<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>车架号</title>
</head>
<body>
<input type="text" placeholder="车架号"/>
<script>
function randomString(len, charSet) {
charSet = '0123456789ABCDEFGHJKLMPRSTUVWXYZ';
var randomString = '';
for (var i = 0; i < len; i++) {
var randomPoz = Math.floor(Math.random() * charSet.length);
randomString += charSet.substring(randomPoz,randomPoz+1);
}
return randomString;
}
var content_map = {
'A': 1, 'B': 2, 'C': 3,'D': 4, 'E': 5,
'F': 6, 'G': 7, 'H': 8, 'I': 0,'J': 1,'K': 2,'L': 3,
'M': 4, 'N': 5, 'O': 0, 'P': 7, 'Q': 8, 'R': 9, 'S': 2,'T': 3,
'U': 4, 'V': 5, 'W': 6, 'X': 7, 'Y': 8, 'Z': 9, "0": 0, "1": 1,
"2": 2, "3": 3, "4": 4,"5": 5, "6": 6, "7": 7, "8": 8,"9": 9
};
var location_map = [8, 7, 6, 5, 4, 3, 2, 10, 0, 9, 8, 7, 6, 5, 4, 3, 2];
var vin = randomString(17, '0123456789ABCDEFGHJKLMPRSTUVWXYZ');
console.log("原有字符串"+vin);
var num = 0;
for(var i=0;i<vin.length;i++){
num = num+content_map[vin]*location_map
}
var vin9 = num % 11;
if (vin9==="10"){
vin9 = "X"
}
vin = vin.split('');
vin[8] = vin9;
vin = vin.join('');
console.log(vin);
document.getElementsByTagName("input")[0].value=vin;
</script>
</body>
</html> 温馨提示如有转载或引用以上内容之必要，敬请将本文链接作为出处标注，谢谢合作！
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