int 类型转换成字符串

    1. str := strconv.Itoa(a)

    字符串转int整数

    1. i,err := strconv.Atoi(a)

    int64 类型转换成字符串

    1. str := strconv.FormatInt(a, 10)

    string 转 float64

    1. pri, _ := strconv.ParseFloat( prices, 64)

    float64 转 string

    1. quantity := strconv.FormatFloat(resarr[val.Name], 'f', -1, 64)