1、string转成int:
int, err := strconv.Atoi(string)
2、string转成int64:
int64, err := strconv.ParseInt(string, 10, 64)
3、int转成string:
string := strconv.Itoa(int)
4、int64转成string:
string := strconv.FormatInt(int64,10)
5、int转int64
int64_ := int64(int)
6、string 转float
float, err := strconv.ParseFloat(string, 64)
float, err := strconv.ParseFloat(string, 32)