golang float转string后去除末尾的0

1.20000

floatValue := 123.222
result := strconv.FormatFloat(floatValue, 'f', 4, 64)
// 去除result末尾的0
for strings.HasSuffix(result, "0") {
	result = strings.TrimSuffix(result, "0")
}
if strings.HasSuffix(result, ".") {
	result = strings.TrimSuffix(result, ".")
}