<script> //身份证号合法性验证 //支持18位身份证号 //支持地址编码、出生日期、校验位验证 function IdentityCodeValid(code) { var city = { 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 tip = ""; var pass = true; if (!code || !/^\d{6}(18|19|20)?\d{2}(0[1-9]|1[12])(0[1-9]|[12]\d|3[01])\d{3}(\d|X)$/i.test(code)) { tip = "身份证号格式错误"; pass = false; } if (!city[code.substr(0, 2)]) { tip = "地址编码错误"; pass = false; } if (code.length == 18) { sBirthday = code.substr(6, 4) + "-" + Number(code.substr(10, 2)) + "-" + Number(code.substr(12, 2)); var d = new Date(sBirthday.replace(/-/g, "/")) if (sBirthday != (d.getFullYear() + "-" + (d.getMonth() + 1) + "-" + d.getDate())) { //alert("非法生日"); pass = false; } } //18位身份证需要验证最后一位校验位 if (code.length == 18) { code = code.split(‘‘); //∑(ai×Wi)(mod 11) //加权因子 var factor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2]; //校验位 var parity = [1, 0, ‘X‘, 9, 8, 7, 6, 5, 4, 3, 2]; var sum = 0; var ai = 0; var wi = 0; for (var i = 0; i < 17; i++) { ai = code[i]; wi = factor[i]; sum += ai * wi; } var last = parity[sum % 11]; if (parity[sum % 11] != code[17]) { tip = "校验位错误"; pass = false; } } return pass; } $(function () { document.write(IdentityCodeValid("410481199208156010"), "<br/>"); document.write(IdentityCodeValid("340524198002300019"), "<br/>") document.write(IdentityCodeValid("340524197711111111"), "<br/>") document.write(IdentityCodeValid("34052419800101001x"), "<br/>"); });</script>