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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>
Check card no
</title>
<script type='text/javascript'>
/*Author:yufulongBlog:http://www.xiaoxiaozi.com*/
var vcity = {
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"
};
checktheform = function() {
var card = document.getElementById('card_no').value;
//是否为空
if (card === '') {
alert('请输入身份证号，身份证号不能为空');
document.getElementById('card_no').focus;
return false;
}
//校验长度，类型
if (isCardNo(card) === false) {
//直接改变文本框后面的提示信息，而不是使用alert()弹窗
document.getElementById('sfz').innerHTML = '您输入的身份证号码不正确,请重新输入';
document.getElementById('card_no').focus;
return false;
}
//检查省份
if (checkProvince(card) === false) {
alert('您输入的身份证号码不正确,请重新输入');
document.getElementById('card_no').focus;
return false;
}
//校验生日
if (checkBirthday(card) === false) {
alert('您输入的身份证号码生日不正确,请重新输入');
document.getElementById('card_no').focus();
return false;
}
//检验位的检测
if (checkParity(card) === false) {
alert('您的身份证校验位不正确,请重新输入');
document.getElementById('card_no').focus();
return false;
}
alert('OK');
return true;
};
//检查号码是否符合规范，包括长度，类型
isCardNo = function(card) {
//身份证号码为15位或者18位，15位时全为数字，18位前17位为数字，最后一位是校验位，可能为数字或字符X
var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/;
if (reg.test(card) === false) {
return false;
}
return true;
};
//取身份证前两位,校验省份
checkProvince = function(card) {
var province = card.substr(0, 2);
if (vcity[province] == undefined) {
return false;
}
return true;
};
//检查生日是否正确
checkBirthday = function(card) {
var len = card.length;
//身份证15位时，次序为省（3位）市（3位）年（2位）月（2位）日（2位）校验位（3位），皆为数字
if (len == '15') {
var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;
var arr_data = card.match(re_fifteen);
var year = arr_data[2];
var month = arr_data[3];
var day = arr_data[4];
var birthday = new Date('19' + year + '/' + month + '/' + day);
return verifyBirthday('19' + year, month, day, birthday);
}
//身份证18位时，次序为省（3位）市（3位）年（4位）月（2位）日（2位）校验位（4位），校验位末尾可能为X
if (len == '18') {
var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/;
var arr_data = card.match(re_eighteen);
var year = arr_data[2];
var month = arr_data[3];
var day = arr_data[4];
var birthday = new Date(year + '/' + month + '/' + day);
return verifyBirthday(year, month, day, birthday);
}
return false;
};
//校验日期
verifyBirthday = function(year, month, day, birthday) {
var now = new Date();
var now_year = now.getFullYear();
//年月日是否合理
if (birthday.getFullYear() == year && (birthday.getMonth() + 1) == month && birthday.getDate() == day) {
//判断年份的范围（3岁到100岁之间)
var time = now_year - year;
if (time >= 3 && time <= 100) {
return true;
}
return false;
}
return false;
};
//校验位的检测
checkParity = function(card) {
//15位转18位
card = changeFivteenToEighteen(card);
var len = card.length;
if (len == '18') {
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 cardTemp = 0,
i, valnum;
for (i = 0; i < 17; i++) {
cardTemp += card.substr(i, 1) * arrInt;
}
valnum = arrCh[cardTemp % 11];
if (valnum == card.substr(17, 1)) {
return true;
}
return false;
}
return false;
};
//15位转18位身份证号
changeFivteenToEighteen = function(card) {
if (card.length == '15') {
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 cardTemp = 0,
i;
card = card.substr(0, 6) + '19' + card.substr(6, card.length - 6);
for (i = 0; i < 17; i++) {
cardTemp += card.substr(i, 1) * arrInt;
}
card += arrCh[cardTemp % 11];
return card;
}
return card;
};
</script>
</head>
<body>
<form name="form1" method="post" action="">
<label>
身份证号<input name='card_no' type='text' id='card_no' onBlur='javascript:checktheform();'/>
<em id="sfz">请输入正确的身份证号码</em>
</label>
<br/>
<label>
<input type="submit" name="Submit" value="提交">
</label>
</form>
</body>
</html> |
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发表于 2017-4-12 09:50:20
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