```
package main
import (
"fmt"
"time"
"github.com/valyala/fasthttp"
)
func main() {
url := `http://localhost:81/page?key=123`
req := fasthttp.AcquireRequest()
resp := fasthttp.AcquireResponse()
cnt := 0
defer func() {
fasthttp.ReleaseResponse(resp)
fasthttp.ReleaseRequest(req)
}()
//req.Header.SetContentType("application/json")
req.Header.SetMethod("POST")
req.SetRequestURI(url)
requestBody := []byte(`{"request":"test"}`)
req.SetBody(requestBody)
for {
if cnt > 10 {
break
}
if err := fasthttp.Do(req, resp); err != nil {
fmt.Println("请求失败:", err.Error())
return
}
b := resp.Body()
fmt.Println("result:\r\n", string(b))
time.Sleep(3 * time.Second)
cnt += 1
}
}
```
比如添加个ua怎么写？
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