package requests import ( "reflect" "strconv" ) type ContentType string var ( JSON ContentType = "application/json" Form ContentType = "application/x-www-form-urlencoded" XML ContentType = "text/xml" ) func switchToString(in interface{}) (str string, err error) { switch in.(type) { case int: str = strconv.Itoa(in.(int)) return case int8: str = strconv.Itoa(int(in.(int8))) return case int16: str = strconv.Itoa(int(in.(int16))) return case int32: str = strconv.Itoa(int(in.(int32))) return case int64: str = strconv.Itoa(int(in.(int64))) return case uint: str = strconv.Itoa(int(in.(uint))) return case uint8: str = strconv.Itoa(int(in.(uint8))) return case uint16: str = strconv.Itoa(int(in.(uint16))) return case uint32: str = strconv.Itoa(int(in.(uint32))) return case uint64: str = strconv.Itoa(int(in.(uint64))) return case float32: str = strconv.FormatFloat(float64(in.(float32)), 'f', 6, 32) return case float64: str = strconv.FormatFloat(in.(float64), 'f', 6, 64) return case bool: if reflect.ValueOf(in).Bool() { str = "true" return } else { str = "false" return } case string: str = in.(string) return default: err = UnSupportTypeValue return } }