Golang如何实现任意进制转换
小编给大家分享一下Golang如何实现任意进制转换,相信大部分人都还不怎么了解,因此分享这篇文章给大家参考一下,希望大家阅读完这篇文章后大有收获,下面让我们一起去了解一下吧!
示例代码:
package main import ( "fmt" "math" "strconv" "strings" ) var tenToAny map[int]string = map[int]string{0: "0", 1: "1", 2: "2", 3: "3", 4: "4", 5: "5", 6: "6", 7: "7", 8: "8", 9: "9", 10: "a", 11: "b", 12: "c", 13: "d", 14: "e", 15: "f", 16: "g", 17: "h", 18: "i", 19: "j", 20: "k", 21: "l", 22: "m", 23: "n", 24: "o", 25: "p", 26: "q", 27: "r", 28: "s", 29: "t", 30: "u", 31: "v", 32: "w", 33: "x", 34: "y", 35: "z", 36: ":", 37: ";", 38: "<", 39: "=", 40: ">", 41: "?", 42: "@", 43: "[", 44: "]", 45: "^", 46: "_", 47: "{", 48: "|", 49: "}", 50: "A", 51: "B", 52: "C", 53: "D", 54: "E", 55: "F", 56: "G", 57: "H", 58: "I", 59: "J", 60: "K", 61: "L", 62: "M", 63: "N", 64: "O", 65: "P", 66: "Q", 67: "R", 68: "S", 69: "T", 70: "U", 71: "V", 72: "W", 73: "X", 74: "Y", 75: "Z"} func main() { fmt.Println(decimalToAny(9999, 76)) fmt.Println(anyToDecimal("1F[", 76)) } // 10进制转任意进制 func decimalToAny(num, n int) string { new_num_str := "" var remainder int var remainder_string string for num != 0 { remainder = num % n if 76 > remainder && remainder > 9 { remainder_string = tenToAny[remainder] } else { remainder_string = strconv.Itoa(remainder) } new_num_str = remainder_string + new_num_str num = num / n } return new_num_str } // map根据value找key func findkey(in string) int { result := -1 for k, v := range tenToAny { if in == v { result = k } } return result } // 任意进制转10进制 func anyToDecimal(num string, n int) int { var new_num float64 new_num = 0.0 nNum := len(strings.Split(num, "")) - 1 for _, value := range strings.Split(num, "") { tmp := float64(findkey(value)) if tmp != -1 { new_num = new_num + tmp*math.Pow(float64(n), float64(nNum)) nNum = nNum - 1 } else { break } } return int(new_num) }
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