我有以下简单:http.Clientimport ( "net/http" "log")...func main() { ... link = "http://example.com" method = "GET" req, _ := http.NewRequest(method, link, nil) client := &http.Client{} myZapLogger.Info("Sending a %s request to %s\n", method, link) resp, err := client.Do(req) if err != nil { myZapLogger.Error(..., err) // I'm logging rather than fatal-ing or so } else { myZapLogger.Info("Received a %d on request X", resp.StatusCode) } ...}...我正在寻找一种方法,通过钩子(左右)为每个请求执行上述操作,以便每次都自动触发。我可以编写一个包含所有这些内容的函数,但是如果我将http客户端传递给其他软件包,我将无法以这种方式控制/记录此类请求(例如)。aws-go-sdk有没有办法通过上下文或将钩子附加到客户端来执行此操作?
1 回答

素胚勾勒不出你
TA贡献1827条经验 获得超9个赞
尤多尔的评论回答了这个问题。我只是把它放到代码中:
type MyRoundTripper struct {}
func (t MyRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
// Do work before the request is sent
resp, err := http.DefaultTransport.RoundTrip(req)
if err != nil {
return resp, err
}
// Do work after the response is received
return resp, err
}
要使用它,您只需将其传递到您的HTTP客户端:
rt := MyRoundTripper{}
client := http.Client{Transport: rt}
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