
}
// 写入数据方式二
fmt.Println("\n==== Put数据方式2 ====")
kv := clientv3.NewKV(client)
if response, err := kv.Put(context.TODO(), "/study/name2", "value 000002", clientv3.WithPrevKV()); err != nil {
log.Panic(err)
} else {
log.Println(response.Header)
log.Println(response.Header.RaftTerm)
log.Println(response.PrevKv.Value)
log.Println("PrevKv.Value", string(response.PrevKv.Value))
}
fmt.Println("\n==== Put 操作3 ====")
// 批量插入一些数据
var i = 0
for {
i += 1
k := fmt.Sprintf("/demo/k%d", i)
v := fmt.Sprintf("value %d", i)
if response, err := kv.Put(context.TODO(), k, v); err != nil {
log.Panic(err)
} else {
log.Println(response.Header)
}
if i > 100 {
break
}
}
}
}