随机 VIN 码

复制import re

def validate_vin(vin: str) -> bool:
    """校验17位车架号格式与校验位"""
    if not re.fullmatch(r'[A-HJ-NPR-Z0-9]{17}', vin):
        return False  # 排除I、O、Q
    
    # 字符映射表
    map_char = {c: i for i, c in enumerate('0123456789')}
    map_char.update({'A':1,'B':2,'C':3,'D':4,'E':5,'F':6,'G':7,'H':8,
                     'J':1,'K':2,'L':3,'M':4,'N':5,'P':7,'R':9,
                     'S':2,'T':3,'U':4,'V':5,'W':6,'X':7,'Y':8,'Z':9})
    # 权重（位置从1开始）
    weights = [8,7,6,5,4,3,2,10,0,9,8,7,6,5,4,3,2]
    
    total = sum(map_char.get(c, 0) * w for c, w in zip(vin, weights))
    check_digit = total % 11
    if check_digit == 10:
        check_digit = 'X'
    else:
        check_digit = str(check_digit)
    
    return vin[8] == check_digit

# 示例
print(validate_vin('1HGCM82633A004352'))  # True
print(validate_vin('1HGCM82633A004353'))  # False

复制package main

import (
	"fmt"
	"regexp"
	"strings"
)

func validateVIN(vin string) bool {
	// 排除 I、O、Q
	matched, _ := regexp.MatchString(`^[A-HJ-NPR-Z0-9]{17}$`, vin)
	if !matched {
		return false
	}

	charMap := map[rune]int{
		'0':0,'1':1,'2':2,'3':3,'4':4,'5':5,'6':6,'7':7,'8':8,'9':9,
		'A':1,'B':2,'C':3,'D':4,'E':5,'F':6,'G':7,'H':8,
		'J':1,'K':2,'L':3,'M':4,'N':5,'P':7,'R':9,
		'S':2,'T':3,'U':4,'V':5,'W':6,'X':7,'Y':8,'Z':9,
	}
	weights := []int{8,7,6,5,4,3,2,10,0,9,8,7,6,5,4,3,2}

	total := 0
	for i, c := range strings.ToUpper(vin) {
		val, ok := charMap[c]
		if !ok {
			return false
		}
		total += val * weights[i]
	}

	check := total % 11
	checkChar := fmt.Sprintf("%d", check)
	if check == 10 {
		checkChar = "X"
	}

	return string(vin[8]) == checkChar
}

func main() {
	fmt.Println(validateVIN("1HGCM82633A004352")) // true
	fmt.Println(validateVIN("1HGCM82633A004353")) // false
}

复制function validateVIN(vin) {
  // 排除 I、O、Q
  if (!/^[A-HJ-NPR-Z0-9]{17}$/i.test(vin)) return false;

  const charMap = {
    '0':0,'1':1,'2':2,'3':3,'4':4,'5':5,'6':6,'7':7,'8':8,'9':9,
    'A':1,'B':2,'C':3,'D':4,'E':5,'F':6,'G':7,'H':8,
    'J':1,'K':2,'L':3,'M':4,'N':5,'P':7,'R':9,
    'S':2,'T':3,'U':4,'V':5,'W':6,'X':7,'Y':8,'Z':9
  };
  const weights = [8,7,6,5,4,3,2,10,0,9,8,7,6,5,4,3,2];

  const upper = vin.toUpperCase();
  let total = 0;
  for (let i = 0; i < 17; i++) {
    const val = charMap[upper[i]];
    if (val === undefined) return false;
    total += val * weights[i];
  }

  let check = total % 11;
  if (check === 10) check = 'X';
  else check = String(check);

  return upper[8] === check;
}

// 示例
console.log(validateVIN('1HGCM82633A004352')); // true
console.log(validateVIN('1HGCM82633A004353')); // false