验证身分证是否合法的js函数

代码

function cidInfo(sId) {
var aCity = { 11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 21: "辽宁", 22: "吉林", 23: "黑龙江", 31: "上海", 32: "江苏", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南", 42: "湖北", 43: "湖南", 44: "广东", 45: "广西", 46: "海南", 50: "重庆", 51: "四川", 52: "贵州", 53: "云南", 54: "西藏", 61: "陕西", 62: "甘肃", 63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外" }
var iSum = 0;
if (!/^\d{17}(\d|x)$/i.test(sId)) return false;
sId = sId.replace(/x$/i, "a");
if (aCity[parseInt(sId.substr(0, 2))] == null) return false;
sBirthday = sId.substr(6, 4) + "-" + Number(sId.substr(10, 2)) + "-" + Number(sId.substr(12, 2));
var d = new Date(sBirthday.replace(/-/g, "/"))
if (sBirthday != (d.getFullYear() + "-" + (d.getMonth() + 1) + "-" + d.getDate())) return false;
for (var i = 17; i >= 0; i--) iSum += (Math.pow(2, i) % 11) * parseInt(sId.charAt(17 - i), 11)
if (iSum % 11 != 1){ return false;}
return true;
}

 

转载于:https://www.cnblogs.com/zaspx/archive/2010/09/08/1821506.html