general post json

upload.go

 	fmt.Println(string(strJSON))
 	return strJSON, nil
 }
+
+func postJSON(jsonB []byte, targetURL string) (resp string, err error) {
+	req, err := http.NewRequest("POST", targetURL, bytes.NewBuffer(jsonB))
+	if err != nil {
+		return
+	}
+	client := &http.Client{}
+	r, err := client.Do(req)
+	if err != nil {
+		return
+	}
+	defer r.Body.Close()
+	b, _ := ioutil.ReadAll(r.Body)
+	resp = string(b)
+	return
+}