Posted in Javascript onJanuary 16, 2017
本文实例讲述了JS实现的验证身份证及获取地区功能。分享给大家供大家参考，具体如下：
这里的代码可以用来验证身份证号，并且根据身份证号来判断是哪个省份及性别
代码示例：
<head >
<title></title>
<script src="Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
</head>
<body>
<form id="form1" >
<label>
身份证号：</label><input type="text" id="txtId" />
<input type="button" value="验证" onclick="CheckId()" />
</form>
</body>
</html>
<script type="text/javascript">
//定义地区数组
var CityArray = { 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" }
//验证身份证及返回地区、出生年月、性别
function CheckIdCard(sId) {
if (sId.length == 15) {
sId = sId.replace(/([\d]{6})(\d{9})/, "$119$2x");
}
var iSum = 0
var info = ""
if (!/^\d{17}(\d|x)$/i.test(sId)) return "非法的身份证号";
sId = sId.replace(/x$/i, "a");
if (CityArray[parseInt(sId.substr(0, 2))] == null) return "Error:非法地区";
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 "Error:非法生日";
for (var i = 17; i >= 0; i--) iSum += (Math.pow(2, i) % 11) * parseInt(sId.charAt(17 - i), 11)
if (iSum % 11 != 1) return "Error:非法证号";
return CityArray[parseInt(sId.substr(0, 2))] + "," + sBirthday + "," + (sId.substr(16, 1) % 2 ? "男" : "女")
}
//调用验证方法
function CheckId() {
var id = $("#txtId").val();
if (id != "") {
alert(CheckIdCard(id));
}
}
</script>
JS实现的验证身份证及获取地区功能示例
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