func Post(url string, body interface{}, params map[string]string, headers map[string]string) (*http.Response, error) { //add post body var bodyJson []byte var req *http.Request if body != nil { var err error bodyJson, err = json.Marshal(body) if err != nil { log.Println(err) return nil, errors.New("http post body to json failed") } } req, err := http.NewRequest(http.MethodPost, url, bytes.NewBuffer(bodyJson)) if err != nil { log.Println(err) return nil, errors.New("new request is fail: %v \n") } req.Header.Set("Content-type", "application/json") //add params q := req.URL.Query() if params != nil { for key, val := range params { q.Add(key, val) } req.URL.RawQuery = q.Encode() } //add headers if headers != nil { for key, val := range headers { req.Header.Add(key, val) } } //http client client := &http.Client{} log.Printf("Go %s URL : %s \n", http.MethodPost,req.URL.String()) return client.Do(req) } 复制代码