var aCity = {
11 : "北京",
12 : "天津",
13 : "河北",
14 : "山西",
15 : "內蒙古",
21 : "遼寧",
22 : "吉林",
23 : "黑龍江",
31 : "上海",
32 : "江蘇",
33 : "浙江",
34 : "安徽",
35 : "福建",
36 : "江西",
37 : "山東",
41 : "河南",
42 : "湖北 ",
43 : "湖南",
44 : "廣東",
45 : "廣西",
46 : "海南",
50 : "重慶",
51 : "四川",
52 : "貴州",
53 : "雲南",
54 : "西藏",
61 : "陝西",
62 : "甘肅",
63 : "青海",
64 : "寧夏",
65 : "新疆",
71 : "臺灣",
81 : "香港",
82 : "澳門",
91 : "國外"
}
/**
* 校驗身份證號碼(15位/18位)
*/
function isIdCardNo(num) {
num = num.toUpperCase();
//身份證號碼爲15位或者18位,15位時全爲數字,18位前17位爲數字,最後一位是校驗位,可能爲數字或字符X。
if (!(/(^\d{15}$)|(^\d{17}([0-9]|X)$)/.test(num))) {
alert('身份證號長度不對,或者號碼不符合規定!15位號碼應全爲數字,18位號碼末位可以爲數字或X。');
return false;
}
//下面分別分析出生日期和校驗位
var len = num.length;
if (len == 15) {
re = new RegExp(/^(\d{2})(\d{4})(\d{2})(\d{2})(\d{2})(\d{3})$/);
var arrSplit = num.match(re);
if (aCity[parseInt(arrSplit[1])] == null) {
return "15位身份證的地區非法";
}
//檢查生日日期是否正確
var dtmBirth = new Date("19" + arrSplit[3] + "/" + arrSplit[4] + "/" + arrSplit[5]);
var bGoodDay;
bGoodDay = (dtmBirth.getYear() == Number(arrSplit[3])) && ((dtmBirth.getMonth() + 1) == Number(arrSplit[4])) && (dtmBirth.getDate() == Number(arrSplit[5]));
if (!bGoodDay) {
alert('15位身份證的生日非法');
return false;
}
}
if (len == 18) {
re = new RegExp(/^(\d{2})(\d{4})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/);
var arrSplit = num.match(re);
if (aCity[parseInt(arrSplit[1])] == null) {
return "18位身份證的地區非法";
}
//檢查生日日期是否正確
var dtmBirth = new Date(arrSplit[3] + "/" + arrSplit[4] + "/" + arrSplit[5]);
var bGoodDay;
bGoodDay = (dtmBirth.getFullYear() == Number(arrSplit[3])) && ((dtmBirth.getMonth() + 1) == Number(arrSplit[4])) && (dtmBirth.getDate() == Number(arrSplit[5]));
if (!bGoodDay) {
alert('18位身份證的生日非法');
return false;
} else {
//檢驗18位身份證的校驗碼是否正確。
//校驗位按照ISO 7064:1983.MOD 11-2的規定生成,X可以認爲是數字10。
var valnum;
var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
var nTemp = 0,
i;
for (i = 0; i < 17; i++) {
nTemp += num.substr(i, 1) * arrInt[i];
}
valnum = arrCh[nTemp % 11];
if (valnum != num.substr(17, 1)) {
alert('18位身份證的校驗碼不正確!末位應爲:' + valnum);
return false;
}
}
}
return true;
}
/**
* 18身份證號碼 獲取地區、出生年月、性別
*/
function cidInfo(sId) {
return aCity[parseInt(sId.substr(0, 2))] + "," + sBirthday + "," + (sId.substr(16, 1) % 2 ? "男" : "女")
}